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bme autodetect

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richonguzman
2024-05-13 14:00:07 -04:00
parent 7753618756
commit f1e712a363
7 changed files with 149 additions and 104 deletions
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206
src/bme_utils.cpp
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@@ -4,66 +4,118 @@
#include "display.h"
#define SEALEVELPRESSURE_HPA (1013.25)
#define HEIGHT_CORRECTION 0 // in meters
#define CORRECTION_FACTOR (8.2296) // for meters
extern Configuration Config;
extern String fifthLine;
extern uint32_t bmeLastReading;
float newHum, newTemp, newPress, newGas;
bool bmeSensorFound = false;
int wxModuleType = 0;
uint8_t wxModuleAddress = 0x00;
Adafruit_BME280 bme280;
Adafruit_BME680 bme680;
#ifdef HELTEC_V3_GPS
Adafruit_BMP280 bmp280(&Wire1);
#else
Adafruit_BMP280 bmp280;
#endif
namespace BME_Utils {
#ifdef BME280Sensor
Adafruit_BME280 bme;
#endif
#ifdef BMP280Sensor
Adafruit_BMP280 bme;
#endif
#ifdef BME680Sensor
Adafruit_BME680 bme;
#endif
void getWxModuleAddres() {
uint8_t err, addr;
for(addr = 1; addr < 0x7F; addr++) {
#ifdef HELTEC_V3
Wire1.beginTransmission(addr);
err = Wire1.endTransmission();
#else
Wire.beginTransmission(addr);
err = Wire.endTransmission();
#endif
if (err == 0) {
if (addr == 0x76 || addr == 0x77) {
wxModuleAddress = addr;
return;
}
}
}
}
void setup() {
if (Config.bme.active) {
bool status;
status = bme.begin(0x76); // Don't forget to join pins for righ direction on BME280!
if (!status) {
Serial.println("Could not find a valid BME280 or BMP280 sensor, check wiring!");
show_display("ERROR", "", "BME/BMP sensor active", "but no sensor found...", 2000);
} else {
#ifdef BME280Sensor
bme.setSampling(Adafruit_BME280::MODE_FORCED,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::FILTER_OFF
);
Serial.println("init : BME280 Module ... done!");
getWxModuleAddres();
if (wxModuleAddress != 0x00) {
bool wxModuleFound = false;
#ifdef HELTEC_V3
if (bme280.begin(wxModuleAddress, &Wire1)) {
Serial.println("BME280 sensor found");
wxModuleType = 1;
wxModuleFound = true;
}
if (!wxModuleFound) {
if (bme680.begin(wxModuleAddress, &Wire1)) {
Serial.println("BME680 sensor found");
wxModuleType = 3;
wxModuleFound = true;
}
}
#else
if (bme280.begin(wxModuleAddress)) {
Serial.println("BME280 sensor found");
wxModuleType = 1;
wxModuleFound = true;
}
if (!wxModuleFound) {
if (bme680.begin(wxModuleAddress)) {
Serial.println("BME680 sensor found");
wxModuleType = 3;
wxModuleFound = true;
}
}
#endif
#ifdef BMP280Sensor
bme.setSampling(Adafruit_BMP280::MODE_FORCED,
Adafruit_BMP280::SAMPLING_X1,
Adafruit_BMP280::SAMPLING_X1,
Adafruit_BMP280::FILTER_OFF
);
Serial.println("init : BMP280 Module ... done!");
#endif
#ifdef BME680Sensor
bme.setTemperatureOversampling(BME680_OS_1X);
bme.setHumidityOversampling(BME680_OS_1X);
bme.setPressureOversampling(BME680_OS_1X);
bme.setIIRFilterSize(BME680_FILTER_SIZE_0);
Serial.println("init : BME680 Module ... done!");
#endif
bmeSensorFound = true;
}
} else {
Serial.println("(BME/BMP sensor not 'active' in 'igate_conf.json')");
if (!wxModuleFound) {
if (bmp280.begin(wxModuleAddress)) {
Serial.println("BMP280 sensor found");
wxModuleType = 2;
wxModuleFound = true;
}
}
if (!wxModuleFound) {
show_display("ERROR", "", "BME/BMP sensor active", "but no sensor found...", 2000);
Serial.println("BME/BMP sensor Active in config but not found! Check Wiring");
} else {
switch (wxModuleType) {
case 1:
bme280.setSampling(Adafruit_BME280::MODE_FORCED,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::FILTER_OFF
);
Serial.println("BME280 Module init done!");
break;
case 2:
bmp280.setSampling(Adafruit_BMP280::MODE_FORCED,
Adafruit_BMP280::SAMPLING_X1,
Adafruit_BMP280::SAMPLING_X1,
Adafruit_BMP280::FILTER_OFF
);
Serial.println("BMP280 Module init done!");
break;
case 3:
bme680.setTemperatureOversampling(BME680_OS_1X);
bme680.setHumidityOversampling(BME680_OS_1X);
bme680.setPressureOversampling(BME680_OS_1X);
bme680.setIIRFilterSize(BME680_FILTER_SIZE_0);
Serial.println("BMP680 Module init done!");
break;
}
}
}
}
}
@@ -133,34 +185,31 @@ namespace BME_Utils {
String readDataSensor() {
String wx, tempStr, humStr, presStr;
uint32_t lastReading = millis() - bmeLastReading;
if (lastReading > 60*1000) {
#if defined(BME280Sensor) || defined(BMP280Sensor)
bme.takeForcedMeasurement();
newTemp = bme.readTemperature();
newPress = (bme.readPressure() / 100.0F);
#ifdef BME280Sensor
newHum = bme.readHumidity();
#endif
#ifdef BMP280Sensor
newHum = 0;
#endif
#endif
#ifdef BME680Sensor
bme.performReading();
switch (wxModuleType) {
case 1: // BME280
bme280.takeForcedMeasurement();
newTemp = bme280.readTemperature();
newPress = (bme280.readPressure() / 100.0F);
newHum = bme280.readHumidity();
break;
case 2: // BMP280
bmp280.takeForcedMeasurement();
newTemp = bmp280.readTemperature();
newPress = (bmp280.readPressure() / 100.0F);
newHum = 0;
break;
case 3: // BME680
bme680.performReading();
delay(50);
if (bme.endReading()) {
newTemp = bme.temperature;
newPress = (bme.pressure / 100.0F);
newHum = bme.humidity;
newGas = bme.gas_resistance / 1000.0; // in Kilo ohms
if (bme680.endReading()) {
newTemp = bme680.temperature;
newPress = (bme680.pressure / 100.0F);
newHum = bme680.humidity;
newGas = bme680.gas_resistance / 1000.0; // in Kilo ohms
}
#endif
bmeLastReading = millis();
}
break;
}
if (isnan(newTemp) || isnan(newHum) || isnan(newPress)) {
Serial.println("BME/BMP Module data failed");
wx = ".../...g...t...r...p...P...h..b.....";
@@ -168,18 +217,17 @@ namespace BME_Utils {
return wx;
} else {
tempStr = generateTempString((newTemp * 1.8) + 32);
#if defined(BME280Sensor) || defined(BME680Sensor)
if (wxModuleType == 1 || wxModuleType == 3) {
humStr = generateHumString(newHum);
#endif
#ifdef BMP280Sensor
} else if (wxModuleType == 2) {
humStr = "..";
#endif
presStr = generatePresString(newPress + (HEIGHT_CORRECTION/CORRECTION_FACTOR));
}
presStr = generatePresString(newPress + (Config.bme.heightCorrection/CORRECTION_FACTOR));
fifthLine = "BME-> " + String(int(newTemp))+"C " + humStr + "% " + presStr.substring(0,4) + "hPa";
wx = ".../...g...t" + tempStr + "r...p...P...h" + humStr + "b" + presStr;
#ifdef BME680Sensor
wx += "Gas: " + String(newGas) + "Kohms ";
#endif
if (wxModuleType == 3) {
wx += "Gas: " + String(newGas) + "Kohms";
}
return wx;
}
}