uint16_t battery_adc_read_once(void)
{
uint32_t adc_result = 0;
uint16_t batt_lvl_in_milli_volts=0;
battery_start();
nrf_delay_ms(10);
while( !(NRF_ADC->EVENTS_END) ) {
nrf_delay_ms(10);
}
NRF_ADC->EVENTS_END = 0;
adc_result = NRF_ADC->RESULT;
NRF_ADC->TASKS_STOP = 1;
#if DEBUG_UART_EN
// DbgPrintf("adc_result:%d\r\n",adc_result);
#endif
//*batt_lvl_in_milli_volts = ((uint32_t)(ADC_RESULT_IN_MILLI_VOLTS(adc_result)) & 0xffff);
batt_lvl_in_milli_volts = ((uint32_t)(ADC_RESULT_IN_MILLI_VOLTS(adc_result)) & 0xffff);
#if DEBUG_UART_EN
// DbgPrintf("milli_volts:%d\r\n",batt_lvl_in_milli_volts);
#endif
//when charging, battery voltage need adjust
// if(charger_status()!= NoCharge) {
//batt_lvl_in_milli_volts += BATTERY_VOLTAGE_ADJUSTMENT;
// }
return batt_lvl_in_milli_volts;
}
/**@brief Battery measurement timer timeout handler.
*
* @details This function will be called each time the battery level measurement timer expires.
* This function will start the ADC.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void battery_level_meas_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
battery_start();
}