2014-10-13 14:24:52 +02:00
|
|
|
|
nodeMcu API说明
|
|
|
|
|
=======
|
|
|
|
|
version 0.1 2014-10-11
|
|
|
|
|
|
|
|
|
|
概述
|
|
|
|
|
------
|
2014-10-13 14:39:28 +02:00
|
|
|
|
nodeMcu 基于Lua 5.1.4,使用者需了解最简单的Lua语法。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
nodeMcu 尽量采用事件驱动的编程模型。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
nodeMcu 内置 timer,pwm,i2c,net,gpio,wifi module。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
nodeMcu对模块的引脚进行编号,gpio,i2c,pwm等模块需要使用引脚编号进行索引。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
###目前的编号对应表格:
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
IO索引编号 ESP8266实际IO IO索引编号 ESP8266实际IO
|
|
|
|
|
0 GPIO12 8 GPIO0
|
|
|
|
|
1 GPIO13 9 GPIO2
|
|
|
|
|
2 GPIO14 10 GPIO4
|
|
|
|
|
3 GPIO15 11 GPIO5
|
|
|
|
|
4 GPIO3
|
|
|
|
|
5 GPIO1
|
|
|
|
|
6 GPIO9
|
|
|
|
|
7 GPIO10
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
###串口波特率
|
|
|
|
|
74880
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
###固件烧写地址:
|
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
eagle.app.v6.flash.bin:0x00000
|
|
|
|
|
eagle.app.v6.irom0text.bin:0x10000
|
|
|
|
|
esp_init_data_default.bin:0x7c000
|
|
|
|
|
blank.bin:0x7e000
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
node module
|
|
|
|
|
------
|
|
|
|
|
node.restart()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:重新启动
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.dsleep( us )
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:深度睡眠 us 微秒,时间到之后将重新启动
|
|
|
|
|
us:时间,单位微秒
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.chipid()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:返回芯片id
|
|
|
|
|
返回:number
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.heap()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:返回可用内存 in bytes
|
|
|
|
|
返回:系统heap剩余
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.format()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:格式化用户flash区
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.startlog( filename, noparse)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:开始记录输入
|
|
|
|
|
filename:log所保存的文件名,不支持目录
|
|
|
|
|
noparse:1表示lua虚拟机不对输入进行解析,0表示lua虚拟机对输入进行解析
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.stoplog()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:结束log
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
例子:录制log到init.lua文件,可以在系统启动之后自动调用该文件。
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
node.format()
|
|
|
|
|
node.startlog(“init.lua”, 1)
|
|
|
|
|
print(“hello world”)
|
|
|
|
|
node.stoplog()
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
此时,文件init.lua内部将含有内容,重启之后,系统执行print(“hello world”)
|
|
|
|
|
|
|
|
|
|
node.readlog( filename)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:读取文件
|
|
|
|
|
filename:log文件名,不支持目录
|
|
|
|
|
返回:读取的内容,字符串形式
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
node.list()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:返回所有文件
|
|
|
|
|
返回:一个包含 <文件名:文件大小> pair 的map
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi module
|
2014-10-13 14:39:28 +02:00
|
|
|
|
-----------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
常量:wifi. STATION, wifi.SOFTAP, wifi.STATIONAP
|
|
|
|
|
|
|
|
|
|
wifi.setmode(mode)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:设置wifi的工作模式
|
|
|
|
|
mode:取值:wifi. STATION, wifi.SOFTAP或wifi.STATIONAP
|
|
|
|
|
返回设置之后的当前mode
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.getmode()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:获取wifi的工作模式
|
|
|
|
|
返回:wifi. STATION, wifi.SOFTAP或wifi.STATIONAP
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.startconfig( channel, function succeed_callback )
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:开始智能配置,若成功自动设置ssid和pwd并退出
|
|
|
|
|
channel:1~13,起始搜索信道。若不指定,默认为6,每个信道搜索20秒
|
|
|
|
|
succeed_callback:配置成功后的回调函数,将在获取密码正确并连接上ap之后调用
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.stopconfig()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:中断智能配置
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station module
|
2014-10-13 14:39:28 +02:00
|
|
|
|
-----------------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
wifi.station.setconfig(ssid, password)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:设置station模式下的ssid和password
|
|
|
|
|
ssid:字符串形式,长度小于32
|
|
|
|
|
password:字符串形式,长度小于64
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station.connect()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:station模式下连接至ap
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station.disconnect()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:station模式下断开与ap的连接
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station.autoconnect(auto)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:station模式下设置自动连接至ap
|
|
|
|
|
auto:0表示设置为不自动连,1表示设置为自动连接
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station.getip()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:station模式下获取ip
|
|
|
|
|
返回:字符串形式的ip,如“192.168.0.2”
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.station.getmac()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:station模式下获取mac
|
|
|
|
|
返回:字符串形式的mac,如“18-33-44-FE-55-BB”
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.ap module
|
2014-10-13 14:39:28 +02:00
|
|
|
|
---------------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
wifi.ap.setconfig(cfg)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:设置station模式下的ssid和password
|
|
|
|
|
cfg:设置需要的map
|
2014-10-13 14:39:28 +02:00
|
|
|
|
|
2014-10-13 14:24:52 +02:00
|
|
|
|
例子:
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
cfg={}
|
|
|
|
|
cfg.ssid=”myssid”
|
|
|
|
|
cfg.pwd=”mypwd”
|
|
|
|
|
wifi.ap.setconfig(cfg)
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi.ap.getip()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:ap模式下获取ip
|
|
|
|
|
返回:字符串形式的ip,如“192.168.0.2”
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
wifi. ap.getmac()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:ap模式下获取mac
|
|
|
|
|
返回:字符串形式的mac,如“1A-33-44-FE-55-BB”
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
gpio module
|
2014-10-13 14:39:28 +02:00
|
|
|
|
-----------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
常量:gpio.OUTPUT, gpio.INPUT, gpio.HIGH, gpio.LOW
|
|
|
|
|
|
|
|
|
|
gpio.mode( pin, mode)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:设置对应pin的输入输出模式,将该pin初始化为gpio模式。
|
|
|
|
|
pin:0~11,IO索引编号
|
|
|
|
|
mode:gpio.OUTPUT或者gpio.INPUT
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
gpio.read(pin)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:读取对应pin的值
|
|
|
|
|
pin:0~11,IO索引编号
|
|
|
|
|
返回:0表示低,1表示高
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
gpio.write(pin, level)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:设置对应pin的值
|
|
|
|
|
pin:0~11,IO索引编号
|
|
|
|
|
level:gpio.HIGH或者gpio.LOW
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
例子:
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
pin=1
|
|
|
|
|
gpio.mode(pin, gpio.OUTPUT)
|
|
|
|
|
gpio.write(pin, gpio.HIGH)
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
将索引1的pin设置为GPIO模式,并设置为高电平。
|
|
|
|
|
|
|
|
|
|
net module
|
2014-10-13 14:39:28 +02:00
|
|
|
|
---------------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
常量:net.TCP, net.UDP
|
|
|
|
|
|
|
|
|
|
net.createServer(type, secure)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:建立一个服务器
|
|
|
|
|
type:net.TCP或 net.UDP
|
|
|
|
|
secure:true 或者 false,表示是否为安全连接
|
|
|
|
|
返回:net.server子模块
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
net.createConnection(type, secure)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:建立一个客户端
|
|
|
|
|
type:net.TCP或 net.UDP
|
|
|
|
|
secure:true 或者 false,表示是否为安全连接
|
|
|
|
|
返回:net. socket子模块
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
net.server module
|
2014-10-13 14:50:24 +02:00
|
|
|
|
-------------
|
|
|
|
|
listen(port,[ip])
|
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:监听某端口
|
|
|
|
|
port:端口号
|
|
|
|
|
ip:可忽略,ip字符串
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
例子:
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
sv=net.createServer(net.TCP, false)
|
|
|
|
|
sv:listen(80)
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
send( string, function(sent) )
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:向连接的客户端发送数据
|
|
|
|
|
string:需要发送的数据字符串
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
on(event, function cb())
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:注册事件的回调函数
|
|
|
|
|
event:字符串,可为:"connection","reconnection","disconnection","receive","sent"
|
|
|
|
|
function cb(net.server sv, [string]):回调函数。第一个参数为服务器本身。
|
|
|
|
|
若event为”receive”, 第二个参数为接收到数据,字符串形式。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
例子:
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
sv=net.createServer(net.TCP, false)
|
|
|
|
|
sv:listen(80)
|
|
|
|
|
sv:on("receive", function(s,c) s:send("Hello, world.") print(c) end )
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
close()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:关闭服务器
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
net.socket module
|
2014-10-13 14:44:26 +02:00
|
|
|
|
-------
|
2014-10-13 14:24:52 +02:00
|
|
|
|
connect(port, ip)
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:连接到某ip和端口
|
|
|
|
|
port:端口号
|
|
|
|
|
ip:ip字符串
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
send( string, function(sent) )
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:向连接发送数据
|
|
|
|
|
string:需要发送的数据字符串
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
on(event, function cb())
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:注册事件的回调函数
|
|
|
|
|
event:字符串,可为:"connection","reconnection","disconnection","receive","sent"
|
|
|
|
|
function cb(net.socket, [string]):回调函数。第一个参数为socket连接本身。
|
|
|
|
|
若event为”receive”, 第二个参数为接收到数据,字符串形式。
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
例子:
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:39:28 +02:00
|
|
|
|
sk=net.createConnection(net.TCP, false)
|
|
|
|
|
sk:on("receive", function(sck, c) print(c) end )
|
|
|
|
|
sk:connect(80,"192.168.0.66")
|
|
|
|
|
sk:send("GET / HTTP/1.1\r\nHost: 192.168.0.66\r\nConnection: keep-alive\r\nAccept: */*\r\n\r\n")
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|
|
|
|
|
close()
|
2014-10-13 14:50:24 +02:00
|
|
|
|
|
2014-10-13 14:44:26 +02:00
|
|
|
|
描述:关闭socket
|
2014-10-13 14:24:52 +02:00
|
|
|
|
|