This commit is contained in:
funshine 2014-12-09 14:24:51 +08:00
commit 30a7274083
2 changed files with 42 additions and 7 deletions

View File

@ -1,15 +1,20 @@
#DS18B20 模块 #DS18B20 模块
##引用 ##引用
```lua
ds18b20 = require("ds18b20") ds18b20 = require("ds18b20")
```
#释放
```lua
ds18b20 = nil
package.loaded["ds18b20"]=nil
```
##常量 ##常量
C, F, K C, F, K
<a id="ds18b20_setup"></a> <a id="ds18b20_setup"></a>
##setup() ##setup()
####描述 ####描述
设置DS18B20所在的Pin<br /> 设置DS18B20所在的管脚(pin)<br />
####语法 ####语法
setup(pin) setup(pin)
@ -24,6 +29,10 @@ nil
```lua ```lua
ds18b20 = require("ds18b20") ds18b20 = require("ds18b20")
ds18b20.setup(9) ds18b20.setup(9)
-- Don't forget release it after use
ds18b20 = nil
package.loaded["ds18b20"]=nil
``` ```
####参见 ####参见
@ -51,6 +60,10 @@ addrs = ds18b20.addrs()
if (addrs ~= nil) then if (addrs ~= nil) then
print("Total DS18B20 sensors: "..table.getn(addrs)) print("Total DS18B20 sensors: "..table.getn(addrs))
end end
-- Don't forget release it after use
ds18b20 = nil
package.loaded["ds18b20"]=nil
``` ```
####参见 ####参见
@ -94,6 +107,10 @@ print(t.readNumber())
print(t.readNumber(nil,t.F)) print(t.readNumber(nil,t.F))
-- Read as values -- Read as values
t1, t2 = t.readNumber() t1, t2 = t.readNumber()
-- Don't forget release it after use
t = nil
package.loaded["ds18b20"]=nil
``` ```
####参见 ####参见
**-** []() **-** []()
@ -132,7 +149,9 @@ print(t.read(addrs[2],t.K))
print(t.read()) print(t.read())
-- Just read as centigrade -- Just read as centigrade
print(t.read(nil,t.C)) print(t.read(nil,t.C))
-- Don't forget release it after use
t = nil
package.loaded["ds18b20"]=nil
``` ```
####参见 ####参见
**-** []() **-** []()

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@ -1,8 +1,13 @@
#DS18B20 Module #DS18B20 Module
##Require ##Require
```lua
ds18b20 = require("ds18b20") ds18b20 = require("ds18b20")
```
## Release
```lua
ds18b20 = nil
package.loaded["ds18b20"]=nil
```
##Constant ##Constant
C, F, K C, F, K
@ -24,6 +29,9 @@ nil
```lua ```lua
ds18b20 = require("ds18b20") ds18b20 = require("ds18b20")
ds18b20.setup(9) ds18b20.setup(9)
-- Don't forget release it after use
ds18b20 = nil
package.loaded["ds18b20"]=nil
``` ```
####See also ####See also
@ -51,6 +59,9 @@ addrs = ds18b20.addrs()
if (addrs ~= nil) then if (addrs ~= nil) then
print("Total DS18B20 sensors: "..table.getn(addrs)) print("Total DS18B20 sensors: "..table.getn(addrs))
end end
-- Don't forget release it after use
ds18b20 = nil
package.loaded["ds18b20"]=nil
``` ```
####See also ####See also
@ -94,6 +105,9 @@ print(t.readNumber())
print(t.readNumber(nil,t.F)) print(t.readNumber(nil,t.F))
-- Read as values -- Read as values
t1, t2 = t.readNumber() t1, t2 = t.readNumber()
-- Don't forget release it after use
t = nil
package.loaded["ds18b20"]=nil
``` ```
####See also ####See also
**-** []() **-** []()
@ -132,7 +146,9 @@ print(t.read(addrs[2],t.K))
print(t.read()) print(t.read())
-- Just read as centigrade -- Just read as centigrade
print(t.read(nil,t.C)) print(t.read(nil,t.C))
-- Don't forget release it after use
t = nil
package.loaded["ds18b20"]=nil
``` ```
####See also ####See also
**-** []() **-** []()