meshcore-dev/MeshCore
1
0
Fork 0
mirror of https://github.com/meshcore-dev/MeshCore.git synced 2026-04-20 22:13:47 +00:00
Code Issues Projects Releases Packages Wiki Activity

add support for BMP280 temperature+pressure sensor

Browse source
This commit is contained in:
recrof 2025-06-29 00:17:46 +02:00
parent 5fa6533291
commit 9530744ff4
5 changed files with 69 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

41
src/helpers/sensors/EnvironmentSensorManager.cpp
View file

@ -15,6 +15,16 @@ static Adafruit_AHTX0 AHTX0;
static Adafruit_BME280 BME280;
#endif
#if ENV_INCLUDE_BMP280
#ifndef TELEM_BMP280_ADDRESS
#define TELEM_BMP280_ADDRESS 0x76 // BMP280 environmental sensor I2C address
#endif
#define TELEM_BMP280_SEALEVELPRESSURE_HPA (1013.25) // Athmospheric pressure at sea level
#include <Adafruit_BMP280.h>
static Adafruit_BMP280 BMP280;
#endif
#if ENV_INCLUDE_INA3221
#define TELEM_INA3221_ADDRESS 0x42 // INA3221 3 channel current sensor I2C address
#define TELEM_INA3221_SHUNT_VALUE 0.100 // most variants will have a 0.1 ohm shunts
@ -55,6 +65,17 @@ bool EnvironmentSensorManager::begin() {
}
#endif
#if ENV_INCLUDE_BMP280
if (BMP280.begin(TELEM_BMP280_ADDRESS)) {
MESH_DEBUG_PRINTLN("Found BMP280 at address: %02X", TELEM_BMP280_ADDRESS);
MESH_DEBUG_PRINTLN("BMP sensor ID: %02X", BMP280.sensorID());
BMP280_initialized = true;
} else {
BMP280_initialized = false;
MESH_DEBUG_PRINTLN("BMP280 was not found at I2C address %02X", TELEM_BMP280_ADDRESS);
}
#endif
#if ENV_INCLUDE_INA3221
if (INA3221.begin(TELEM_INA3221_ADDRESS, &Wire)) {
MESH_DEBUG_PRINTLN("Found INA3221 at address: %02X", TELEM_INA3221_ADDRESS);
@ -97,7 +118,7 @@ bool EnvironmentSensorManager::querySensors(uint8_t requester_permissions, Cayen
sensors_event_t humidity, temp;
AHTX0.getEvent(&humidity, &temp);
telemetry.addTemperature(TELEM_CHANNEL_SELF, temp.temperature);
telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, humidity.relative_humidity);
telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, humidity.relative_humidity);
}
#endif
@ -110,6 +131,14 @@ bool EnvironmentSensorManager::querySensors(uint8_t requester_permissions, Cayen
}
#endif
#if ENV_INCLUDE_BMP280
if (BMP280_initialized) {
telemetry.addTemperature(TELEM_CHANNEL_SELF, BMP280.readTemperature());
telemetry.addBarometricPressure(TELEM_CHANNEL_SELF, BMP280.readPressure());
telemetry.addAltitude(TELEM_CHANNEL_SELF, BME280.readAltitude(TELEM_BME280_SEALEVELPRESSURE_HPA));
}
#endif
#if ENV_INCLUDE_INA3221
if (INA3221_initialized) {
for(int i = 0; i < TELEM_INA3221_NUM_CHANNELS; i++) {
@ -152,7 +181,7 @@ int EnvironmentSensorManager::getNumSettings() const {
const char* EnvironmentSensorManager::getSettingName(int i) const {
#if ENV_INCLUDE_GPS
return (gps_detected && i == 0) ? "gps" : NULL;
#else
#else
return NULL;
#endif
}
@ -184,7 +213,7 @@ bool EnvironmentSensorManager::setSettingValue(const char* name, const char* val
void EnvironmentSensorManager::initBasicGPS() {
Serial1.setPins(PIN_GPS_TX, PIN_GPS_RX);
#ifdef GPS_BAUD_RATE
Serial1.begin(GPS_BAUD_RATE);
#else
@ -200,7 +229,7 @@ void EnvironmentSensorManager::initBasicGPS() {
#ifndef PIN_GPS_EN
MESH_DEBUG_PRINTLN("No GPS wake/reset pin found for this board. Continuing on...");
#endif
// Give GPS a moment to power up and send data
delay(1000);
@ -226,7 +255,7 @@ void EnvironmentSensorManager::start_gps() {
gps_active = true;
#ifdef PIN_GPS_EN
pinMode(PIN_GPS_EN, OUTPUT);
digitalWrite(PIN_GPS_EN, HIGH);
digitalWrite(PIN_GPS_EN, HIGH);
return;
#endif
@ -241,7 +270,7 @@ void EnvironmentSensorManager::stop_gps() {
return;
#endif
MESH_DEBUG_PRINTLN("Stop GPS is N/A on this board. Actual GPS state unchanged");
MESH_DEBUG_PRINTLN("Stop GPS is N/A on this board. Actual GPS state unchanged");
}
void EnvironmentSensorManager::loop() {

5
src/helpers/sensors/EnvironmentSensorManager.h
View file

@ -10,9 +10,10 @@ protected:
bool AHTX0_initialized = false;
bool BME280_initialized = false;
bool BMP280_initialized = false;
bool INA3221_initialized = false;
bool INA219_initialized = false;
bool gps_detected = false;
bool gps_active = false;
@ -31,7 +32,7 @@ public:
EnvironmentSensorManager(){};
#endif
bool begin() override;
bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
#if ENV_INCLUDE_GPS
void loop() override;
#endif