STM32-Player-Doc/STM32H743VI 开发版/STM32H750驱动例程(HAL库)/例18 TFT液晶（2.8寸屏）/HARDWARE/WWDG/wwdg.c

#include "wwdg.h"
#include "delay.h"
#include "led.h"
//////////////////////////////////////////////////////////////////////////////////	 


//<2F><><EFBFBD>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com							  
////////////////////////////////////////////////////////////////////////////////// 

WWDG_HandleTypeDef WWDG_Handler;     //<2F><><EFBFBD>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9><EFBFBD><EFBFBD><EFBFBD>






/**********************************************************************************/

//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF>Ź<EFBFBD> 	
//tr   :T[6:0],<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ 
//wr   :W[6:0],<2C><><EFBFBD><EFBFBD>ֵ 
//fprer:<3A><>Ƶϵ<C6B5><CFB5><EFBFBD><EFBFBD>WDGTB<54><42>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2λ<32><CEBB>Ч 
//Fwwdg=RCC_PCLK3/(4096*2^fprer). һ<><D2BB>RCC_PCLK3=100Mhz

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**********************************************************************************/

void WWDG_Init(u8 tr,u8 wr,u32 fprer)
{
    WWDG_Handler.Instance=WWDG1;
    WWDG_Handler.Init.Prescaler=fprer;  //<2F><><EFBFBD>÷<EFBFBD>Ƶϵ<C6B5><CFB5>
    WWDG_Handler.Init.Window=wr;        //<2F><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>ֵ
    WWDG_Handler.Init.Counter=tr;       //<2F><><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>ֵ
    WWDG_Handler.Init.EWIMode=WWDG_EWI_ENABLE;//ʹ<>ܴ<EFBFBD><DCB4>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> 
    HAL_WWDG_Init(&WWDG_Handler);       //<2F><>ʼ<EFBFBD><CABC>WWDG
}


/**********************************************************************************/

//WWDG<44>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_WWDG_Init()<29><><EFBFBD><EFBFBD>
//hwwdg:<3A><><EFBFBD>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9><EFBFBD><EFBFBD><EFBFBD>

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**********************************************************************************/



void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg)
{
    __HAL_RCC_WWDG1_CLK_ENABLE();            //ʹ<>ܴ<EFBFBD><DCB4>ڿ<EFBFBD><DABF>Ź<EFBFBD>ʱ<EFBFBD><CAB1>
     
    HAL_NVIC_SetPriority(WWDG_IRQn,2,3);    //<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>Ϊ3
    HAL_NVIC_EnableIRQ(WWDG_IRQn);          //ʹ<>ܴ<EFBFBD><DCB4>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9>ж<EFBFBD>
}


/**********************************************************************************/

//<2F><><EFBFBD>ڿ<EFBFBD><DABF>Ź<EFBFBD><C5B9>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**********************************************************************************/


void WWDG_IRQHandler(void)
{
    HAL_WWDG_IRQHandler(&WWDG_Handler);
}




/**********************************************************************************/


//<2F>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_WWDG_IRQHandler()<29><><EFBFBD><EFBFBD>


//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**********************************************************************************/


void HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef* hwwdg)
{
    HAL_WWDG_Refresh(&WWDG_Handler);//<2F><><EFBFBD>´<EFBFBD><C2B4>ڿ<EFBFBD><DABF>Ź<EFBFBD>ֵ
    LED2_Toggle; 
}


























/**********************************************************************************/

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**********************************************************************************/