static int wdt_nrf_setup(struct device *dev, u8_t options)
{
nrf_wdt_behaviour_t behaviour;
ARG_UNUSED(dev);
/* Activate all available options. Run in all cases. */
behaviour = NRF_WDT_BEHAVIOUR_RUN_SLEEP_HALT;
/* Deactivate running in sleep mode. */
if (options & WDT_OPT_PAUSE_IN_SLEEP) {
behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_SLEEP;
}
/* Deactivate running when debugger is attached. */
if (options & WDT_OPT_PAUSE_HALTED_BY_DBG) {
behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_HALT;
}
nrf_wdt_behaviour_set(behaviour);
/* The watchdog timer is driven by the LFCLK clock running at 32768 Hz.
* The timeout value given in milliseconds needs to be converted here
* to watchdog ticks.*/
nrf_wdt_reload_value_set(
(uint32_t)(((uint64_t)m_timeout * 32768) / 1000));
nrfx_wdt_enable();
return 0;
}
ret_code_t nrf_drv_wdt_init(nrf_drv_wdt_config_t const * p_config,
nrf_wdt_event_handler_t wdt_event_handler)
{
ASSERT(wdt_event_handler != NULL);
ret_code_t err_code;
m_wdt_event_handler = wdt_event_handler;
if (m_state == NRF_DRV_STATE_UNINITIALIZED)
{
m_state = NRF_DRV_STATE_INITIALIZED;
}
else
{
err_code = NRF_ERROR_INVALID_STATE;
NRF_LOG_WARNING("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)ERR_TO_STR(err_code));
return err_code;
}
if (p_config == NULL)
{
p_config = &m_default_config;
}
nrf_wdt_behaviour_set(p_config->behaviour);
nrf_wdt_reload_value_set((p_config->reload_value * 32768) / 1000);
nrf_drv_common_irq_enable(WDT_IRQn, p_config->interrupt_priority);
err_code = NRF_SUCCESS;
NRF_LOG_INFO("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)ERR_TO_STR(err_code));
return err_code;
}
