diff options
author | Daniel Friesel <derf@finalrewind.org> | 2021-02-14 10:18:08 +0100 |
---|---|---|
committer | Daniel Friesel <derf@finalrewind.org> | 2021-02-14 10:53:33 +0100 |
commit | 09a4248c50708c1e54d32b3a260112d29ea268c1 (patch) | |
tree | 3956f057dd391efc3438b3f2aa42bf1f1ced5591 /src/app/bme680-max44009-logger/main.cc | |
parent | 87c9f081f972443fdbb4bae724f2a1978dc70139 (diff) |
bme680-max44009-logger: improve resilience against bad wiring
Diffstat (limited to 'src/app/bme680-max44009-logger/main.cc')
-rw-r--r-- | src/app/bme680-max44009-logger/main.cc | 99 |
1 files changed, 73 insertions, 26 deletions
diff --git a/src/app/bme680-max44009-logger/main.cc b/src/app/bme680-max44009-logger/main.cc index a8d4c2e..a17959b 100644 --- a/src/app/bme680-max44009-logger/main.cc +++ b/src/app/bme680-max44009-logger/main.cc @@ -15,12 +15,36 @@ #include "driver/bme680_util.h" #include "driver/max44009.h" +#ifdef MULTIPASS_ARCH_arduino_nano +#define POWER_PIN GPIO::pc3 +#endif + struct bme680_field_data data; +float lux; +int8_t bme680_status; void loop(void) { static unsigned char i = 0; + if (lux >= 0 && bme680_status == 0) { + gpio.led_off(0); + } else { + gpio.led_on(0); + } + +#ifdef POWER_PIN + if (lux < 0 || bme680_status != 0) { + if (i == 18) { + kout << "# Cycling power to I2C clients" << endl; + gpio.write(POWER_PIN, 0); + } else if (i == 19) { + gpio.write(POWER_PIN, 1); + } + } +#endif + +#ifdef MULTIPASS_ARCH_arduino_nano if ((i == 1) && (ADCSRA & _BV(ADIF))) { uint8_t adcr_l = ADCL; uint8_t adcr_h = ADCH; @@ -32,20 +56,45 @@ void loop(void) kout << "VCC: " << vcc << endl; } +#endif + + if (i == 0) { + lux = max44009.getLux(); + if (lux >= 0) { + kout << "MAX44009: "; + kout.printf_float(max44009.getLux()); + kout << " lx" << endl; + } else { + kout << "# MAX44009 error" << endl; + } + } if (i == 0) { - bme680.setSensorMode(); + bme680_status = bme680.init(); + kout << "BME680 init " << bme680_status << endl; + + bme680.power_mode = BME680_FORCED_MODE; + bme680.tph_sett.os_hum = BME680_OS_2X; + bme680.tph_sett.os_pres = BME680_OS_16X; + bme680.tph_sett.os_temp = BME680_OS_2X; + + bme680.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS; + bme680.gas_sett.heatr_dur = 100; + bme680.gas_sett.heatr_temp = 300; + bme680.setSensorSettings(BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_GAS_SENSOR_SEL); } - else if (i == 1) { - if (bme680.getSensorData(&data) == 0) { + else if (i == 1 && bme680_status == 0) { + bme680_status = bme680.setSensorMode(); + } + else if (i == 2) { + if (bme680_status == 0 && bme680.getSensorData(&data) == 0) { 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; + } else { + kout << "# BME680 error " << bme680_status << endl; } - kout << "MAX44009: "; - kout.printf_float(max44009.getLux()); - kout << " lx" << endl; } i = (i + 1) % 20; @@ -53,12 +102,25 @@ void loop(void) int main(void) { - unsigned short i = 0; - arch.setup(); gpio.setup(); kout.setup(); +#ifdef POWER_PIN + gpio.output(POWER_PIN); + gpio.write(POWER_PIN, 1); +#endif + +#ifdef MULTIPASS_ARCH_arduino_nano + + kout << "# Reset reason: " << MCUSR << endl; + MCUSR = 0; + + /* watchdog reset after ~4 seconds */ + asm("wdr"); + WDTCSR = _BV(WDCE) | _BV(WDE); + WDTCSR = _BV(WDE) | _BV(WDP3); + // One ADC conversion per four seconds TCCR0A = 0; TCCR0B = _BV(CS12) | _BV(CS10); @@ -67,13 +129,14 @@ int main(void) ADMUX = _BV(REFS0) | 0x0e; ADCSRB = _BV(ADTS2); ADCSRA = _BV(ADEN) | _BV(ADATE) | _BV(ADPS2) | _BV(ADPS1); +#endif if (i2c.setup() != 0) { - kout << "I2C setup failed" << endl; + kout << "# I2C setup failed" << endl; return 1; } - kout << "I2C setup OK" << endl; + kout << "# I2C setup OK" << endl; bme680.intf = BME680_I2C_INTF; bme680.read = bme680_i2c_read; @@ -82,22 +145,6 @@ int main(void) bme680.amb_temp = 25; - int8_t rslt = BME680_OK; - rslt = bme680.init(); - kout << "BME680 init " << rslt << endl; - - bme680.power_mode = BME680_FORCED_MODE; - bme680.tph_sett.os_hum = BME680_OS_2X; - bme680.tph_sett.os_pres = BME680_OS_16X; - bme680.tph_sett.os_temp = BME680_OS_2X; - - bme680.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS; - bme680.gas_sett.heatr_dur = 100; - bme680.gas_sett.heatr_temp = 300; - bme680.setSensorSettings(BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_GAS_SENSOR_SEL); - - arch.delay_ms(200); - arch.idle_loop(); return 0; |