watchdog_reset.c 1.1 KB

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  1. // Copyright 2021 IOsetting <iosetting(at)outlook.com>
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. /***
  15. * Demo: Watchdog Reset
  16. */
  17. #include "fw_hal.h"
  18. int main(void)
  19. {
  20. uint8_t count = 9;
  21. SYS_SetClock();
  22. UART1_Config8bitUart(UART1_BaudSource_Timer2, HAL_State_ON, 115200);
  23. UART1_TxString("Watchdog test restarted\r\n");
  24. /**
  25. * Set countdown time to around 3 seconds(FOSC = 36.864MHz)
  26. */
  27. WDT_SetCounterPrescaler(0x07);
  28. WDT_StartWatchDog();
  29. while(1)
  30. {
  31. UART1_TxString("Countdown: ");
  32. UART1_TxHex(count--);
  33. UART1_TxString("\r\n");
  34. SYS_Delay(1000);
  35. }
  36. }