2014-11-19 04:07:46 +01:00
<!DOCTYPE html> < html > < head > < meta charset = "utf-8" > < style > b o d y {
width: 45em;
border: 1px solid #ddd;
outline: 1300px solid #fff;
margin: 16px auto;
}
body .markdown-body
{
padding: 30px;
}
@font-face {
font-family: fontawesome-mini;
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}
@font-face {
font-family: octicons-anchor;
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.markdown-body {
font-family: sans-serif;
-ms-text-size-adjust: 100%;
-webkit-text-size-adjust: 100%;
color: #333333;
overflow: hidden;
font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;
font-size: 16px;
line-height: 1.6;
word-wrap: break-word;
}
.markdown-body a {
background: transparent;
}
.markdown-body a:active,
.markdown-body a:hover {
outline: 0;
}
.markdown-body b,
.markdown-body strong {
font-weight: bold;
}
.markdown-body mark {
background: #ff0;
color: #000;
font-style: italic;
font-weight: bold;
}
.markdown-body sub,
.markdown-body sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
.markdown-body sup {
top: -0.5em;
}
.markdown-body sub {
bottom: -0.25em;
}
.markdown-body h1 {
font-size: 2em;
margin: 0.67em 0;
}
.markdown-body img {
border: 0;
}
.markdown-body hr {
-moz-box-sizing: content-box;
box-sizing: content-box;
height: 0;
}
.markdown-body pre {
overflow: auto;
}
.markdown-body code,
.markdown-body kbd,
.markdown-body pre,
.markdown-body samp {
font-family: monospace, monospace;
font-size: 1em;
}
.markdown-body input {
color: inherit;
font: inherit;
margin: 0;
}
.markdown-body html input[disabled] {
cursor: default;
}
.markdown-body input {
line-height: normal;
}
.markdown-body input[type="checkbox"] {
box-sizing: border-box;
padding: 0;
}
.markdown-body table {
border-collapse: collapse;
border-spacing: 0;
}
.markdown-body td,
.markdown-body th {
padding: 0;
}
.markdown-body .codehilitetable {
border: 0;
border-spacing: 0;
}
.markdown-body .codehilitetable tr {
border: 0;
}
.markdown-body .codehilitetable pre,
.markdown-body .codehilitetable div.codehilite {
margin: 0;
}
.markdown-body .linenos,
.markdown-body .code,
.markdown-body .codehilitetable td {
border: 0;
padding: 0;
}
.markdown-body td:not(.linenos) .linenodiv {
padding: 0 !important;
}
.markdown-body .code {
width: 100%;
}
.markdown-body .linenos div pre,
.markdown-body .linenodiv pre,
.markdown-body .linenodiv {
border: 0;
-webkit-border-radius: 0;
-moz-border-radius: 0;
border-radius: 0;
-webkit-border-top-left-radius: 3px;
-webkit-border-bottom-left-radius: 3px;
-moz-border-radius-topleft: 3px;
-moz-border-radius-bottomleft: 3px;
border-top-left-radius: 3px;
border-bottom-left-radius: 3px;
}
.markdown-body .code div pre,
.markdown-body .code div {
border: 0;
-webkit-border-radius: 0;
-moz-border-radius: 0;
border-radius: 0;
-webkit-border-top-right-radius: 3px;
-webkit-border-bottom-right-radius: 3px;
-moz-border-radius-topright: 3px;
-moz-border-radius-bottomright: 3px;
border-top-right-radius: 3px;
border-bottom-right-radius: 3px;
}
.markdown-body * {
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.markdown-body input {
font: 13px Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
line-height: 1.4;
}
.markdown-body a {
color: #4183c4;
text-decoration: none;
}
.markdown-body a:hover,
.markdown-body a:focus,
.markdown-body a:active {
text-decoration: underline;
}
.markdown-body hr {
height: 0;
margin: 15px 0;
overflow: hidden;
background: transparent;
border: 0;
border-bottom: 1px solid #ddd;
}
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.markdown-body hr:after {
display: table;
content: " ";
}
.markdown-body hr:after {
clear: both;
}
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
margin-top: 15px;
margin-bottom: 15px;
line-height: 1.1;
}
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font-size: 30px;
}
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font-size: 21px;
}
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font-size: 16px;
}
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font-size: 14px;
}
.markdown-body h5 {
font-size: 12px;
}
.markdown-body h6 {
font-size: 11px;
}
.markdown-body blockquote {
margin: 0;
}
.markdown-body ul,
.markdown-body ol {
padding: 0;
margin-top: 0;
margin-bottom: 0;
}
.markdown-body ol ol,
.markdown-body ul ol {
list-style-type: lower-roman;
}
.markdown-body ul ul ol,
.markdown-body ul ol ol,
.markdown-body ol ul ol,
.markdown-body ol ol ol {
list-style-type: lower-alpha;
}
.markdown-body dd {
margin-left: 0;
}
.markdown-body code,
.markdown-body pre,
.markdown-body samp {
font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
font-size: 12px;
}
.markdown-body pre {
margin-top: 0;
margin-bottom: 0;
}
.markdown-body kbd {
background-color: #e7e7e7;
background-image: -moz-linear-gradient(#fefefe, #e7e7e7);
background-image: -webkit-linear-gradient(#fefefe, #e7e7e7);
background-image: linear-gradient(#fefefe, #e7e7e7);
background-repeat: repeat-x;
border-radius: 2px;
border: 1px solid #cfcfcf;
color: #000;
padding: 3px 5px;
line-height: 10px;
font: 11px Consolas, "Liberation Mono", Menlo, Courier, monospace;
display: inline-block;
}
.markdown-body>*:first-child {
margin-top: 0 !important;
}
.markdown-body>*:last-child {
margin-bottom: 0 !important;
}
.markdown-body .headeranchor-link {
position: absolute;
top: 0;
bottom: 0;
left: 0;
display: block;
padding-right: 6px;
padding-left: 30px;
margin-left: -30px;
}
.markdown-body .headeranchor-link:focus {
outline: none;
}
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
position: relative;
margin-top: 1em;
margin-bottom: 16px;
font-weight: bold;
line-height: 1.4;
}
.markdown-body h1 .headeranchor,
.markdown-body h2 .headeranchor,
.markdown-body h3 .headeranchor,
.markdown-body h4 .headeranchor,
.markdown-body h5 .headeranchor,
.markdown-body h6 .headeranchor {
display: none;
color: #000;
vertical-align: middle;
}
.markdown-body h1:hover .headeranchor-link,
.markdown-body h2:hover .headeranchor-link,
.markdown-body h3:hover .headeranchor-link,
.markdown-body h4:hover .headeranchor-link,
.markdown-body h5:hover .headeranchor-link,
.markdown-body h6:hover .headeranchor-link {
height: 1em;
padding-left: 8px;
margin-left: -30px;
line-height: 1;
text-decoration: none;
}
.markdown-body h1:hover .headeranchor-link .headeranchor,
.markdown-body h2:hover .headeranchor-link .headeranchor,
.markdown-body h3:hover .headeranchor-link .headeranchor,
.markdown-body h4:hover .headeranchor-link .headeranchor,
.markdown-body h5:hover .headeranchor-link .headeranchor,
.markdown-body h6:hover .headeranchor-link .headeranchor {
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}
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font-size: 2.25em;
line-height: 1.2;
border-bottom: 1px solid #eee;
}
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padding-bottom: 0.3em;
font-size: 1.75em;
line-height: 1.225;
border-bottom: 1px solid #eee;
}
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font-size: 1.5em;
line-height: 1.43;
}
.markdown-body h4 {
font-size: 1.25em;
}
.markdown-body h5 {
font-size: 1em;
}
.markdown-body h6 {
font-size: 1em;
color: #777;
}
.markdown-body p,
.markdown-body blockquote,
.markdown-body ul,
.markdown-body ol,
.markdown-body dl,
.markdown-body table,
.markdown-body pre,
.markdown-body .admonition {
margin-top: 0;
margin-bottom: 16px;
}
.markdown-body hr {
height: 4px;
padding: 0;
margin: 16px 0;
background-color: #e7e7e7;
border: 0 none;
}
.markdown-body ul,
.markdown-body ol {
padding-left: 2em;
}
.markdown-body ul ul,
.markdown-body ul ol,
.markdown-body ol ol,
.markdown-body ol ul {
margin-top: 0;
margin-bottom: 0;
}
.markdown-body li>p {
margin-top: 16px;
}
.markdown-body dl {
padding: 0;
}
.markdown-body dl dt {
padding: 0;
margin-top: 16px;
font-size: 1em;
font-style: italic;
font-weight: bold;
}
.markdown-body dl dd {
padding: 0 16px;
margin-bottom: 16px;
}
.markdown-body blockquote {
padding: 0 15px;
color: #777;
border-left: 4px solid #ddd;
}
.markdown-body blockquote>:first-child {
margin-top: 0;
}
.markdown-body blockquote>:last-child {
margin-bottom: 0;
}
.markdown-body table {
display: block;
width: 100%;
overflow: auto;
word-break: normal;
word-break: keep-all;
}
.markdown-body table th {
font-weight: bold;
}
.markdown-body table th,
.markdown-body table td {
padding: 6px 13px;
border: 1px solid #ddd;
}
.markdown-body table tr {
background-color: #fff;
border-top: 1px solid #ccc;
}
.markdown-body table tr:nth-child(2n) {
background-color: #f8f8f8;
}
.markdown-body img {
max-width: 100%;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.markdown-body code,
.markdown-body samp {
padding: 0;
padding-top: 0.2em;
padding-bottom: 0.2em;
margin: 0;
font-size: 85%;
background-color: rgba(0,0,0,0.04);
border-radius: 3px;
}
.markdown-body code:before,
.markdown-body code:after {
letter-spacing: -0.2em;
content: "\00a0";
}
.markdown-body pre>code {
padding: 0;
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2014-11-20 08:45:21 +01:00
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.codehilite pre .il { color: #945277 } /* Literal.Number.Integer.Long */< / style > < title > nodemcu_api_cn< / title > < / head > < body > < article class = "markdown-body" > < h1 id = "nodemcu-api" > < strong > nodeMcu API说明< / strong > < / h1 >
2014-11-19 04:07:46 +01:00
< p > < a href = "https://github.com/funshine/nodemcu-firmware/wiki/nodemcu_api_en" > English Version< / a > < / p >
2014-11-20 08:45:21 +01:00
< h3 id = "092-build-2014-11-20" > < a name = "user-content-092-build-2014-11-20" href = "#092-build-2014-11-20" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 版本 0.9.2 build 2014-11-20< / h3 >
2014-11-19 04:07:46 +01:00
< p > < a id = "change_log" > < / a > < / p >
< h3 id = "_1" > < a name = "user-content-_1" href = "#_1" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 变更日志:< / h3 >
2014-11-20 08:45:21 +01:00
< p > 2014-11-20< br / > < br / >
修正tmr.delay， ， ， < br / > < br / >
增加tmr.wdclr()，用来重置看门狗计数器，用在长循环中，以防芯片因看门狗重启。< br / > < br / >
修正net模块UDP无法连接问题。< br / > < br / >
createServer(net.TCP, timeout)函数增加连接超时参数设置。< / p >
2014-11-19 16:15:50 +01:00
< p > 2014-11-19< br / > < br / >
增加adc模块， < br / > < br / >
wifi模块增加wifi.sta.getap() 函数， < / p >
2014-11-19 04:07:46 +01:00
< p > 2014-11-18< br / > < br / >
修正tcp服务器不能使用:close()函数关闭tcp连接的问题。< br / > < br / >
tcp服务器: 服务器将关闭30s内未使用的闲置的连接。（ ） < br / > < br / >
增加了函数node.input()用来向lua解释器输入lua代码段, 支持多行输入。< br / > < br / >
增加了函数node.ouput(function)用来将串口输出重定向于回调函数。< br / > < br / >
file.readline()函数返回值包含了EOL’ \n’ , 当读到EOF时， < / p >
< p > 2014-11-12< br / > < br / >
全功能版本固件< br / > < / p >
< p > 2014-11-11< br / > < br / >
文件模块中增加了file.seek()函数。< br / > < br / >
最多支持6个PWM输出。< br / > < / p >
< p > 2014-11-10< br / > < br / >
log模块更名为file模块< br / > < br / >
文件操作支持多次读写。< br / > < br / >
当前仅支持打开一个文件进行操作。< br / > < / p >
< p > 2014-11-5< br / > < br / >
node模块中删除了log函数。< br / > < br / >
增加了log模块。< br / > < br / >
修改wifi模块的函数。< br / > < br / >
修改了node.key长按与短按的默认回调函数。< br / > < br / >
只有当按钮被松开后， < br / > < / p >
< h3 id = "flash" > < a name = "user-content-flash" href = "#flash" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > flash 错误< / h3 >
< p > 注意：有些模块在烧写之后启动，串口输出 ERROR in flash_read: r=。。。< br / > < br / >
这是因为模块原来的flash内部没有擦除。< br / > < br / >
可使用blank512k.bin， < br / > < br / >
内容为全0xFF， < br / > < br / >
烧入之后可以正常运行。< / p >
< h1 id = "_2" > < a name = "user-content-_2" href = "#_2" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 概述< / h1 >
< ul >
< li > 快速、自动连接无线路由器< / li >
< li > 基于Lua 5.1.4， < / li >
< li > 采用事件驱动的编程模型< / li >
< li > 内置file, timer, pwm, i2c, net, gpio, wifi模块< / li >
< li > 串口波特率:9600-8N1< / li >
< li > 对模块的引脚进行编号； ， ， < / li >
< li > 目前的编号对应表格:< / li >
< / ul >
< table >
< tr >
< th scope = "col" > IO index< / th > < th scope = "col" > ESP8266 pin< / th > < th scope = "col" > IO index< / th > < th scope = "col" > ESP8266 pin< / th >
< / tr >
< tr >
< td > 0< / td > < td > GPIO12< / td > < td > 8< / td > < td > GPIO0< / td >
< / tr >
< tr >
< td > 1< / td > < td > GPIO13< / td > < td > 9< / td > < td > GPIO2< / td >
< / tr >
< tr >
< td > 2< / td > < td > GPIO14< / td > < td > 10< / td > < td > GPIO4< / td >
< / tr >
< tr >
< td > 3< / td > < td > GPIO15< / td > < td > 11< / td > < td > GPIO5< / td >
< / tr >
< tr >
< td > 4< / td > < td > GPIO3< / td > < td > < / td > < td > < / td >
< / tr >
< tr >
< td > 5< / td > < td > GPIO1< / td > < td > < / td > < td > < / td >
< / tr >
< tr >
< td > 6< / td > < td > GPIO9< / td > < td > < / td > < td > < / td >
< / tr >
< tr >
< td > 7< / td > < td > GPIO10< /td< td > < / td > < td > < / td >
< / tr >
< / table >
< h1 id = "_3" > < a name = "user-content-_3" href = "#_3" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 固件烧写< / h1 >
< h3 id = "_4" > < a name = "user-content-_4" href = "#_4" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 地址< / h3 >
< p > nodemcu_512k.bin: 0x00000< br / > < / p >
< h1 id = "node" > < a name = "user-content-node" href = "#node" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node模块< / h1 >
< p > < a id = "nm_restart" > < / a > < / p >
< h2 id = "noderestart" > < a name = "user-content-noderestart" href = "#noderestart" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.restart()< / h2 >
< h4 id = "_5" > < a name = "user-content-_5" href = "#_5" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 重新启动< / p >
< h4 id = "_6" > < a name = "user-content-_6" href = "#_6" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.restart()< / p >
< h4 id = "_7" > < a name = "user-content-_7" href = "#_7" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_8" > < a name = "user-content-_8" href = "#_8" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_9" > < a name = "user-content-_9" href = "#_9" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > restart< / span > < span class = "p" > ();< / span >
< / pre > < / div >
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< h4 id = "_10" > < a name = "user-content-_10" href = "#_10" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_dsleep" > < / a > < / p >
< h2 id = "nodedsleep" > < a name = "user-content-nodedsleep" href = "#nodedsleep" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.dsleep()< / h2 >
< h4 id = "_11" > < a name = "user-content-_11" href = "#_11" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 进入睡眠模式，计时时间之后唤醒< br / > < / p >
< h4 id = "_12" > < a name = "user-content-_12" href = "#_12" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.dsleep(us)< br / > < br / >
< strong > -注意:< / strong > 如需使用此功能， < / p >
< h4 id = "_13" > < a name = "user-content-_13" href = "#_13" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > us: 睡眠时间， ： < / p >
< h4 id = "_14" > < a name = "user-content-_14" href = "#_14" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_15" > < a name = "user-content-_15" href = "#_15" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > dsleep< / span > < span class = "p" > (< / span > < span class = "n" > us< / span > < span class = "p" > );< / span >
< / pre > < / div >
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< h4 id = "_16" > < a name = "user-content-_16" href = "#_16" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_chipid" > < / a > < / p >
< h2 id = "nodechipid" > < a name = "user-content-nodechipid" href = "#nodechipid" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.chipid()< / h2 >
< h4 id = "_17" > < a name = "user-content-_17" href = "#_17" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 返回芯片ID< / p >
< h4 id = "_18" > < a name = "user-content-_18" href = "#_18" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.chipid()< / p >
< h4 id = "_19" > < a name = "user-content-_19" href = "#_19" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_20" > < a name = "user-content-_20" href = "#_20" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > number:芯片ID< / p >
< h4 id = "_21" > < a name = "user-content-_21" href = "#_21" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > id< / span > < span class = "o" > =< / span > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > chipid< / span > < span class = "p" > ();< / span >
< / pre > < / div >
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< h4 id = "_22" > < a name = "user-content-_22" href = "#_22" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_heap" > < / a > < / p >
< h2 id = "nodeheap" > < a name = "user-content-nodeheap" href = "#nodeheap" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.heap()< / h2 >
< h4 id = "_23" > < a name = "user-content-_23" href = "#_23" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 返回当前系统剩余内存大小，单位：字节< / p >
< h4 id = "_24" > < a name = "user-content-_24" href = "#_24" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.heap()< / p >
< h4 id = "_25" > < a name = "user-content-_25" href = "#_25" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_26" > < a name = "user-content-_26" href = "#_26" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > number: 系统剩余内存字节数< / p >
< h4 id = "_27" > < a name = "user-content-_27" href = "#_27" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > heap_size< / span > < span class = "o" > =< / span > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > heap< / span > < span class = "p" > ();< / span >
< / pre > < / div >
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< h4 id = "_28" > < a name = "user-content-_28" href = "#_28" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_key" > < / a > < / p >
< h2 id = "nodekey" > < a name = "user-content-nodekey" href = "#nodekey" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.key()< / h2 >
< h4 id = "_29" > < a name = "user-content-_29" href = "#_29" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 定义按键的功能函数, 按键与GPIO16相连。< / p >
< h4 id = "_30" > < a name = "user-content-_30" href = "#_30" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.key(type, function())< / p >
< h4 id = "_31" > < a name = "user-content-_31" href = "#_31" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > type: type取字符串” long” 或者” short” . long:按下按键持续3s以上, short: 短按按键(时间短于3s)< br / > < br / >
function(): 用户自定义的按键回调函数。 如果为nil, 则取消用户定义的回调函数。< br / > < br / >
默认函数： ： ， ： < / p >
< h4 id = "_32" > < a name = "user-content-_32" href = "#_32" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_33" > < a name = "user-content-_33" href = "#_33" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > long" < / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > (){< / span > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s1" > ' < / span > < span class = "s" > hello world' < / span > < span class = "p" > )})< / span >
< / pre > < / div >
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< h4 id = "_34" > < a name = "user-content-_34" href = "#_34" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_led" > < / a > < / p >
< h2 id = "nodeled" > < a name = "user-content-nodeled" href = "#nodeled" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.led()< / h2 >
< h4 id = "_35" > < a name = "user-content-_35" href = "#_35" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 设置LED的亮/暗时间, LED连接到GPIO16, 与node.key()复用。< / p >
< h4 id = "_36" > < a name = "user-content-_36" href = "#_36" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.led(low, high)< / p >
< h4 id = "_37" > < a name = "user-content-_37" href = "#_37" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > Low: LED关闭时间， ， ： ， ： < br / > < br / >
High: LED打开时间， ： ， ： < / p >
< h4 id = "_38" > < a name = "user-content-_38" href = "#_38" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_39" > < a name = "user-content-_39" href = "#_39" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- LED常亮.< / span >
< span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > led< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< / pre > < / div >
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< h4 id = "_40" > < a name = "user-content-_40" href = "#_40" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_input" > < / a > < / p >
< h2 id = "nodeinput" > < a name = "user-content-nodeinput" href = "#nodeinput" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.input()< / h2 >
< h4 id = "_41" > < a name = "user-content-_41" href = "#_41" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 接收字符串并将字符串传入lua解释器。< br / > < br / >
功能同pcall(loadstring(str))，增加了支持多行输入的功能。< / p >
< h4 id = "_42" > < a name = "user-content-_42" href = "#_42" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.input(str)< / p >
< h4 id = "_43" > < a name = "user-content-_43" href = "#_43" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > str: Lua代码段< / p >
< h4 id = "_44" > < a name = "user-content-_44" href = "#_44" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_45" > < a name = "user-content-_45" href = "#_45" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 注意：该函数不支持在命令行中使用。< / span >
< span class = "n" > sk< / span > < span class = "p" > :< / span > < span class = "n" > on< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > receive" < / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > (< / span > < span class = "n" > conn< / span > < span class = "p" > ,< / span > < span class = "n" > payload< / span > < span class = "p" > )< / span > < span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > input< / span > < span class = "p" > (< / span > < span class = "n" > payload< / span > < span class = "p" > )< / span > < span class = "k" > end< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_46" > < a name = "user-content-_46" href = "#_46" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "nm_output" > < / a > < / p >
< h2 id = "nodeoutput" > < a name = "user-content-nodeoutput" href = "#nodeoutput" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > node.output()< / h2 >
< h4 id = "_47" > < a name = "user-content-_47" href = "#_47" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 将lua解释器输出重定向于回调函数。< / p >
< h4 id = "_48" > < a name = "user-content-_48" href = "#_48" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > node.output(function(str), serial_debug)< / p >
< h4 id = "_49" > < a name = "user-content-_49" href = "#_49" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > function(str): 接收lua解释器输出的str作为输入， < br / > < br / >
serial_debug: 1： ； ： < / p >
< h4 id = "_50" > < a name = "user-content-_50" href = "#_50" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_51" > < a name = "user-content-_51" href = "#_51" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "k" > function< / span > < span class = "nf" > tonet< / span > < span class = "p" > (< / span > < span class = "n" > str< / span > < span class = "p" > )< / span >
< span class = "n" > sk< / span > < span class = "p" > :< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "n" > str< / span > < span class = "p" > )< / span >
< span class = "c1" > -- print(str) 错误!!! 千万不要在此函数中再使用print函数< / span >
< span class = "c1" > -- 因为这样会导致函数的嵌套调用！！< / span >
< span class = "k" > end< / span >
< span class = "n" > node< / span > < span class = "p" > .< / span > < span class = "n" > ouput< / span > < span class = "p" > (< / span > < span class = "n" > tonet< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span > < span class = "c1" > -- serial also get the lua output.< / span >
< / pre > < / div >
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< h4 id = "_52" > < a name = "user-content-_52" href = "#_52" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< h1 id = "file" > < a name = "user-content-file" href = "#file" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file 模块< / h1 >
< p > < a id = "fl_remove" > < / a > < / p >
< h2 id = "fileremove" > < a name = "user-content-fileremove" href = "#fileremove" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.remove()< / h2 >
< h4 id = "_53" > < a name = "user-content-_53" href = "#_53" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 删除文件。< / p >
< h4 id = "_54" > < a name = "user-content-_54" href = "#_54" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.remove(filename)< / p >
< h4 id = "_55" > < a name = "user-content-_55" href = "#_55" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > filename: 需要删除的文件。< / p >
< h4 id = "_56" > < a name = "user-content-_56" href = "#_56" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_57" > < a name = "user-content-_57" href = "#_57" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 删除foo.lua文件< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > foo.lua" < / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_58" > < a name = "user-content-_58" href = "#_58" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_close" > file.close()< / a > < / p >
< p > < a id = "fl_open" > < / a > < / p >
< h2 id = "fileopen" > < a name = "user-content-fileopen" href = "#fileopen" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.open()< / h2 >
< h4 id = "_59" > < a name = "user-content-_59" href = "#_59" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 打开文件。< / p >
< h4 id = "_60" > < a name = "user-content-_60" href = "#_60" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.open(filename, mode)< / p >
< h4 id = "_61" > < a name = "user-content-_61" href = "#_61" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > filename: 需要打开的文件，不支持文件夹。< br / > < br / >
mode:< br / > < br / >
“ r” : read mode (the default)< br / > < br / >
“ w” : write mode< br / > < br / >
“ a” : append mode< br / > < br / >
“ r+” : update mode, 文件内的数据保留< br / > < br / >
“ w+” : update mode, 文件内的数据清除< br / > < br / >
“ a+” : append update mode, 文件内的数据保留，要写入的数据仅能增加在文件最后。< / p >
< h4 id = "_62" > < a name = "user-content-_62" href = "#_62" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_63" > < a name = "user-content-_63" href = "#_63" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 打开' init.lua' ，并打印文件的第一行。< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > r" < / span > < span class = "p" > )< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > readline< / span > < span class = "p" > ())< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_64" > < a name = "user-content-_64" href = "#_64" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_close" > file.close()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_readline" > file.readline()< / a > < / p >
< p > < a id = "fl_close" > < / a > < / p >
< h2 id = "fileclose" > < a name = "user-content-fileclose" href = "#fileclose" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.close()< / h2 >
< h4 id = "_65" > < a name = "user-content-_65" href = "#_65" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 关闭文件。< / p >
< h4 id = "_66" > < a name = "user-content-_66" href = "#_66" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.close()< / p >
< h4 id = "_67" > < a name = "user-content-_67" href = "#_67" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_68" > < a name = "user-content-_68" href = "#_68" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_69" > < a name = "user-content-_69" href = "#_69" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 打开' init.lua' ，并打印文件的第一行，然后关闭文件。< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > r" < / span > < span class = "p" > )< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > readline< / span > < span class = "p" > ())< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_70" > < a name = "user-content-_70" href = "#_70" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_readline" > file.readline()< / a > < / p >
< p > < a id = "fl_readline" > < / a > < / p >
< h2 id = "filereadline" > < a name = "user-content-filereadline" href = "#filereadline" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.readline()< / h2 >
< h4 id = "_71" > < a name = "user-content-_71" href = "#_71" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 读取文件的一行。< / p >
< h4 id = "_72" > < a name = "user-content-_72" href = "#_72" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.readline()< / p >
< h4 id = "_73" > < a name = "user-content-_73" href = "#_73" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_74" > < a name = "user-content-_74" href = "#_74" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > 逐行返回文件内容。返回值末尾包含EOL(‘ \n’ )< br / > < br / >
如果读到EOF返回nil。< / p >
< h4 id = "_75" > < a name = "user-content-_75" href = "#_75" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 打开' init.lua' ，读取并打印文件的第一行，然后关闭文件。< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > r" < / span > < span class = "p" > )< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > readline< / span > < span class = "p" > ())< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_76" > < a name = "user-content-_76" href = "#_76" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_close" > file.close()< / a > < / p >
< p > < a id = "fl_writeline" > < / a > < / p >
< h2 id = "filewriteline" > < a name = "user-content-filewriteline" href = "#filewriteline" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.writeline()< / h2 >
< h4 id = "_77" > < a name = "user-content-_77" href = "#_77" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 向文件写入一行，行末尾增加’ \n’ 。< / p >
< h4 id = "_78" > < a name = "user-content-_78" href = "#_78" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.writeline(string)< / p >
< h4 id = "_79" > < a name = "user-content-_79" href = "#_79" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > string: 需要写入的字符串< / p >
< h4 id = "_80" > < a name = "user-content-_80" href = "#_80" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > true: 写入成功< br / > < br / >
nil: 写入失败< / p >
< h4 id = "_81" > < a name = "user-content-_81" href = "#_81" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 以' a+' 的模式打开' init.lua' < / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > a+" < / span > < span class = "p" > )< / span >
< span class = "c1" > -- 将' foo bar' 写到文件的末尾< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > writeline< / span > < span class = "p" > (< / span > < span class = "s1" > ' < / span > < span class = "s" > foo bar' < / span > < span class = "p" > )< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_82" > < a name = "user-content-_82" href = "#_82" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_write" > file.write()< / a > < / p >
< p > < a id = "fl_write" > < / a > < / p >
< h2 id = "filewrite" > < a name = "user-content-filewrite" href = "#filewrite" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.write()< / h2 >
< h4 id = "_83" > < a name = "user-content-_83" href = "#_83" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 向文件写入字符串。< / p >
< h4 id = "_84" > < a name = "user-content-_84" href = "#_84" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.write(string)< / p >
< h4 id = "_85" > < a name = "user-content-_85" href = "#_85" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > string: 需要写入的字符串< / p >
< h4 id = "_86" > < a name = "user-content-_86" href = "#_86" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > true: 写入成功< br / > < br / >
nil: 写入失败< / p >
< h4 id = "_87" > < a name = "user-content-_87" href = "#_87" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 以' a+' 的模式打开' init.lua' < / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > a+" < / span > < span class = "p" > )< / span >
< span class = "c1" > -- 将' foo bar' 写到文件的末尾< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > writeline< / span > < span class = "p" > (< / span > < span class = "s1" > ' < / span > < span class = "s" > foo bar' < / span > < span class = "p" > )< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_88" > < a name = "user-content-_88" href = "#_88" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_writeline" > file.writeline()< / a > < / p >
< p > < a id = "fl_flush" > < / a > < / p >
< h2 id = "fileflush" > < a name = "user-content-fileflush" href = "#fileflush" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.flush()< / h2 >
< h4 id = "_89" > < a name = "user-content-_89" href = "#_89" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 清空缓存写入文件。< / p >
< h4 id = "_90" > < a name = "user-content-_90" href = "#_90" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.flush()< / p >
< h4 id = "_91" > < a name = "user-content-_91" href = "#_91" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_92" > < a name = "user-content-_92" href = "#_92" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_93" > < a name = "user-content-_93" href = "#_93" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 以' a+' 的模式打开' init.lua' < / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > a+" < / span > < span class = "p" > )< / span >
< span class = "c1" > -- 将' foo bar' 写到文件的末尾< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s1" > ' < / span > < span class = "s" > foo bar' < / span > < span class = "p" > )< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > flush< / span > < span class = "p" > ()< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_94" > < a name = "user-content-_94" href = "#_94" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_writeline" > file.writeline()< / a > < / p >
< p > < a id = "fl_seek" > < / a > < / p >
< h2 id = "fileseek" > < a name = "user-content-fileseek" href = "#fileseek" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.seek()< / h2 >
< h4 id = "_95" > < a name = "user-content-_95" href = "#_95" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 设置或者读取文件的读写位置， < / p >
< h4 id = "_96" > < a name = "user-content-_96" href = "#_96" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.seek(whence, offset)< / p >
< h4 id = "_97" > < a name = "user-content-_97" href = "#_97" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > whence:< br / > < br / >
“ set” : base is position 0 (beginning of the file);< br / > < br / >
“ cur” : base is current position;(default value)< br / > < br / >
“ end” : base is end of file;< br / > < br / >
offset: default 0< / p >
< h4 id = "_98" > < a name = "user-content-_98" href = "#_98" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > 成功: 返回当前的文件读写位置< br / > < br / >
失败: 返回nil< / p >
< h4 id = "_99" > < a name = "user-content-_99" href = "#_99" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 以' a+' 的模式打开' init.lua' < / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > init.lua" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > a+" < / span > < span class = "p" > )< / span >
< span class = "c1" > -- 将' foo bar' 写到文件的末尾< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s1" > ' < / span > < span class = "s" > foo bar' < / span > < span class = "p" > )< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > flush< / span > < span class = "p" > ()< / span >
< span class = "c1" > --将文件读写位置设置在文件开始< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > seek< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > set" < / span > < span class = "p" > )< / span >
< span class = "c1" > --读取并打印文件的第一行< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > readline< / span > < span class = "p" > ())< / span >
< span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_100" > < a name = "user-content-_100" href = "#_100" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_open" > file.open()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#fl_writeline" > file.writeline()< / a > < / p >
< p > < a id = "fl_list" > < / a > < / p >
< h2 id = "filelist" > < a name = "user-content-filelist" href = "#filelist" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > file.list()< / h2 >
< h4 id = "_101" > < a name = "user-content-_101" href = "#_101" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 显示所有文件。< / p >
< h4 id = "_102" > < a name = "user-content-_102" href = "#_102" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > file.list()< / p >
< h4 id = "_103" > < a name = "user-content-_103" href = "#_103" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_104" > < a name = "user-content-_104" href = "#_104" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > 返回包含{文件名：文件大小}的lua table< / p >
< h4 id = "_105" > < a name = "user-content-_105" href = "#_105" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > l< / span > < span class = "o" > =< / span > < span class = "n" > file< / span > < span class = "p" > .< / span > < span class = "n" > list< / span > < span class = "p" > ();< / span >
< span class = "k" > for< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "k" > in< / span > < span class = "nb" > pairs< / span > < span class = "p" > (< / span > < span class = "n" > l< / span > < span class = "p" > )< / span > < span class = "k" > do< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > name:" < / span > < span class = "o" > ..< / span > < span class = "n" > k< / span > < span class = "o" > ..< / span > < span class = "s2" > " < / span > < span class = "s" > , size:" < / span > < span class = "o" > ..< / span > < span class = "n" > v< / span > < span class = "p" > )< / span >
< span class = "k" > end< / span >
< / pre > < / div >
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< h4 id = "_106" > < a name = "user-content-_106" href = "#_106" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#fl_remove" > file.remove()< / a > < / p >
< h1 id = "wifi" > < a name = "user-content-wifi" href = "#wifi" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi模块< / h1 >
< h2 id = "_107" > < a name = "user-content-_107" href = "#_107" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 常量< / h2 >
< p > wifi.STATION, wifi.SOFTAP, wifi.STATIONAP< / p >
< p > < a id = "wf_setmode" > < / a > < / p >
< h2 id = "wifisetmodemode" > < a name = "user-content-wifisetmodemode" href = "#wifisetmodemode" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.setmode(mode)< / h2 >
< h4 id = "_108" > < a name = "user-content-_108" href = "#_108" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 设置wifi的工作模式。< / p >
< h4 id = "_109" > < a name = "user-content-_109" href = "#_109" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.setmode(mode)< / p >
< h4 id = "_110" > < a name = "user-content-_110" href = "#_110" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > mode: 取值为： < / p >
< h4 id = "_111" > < a name = "user-content-_111" href = "#_111" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > 返回设置之后的mode值< / p >
< h4 id = "_112" > < a name = "user-content-_112" href = "#_112" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > setmode< / span > < span class = "p" > (< / span > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > STATION< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_113" > < a name = "user-content-_113" href = "#_113" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#wf_getmode" > wifi.getmode()< / a > < / p >
< p > < a id = "wf_getmode" > < / a > < / p >
< h2 id = "wifigetmodemode" > < a name = "user-content-wifigetmodemode" href = "#wifigetmodemode" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.getmode(mode)< / h2 >
< h4 id = "_114" > < a name = "user-content-_114" href = "#_114" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 获取wifi的工作模式。< / p >
< h4 id = "_115" > < a name = "user-content-_115" href = "#_115" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.getmode()< / p >
< h4 id = "_116" > < a name = "user-content-_116" href = "#_116" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_117" > < a name = "user-content-_117" href = "#_117" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > 返回wifi的工作模式< / p >
< h4 id = "_118" > < a name = "user-content-_118" href = "#_118" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > getmode< / span > < span class = "p" > ())< / span >
< / pre > < / div >
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< h4 id = "_119" > < a name = "user-content-_119" href = "#_119" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#wf_setmode" > wifi.setmode()< / a > < / p >
< p > < a id = "wf_startsmart" > < / a > < / p >
< h2 id = "wifistartsmart" > < a name = "user-content-wifistartsmart" href = "#wifistartsmart" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.startsmart()< / h2 >
< h4 id = "_120" > < a name = "user-content-_120" href = "#_120" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 开始自动配置， < / p >
< h4 id = "_121" > < a name = "user-content-_121" href = "#_121" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.startsmart(channel, function succeed_callback())< / p >
< h4 id = "_122" > < a name = "user-content-_122" href = "#_122" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > channel: 1~13, 启动寻找的初始频段， < br / > < br / >
succeed_callback: 配置成功的回调函数， < / p >
< h4 id = "_123" > < a name = "user-content-_123" href = "#_123" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_124" > < a name = "user-content-_124" href = "#_124" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > startsmart< / span > < span class = "p" > (< / span > < span class = "mi" > 6< / span > < span class = "p" > ,< / span > < span class = "n" > cb< / span > < span class = "p" > ())< / span >
< / pre > < / div >
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< h4 id = "_125" > < a name = "user-content-_125" href = "#_125" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#wf_stopsmart" > wifi.stopsmart()< / a > < / p >
< p > < a id = "wf_stopsmart" > < / a > < / p >
< h2 id = "wifistopsmart" > < a name = "user-content-wifistopsmart" href = "#wifistopsmart" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.stopsmart()< / h2 >
< h4 id = "_126" > < a name = "user-content-_126" href = "#_126" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 停止配置。< / p >
< h4 id = "_127" > < a name = "user-content-_127" href = "#_127" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.stopsmart()< / p >
< h4 id = "_128" > < a name = "user-content-_128" href = "#_128" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_129" > < a name = "user-content-_129" href = "#_129" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_130" > < a name = "user-content-_130" href = "#_130" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > stopsmart< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_131" > < a name = "user-content-_131" href = "#_131" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#wf_startsmart" > wifi.startsmart()< / a > < / p >
< h1 id = "wifista" > < a name = "user-content-wifista" href = "#wifista" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta 子模块< / h1 >
< p > < a id = "ws_config" > < / a > < / p >
< h2 id = "wifistaconfig" > < a name = "user-content-wifistaconfig" href = "#wifistaconfig" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.config()< / h2 >
< h4 id = "_132" > < a name = "user-content-_132" href = "#_132" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 设置station模式下的ssid和password。< / p >
< h4 id = "_133" > < a name = "user-content-_133" href = "#_133" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.config(ssid, password)< / p >
< h4 id = "_134" > < a name = "user-content-_134" href = "#_134" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > ssid: 字符串， < br / > < br / >
password: 字符串， < / p >
< h4 id = "_135" > < a name = "user-content-_135" href = "#_135" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_136" > < a name = "user-content-_136" href = "#_136" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > config< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > myssid" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > mypassword" < / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_137" > < a name = "user-content-_137" href = "#_137" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_connect" > wifi.sta.connect()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#ws_disconnect" > wifi.sta.disconnect()< / a > < / p >
< p > < a id = "ws_connect" > < / a > < / p >
< h2 id = "wifistaconnect" > < a name = "user-content-wifistaconnect" href = "#wifistaconnect" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.connect()< / h2 >
< h4 id = "_138" > < a name = "user-content-_138" href = "#_138" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > station模式下连接AP。< / p >
< h4 id = "_139" > < a name = "user-content-_139" href = "#_139" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.connect()< / p >
< h4 id = "_140" > < a name = "user-content-_140" href = "#_140" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_141" > < a name = "user-content-_141" href = "#_141" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_142" > < a name = "user-content-_142" href = "#_142" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > connect< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_143" > < a name = "user-content-_143" href = "#_143" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_disconnect" > wifi.sta.disconnect()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#ws_config" > wifi.sta.config()< / a > < / p >
< p > < a id = "ws_disconnect" > < / a > < / p >
< h2 id = "wifistadisconnect" > < a name = "user-content-wifistadisconnect" href = "#wifistadisconnect" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.disconnect()< / h2 >
< h4 id = "_144" > < a name = "user-content-_144" href = "#_144" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > station模式下与AP断开连接。< / p >
< h4 id = "_145" > < a name = "user-content-_145" href = "#_145" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.disconnect()< / p >
< h4 id = "_146" > < a name = "user-content-_146" href = "#_146" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_147" > < a name = "user-content-_147" href = "#_147" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_148" > < a name = "user-content-_148" href = "#_148" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > disconnect< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_149" > < a name = "user-content-_149" href = "#_149" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_config" > wifi.sta.config()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#ws_connect" > wifi.sta.connect()< / a > < / p >
< p > < a id = "ws_autoconnect" > < / a > < / p >
< h2 id = "wifistaautoconnect" > < a name = "user-content-wifistaautoconnect" href = "#wifistaautoconnect" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.autoconnect()< / h2 >
< h4 id = "_150" > < a name = "user-content-_150" href = "#_150" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > station模式下自动连接。< / p >
< h4 id = "_151" > < a name = "user-content-_151" href = "#_151" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.autoconnect(auto)< / p >
< h4 id = "_152" > < a name = "user-content-_152" href = "#_152" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > auto: 0： ， ： < / p >
< h4 id = "_153" > < a name = "user-content-_153" href = "#_153" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_154" > < a name = "user-content-_154" href = "#_154" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > autoconnect< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_155" > < a name = "user-content-_155" href = "#_155" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_config" > wifi.sta.config()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#ws_connect" > wifi.sta.connect()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#ws_disconnect" > wifi.sta.disconnect()< / a > < / p >
< p > < a id = "ws_getip" > < / a > < / p >
< h2 id = "wifistagetip" > < a name = "user-content-wifistagetip" href = "#wifistagetip" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.getip()< / h2 >
< h4 id = "_156" > < a name = "user-content-_156" href = "#_156" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > station模式下获取ip< / p >
< h4 id = "_157" > < a name = "user-content-_157" href = "#_157" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.getip()< / p >
< h4 id = "_158" > < a name = "user-content-_158" href = "#_158" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_159" > < a name = "user-content-_159" href = "#_159" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > ip地址字符串， ” 192.168.0.111” < / p >
< h4 id = "_160" > < a name = "user-content-_160" href = "#_160" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- print current ip< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > getip< / span > < span class = "p" > ())< / span >
< / pre > < / div >
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< h4 id = "_161" > < a name = "user-content-_161" href = "#_161" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_getmac" > wifi.sta.getmac()< / a > < / p >
< p > < a id = "ws_getmac" > < / a > < / p >
< h2 id = "wifistagetmac" > < a name = "user-content-wifistagetmac" href = "#wifistagetmac" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.getmac()< / h2 >
< h4 id = "_162" > < a name = "user-content-_162" href = "#_162" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > station模式下获取mac地址。< / p >
< h4 id = "_163" > < a name = "user-content-_163" href = "#_163" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.getmac()< / p >
< h4 id = "_164" > < a name = "user-content-_164" href = "#_164" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil< / p >
< h4 id = "_165" > < a name = "user-content-_165" href = "#_165" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > mac地址字符串， ” 18-33-44-FE-55-BB” < / p >
< h4 id = "_166" > < a name = "user-content-_166" href = "#_166" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 打印当前的mac地址< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > getmac< / span > < span class = "p" > ())< / span >
< / pre > < / div >
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< h4 id = "_167" > < a name = "user-content-_167" href = "#_167" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_getip" > wifi.sta.getip()< / a > < / p >
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< p > < a id = "ws_getap" > < / a > < / p >
< h2 id = "wifistagetap" > < a name = "user-content-wifistagetap" href = "#wifistagetap" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.sta.getap()< / h2 >
< h4 id = "_168" > < a name = "user-content-_168" href = "#_168" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 扫描并列出ap， < / p >
< h4 id = "_169" > < a name = "user-content-_169" href = "#_169" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > wifi.sta.getap(function(table))< / p >
< h4 id = "_170" > < a name = "user-content-_170" href = "#_170" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > function(table): 当扫描结束时，调用此回调函数< br / > < br / >
扫描结果是一个lua table， ， ， ： < / p >
< h4 id = "_171" > < a name = "user-content-_171" href = "#_171" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_172" > < a name = "user-content-_172" href = "#_172" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- print ap list< / span >
< span class = "k" > function< / span > < span class = "nf" > listap< / span > < span class = "p" > (< / span > < span class = "n" > t< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "k" > in< / span > < span class = "nb" > pairs< / span > < span class = "p" > (< / span > < span class = "n" > t< / span > < span class = "p" > )< / span > < span class = "k" > do< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > k< / span > < span class = "o" > ..< / span > < span class = "s2" > " < / span > < span class = "s" > : " < / span > < span class = "o" > ..< / span > < span class = "n" > v< / span > < span class = "p" > )< / span >
< span class = "k" > end< / span >
< span class = "k" > end< / span >
< span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > sta< / span > < span class = "p" > .< / span > < span class = "n" > getap< / span > < span class = "p" > (< / span > < span class = "n" > listap< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_173" > < a name = "user-content-_173" href = "#_173" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#ws_getip" > wifi.sta.getip()< / a > < / p >
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< h1 id = "wifiap" > < a name = "user-content-wifiap" href = "#wifiap" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.ap 子模块< / h1 >
< p > < a id = "wa_config" > < / a > < / p >
< h2 id = "wifiapconfig" > < a name = "user-content-wifiapconfig" href = "#wifiapconfig" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.ap.config()< / h2 >
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< h4 id = "_174" > < a name = "user-content-_174" href = "#_174" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置ap模式下的ssid和password< / p >
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< h4 id = "_175" > < a name = "user-content-_175" href = "#_175" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > wifi.ap.config(cfg)< / p >
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< h4 id = "_176" > < a name = "user-content-_176" href = "#_176" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > cfg: 设置AP的lua table< / p >
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< h4 id = "_177" > < a name = "user-content-_177" href = "#_177" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例:< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > cfg< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "n" > cfg< / span > < span class = "p" > .< / span > < span class = "n" > ssid< / span > < span class = "o" > =< / span > < span class = "s2" > " < / span > < span class = "s" > myssid" < / span >
< span class = "n" > cfg< / span > < span class = "p" > .< / span > < span class = "n" > pwd< / span > < span class = "o" > =< / span > < span class = "s2" > " < / span > < span class = "s" > mypwd" < / span >
< span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > ap< / span > < span class = "p" > .< / span > < span class = "n" > setconfig< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_178" > < a name = "user-content-_178" href = "#_178" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_179" > < a name = "user-content-_179" href = "#_179" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > ap< / span > < span class = "p" > .< / span > < span class = "n" > config< / span > < span class = "p" > (< / span > < span class = "n" > ssid< / span > < span class = "p" > ,< / span > < span class = "s1" > ' < / span > < span class = "s" > password' < / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_180" > < a name = "user-content-_180" href = "#_180" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "" > < / a > < / p >
< p > < a id = "wa_getip" > < / a > < / p >
< h2 id = "wifiapgetip" > < a name = "user-content-wifiapgetip" href = "#wifiapgetip" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.ap.getip()< / h2 >
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< h4 id = "_181" > < a name = "user-content-_181" href = "#_181" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > ap模式下获取ip< / p >
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< h4 id = "_182" > < a name = "user-content-_182" href = "#_182" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > wifi.ap.getip()< / p >
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< h4 id = "_183" > < a name = "user-content-_183" href = "#_183" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil< / p >
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< h4 id = "_184" > < a name = "user-content-_184" href = "#_184" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > ip地址字符串， ” 192.168.0.111” < / p >
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< h4 id = "_185" > < a name = "user-content-_185" href = "#_185" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > ap< / span > < span class = "p" > .< / span > < span class = "n" > getip< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_186" > < a name = "user-content-_186" href = "#_186" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#wa_getmac" > wifi.ap.getmac()< / a > < / p >
< p > < a id = "wa_getmac" > < / a > < / p >
< h2 id = "wifiapgetmac" > < a name = "user-content-wifiapgetmac" href = "#wifiapgetmac" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > wifi.ap.getmac()< / h2 >
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< h4 id = "_187" > < a name = "user-content-_187" href = "#_187" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > ap模式下获取mac地址。< / p >
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< h4 id = "_188" > < a name = "user-content-_188" href = "#_188" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > wifi.ap.getmac()< / p >
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< h4 id = "_189" > < a name = "user-content-_189" href = "#_189" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil< / p >
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< h4 id = "_190" > < a name = "user-content-_190" href = "#_190" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > mac地址字符串， ” 1A-33-44-FE-55-BB” < / p >
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< h4 id = "_191" > < a name = "user-content-_191" href = "#_191" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "n" > wifi< / span > < span class = "p" > .< / span > < span class = "n" > ap< / span > < span class = "p" > .< / span > < span class = "n" > getmac< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_192" > < a name = "user-content-_192" href = "#_192" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#wa_getip" > wifi.ap.getip()< / a > < / p >
< h1 id = "timer" > < a name = "user-content-timer" href = "#timer" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > timer 模块< / h1 >
< p > < a id = "tm_delay" > < / a > < / p >
< h2 id = "tmrdelay" > < a name = "user-content-tmrdelay" href = "#tmrdelay" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > tmr.delay()< / h2 >
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< h4 id = "_193" > < a name = "user-content-_193" href = "#_193" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 延迟us微秒。< / p >
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< h4 id = "_194" > < a name = "user-content-_194" href = "#_194" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > tmr.dealy(us)< / p >
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< h4 id = "_195" > < a name = "user-content-_195" href = "#_195" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > us: 延迟时间，单位：微秒< / p >
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< h4 id = "_196" > < a name = "user-content-_196" href = "#_196" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_197" > < a name = "user-content-_197" href = "#_197" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- delay 100us< / span >
< span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > delay< / span > < span class = "p" > (< / span > < span class = "mi" > 100< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_198" > < a name = "user-content-_198" href = "#_198" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#tm_now" > tmr.now()< / a > < / p >
< p > < a id = "tm_now" > < / a > < / p >
< h2 id = "tmrnow" > < a name = "user-content-tmrnow" href = "#tmrnow" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > tmr.now()< / h2 >
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< h4 id = "_199" > < a name = "user-content-_199" href = "#_199" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 返回系统计数器的当前值， ， ： < / p >
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< h4 id = "_200" > < a name = "user-content-_200" href = "#_200" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > tmr.now()< / p >
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< h4 id = "_201" > < a name = "user-content-_201" href = "#_201" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil< / p >
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< h4 id = "_202" > < a name = "user-content-_202" href = "#_202" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > uint32: value of counter< / p >
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< h4 id = "_203" > < a name = "user-content-_203" href = "#_203" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 打印计数器的当前值。< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > now< / span > < span class = "p" > ())< / span >
< / pre > < / div >
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< h4 id = "_204" > < a name = "user-content-_204" href = "#_204" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#tm_delay" > tmr.delay()< / a > < / p >
< p > < a id = "tm_alarm" > < / a > < / p >
< h2 id = "tmralarm" > < a name = "user-content-tmralarm" href = "#tmralarm" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > tmr.alarm()< / h2 >
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< h4 id = "_205" > < a name = "user-content-_205" href = "#_205" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 闹钟函数。< br / > < br / >
< strong > -注意:< / strong > 只能允许存在一个闹钟， < / p >
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< h4 id = "_206" > < a name = "user-content-_206" href = "#_206" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > tmr.alarm(interval, repeat, function do())< / p >
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< h4 id = "_207" > < a name = "user-content-_207" href = "#_207" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > Interval: 定时时间，单位：毫秒。< br / > < br / >
repeat: 0： ； ： < br / > < br / >
function do(): 定时器到时回调函数。< / p >
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< h4 id = "_208" > < a name = "user-content-_208" href = "#_208" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_209" > < a name = "user-content-_209" href = "#_209" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 每1000ms输出一个hello world< / span >
< span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > alarm< / span > < span class = "p" > (< / span > < span class = "mi" > 1000< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > ()< / span > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > hello world" < / span > < span class = "p" > )< / span > < span class = "k" > end< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_210" > < a name = "user-content-_210" href = "#_210" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#tm_now" > tmr.now()< / a > < / p >
< p > < a id = "tm_stop" > < / a > < / p >
< h2 id = "tmrstop" > < a name = "user-content-tmrstop" href = "#tmrstop" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > tmr.stop()< / h2 >
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< h4 id = "_211" > < a name = "user-content-_211" href = "#_211" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 停止闹钟功能。< br / > < / p >
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< h4 id = "_212" > < a name = "user-content-_212" href = "#_212" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > tmr.stop()< / p >
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< h4 id = "_213" > < a name = "user-content-_213" href = "#_213" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil.< / p >
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< h4 id = "_214" > < a name = "user-content-_214" href = "#_214" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_215" > < a name = "user-content-_215" href = "#_215" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
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< div class = "codehilite" > < pre > < span class = "c1" > -- 每隔1000ms打印hello world< / span >
< span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > alarm< / span > < span class = "p" > (< / span > < span class = "mi" > 1000< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > ()< / span > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > hello world" < / span > < span class = "p" > )< / span > < span class = "k" > end< / span > < span class = "p" > )< / span >
< span class = "c1" > -- 其它代码< / span >
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< span class = "c1" > -- 停止闹钟< / span >
< span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > stop< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_216" > < a name = "user-content-_216" href = "#_216" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#tm_now" > tmr.now()< / a > < / p >
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< p > < a id = "tm_wdclr" > < / a > < / p >
< h2 id = "tmrwdclr" > < a name = "user-content-tmrwdclr" href = "#tmrwdclr" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > tmr.wdclr()< / h2 >
< h4 id = "_217" > < a name = "user-content-_217" href = "#_217" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 清除看门狗计数器。< br / > < / p >
< h4 id = "_218" > < a name = "user-content-_218" href = "#_218" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > tmr.wdclr()< / p >
< h4 id = "_219" > < a name = "user-content-_219" href = "#_219" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
< p > nil.< / p >
< h4 id = "_220" > < a name = "user-content-_220" href = "#_220" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
< p > nil< / p >
< h4 id = "_221" > < a name = "user-content-_221" href = "#_221" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "k" > for< / span > < span class = "n" > i< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 10000< / span > < span class = "k" > do< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > )< / span >
< span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > wdclr< / span > < span class = "p" > ()< / span > < span class = "c1" > -- 一个长时间的循环或者事务， < / span >
< span class = "k" > end< / span >
< / pre > < / div >
< h4 id = "_222" > < a name = "user-content-_222" href = "#_222" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
< p > < strong > -< / strong > < a href = "#tm_delay" > tmr.delay()< / a > < / p >
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< h1 id = "gpio" > < a name = "user-content-gpio" href = "#gpio" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > GPIO 模块< / h1 >
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< h2 id = "_223" > < a name = "user-content-_223" href = "#_223" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 常量< / h2 >
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< p > gpio.OUTPUT, gpio.INPUT, gpio.INT, gpio.HIGH, gpio.LOW< / p >
< p > < a id = "io_mode" > < / a > < / p >
< h2 id = "gpiomode" > < a name = "user-content-gpiomode" href = "#gpiomode" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > gpio.mode()< / h2 >
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< h4 id = "_224" > < a name = "user-content-_224" href = "#_224" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 将pin初始化为GPIO并设置输入输出模式。< / p >
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< h4 id = "_225" > < a name = "user-content-_225" href = "#_225" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > gpio.mode(pin, mode)< / p >
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< h4 id = "_226" > < a name = "user-content-_226" href = "#_226" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
mode: 取值为： < / p >
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< h4 id = "_227" > < a name = "user-content-_227" href = "#_227" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_228" > < a name = "user-content-_228" href = "#_228" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 将GPIO0设置为输出模式< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > mode< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > OUTPUT< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_229" > < a name = "user-content-_229" href = "#_229" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#io_read" > gpio.read()< / a > < / p >
< p > < a id = "io_read" > < / a > < / p >
< h2 id = "gpioread" > < a name = "user-content-gpioread" href = "#gpioread" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > gpio.read()< / h2 >
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< h4 id = "_230" > < a name = "user-content-_230" href = "#_230" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 读取管脚电平高低。< / p >
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< h4 id = "_231" > < a name = "user-content-_231" href = "#_231" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > gpio.read(pin)< / p >
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< h4 id = "_232" > < a name = "user-content-_232" href = "#_232" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_233" > < a name = "user-content-_233" href = "#_233" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > number:0： ： < / p >
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< h4 id = "_234" > < a name = "user-content-_234" href = "#_234" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 读取GPIO0的电平< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > read< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_235" > < a name = "user-content-_235" href = "#_235" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#io_mode" > gpio.mode()< / a > < / p >
< p > < a id = "io_write" > < / a > < / p >
< h2 id = "gpiowrite" > < a name = "user-content-gpiowrite" href = "#gpiowrite" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > gpio.write()< / h2 >
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< h4 id = "_236" > < a name = "user-content-_236" href = "#_236" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置管脚电平< / p >
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< h4 id = "_237" > < a name = "user-content-_237" href = "#_237" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > gpio.write(pin)< / p >
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< h4 id = "_238" > < a name = "user-content-_238" href = "#_238" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
level: gpio.HIGH or gpio.LOW< / p >
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< h4 id = "_239" > < a name = "user-content-_239" href = "#_239" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_240" > < a name = "user-content-_240" href = "#_240" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 设置GPIP1为输出模式， < / span >
< span class = "n" > pin< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > mode< / span > < span class = "p" > (< / span > < span class = "n" > pin< / span > < span class = "p" > ,< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > OUTPUT< / span > < span class = "p" > )< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "n" > pin< / span > < span class = "p" > ,< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > HIGH< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_241" > < a name = "user-content-_241" href = "#_241" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#io_mode" > gpio.mode()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#io_read" > gpio.read()< / a > < / p >
< p > < a id = "io_trig" > < / a > < / p >
< h2 id = "gpiotrig" > < a name = "user-content-gpiotrig" href = "#gpiotrig" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > gpio.trig()< / h2 >
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< h4 id = "_242" > < a name = "user-content-_242" href = "#_242" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置管脚中断模式的回调函数。< / p >
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< h4 id = "_243" > < a name = "user-content-_243" href = "#_243" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > gpio.trig(pin, type, function(level))< / p >
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< h4 id = "_244" > < a name = "user-content-_244" href = "#_244" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
type: 取值为” up” , “ down” , “ both” , “ low” , “ high” , 分别代表上升沿、下降沿、双边沿、低电平、高电平触发方式。< br / > < br / >
function(level): 中断触发的回调函数， ， < / p >
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< h4 id = "_245" > < a name = "user-content-_245" href = "#_245" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_246" > < a name = "user-content-_246" href = "#_246" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 使用GPIO0检测输入脉冲宽度< / span >
< span class = "n" > pulse0< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< span class = "n" > du< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > mode< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > INT< / span > < span class = "p" > )< / span >
< span class = "k" > function< / span > < span class = "nf" > pin0cb< / span > < span class = "p" > (< / span > < span class = "n" > level< / span > < span class = "p" > )< / span >
< span class = "n" > du< / span > < span class = "o" > =< / span > < span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > now< / span > < span class = "p" > ()< / span > < span class = "err" > – < / span > < span class = "n" > pulse0< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > du< / span > < span class = "p" > )< / span >
< span class = "n" > pulse0< / span > < span class = "o" > =< / span > < span class = "n" > tmr< / span > < span class = "p" > .< / span > < span class = "n" > now< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > level< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "k" > then< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > trig< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > down " < / span > < span class = "p" > )< / span > < span class = "k" > else< / span > < span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > trig< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > up " < / span > < span class = "p" > )< / span > < span class = "k" > end< / span >
< span class = "k" > end< / span >
< span class = "n" > gpio< / span > < span class = "p" > .< / span > < span class = "n" > trig< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > down " < / span > < span class = "p" > ,< / span > < span class = "n" > pin0cb< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_247" > < a name = "user-content-_247" href = "#_247" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#io_mode" > gpio.mode()< / a > < br / > < br / >
< strong > -< / strong > < a href = "#io_write" > gpio.write()< / a > < / p >
< h1 id = "pwm" > < a name = "user-content-pwm" href = "#pwm" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > PWM模块< / h1 >
< p > < a id = "pw_setup" > < / a > < / p >
< h2 id = "pwmsetup" > < a name = "user-content-pwmsetup" href = "#pwmsetup" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.setup()< / h2 >
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< h4 id = "_248" > < a name = "user-content-_248" href = "#_248" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置管脚为pwm模式， < / p >
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< h4 id = "_249" > < a name = "user-content-_249" href = "#_249" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.setup(pin, clock, duty)< / p >
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< h4 id = "_250" > < a name = "user-content-_250" href = "#_250" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
clock: 1~500, pwm频率< br / > < br / >
duty: 0~100, pwm占空比， < / p >
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< h4 id = "_251" > < a name = "user-content-_251" href = "#_251" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_252" > < a name = "user-content-_252" href = "#_252" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 将管脚0设置为pwm输出模式， ， < / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setup< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 100< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_253" > < a name = "user-content-_253" href = "#_253" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_start" > pwm.start()< / a > < / p >
< p > < a id = "pw_close" > < / a > < / p >
< h2 id = "pwmclose" > < a name = "user-content-pwmclose" href = "#pwmclose" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.close()< / h2 >
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< h4 id = "_254" > < a name = "user-content-_254" href = "#_254" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 退出pwm模式。< / p >
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< h4 id = "_255" > < a name = "user-content-_255" href = "#_255" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.close(pin)< / p >
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< h4 id = "_256" > < a name = "user-content-_256" href = "#_256" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_257" > < a name = "user-content-_257" href = "#_257" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_258" > < a name = "user-content-_258" href = "#_258" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > close< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_259" > < a name = "user-content-_259" href = "#_259" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_start" > pwm.start()< / a > < / p >
< p > < a id = "pw_start" > < / a > < / p >
< h2 id = "pwmstart" > < a name = "user-content-pwmstart" href = "#pwmstart" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.start()< / h2 >
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< h4 id = "_260" > < a name = "user-content-_260" href = "#_260" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > pwm启动， < / p >
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< h4 id = "_261" > < a name = "user-content-_261" href = "#_261" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.start(pin)< / p >
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< h4 id = "_262" > < a name = "user-content-_262" href = "#_262" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_263" > < a name = "user-content-_263" href = "#_263" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_264" > < a name = "user-content-_264" href = "#_264" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_265" > < a name = "user-content-_265" href = "#_265" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_stop" > pwm.stop()< / a > < / p >
< p > < a id = "pw_stop" > < / a > < / p >
< h2 id = "pwmstop" > < a name = "user-content-pwmstop" href = "#pwmstop" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.stop()< / h2 >
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< h4 id = "_266" > < a name = "user-content-_266" href = "#_266" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 暂停pwm输出波形。< / p >
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< h4 id = "_267" > < a name = "user-content-_267" href = "#_267" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.stop(pin)< / p >
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< h4 id = "_268" > < a name = "user-content-_268" href = "#_268" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_269" > < a name = "user-content-_269" href = "#_269" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_270" > < a name = "user-content-_270" href = "#_270" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > stop< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_271" > < a name = "user-content-_271" href = "#_271" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_start" > pwm.start()< / a > < / p >
< p > < a id = "pw_setclock" > < / a > < / p >
< h2 id = "pwmsetclock" > < a name = "user-content-pwmsetclock" href = "#pwmsetclock" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.setclock()< / h2 >
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< h4 id = "_272" > < a name = "user-content-_272" href = "#_272" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置pwm的频率< br / > < br / >
< strong > -Note:< / strong > 设置pwm频率将会同步改变其他pwm输出的频率， < / p >
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< h4 id = "_273" > < a name = "user-content-_273" href = "#_273" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.setclock(pin, clock)< / p >
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< h4 id = "_274" > < a name = "user-content-_274" href = "#_274" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
clock: 1~500, pwm周期< / p >
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< h4 id = "_275" > < a name = "user-content-_275" href = "#_275" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_276" > < a name = "user-content-_276" href = "#_276" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setclock< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 100< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_277" > < a name = "user-content-_277" href = "#_277" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_getclock" > pwm.getclock()< / a > < / p >
< p > < a id = "pw_getclock" > < / a > < / p >
< h2 id = "pwmgetclock" > < a name = "user-content-pwmgetclock" href = "#pwmgetclock" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.getclock()< / h2 >
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< h4 id = "_278" > < a name = "user-content-_278" href = "#_278" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 获取pin的pwm工作频率< / p >
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< h4 id = "_279" > < a name = "user-content-_279" href = "#_279" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.getclock(pin)< / p >
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< h4 id = "_280" > < a name = "user-content-_280" href = "#_280" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_281" > < a name = "user-content-_281" href = "#_281" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > number:pin的pwm工作频率< / p >
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< h4 id = "_282" > < a name = "user-content-_282" href = "#_282" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > getclock< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ))< / span >
< / pre > < / div >
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< h4 id = "_283" > < a name = "user-content-_283" href = "#_283" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_setclock" > pwm.setclock()< / a > < / p >
< p > < a id = "pw_setduty" > < / a > < / p >
< h2 id = "pwmsetduty" > < a name = "user-content-pwmsetduty" href = "#pwmsetduty" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.setduty()< / h2 >
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< h4 id = "_284" > < a name = "user-content-_284" href = "#_284" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置pin的占空比。< / p >
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< h4 id = "_285" > < a name = "user-content-_285" href = "#_285" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.setduty(pin, duty)< / p >
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< h4 id = "_286" > < a name = "user-content-_286" href = "#_286" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< br / > < br / >
duty: 0~100, pwm的占空比， < / p >
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< h4 id = "_287" > < a name = "user-content-_287" href = "#_287" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_288" > < a name = "user-content-_288" href = "#_288" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setduty< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_289" > < a name = "user-content-_289" href = "#_289" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_getduty" > pwm.getduty()< / a > < / p >
< p > < a id = "pw_getduty" > < / a > < / p >
< h2 id = "pwmgetduty" > < a name = "user-content-pwmgetduty" href = "#pwmgetduty" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > pwm.getduty()< / h2 >
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< h4 id = "_290" > < a name = "user-content-_290" href = "#_290" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 获取pin的pwm占空比。< / p >
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< h4 id = "_291" > < a name = "user-content-_291" href = "#_291" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > pwm.getduty(pin)< / p >
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< h4 id = "_292" > < a name = "user-content-_292" href = "#_292" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > pin: 0~11, IO编号< / p >
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< h4 id = "_293" > < a name = "user-content-_293" href = "#_293" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_294" > < a name = "user-content-_294" href = "#_294" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- D0 连接绿色led< / span >
< span class = "c1" > -- D1 连接蓝色led< / span >
< span class = "c1" > -- D2 连接红色led< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setup< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 500< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setup< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 500< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setup< / span > < span class = "p" > (< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "mi" > 500< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "mi" > 2< / span > < span class = "p" > )< / span >
< span class = "k" > function< / span > < span class = "nf" > led< / span > < span class = "p" > (< / span > < span class = "n" > r< / span > < span class = "p" > ,< / span > < span class = "n" > g< / span > < span class = "p" > ,< / span > < span class = "n" > b< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setduty< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "n" > g< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setduty< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "n" > b< / span > < span class = "p" > )< / span >
< span class = "n" > pwm< / span > < span class = "p" > .< / span > < span class = "n" > setduty< / span > < span class = "p" > (< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "n" > r< / span > < span class = "p" > )< / span >
< span class = "k" > end< / span >
< span class = "n" > led< / span > < span class = "p" > (< / span > < span class = "mi" > 50< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span > < span class = "c1" > -- led显示红色< / span >
< span class = "n" > led< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > )< / span > < span class = "c1" > -- led显示蓝色< / span >
< / pre > < / div >
< h4 id = "_295" > < a name = "user-content-_295" href = "#_295" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#pw_setduty" > pwm.setduty()< / a > < / p >
< h1 id = "net" > < a name = "user-content-net" href = "#net" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > net 模块< / h1 >
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< h2 id = "_296" > < a name = "user-content-_296" href = "#_296" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 常量< / h2 >
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< p > net.TCP, net.UDP< / p >
< p > < a id = "nt_createServer" > < / a > < / p >
< h2 id = "netcreateserver" > < a name = "user-content-netcreateserver" href = "#netcreateserver" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > net.createServer()< / h2 >
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< h4 id = "_297" > < a name = "user-content-_297" href = "#_297" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 创建一个server。< / p >
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< h4 id = "_298" > < a name = "user-content-_298" href = "#_298" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
< p > net.createServer(type, timeout)< / p >
< h4 id = "_299" > < a name = "user-content-_299" href = "#_299" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > type: 取值为： < br / > < br / >
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timeout: 1~28800, 当为tcp服务器时， < / p >
< h4 id = "_300" > < a name = "user-content-_300" href = "#_300" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > net.server子模块< / p >
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< h4 id = "_301" > < a name = "user-content-_301" href = "#_301" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > createServer< / span > < span class = "p" > (< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > TCP< / span > < span class = "p" > ,< / span > < span class = "mi" > 30< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_302" > < a name = "user-content-_302" href = "#_302" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createConnection" > net.createConnection()< / a > < / p >
< p > < a id = "nt_createConnection" > < / a > < / p >
< h2 id = "netcreateconnection" > < a name = "user-content-netcreateconnection" href = "#netcreateconnection" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > net.createConnection()< / h2 >
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< h4 id = "_303" > < a name = "user-content-_303" href = "#_303" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 创建一个client。< / p >
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< h4 id = "_304" > < a name = "user-content-_304" href = "#_304" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > net.createConnection(type, secure)< / p >
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< h4 id = "_305" > < a name = "user-content-_305" href = "#_305" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > type: 取值为： < br / > < br / >
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secure: 设置为1或者0, 1代表安全连接， < / p >
< h4 id = "_306" > < a name = "user-content-_306" href = "#_306" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > net.server子模块< / p >
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< h4 id = "_307" > < a name = "user-content-_307" href = "#_307" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > createConnection< / span > < span class = "p" > (< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > UDP< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_308" > < a name = "user-content-_308" href = "#_308" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< h1 id = "netserver" > < a name = "user-content-netserver" href = "#netserver" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > net.server 子模块< / h1 >
< p > < a id = "ns_listen" > < / a > < / p >
< h2 id = "listen" > < a name = "user-content-listen" href = "#listen" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > listen()< / h2 >
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< h4 id = "_309" > < a name = "user-content-_309" href = "#_309" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 侦听指定ip地址的端口。< / p >
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< h4 id = "_310" > < a name = "user-content-_310" href = "#_310" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > net.server.listen(port,[ip],function(net.socket))< / p >
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< h4 id = "_311" > < a name = "user-content-_311" href = "#_311" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > port: 端口号< br / > < br / >
ip:ip地址字符串， < br / > < br / >
function(net.socket): 连接创建成功的回调函数，可以作为参数传给调用函数。< / p >
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< h4 id = "_312" > < a name = "user-content-_312" href = "#_312" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_313" > < a name = "user-content-_313" href = "#_313" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 创建一个server< / span >
< span class = "n" > sv< / span > < span class = "o" > =< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > createServer< / span > < span class = "p" > (< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > TCP< / span > < span class = "p" > ,< / span > < span class = "mi" > 30< / span > < span class = "p" > )< / span > < span class = "c1" > -- 30s 超时< / span >
< span class = "c1" > -- server侦听端口80， ， ‘ ’ < / span >
< span class = "n" > sv< / span > < span class = "p" > :< / span > < span class = "n" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 80< / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > (< / span > < span class = "n" > c< / span > < span class = "p" > )< / span >
< span class = "n" > c< / span > < span class = "p" > :< / span > < span class = "n" > on< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > receive" < / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > (< / span > < span class = "n" > sck< / span > < span class = "p" > ,< / span > < span class = "n" > pl< / span > < span class = "p" > )< / span > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > pl< / span > < span class = "p" > )< / span > < span class = "k" > end< / span > < span class = "p" > )< / span >
< span class = "n" > c< / span > < span class = "p" > :< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > hello world" < / span > < span class = "p" > )< / span >
< span class = "k" > end< / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_314" > < a name = "user-content-_314" href = "#_314" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< p > < a id = "ns_close" > < / a > < / p >
< h2 id = "close" > < a name = "user-content-close" href = "#close" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > close()< / h2 >
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< h4 id = "_315" > < a name = "user-content-_315" href = "#_315" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 关闭server< / p >
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< h4 id = "_316" > < a name = "user-content-_316" href = "#_316" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > net.server.close()< / p >
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< h4 id = "_317" > < a name = "user-content-_317" href = "#_317" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil< / p >
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< h4 id = "_318" > < a name = "user-content-_318" href = "#_318" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_319" > < a name = "user-content-_319" href = "#_319" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "c1" > -- 创建server< / span >
< span class = "n" > sv< / span > < span class = "o" > =< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > createServer< / span > < span class = "p" > (< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > TCP< / span > < span class = "p" > ,< / span > < span class = "mi" > 5< / span > < span class = "p" > )< / span >
< span class = "c1" > -- 关闭server< / span >
< span class = "n" > sv< / span > < span class = "p" > :< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< / pre > < / div >
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< h4 id = "_320" > < a name = "user-content-_320" href = "#_320" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< h1 id = "netsocket" > < a name = "user-content-netsocket" href = "#netsocket" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > net.socket 子模块< / h1 >
< p > < a id = "nk_connect" > < / a > < / p >
< h2 id = "connect" > < a name = "user-content-connect" href = "#connect" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > connect()< / h2 >
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< h4 id = "_321" > < a name = "user-content-_321" href = "#_321" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 连接至远端。< / p >
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< h4 id = "_322" > < a name = "user-content-_322" href = "#_322" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > connect(port, ip)< / p >
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< h4 id = "_323" > < a name = "user-content-_323" href = "#_323" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > port: 端口号< br / > < br / >
ip: ip地址字符串< / p >
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< h4 id = "_324" > < a name = "user-content-_324" href = "#_324" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_325" > < a name = "user-content-_325" href = "#_325" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nk_on" > net.socket:on()< / a > < / p >
< p > < a id = "nk_send" > < / a > < / p >
< h2 id = "send" > < a name = "user-content-send" href = "#send" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > send()< / h2 >
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< h4 id = "_326" > < a name = "user-content-_326" href = "#_326" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 通过连接向远端发送数据。< / p >
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< h4 id = "_327" > < a name = "user-content-_327" href = "#_327" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > send(string, function(sent))< / p >
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< h4 id = "_328" > < a name = "user-content-_328" href = "#_328" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > string: 待发送的字符串< br / > < br / >
function(sent): 发送字符串后的回调函数。< / p >
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< h4 id = "_329" > < a name = "user-content-_329" href = "#_329" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_330" > < a name = "user-content-_330" href = "#_330" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nk_on" > net.socket:on()< / a > < / p >
< p > < a id = "nk_on" > < / a > < / p >
< h2 id = "on" > < a name = "user-content-on" href = "#on" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > on()< / h2 >
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< h4 id = "_331" > < a name = "user-content-_331" href = "#_331" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 向事件注册回调函数。< / p >
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< h4 id = "_332" > < a name = "user-content-_332" href = "#_332" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > on(event, function cb())< / p >
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< h4 id = "_333" > < a name = "user-content-_333" href = "#_333" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > event: 字符串，取值为: “ connection” , “ reconnection” , “ disconnection” , “ receive” , “ sent” < br / > < br / >
function cb(net.socket, [string]): 回调函数。第一个参数是socket.< br / > < br / >
如果事件是” receive” , 第二个参数则为接收到的字符串。< / p >
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< h4 id = "_334" > < a name = "user-content-_334" href = "#_334" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_335" > < a name = "user-content-_335" href = "#_335" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > sk< / span > < span class = "o" > =< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > createConnection< / span > < span class = "p" > (< / span > < span class = "n" > net< / span > < span class = "p" > .< / span > < span class = "n" > TCP< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< span class = "n" > sk< / span > < span class = "p" > :< / span > < span class = "n" > on< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > receive" < / span > < span class = "p" > ,< / span > < span class = "k" > function< / span > < span class = "p" > (< / span > < span class = "n" > sck< / span > < span class = "p" > ,< / span > < span class = "n" > c< / span > < span class = "p" > )< / span > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > c< / span > < span class = "p" > )< / span > < span class = "k" > end< / span > < span class = "p" > )< / span >
< span class = "n" > sk< / span > < span class = "p" > :< / span > < span class = "n" > connect< / span > < span class = "p" > (< / span > < span class = "mi" > 80< / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > 192.168.0.66" < / span > < span class = "p" > )< / span >
< span class = "n" > sk< / span > < span class = "p" > :< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "s" > GET / HTTP/1.1< / span > < span class = "se" > \r\n< / span > < span class = "s" > Host: 192.168.0.66< / span > < span class = "se" > \r\n< / span > < span class = "s" > Connection: keep-alive< / span > < span class = "se" > \r\n< / span > < span class = "s" > Accept: */*< / span > < span class = "se" > \r\n\r\n< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_336" > < a name = "user-content-_336" href = "#_336" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< p > < a id = "nk_close" > < / a > < / p >
< h2 id = "close_1" > < a name = "user-content-close_1" href = "#close_1" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > close()< / h2 >
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< h4 id = "_337" > < a name = "user-content-_337" href = "#_337" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 关闭socket。< / p >
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< h4 id = "_338" > < a name = "user-content-_338" href = "#_338" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > close()< / p >
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< h4 id = "_339" > < a name = "user-content-_339" href = "#_339" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > nil< / p >
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< h4 id = "_340" > < a name = "user-content-_340" href = "#_340" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_341" > < a name = "user-content-_341" href = "#_341" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< p > < a id = "nk_dns" > < / a > < / p >
< h2 id = "dns" > < a name = "user-content-dns" href = "#dns" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > dns()< / h2 >
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< h4 id = "_342" > < a name = "user-content-_342" href = "#_342" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 获取当前域的ip< / p >
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< h4 id = "_343" > < a name = "user-content-_343" href = "#_343" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > dns(domain, function(net.socket, ip))< / p >
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< h4 id = "_344" > < a name = "user-content-_344" href = "#_344" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > domain: 当前域的名称< br / > < br / >
function (net.socket, ip): 回调函数。第一个参数是socket， < / p >
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< h4 id = "_345" > < a name = "user-content-_345" href = "#_345" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_346" > < a name = "user-content-_346" href = "#_346" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#nt_createServer" > net.createServer()< / a > < / p >
< h1 id = "i2c" > < a name = "user-content-i2c" href = "#i2c" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c模块< / h1 >
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< h2 id = "_347" > < a name = "user-content-_347" href = "#_347" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 常量< / h2 >
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< p > i2c.SLOW, i2c.TRANSMITTER, i2c. RECEIVER. FAST（ ） < / p >
< p > < a id = "ic_setup" > < / a > < / p >
< h2 id = "i2csetup" > < a name = "user-content-i2csetup" href = "#i2csetup" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.setup()< / h2 >
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< h4 id = "_348" > < a name = "user-content-_348" href = "#_348" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 初始化i2c。< / p >
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< h4 id = "_349" > < a name = "user-content-_349" href = "#_349" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.setup(id, pinSDA, pinSCL, speed)< / p >
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< h4 id = "_350" > < a name = "user-content-_350" href = "#_350" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id = 0< br / > < br / >
pinSDA: 0~11, IO编号< br / > < br / >
pinSCL: 0~11, IO编号< br / > < br / >
speed: i2c.SLOW< / p >
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< h4 id = "_351" > < a name = "user-content-_351" href = "#_351" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_352" > < a name = "user-content-_352" href = "#_352" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_read" > i2c.read()< / a > < / p >
< p > < a id = "ic_start" > < / a > < / p >
< h2 id = "i2cstart" > < a name = "user-content-i2cstart" href = "#i2cstart" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.start()< / h2 >
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< h4 id = "_353" > < a name = "user-content-_353" href = "#_353" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 启动i2c传输。< / p >
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< h4 id = "_354" > < a name = "user-content-_354" href = "#_354" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.start(id)< / p >
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< h4 id = "_355" > < a name = "user-content-_355" href = "#_355" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id = 0< / p >
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< h4 id = "_356" > < a name = "user-content-_356" href = "#_356" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_357" > < a name = "user-content-_357" href = "#_357" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_read" > i2c.read()< / a > < / p >
< p > < a id = "ic_stop" > < / a > < / p >
< h2 id = "i2cstop" > < a name = "user-content-i2cstop" href = "#i2cstop" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.stop()< / h2 >
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< h4 id = "_358" > < a name = "user-content-_358" href = "#_358" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 停止i2c传输。< / p >
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< h4 id = "_359" > < a name = "user-content-_359" href = "#_359" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.stop(id)< / p >
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< h4 id = "_360" > < a name = "user-content-_360" href = "#_360" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id = 0< / p >
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< h4 id = "_361" > < a name = "user-content-_361" href = "#_361" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_362" > < a name = "user-content-_362" href = "#_362" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_read" > i2c.read()< / a > < / p >
< p > < a id = "ic_address" > < / a > < / p >
< h2 id = "i2caddress" > < a name = "user-content-i2caddress" href = "#i2caddress" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.address()< / h2 >
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< h4 id = "_363" > < a name = "user-content-_363" href = "#_363" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 设置i2c地址以及读写模式。< / p >
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< h4 id = "_364" > < a name = "user-content-_364" href = "#_364" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.address(id, device_addr, direction)< / p >
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< h4 id = "_365" > < a name = "user-content-_365" href = "#_365" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id=0< br / > < br / >
device_addr: 设备地址。< br / > < br / >
direction: i2c.TRANSMITTER： ； ： < / p >
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< h4 id = "_366" > < a name = "user-content-_366" href = "#_366" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_367" > < a name = "user-content-_367" href = "#_367" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_read" > i2c.read()< / a > < / p >
< p > < a id = "ic_write" > < / a > < / p >
< h2 id = "i2cwrite" > < a name = "user-content-i2cwrite" href = "#i2cwrite" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.write()< / h2 >
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< h4 id = "_368" > < a name = "user-content-_368" href = "#_368" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 向i2c写数据。数据可以是多个数字, 字符串或者lua table。< / p >
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< h4 id = "_369" > < a name = "user-content-_369" href = "#_369" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.write(id, data1, data2,… )< / p >
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< h4 id = "_370" > < a name = "user-content-_370" href = "#_370" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id=0< br / > < br / >
data: 数据可以是多个数字, 字符串或者lua table。< / p >
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< h4 id = "_371" > < a name = "user-content-_371" href = "#_371" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > nil< / p >
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< h4 id = "_372" > < a name = "user-content-_372" href = "#_372" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > hello" < / span > < span class = "p" > ,< / span > < span class = "s2" > " < / span > < span class = "s" > world" < / span > < span class = "p" > )< / span >
< / pre > < / div >
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< h4 id = "_373" > < a name = "user-content-_373" href = "#_373" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_read" > i2c.read()< / a > < / p >
< p > < a id = "ic_read" > < / a > < / p >
< h2 id = "i2cread" > < a name = "user-content-i2cread" href = "#i2cread" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > i2c.read()< / h2 >
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< h4 id = "_374" > < a name = "user-content-_374" href = "#_374" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
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< p > 读取len个字节的数据。< / p >
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< h4 id = "_375" > < a name = "user-content-_375" href = "#_375" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > i2c.read(id, len)< / p >
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< h4 id = "_376" > < a name = "user-content-_376" href = "#_376" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id=0< br / > < br / >
len: 数据长度。< / p >
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< h4 id = "_377" > < a name = "user-content-_377" href = "#_377" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > string:接收到的数据。< / p >
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< h4 id = "_378" > < a name = "user-content-_378" href = "#_378" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 示例< / h4 >
< div class = "codehilite" > < pre > < span class = "n" > id< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< span class = "n" > sda< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< span class = "n" > scl< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< span class = "c1" > -- 初始化i2c, 将pin1设置为sda, 将pin0设置为scl< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > setup< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > ,< / span > < span class = "n" > sda< / span > < span class = "p" > ,< / span > < span class = "n" > scl< / span > < span class = "p" > ,< / span > < span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > SLOW< / span > < span class = "p" > )< / span >
< span class = "c1" > -- 用户定义函数:读取地址dev_addr的寄存器reg_addr中的内容。< / span >
< span class = "k" > function< / span > < span class = "nf" > read_reg< / span > < span class = "p" > (< / span > < span class = "n" > dev_addr< / span > < span class = "p" > ,< / span > < span class = "n" > reg_addr< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > address< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > ,< / span > < span class = "n" > dev_addr< / span > < span class = "p" > ,< / span > < span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > TRANSMITTER< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > ,< / span > < span class = "n" > reg_addr< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > stop< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > start< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > address< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > ,< / span > < span class = "n" > dev_addr< / span > < span class = "p" > ,< / span > < span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > RECEIVER< / span > < span class = "p" > )< / span >
< span class = "n" > c< / span > < span class = "o" > =< / span > < span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > read< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > i2c< / span > < span class = "p" > .< / span > < span class = "n" > stop< / span > < span class = "p" > (< / span > < span class = "n" > id< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > c< / span >
< span class = "k" > end< / span >
< span class = "c1" > -- 读取0x77的寄存器0xAA中的内容。< / span >
< span class = "n" > reg< / span > < span class = "o" > =< / span > < span class = "n" > read_reg< / span > < span class = "p" > (< / span > < span class = "mh" > 0x77< / span > < span class = "p" > ,< / span > < span class = "mh" > 0xAA< / span > < span class = "p" > )< / span >
< span class = "n" > pirnt< / span > < span class = "p" > (< / span > < span class = "nb" > string.byte< / span > < span class = "p" > (< / span > < span class = "n" > reg< / span > < span class = "p" > ))< / span >
< / pre > < / div >
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< h4 id = "_379" > < a name = "user-content-_379" href = "#_379" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "#ic_write" > i2c.write()< / a > < / p >
< h1 id = "adc" > < a name = "user-content-adc" href = "#adc" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > adc 模块< / h1 >
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< h2 id = "_380" > < a name = "user-content-_380" href = "#_380" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 常量< / h2 >
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< p > 无< / p >
< p > < a id = "adc_read" > < / a > < / p >
< h2 id = "adcread" > < a name = "user-content-adcread" href = "#adcread" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > adc.read()< / h2 >
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< h4 id = "_381" > < a name = "user-content-_381" href = "#_381" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 描述< / h4 >
< p > 读取adc的值， ， ， ， < / p >
< h4 id = "_382" > < a name = "user-content-_382" href = "#_382" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 语法< / h4 >
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< p > adc.read(id)< / p >
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< h4 id = "_383" > < a name = "user-content-_383" href = "#_383" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参数< / h4 >
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< p > id = 0< br / > < / p >
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< h4 id = "_384" > < a name = "user-content-_384" href = "#_384" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 返回值< / h4 >
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< p > adc 值 10bit， < / p >
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< h4 id = "_385" > < a name = "user-content-_385" href = "#_385" class = "headeranchor-link" aria-hidden = "true" > < span class = "headeranchor" > < / span > < / a > 参见< / h4 >
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< p > < strong > -< / strong > < a href = "" > < / a > < / p > < / article > < / body > < / html >
