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Add support for DHT12.

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Change DHT11 temperature resolution to 0.1 instead of 1.
This commit is contained in:
Boyi C
2017-12-12 14:20:26 +08:00
parent c978977718
commit a607a50475
3 changed files with 24 additions and 1 deletions
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8
DHT.cpp
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@ -38,7 +38,12 @@ float DHT::readTemperature(bool S, bool force) {
if (read(force)) {
switch (_type) {
case DHT11:
case DHT12:
f = data[2];
f += (data[3] & 0x0f) * 0.1;
if (data[2] & 0x80) {
f *= -1;
}
if(S) {
f = convertCtoF(f);
}
@ -74,7 +79,8 @@ float DHT::readHumidity(bool force) {
if (read()) {
switch (_type) {
case DHT11:
f = data[0];
case DHT12:
f = data[0] + data[1] * 0.1;
break;
case DHT22:
case DHT21: