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未验证 提交 3faf6ab9 编写于 作者: L Laurent Ellerbach 提交者： GitHub
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Fixing DHT InputPullUp to Input only (#1293) 

* Fixing DHT InputPullUp

* Adjusting pinmode
上级 51b50dd6
隐藏空白更改
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Showing with 2 addition and 1 deletion
src/devices/Dhtxx/DhtBase.cs
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...@@ -145,6 +145,7 @@ namespace Iot.Device.DHTxx ...@@ -145,6 +145,7 @@ namespace Iot.Device.DHTxx
byte readVal = 0; byte readVal = 0;
uint count; uint count;
var pinMode = _controller.IsPinModeSupported(_pin, PinMode.InputPullUp) ? PinMode.InputPullUp : PinMode.Input;
// keep data line HIGH // keep data line HIGH
_controller.SetPinMode(_pin, PinMode.Output); _controller.SetPinMode(_pin, PinMode.Output);
...@@ -162,7 +163,7 @@ namespace Iot.Device.DHTxx ...@@ -162,7 +163,7 @@ namespace Iot.Device.DHTxx
// wait 20 - 40 microseconds // wait 20 - 40 microseconds
DelayHelper.DelayMicroseconds(30, true); DelayHelper.DelayMicroseconds(30, true);
_controller.SetPinMode(_pin, PinMode.InputPullUp); _controller.SetPinMode(_pin, pinMode);
// DHT corresponding signal - LOW - about 80 microseconds // DHT corresponding signal - LOW - about 80 microseconds
count = _loopCount; count = _loopCount;
......
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