Ollo/HomieRoomSensor
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Temperatur is visualized via an LED, too

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Ollo 2021-11-17 22:07:42 +01:00
parent 903d34b871
commit 4d161fe711
1 changed files with 12 additions and 0 deletions
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12
src/main.cpp
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@ -48,6 +48,8 @@
#define MQTT_LOG_INFO 20
#define MQTT_LOG_DEBUG 90
#define TEMPBORDER 20
#define getTopic(test, topic) \
char *topic = new char[strlen(Homie.getConfiguration().mqtt.baseTopic) + strlen(Homie.getConfiguration().deviceId) + 1 + strlen(test) + 1]; \
strcpy(topic, Homie.getConfiguration().mqtt.baseTopic); \
@ -83,6 +85,7 @@ HomieNode pressureNode(NODE_PRESSURE, "Pressure", "Room Pressure");
HomieNode altitudeNode(NODE_ALTITUDE, "Altitude", "Room altitude");
HomieSetting<bool> i2cEnable("i2c", "BMP280 sensor present");
HomieSetting<bool> rgbTemp("rgbTemp", "Show temperatur via red (>20 °C) and blue (< 20°C)");
static SoftwareSerial pmSerial(SENSOR_PM1006_RX, SENSOR_PM1006_TX);
Adafruit_BMP280 bmp; // connected via I2C
@ -176,6 +179,14 @@ void bmpPublishValues() {
temperatureNode.setProperty(NODE_TEMPERATUR).send(String(bmp.readTemperature()));
pressureNode.setProperty(NODE_PRESSURE).send(String(bmp.readPressure() / 100.0F));
altitudeNode.setProperty(NODE_ALTITUDE).send(String(bmp.readAltitude(SEALEVELPRESSURE_HPA)));
if (rgbTemp.get()) {
if (bmp.readTemperature() < TEMPBORDER) {
strip.setPixelColor(0, strip.Color(0,0,255));
} else {
strip.setPixelColor(0, strip.Color(255,0,0));
}
strip.show();
}
}
/**
@ -235,6 +246,7 @@ void setup()
Homie.setLoopFunction(loopHandler);
Homie.onEvent(onHomieEvent);
i2cEnable.setDefaultValue(false);
rgbTemp.setDefaultValue(false);
memset(serialRxBuf, 0, 80);
pmSerial.begin(PM1006_BIT_RATE);