DeltaLima
28df687bf9
PCB lives now in its own git repo https://git.la10cy.net/DeltaLima/CanGrow-12V-PCB
98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
/*
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*
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* include/Sensor/00_ADC_builtin.h - sensor header for BME680 I2C sensor
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*
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*
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*
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*/
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#include <Adafruit_BME680.h>
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#define SENSOR_03_NAME "BME680"
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/* available addresses in byte array, default is at 0 */
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const byte Sensor_03_BME680_Addr[] = { 0x77, 0x76 };
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Adafruit_BME680 BME680[sizeof(Sensor_03_BME680_Addr)];
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unsigned long BME680_endtime[sizeof(Sensor_03_BME680_Addr)];
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/*struct Sensor_03_BME680 {
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float humidity;
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float temperature;
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float pressure;
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float altitude;
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float gas_resistance;
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};
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*/
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/* creation of BME680 Value Struct, as many as addresses */
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/*Sensor_03_BME680 Sensor_03_BME680_Data[sizeof(Sensor_03_BME680_Addr)];*/
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float Sensor_03_BME680[sizeof(Sensor_03_BME680_Addr)][5];
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/* for async read of BME680 we need to trigger a new reading cycle (as adafruit doc says) */
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void Sensor_03_BME680_BeginReading(const byte AddrId) {
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const static char LogLoc[] PROGMEM = "[Sensor:03_BME680:BeginReading]";
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#ifdef DEBUG3
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Log.warning(F("%s Start reading %u , finishing %u (0x%x)" CR), LogLoc, millis(), BME680_endtime[AddrId], Sensor_03_BME680_Addr[AddrId]);
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#endif
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// Tell BME680 to begin measurement.
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BME680_endtime[AddrId] = BME680[AddrId].beginReading();
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if(BME680_endtime[AddrId] == 0) {
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Log.warning(F("%s Failed to begin reading (0x%x)" CR), LogLoc, Sensor_03_BME680_Addr[AddrId]);
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}
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}
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void Sensor_03_BME680_Update(const byte AddrId) {
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const static char LogLoc[] PROGMEM = "[Sensor:03_BME680:Update]";
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#ifdef DEBUG3
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Log.warning(F("%s Start reading %u , finishing %u (0x%x)" CR), LogLoc, millis(), BME680_endtime[AddrId], Sensor_03_BME680_Addr[AddrId]);
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#endif
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if(!BME680[AddrId].endReading()) {
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Log.warning(F("%s Failed to complete reading (0x%x)" CR), LogLoc, Sensor_03_BME680_Addr[AddrId]);
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return;
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}
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Sensor_03_BME680[AddrId][0] = BME680[AddrId].readTemperature();
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Sensor_03_BME680[AddrId][1] = BME680[AddrId].readHumidity();
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Sensor_03_BME680[AddrId][2] = BME680[AddrId].readPressure() / 1000;
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Sensor_03_BME680[AddrId][3] = BME680[AddrId].readAltitude(SEALEVELPRESSURE_HPA);
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Sensor_03_BME680[AddrId][4] = BME680[AddrId].gas_resistance / 1000.0;
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/* begin new reading cycle */
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Sensor_03_BME680_BeginReading(AddrId);
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}
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bool Sensor_03_BME680_Init(const byte AddrId) {
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const static char LogLoc[] PROGMEM = "[Sensor:03_BME680:Init]";
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bool returnCode;
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//Log.notice(F("%s Init at addr 0x%x (%d)" CR), LogLoc, Sensor_03_BME680_Addr[AddrId], AddrId);
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if(BME680[AddrId].begin(Sensor_03_BME680_Addr[AddrId])) {
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Log.notice(F("%s found at addr 0x%x" CR), LogLoc, Sensor_03_BME680_Addr[AddrId]);
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// Set up oversampling and filter initialization
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BME680[AddrId].setTemperatureOversampling(BME680_OS_8X);
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BME680[AddrId].setHumidityOversampling(BME680_OS_2X);
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BME680[AddrId].setPressureOversampling(BME680_OS_4X);
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BME680[AddrId].setIIRFilterSize(BME680_FILTER_SIZE_3);
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BME680[AddrId].setGasHeater(320, 150); // 320*C for 150 ms
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/* start to do readings here, like shown in async example
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* https://github.com/adafruit/Adafruit_BME680/blob/master/examples/bme680async/bme680async.ino */
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Sensor_03_BME680_BeginReading(AddrId);
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Sensor_03_BME680_Update(AddrId);
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returnCode = true;
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} else {
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Log.error(F("%s FAILED! Not found at addr 0x%x" CR), LogLoc, Sensor_03_BME680_Addr[AddrId]);
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returnCode = false;
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}
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return returnCode;
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}
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