void HardwareInit()
{
// Set this only if nRF is power at 2V or more
//nrf_power_dcdcen_set(true);
NRF_POWER->DCDCEN = 1;
IOPinCfg(s_GpioPins, s_NbGpioPins);
IOPinClear(0, BLUEIO_TAG_BME680_LED2_BLUE_PIN);
IOPinClear(0, BLUEIO_TAG_BME680_LED2_GREEN_PIN);
IOPinClear(0, BLUEIO_TAG_BME680_LED2_RED_PIN);
g_Timer.Init(s_TimerCfg);
// Initialize I2C
#ifdef NEBLINA_MODULE
g_Spi.Init(s_SpiCfg);
#else
g_I2c.Init(s_I2cCfg);
#endif
bsec_library_return_t bsec_status;
// NOTE : For BME680 air quality calculation, this library is require to be initialized
// before initializing the sensor driver.
bsec_status = bsec_init();
if (bsec_status != BSEC_OK)
{
printf("BSEC init failed\r\n");
return;
}
// Inititalize sensor
g_TphSensor.Init(s_TphSensorCfg, g_pIntrf, &g_Timer);
// g_TphSensor.Disable();
// g_I2c.Disable();
// while(1) __WFE();
if (g_TphSensor.DeviceID() == BME680_ID)
{
g_GasSensor.Init(s_GasSensorCfg, g_pIntrf, NULL);
}
g_TphSensor.StartSampling();
usDelay(300000);
// Update sensor data
TPHSENSOR_DATA tphdata;
g_TphSensor.Read(tphdata);
if (g_TphSensor.DeviceID() == BME680_ID)
{
GASSENSOR_DATA gdata;
g_GasSensor.Read(gdata);
}
g_TphSensor.StartSampling();
g_AdvData.Type = BLEADV_MANDATA_TYPE_TPH;
// Do memcpy to adv data. Due to byte alignment, cannot read directly into
// adv data
memcpy(g_AdvData.Data, ((uint8_t*)&tphdata) + sizeof(tphdata.Timestamp), sizeof(BLEADV_MANDATA_TPHSENSOR));
g_I2c.Disable();
#ifdef NRF52_SERIES
g_Adc.Init(s_AdcCfg);
g_Adc.OpenChannel(s_ChanCfg, s_NbChan);
g_Adc.StartConversion();
#endif
#ifdef USE_TIMER_UPDATE
// Only with SDK14
uint64_t period = g_Timer.EnableTimerTrigger(0, 500UL, TIMER_TRIG_TYPE_CONTINUOUS);
#endif
}
void ReadPTHData()
{
static uint32_t gascnt = 0;
TPHSENSOR_DATA data;
GASSENSOR_DATA gdata;
#if 1
g_I2c.Enable();
g_TphSensor.Read(data);
/*
if (g_TphSensor.DeviceID() == BME680_ID && (gascnt & 0x3) == 0)
{
g_GasSensor.Read(gdata);
}
*/
if ((gascnt & 0xf) == 0)
{
#ifdef NRF52_SERIES
g_Adc.Enable();
g_Adc.OpenChannel(s_ChanCfg, s_NbChan);
g_Adc.StartConversion();
g_AdvData.Type = BLEADV_MANDATA_TYPE_BAT;
memcpy(&g_AdvBat, &g_BatData, sizeof(BLUEIO_DATA_BAT));
#endif
}
else if ((gascnt & 0x3) == 0)
{
BLEADV_MANDATA_GASSENSOR gas;
g_GasSensor.Read(gdata);
g_AdvData.Type = BLEADV_MANDATA_TYPE_GAS;
gas.GasRes = gdata.GasRes[gdata.MeasIdx];
gas.AirQIdx = gdata.AirQualIdx;
memcpy(&g_GasData, &gas, sizeof(BLEADV_MANDATA_GASSENSOR));
g_TphSensor.StartSampling();
}
else
{
g_AdvData.Type = BLEADV_MANDATA_TYPE_TPH;
// NOTE : M0 does not access unaligned data
// use local 4 bytes align stack variable then mem copy
// skip timestamp as advertising pack is limited in size
memcpy(&g_TPHData, ((uint8_t*)&data) + sizeof(data.Timestamp), sizeof(BLEADV_MANDATA_TPHSENSOR));
}
// g_TphSensor.StartSampling();
g_I2c.Disable();
#ifdef NRF52_SERIES
g_Adc.Enable();
g_Adc.OpenChannel(s_ChanCfg, s_NbChan);
g_Adc.StartConversion();
#endif
#endif
// Update advertisement data
BleAppAdvManDataSet(g_AdvDataBuff, sizeof(g_AdvDataBuff), NULL, 0);
// BleAppAdvManDataSet((uint8_t*)&gascnt, sizeof(gascnt), NULL, 0);
gascnt++;
}