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esp32-weatherstation
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cleanup, check if sensors available

ir
Hendrik Langer 5 years ago
parent
1b96c58381
commit
d3c9002051
1 changed files with 77 additions and 59 deletions
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  1. 136
      src/main.cpp

136
src/main.cpp
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@ -44,7 +44,9 @@ XD0OTA ota("esp32-weatherstation");
XD0MQTT mqtt; XD0MQTT mqtt;
uint32_t lastDisplayUpdate = 0; uint32_t lastDisplayUpdate = 0;
bool bme_active = false;
bool uv_active = false;
bool sds_active = false;
void helloWorld() void helloWorld()
{ {
@ -96,6 +98,7 @@ void getTime(char* ptr, size_t maxsize, const char* format) {
void printValues() { void printValues() {
if (bme_active) {
#define SEALEVELPRESSURE_HPA (1013.25) #define SEALEVELPRESSURE_HPA (1013.25)
Serial.print("Temperature = "); Serial.print("Temperature = ");
Serial.print(bme.readTemperature()); Serial.print(bme.readTemperature());
@ -115,6 +118,58 @@ void printValues() {
Serial.println(" %"); Serial.println(" %");
Serial.println(); Serial.println();
}
if (uv_active) {
Serial.print("UV Index reading: "); Serial.println(uv.readUVI());
Serial.print("Raw UVA reading: "); Serial.println(uv.readUVA());
Serial.print("Raw UVB reading: "); Serial.println(uv.readUVB());
}
if (sds_active) {
PmResult pm = sds.readPm();
if (pm.isOk()) {
Serial.print("PM2.5 = ");
Serial.print(pm.pm25);
Serial.print(", PM10 = ");
Serial.println(pm.pm10);
// if you want to just print the measured values, you can use toString() method as well
Serial.println(pm.toString());
} else {
Serial.print("Could not read values from sensor, reason: ");
Serial.println(pm.statusToString());
}
}
}
void sendValues() {
/* send values MQTT */
if (bme_active) {
String topic_temperature = String("thomas/sensor/") + ota.getMAC() + String("/temperature");
String topic_humidity = String("thomas/sensor/") + ota.getMAC() + String("/humidity");
String topic_pressure = String("thomas/sensor/") + ota.getMAC() + String("/pressure");
char temperature[8]; sprintf(temperature, "%.2f", bme.readTemperature());
char humidity[7]; sprintf(humidity, "%.2f", bme.readHumidity());
char pressure[8]; sprintf(pressure, "%.2f", bme.readPressure() / 100.0F);
mqtt.publish(topic_temperature.c_str(), temperature, sizeof(temperature));
mqtt.publish(topic_humidity.c_str(), humidity, sizeof(humidity));
mqtt.publish(topic_pressure.c_str(), pressure, sizeof(pressure));
}
if (uv_active) {
String topic_uvi = String("thomas/sensor/") + ota.getMAC() + String("/uvi");
String topic_uva = String("thomas/sensor/") + ota.getMAC() + String("/uva");
String topic_uvb = String("thomas/sensor/") + ota.getMAC() + String("/uvb");
char uvi[10]; sprintf(uvi, "%.2f", uv.readUVI());
char uva[10]; sprintf(uva, "%.2f", uv.readUVA());
char uvb[10]; sprintf(uvb, "%.2f", uv.readUVB());
mqtt.publish(topic_uvi.c_str(), uvi, sizeof(uvi));
mqtt.publish(topic_uvi.c_str(), uvi, sizeof(uva));
mqtt.publish(topic_uvi.c_str(), uvi, sizeof(uvb));
}
} }
/** /**
@ -139,7 +194,9 @@ void setup()
#define BME_SDA 21 #define BME_SDA 21
#define BME_SCL 22 #define BME_SCL 22
Wire.begin(BME_SDA, BME_SCL); Wire.begin(BME_SDA, BME_SCL);
if (!bme.begin()) { if (bme.begin()) {
bme_active = true;
} else {
ESP_LOGE(TAG, "Could not find a valid BME280 sensor, check wiring!"); ESP_LOGE(TAG, "Could not find a valid BME280 sensor, check wiring!");
} }
/* /*
@ -151,11 +208,14 @@ void setup()
bme.setGasHeater(320, 150); // 320*C for 150 ms bme.setGasHeater(320, 150); // 320*C for 150 ms
*/ */
if (! uv.begin()) { if (uv.begin()) {
uv_active = true;
} else {
Serial.println("Failed to communicate with VEML6075 sensor, check wiring?"); Serial.println("Failed to communicate with VEML6075 sensor, check wiring?");
} }
sds.begin(); sds.begin();
sds_active = true; // ToDo
display.clearScreen(); display.clearScreen();
display.refresh(); display.refresh();
@ -218,15 +278,19 @@ void loop()
display.println("ESP32-Wetterstation"); display.println("ESP32-Wetterstation");
display.drawFastHLine(0, 14, display.width(), GxEPD_BLACK); display.drawFastHLine(0, 14, display.width(), GxEPD_BLACK);
display.setCursor(0, 32); display.setCursor(0, 32);
display.print("Temperatur: "); if (bme_active) {
display.print(bme.readTemperature()); display.print("Temperatur: ");
display.println(" *C"); display.print(bme.readTemperature());
display.print("Luftfeuchte: "); display.println(" *C");
display.print(bme.readHumidity()); display.print("Luftfeuchte: ");
display.println(" %"); display.print(bme.readHumidity());
display.print("Luftdruck:"); display.println(" %");
display.print(bme.readPressure() / 100.0F); display.print("Luftdruck:");
display.println(" hPa"); display.print(bme.readPressure() / 100.0F);
display.println(" hPa");
} else {
display.println("kein BME280");
}
char timeStr[9]; char timeStr[9];
getTime(timeStr, sizeof(timeStr), "%H:%M:%S"); getTime(timeStr, sizeof(timeStr), "%H:%M:%S");
@ -238,57 +302,11 @@ void loop()
while (display.nextPage()); while (display.nextPage());
display.powerOff(); display.powerOff();
/* send values MQTT */
String topic_temperature = String("thomas/sensor/") + ota.getMAC() + String("/temperature");
String topic_humidity = String("thomas/sensor/") + ota.getMAC() + String("/humidity");
String topic_pressure = String("thomas/sensor/") + ota.getMAC() + String("/pressure");
char temperature[8]; sprintf(temperature, "%.2f", bme.readTemperature());
char humidity[7]; sprintf(humidity, "%.2f", bme.readHumidity());
char pressure[8]; sprintf(pressure, "%.2f", bme.readPressure() / 100.0F);
mqtt.publish(topic_temperature.c_str(), temperature, sizeof(temperature));
mqtt.publish(topic_humidity.c_str(), humidity, sizeof(humidity));
mqtt.publish(topic_pressure.c_str(), pressure, sizeof(pressure));
}
/*
unsigned long endTime = bme.beginReading();
if (! bme.performReading()) {
ESP_LOGE(TAG, "BME680: Failed to perform reading :(");
return;
}
Serial.print("Temperature = "); Serial.print(bme.temperature); Serial.println(" *C");
display.print("Temperature: "); display.print(bme.temperature); display.println(" *C");
Serial.print("Pressure = "); Serial.print(bme.pressure / 100.0); Serial.println(" hPa");
display.print("Pressure: "); display.print(bme.pressure / 100); display.println(" hPa");
Serial.print("Humidity = "); Serial.print(bme.humidity); Serial.println(" %");
display.print("Humidity: "); display.print(bme.humidity); display.println(" %");
Serial.print("Gas = "); Serial.print(bme.gas_resistance / 1000.0); Serial.println(" KOhms");
display.print("Gas: "); display.print(bme.gas_resistance / 1000.0); display.println(" KOhms");
*/
PmResult pm = sds.readPm();
if (pm.isOk()) {
Serial.print("PM2.5 = ");
Serial.print(pm.pm25);
Serial.print(", PM10 = ");
Serial.println(pm.pm10);
// if you want to just print the measured values, you can use toString() method as well
Serial.println(pm.toString());
} else {
Serial.print("Could not read values from sensor, reason: ");
Serial.println(pm.statusToString());
} }
printValues(); printValues();
sendValues();
Serial.print("UV Index reading: "); Serial.println(uv.readUVI());
Serial.print("Raw UVA reading: "); Serial.println(uv.readUVA());
Serial.print("Raw UVB reading: "); Serial.println(uv.readUVB());
if(wifiMulti.run() != WL_CONNECTED) { if(wifiMulti.run() != WL_CONNECTED) {
Serial.println("WiFi not connected!"); Serial.println("WiFi not connected!");

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