If I enable watchdog in main applicatio it cause bootloader to reboot

[Spartak]

When I enable watchdog in main application by:

nrf_drv_wdt_config_t config = NRF_DRV_WDT_DEAFULT_CONFIG;
err_code = nrf_drv_wdt_init(&config, wdt_event_handler);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_wdt_channel_alloc(&m_channel_id);
APP_ERROR_CHECK(err_code);
nrf_drv_wdt_enable();

it cause bootloader to reboot, so I can't enter to dfu mode.

How to make it possible - to enter dfu while in maonn app WDT is enabled?

[Spartak]

I found a solution:

static void timer_init(void)
{
static bool m_timer_initialized;

if (!m_timer_initialized)
{
/*if (!nrf_clock_lf_is_running())
{
lfclk_config(); //VG 20200211 for init of LFCLK with external Oscillator
}*/

NRF_CLOCK->EVENTS_LFCLKSTARTED = 0; //20200511 Modified as per Nordic's suggestions. Solves the RTC2 Starting issue
NRF_CLOCK->TASKS_LFCLKSTART = 1;
while (NRF_CLOCK->EVENTS_LFCLKSTARTED == 0) {}
NRF_RTC0->TASKS_STOP = 0;

nrf_rtc_event_clear(RTC_STRUCT, NRF_RTC_EVENT_TICK);
nrf_rtc_event_clear(RTC_STRUCT, NRF_RTC_EVENT_COMPARE_0);
nrf_rtc_event_clear(RTC_STRUCT, NRF_RTC_EVENT_COMPARE_1);
NRFX_IRQ_PRIORITY_SET(RTC_IRQn, 5);
NRFX_IRQ_ENABLE(RTC_IRQn);
nrf_rtc_prescaler_set(RTC_STRUCT, RTC_PRESCALER);
nrf_rtc_task_trigger(RTC_STRUCT, NRF_RTC_TASK_CLEAR);
nrf_rtc_task_trigger(RTC_STRUCT, NRF_RTC_TASK_START);
nrf_rtc_int_enable(RTC_STRUCT, RTC_INTENSET_OVRFLW_Msk);

m_timer_initialized = true;
}
}

The problem is in timer that is working from RTC2.

[Øyvind]

Hello, 

Sorry for the late response. The technical support team at Nordic is currently out in summer vacation and we are somewhat low on resources. Is it working now? 

Kind regards,
Øyvind

[Spartak]

Yes. Thank you.