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Avoid storing the settings of bme280 globally

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This commit is contained in:
Michael Bisbjerg 2024-05-13 20:22:31 +02:00
parent bd10a9aa26
commit 60075f6e8c
1 changed files with 19 additions and 19 deletions
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38
usermods/BME280_v2/usermod_bme280.h
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@ -24,6 +24,7 @@ private:
uint8_t PressureDecimals = 0; // Number of decimal places in published pressure values
uint16_t TemperatureInterval = 5; // Interval to measure temperature (and humidity, dew point if available) in seconds
uint16_t PressureInterval = 300; // Interval to measure pressure in seconds
BME280I2C::I2CAddr I2CAddress = BME280I2C::I2CAddr_0x76; // i2c address, defaults to 0x76
bool PublishAlways = false; // Publish values even when they have not changed
bool UseCelsius = true; // Use Celsius for Reporting
bool HomeAssistantDiscovery = false; // Publish Home Assistant Device Information
@ -35,20 +36,7 @@ private:
#endif
bool initDone = false;
// BME280 sensor settings
BME280I2C::Settings settings{
BME280::OSR_X16, // Temperature oversampling x16
BME280::OSR_X16, // Humidity oversampling x16
BME280::OSR_X16, // Pressure oversampling x16
// Defaults
BME280::Mode_Forced,
BME280::StandbyTime_1000ms,
BME280::Filter_Off,
BME280::SpiEnable_False,
BME280I2C::I2CAddr_0x76 // I2C address. I2C specific. Default 0x76
};
BME280I2C bme{settings};
BME280I2C bme;
uint8_t sensorType;
@ -183,6 +171,19 @@ private:
void initializeBmeComms()
{
BME280I2C::Settings settings{
BME280::OSR_X16, // Temperature oversampling x16
BME280::OSR_X16, // Humidity oversampling x16
BME280::OSR_X16, // Pressure oversampling x16
BME280::Mode_Forced,
BME280::StandbyTime_1000ms,
BME280::Filter_Off,
BME280::SpiEnable_False,
I2CAddress
};
bme.setSettings(settings);
if (!bme.begin())
{
sensorType = 0;
@ -213,7 +214,7 @@ public:
if (i2c_scl<0 || i2c_sda<0) { enabled = false; sensorType = 0; return; }
initializeBmeComms();
initDone=true;
initDone = true;
}
void loop()
@ -403,7 +404,7 @@ public:
{
JsonObject top = root.createNestedObject(FPSTR(_name));
top[FPSTR(_enabled)] = enabled;
top[F("I2CAddress")] = static_cast<uint8_t>(settings.bme280Addr);
top[F("I2CAddress")] = static_cast<uint8_t>(I2CAddress);
top[F("TemperatureDecimals")] = TemperatureDecimals;
top[F("HumidityDecimals")] = HumidityDecimals;
top[F("PressureDecimals")] = PressureDecimals;
@ -433,6 +434,8 @@ public:
// A 3-argument getJsonValue() assigns the 3rd argument as a default value if the Json value is missing
uint8_t tmpI2cAddress;
configComplete &= getJsonValue(top[F("I2CAddress")], tmpI2cAddress, 0x76);
I2CAddress = static_cast<BME280I2C::I2CAddr>(tmpI2cAddress);
configComplete &= getJsonValue(top[F("TemperatureDecimals")], TemperatureDecimals, 1);
configComplete &= getJsonValue(top[F("HumidityDecimals")], HumidityDecimals, 0);
configComplete &= getJsonValue(top[F("PressureDecimals")], PressureDecimals, 0);
@ -442,9 +445,6 @@ public:
configComplete &= getJsonValue(top[F("UseCelsius")], UseCelsius, true);
configComplete &= getJsonValue(top[F("HomeAssistantDiscovery")], HomeAssistantDiscovery, false);
settings.bme280Addr = static_cast<BME280I2C::I2CAddr>(tmpI2cAddress);
bme.setSettings(settings);
DEBUG_PRINT(FPSTR(_name));
if (!initDone) {
// first run: reading from cfg.json