rt-thread/bsp/yichip/yc3122-pos/Libraries/sdk/yc_wdt.c

106 lines
2.1 KiB
C

/*
* Copyright (c) 2006-2020, YICHIP Development Team
* @file yc_wdt.c
* @brief This file provides all the WDT firmware functions.
*
* Change Logs:
* Date Author Version Notes
* 2021-01-04 yangzhengfeng V1.0.0 the first version
*/
#include "yc_wdt.h"
/**
* @brief Set WDT Clk Div
* @param Wdtclkdiv: Wdtclkdiv value equal 1 to 16
* @retval none
*/
void WDT_CLKDIV(uint32_t Wdtclkdiv)
{
_ASSERT(IS_WDT_CLKDI(Wdtclkdiv));
MWDT->CONFIG.bit.CLK_DIV = Wdtclkdiv;
}
/**
* @brief Set reload counter
* @param Reload: Reload counter equal to 2 to 31
* @retval none
*/
void WDT_SetReload(uint32_t Reload)
{
_ASSERT(IS_WDT_RELOAD(Reload));
MWDT->CONFIG.bit.RELOAD = Reload;
}
/**
* @brief Feed the watchdog function
* @param none
* @retval none
*/
void WDT_ReloadCounter(void)
{
MWDT->KICK.reg = COUNTER_RELOAD_KEY;
}
/**
* @brief Enable WDT
* @param none
* @retval none
*/
void WDT_Enable(void)
{
MWDT->CONFIG.bit.EN = ENABLE;
}
/**
* @brief Set WDT mode
* @param WDT_Mode : Select the following values :
* WDT_CPUReset
* WDT_Interrupt.
* @retval none
* @description If Select WDT_CPUReset Mode,the bit for WDT RESET will be set;if
* Select WDT_Interrupt the bit for WDT RESET will
*/
void WDT_ModeConfig(WDT_ModeTypeDef WDT_Mode)
{
_ASSERT(IS_WDT_MODE(WDT_Mode));
if(WDT_CPUReset == WDT_Mode)
{
MWDT->CONFIG.bit.MODE = WDT_CPUReset;
MRSTGEN->RST_EN.bit.WDT = ENABLE;
}
else if(WDT_Interrupt == WDT_Mode)
{
MWDT->CONFIG.bit.MODE = WDT_Interrupt;
MRSTGEN->RST_EN.bit.WDT = DISABLE;
}
}
/**
* @brief Get interrupt Status
* @param none
* @retval SET:interrupt ocuured.
*/
uint8_t WDT_GetITStatus(void)
{
uint16_t ret;
ret = MWDT->IRQ_STATUS.bit.STATE;
return ret ;
}
/**
* @brief Clear interrupt
* @param none
* @retval none
*/
void WDT_ClearITPendingBit(void)
{
MWDT->CLEAR.reg = 1;
}
/************************ (C) COPYRIGHT Yichip Microelectronics *****END OF FILE****/