72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
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/***********************************************************************
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* Filename : HAL_IWDT.c
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* Description : HAL IWDT driver source file
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* Author(s) : CWT
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* version : V1.0
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* Modify date : 2020-04-17
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***********************************************************************/
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#include "ACM32Fxx_HAL.h"
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HAL_StatusTypeDef HAL_IWDT_Init(IWDT_HandleTypeDef * hidt)
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{
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if (hidt == NULL)
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{
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return HAL_ERROR;
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}
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System_Delay(1);
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System_Enable_Disable_RTC_Domain_Access(FUNC_ENABLE);
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System_Enable_RC32K();
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System_Enable_Disable_Reset(RESET_ENABLE_SOURCE_IWDT, FUNC_ENABLE);
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/*Enable IWDT */
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hidt->Instance->CMDR = IWDT_ENABLE_COMMAND;
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System_Delay(10);
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/*Enable Write */
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hidt->Instance->CMDR = IWDT_WRITE_ENABLE_COMMAND;
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System_Delay(10);
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hidt->Instance->PR = hidt->Init.Prescaler;
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hidt->Instance->RLR = hidt->Init.Reload;
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hidt->Instance->WINR = hidt->Init.Window;
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hidt->Instance->WUTR = hidt->Init.Wakeup;
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System_Delay(1);
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while(hidt->Instance->SR & (0x0F)){}; // wait for configuration done
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if (hidt->Init.Reload > hidt->Init.Wakeup)
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{
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/*Enable Wake up */
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hidt->Instance->CMDR = IWDT_WAKEUP_ENABLE_COMMAND;
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}
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hidt->Instance->CMDR = IWDT_RELOAD_COMMAND;
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System_Delay(1);
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while(hidt->Instance->SR & (1 << 4)){};
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return HAL_OK;
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}
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HAL_StatusTypeDef HAL_IWDT_Kick_Watchdog_Wait_For_Done(IWDT_HandleTypeDef * hidt)
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{
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hidt->Instance->CMDR = IWDT_RELOAD_COMMAND;
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System_Delay(1);
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while(hidt->Instance->SR & (1 << 4)){}; //wait for kick watchdog done
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return HAL_OK;
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}
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