Hello,
I am using nRF52833 based BE33 (Celium Devices) and using nRF52SDK17.0.2. I am trying to implement my firmware which will consume less current. I have implemented SYSTEM_ON sleep and it consumes average current consumption <~100 uA BLE is ON.
Next, I have implemented an nRF Timer and have noticed that if I uncomment out the timer code which has nothing is written (idle) in its handler executing after every 10 seconds is consuming around average 500uA+ means a total 600uA average. but when I comment it out then I am getting above <~100uA current average.
It should go into SYSTEM_ON sleep mode during that 10 seconds.
Here is my timer code:
void timer0_handler(nrf_timer_event_t event_type, void *p_context)
{
switch (event_type)
{
case NRF_TIMER_EVENT_COMPARE3:{
break;
}
default:
break;
}
}
void timer_init(){
const nrfx_timer_t TIMER_LED = NRFX_TIMER_INSTANCE(3); // Timer 0 Enabled
uint32_t time_ms = LOADCELL_ACT_INTERVAL*1000; //Time(in miliseconds) between consecutive compare events.
uint32_t time_ticks;
uint32_t err_code = NRF_SUCCESS;
nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
err_code = nrf_drv_timer_init(&TIMER_LED, &timer_cfg, timer0_handler);
APP_ERROR_CHECK(err_code);
time_ticks = nrf_drv_timer_ms_to_ticks(&TIMER_LED, time_ms);
nrf_drv_timer_extended_compare(
&TIMER_LED, NRF_TIMER_CC_CHANNEL3, time_ticks, NRF_TIMER_SHORT_COMPARE3_CLEAR_MASK, true);
nrf_drv_timer_enable(&TIMER_LED);
}
int main(void)
{
power_management_init();
startBLEAdvertising();
timer_init();
for (;;)
{
idle_state_handle();
}
}
Please help me.
Thanks and regards,
Neeraj Dhekale
