diff options
| author | Daniel Friesel <daniel.friesel@uos.de> | 2019-09-23 12:53:07 +0200 |
|---|---|---|
| committer | Daniel Friesel <daniel.friesel@uos.de> | 2019-09-23 12:53:07 +0200 |
| commit | a5c6adc46d696233bc67e25ac2146173dd6ee8b2 (patch) | |
| tree | c10354d47bf545bfa0a8de5827088032b58f0198 /src/app/i2cdetect | |
| parent | 9fbfe1c5dcb12c47e6a408818dc815e3dd856518 (diff) | |
Add Bosch SensorTec BME680 driver + utilities
Diffstat (limited to 'src/app/i2cdetect')
| -rw-r--r-- | src/app/i2cdetect/main.cc | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/app/i2cdetect/main.cc b/src/app/i2cdetect/main.cc index a31dbc9..2b30b47 100644 --- a/src/app/i2cdetect/main.cc +++ b/src/app/i2cdetect/main.cc @@ -12,6 +12,10 @@ #ifdef DRIVER_AM2320 #include "driver/am2320.h" #endif +#ifdef DRIVER_BME680 +#include "driver/bme680.h" +#include "driver/bme680_util.h" +#endif #ifdef DRIVER_CCS811 #include "driver/ccs811.h" #endif @@ -42,6 +46,41 @@ void loop(void) kout << "AM2320 error " << dec << am2320.getStatus() << endl; } #endif +#ifdef DRIVER_BME680 + struct bme680_dev gas_sensor; + + gas_sensor.dev_id = BME680_I2C_ADDR_SECONDARY; + gas_sensor.intf = BME680_I2C_INTF; + gas_sensor.read = bme680_i2c_read; + gas_sensor.write = bme680_i2c_write; + gas_sensor.delay_ms = bme680_delay_ms; + /* amb_temp can be set to 25 prior to configuring the gas sensor + * or by performing a few temperature readings without operating the gas sensor. + */ + gas_sensor.amb_temp = 25; + + int8_t rslt = BME680_OK; + rslt = bme680_init(&gas_sensor); + kout << "BME680 init " << rslt << endl; + + gas_sensor.power_mode = BME680_FORCED_MODE; + gas_sensor.tph_sett.os_hum = BME680_OS_1X; + gas_sensor.tph_sett.os_pres = BME680_OS_16X; + gas_sensor.tph_sett.os_temp = BME680_OS_2X; + + gas_sensor.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS; + gas_sensor.gas_sett.heatr_dur = 150; + gas_sensor.gas_sett.heatr_temp = 300; + bme680_set_sensor_settings(BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_GAS_SENSOR_SEL, &gas_sensor); + bme680_set_sensor_mode(&gas_sensor); + arch.delay_ms(500); + struct bme680_field_data data; + bme680_get_sensor_data(&data, &gas_sensor); + kout << "BME680 temperature " << (float)data.temperature / 100 << " degC" << endl; + kout << "BME680 humidity " << (float)data.humidity / 1000 << " %" << endl; + kout << "BME680 pressure " << (float)data.pressure / 100 << " hPa" << endl; + kout << "BME680 gas resistance " << data.gas_resistance << endl; +#endif #ifdef DRIVER_CCS811 kout << "CCS811 status is " << ccs811.check() << endl; #endif |