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- #include "nrf_bootloader_wdt.h"
- #include "nrf_wdt.h"
- #include "nrf_bootloader_dfu_timers.h"
- #include "nrf_log_ctrl.h"
- #define NRF_LOG_MODULE_NAME nrf_bootloader_wdt
- #include "nrf_log.h"
- NRF_LOG_MODULE_REGISTER();
- static void wdt_feed(void)
- {
- if (nrf_wdt_started())
- {
- for (nrf_wdt_rr_register_t i = NRF_WDT_RR0; i < NRF_WDT_RR7; i++)
- {
- if (nrf_wdt_reload_request_is_enabled(i))
- {
- nrf_wdt_reload_request_set(i);
- }
- }
- }
- }
- static void wdt_feed_timer_handler(void)
- {
- NRF_LOG_INFO("Internal feed");
- wdt_feed();
- }
- void WDT_IRQHandler(void)
- {
- nrf_wdt_event_clear(NRF_WDT_EVENT_TIMEOUT);
- NRF_LOG_FINAL_FLUSH();
- }
- #define MAX_FLASH_OP_TIME_TICKS 3200
- void nrf_bootloader_wdt_init(void)
- {
- static bool initialized = false;
- if (initialized)
- {
- return;
- }
- if (nrf_wdt_started())
- {
- uint32_t wdt_ticks = nrf_wdt_reload_value_get();
- NRF_LOG_INFO("WDT enabled CRV:%d ticks", wdt_ticks);
-
- uint32_t reduced_timeout_ticks = MAX((int32_t)wdt_ticks - MAX_FLASH_OP_TIME_TICKS,
- NRF_BOOTLOADER_MIN_TIMEOUT_TICKS);
-
- wdt_feed();
- NRF_LOG_INFO("Starting a timer (%d ticks) for feeding watchdog.", reduced_timeout_ticks);
- nrf_bootloader_wdt_feed_timer_start(reduced_timeout_ticks, wdt_feed_timer_handler);
- NVIC_EnableIRQ(WDT_IRQn);
- }
- else
- {
- NRF_LOG_INFO("WDT is not enabled");
- }
- initialized = true;
- }
- void nrf_bootloader_wdt_feed(void)
- {
- if (nrf_wdt_started())
- {
- wdt_feed();
- }
- }
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