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Use constant for start_level

This commit is contained in:
Marcel Stör 2016-12-14 08:07:23 +01:00
parent d85f2638cd
commit 1b8e9a33e5
1 changed files with 8 additions and 8 deletions
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16
docs/en/modules/gpio.md
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@ -100,15 +100,15 @@ Note that the synchronous variant (no or nil `callback` parameter) function bloc
#### Example
```lua
gpio.mode(1,gpio.OUTPUT,gpio.PULLUP)
gpio.serout(1,1,{30,30,60,60,30,30}) -- serial one byte, b10110010
gpio.serout(1,1,{30,70},8) -- serial 30% pwm 10k, lasts 8 cycles
gpio.serout(1,1,{3,7},8) -- serial 30% pwm 100k, lasts 8 cycles
gpio.serout(1,1,{0,0},8) -- serial 50% pwm as fast as possible, lasts 8 cycles
gpio.serout(1,0,{20,10,10,20,10,10,10,100}) -- sim uart one byte 0x5A at about 100kbps
gpio.serout(1,1,{8,18},8) -- serial 30% pwm 38k, lasts 8 cycles
gpio.serout(1,gpio.HIGH,{30,30,60,60,30,30}) -- serial one byte, b10110010
gpio.serout(1,gpio.HIGH,{30,70},8) -- serial 30% pwm 10k, lasts 8 cycles
gpio.serout(1,gpio.HIGH,{3,7},8) -- serial 30% pwm 100k, lasts 8 cycles
gpio.serout(1,gpio.HIGH,{0,0},8) -- serial 50% pwm as fast as possible, lasts 8 cycles
gpio.serout(1,gpio.LOW,{20,10,10,20,10,10,10,100}) -- sim uart one byte 0x5A at about 100kbps
gpio.serout(1,gpio.HIGH,{8,18},8) -- serial 30% pwm 38k, lasts 8 cycles
gpio.serout(1,1,{5000,995000},100, function() print("done") end) -- asynchronous 100 flashes 5 ms long every second with a callback function when done
gpio.serout(1,1,{5000,995000},100, 1) -- asynchronous 100 flashes 5 ms long, no callback
gpio.serout(1,gpio.HIGH,{5000,995000},100, function() print("done") end) -- asynchronous 100 flashes 5 ms long every second with a callback function when done
gpio.serout(1,gpio.HIGH,{5000,995000},100, 1) -- asynchronous 100 flashes 5 ms long, no callback
```
## gpio.trig()