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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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DHT_U.cpp
+16
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@@ -37,6 +37,9 @@ void DHT_Unified::setName(sensor_t* sensor) {
case DHT11:
strncpy(sensor->name, "DHT11", sizeof(sensor->name) - 1);
break;
case DHT12:
strncpy(sensor->name, "DHT12", sizeof(sensor->name) - 1);
break;
case DHT21:
strncpy(sensor->name, "DHT21", sizeof(sensor->name) - 1);
break;
@@ -57,6 +60,9 @@ void DHT_Unified::setMinDelay(sensor_t* sensor) {
case DHT11:
sensor->min_delay = 1000000L; // 1 second (in microseconds)
break;
case DHT12:
sensor->min_delay = 2000000L; // 1 second (in microseconds)
break;
case DHT21:
sensor->min_delay = 2000000L; // 2 seconds (in microseconds)
break;
@@ -105,6 +111,11 @@ void DHT_Unified::Temperature::getSensor(sensor_t* sensor) {
sensor->min_value = 0.0F;
sensor->resolution = 2.0F;
break;
case DHT12:
sensor->max_value = 60.0F;
sensor->min_value = -20.0F;
sensor->resolution = 0.5F;
break;
case DHT21:
sensor->max_value = 80.0F;
sensor->min_value = -40.0F;
@@ -159,6 +170,11 @@ void DHT_Unified::Humidity::getSensor(sensor_t* sensor) {
sensor->min_value = 20.0F;
sensor->resolution = 5.0F;
break;
case DHT12:
sensor->max_value = 95.0F;
sensor->min_value = 20.0F;
sensor->resolution = 5.0F;
break;
case DHT21:
sensor->max_value = 100.0F;
sensor->min_value = 0.0F;