wio_e5 : bme280 support

variants/wio-e5-mini/platformio.ini

@@ -10,6 +10,8 @@ build_flags = ${stm32_base.build_flags}
   -I variants/wio-e5-mini
 build_src_filter = ${stm32_base.build_src_filter}
   +<../variants/wio-e5-mini>
+lib_deps = ${stm32_base.lib_deps}
+  finitespace/BME280 @ ^3.0.0
 
 [env:wio-e5-mini-repeater]
 extends = lora_e5_mini

variants/wio-e5-mini/target.cpp

@@ -18,20 +18,15 @@ static const Module::RfSwitchMode_t rfswitch_table[] = {
 };
 
 VolatileRTCClock rtc_clock;
-SensorManager sensors;
+BME280I2C bme;   
+WIOE5SensorManager sensors(bme);
 
 #ifndef LORA_CR
   #define LORA_CR      5
 #endif
 
 bool radio_init() {
-//  rtc_clock.begin(Wire);
-  
-// #ifdef SX126X_DIO3_TCXO_VOLTAGE
-//   float tcxo = SX126X_DIO3_TCXO_VOLTAGE;
-// #else
-//   float tcxo = 1.6f;
-// #endif
+  Wire.begin();
 
   radio.setRfSwitchTable(rfswitch_pins, rfswitch_table);
 
@@ -71,3 +66,26 @@ mesh::LocalIdentity radio_new_identity() {
   RadioNoiseListener rng(radio);
   return mesh::LocalIdentity(&rng);  // create new random identity
 }
+
+bool WIOE5SensorManager::querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) { 
+  if (!has_bme) return false;
+
+  float temp(NAN), hum(NAN), pres(NAN);
+
+  BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
+  BME280::PresUnit presUnit(BME280::PresUnit_bar);
+
+  _bme->read(pres, temp, hum, tempUnit, presUnit);
+
+  telemetry.addTemperature(TELEM_CHANNEL_SELF, temp);
+  telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, hum);
+  telemetry.addBarometricPressure(TELEM_CHANNEL_SELF, pres);
+
+  return true; 
+}
+
+bool WIOE5SensorManager::begin() {
+  has_bme = _bme->begin();
+
+  return has_bme;
+}

variants/wio-e5-mini/target.h

@@ -8,6 +8,9 @@
 #include <helpers/ArduinoHelpers.h>
 #include <helpers/SensorManager.h>
 
+#include <BME280I2C.h>
+#include <Wire.h>
+
 class WIOE5Board : public STM32Board {
 public:
     const char* getManufacturerName() const override {
@@ -21,10 +24,20 @@ public:
     }
 };
 
+class WIOE5SensorManager : public SensorManager {
+    BME280I2C* _bme;
+    bool has_bme = false;   
+
+public:
+    WIOE5SensorManager(BME280I2C& bme) : _bme(&bme) {}
+    bool begin() override;
+    bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
+};
+
 extern WIOE5Board board;
 extern WRAPPER_CLASS radio_driver;
 extern VolatileRTCClock rtc_clock;
-extern SensorManager sensors;
+extern WIOE5SensorManager sensors;
 
 bool radio_init();
 uint32_t radio_get_rng_seed();