/* Copyright Statement:
 *
 * This software/firmware and related documentation ("AutoChips Software") are
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 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
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/******************************************************************************
 * @version: V1.0.0  demo
 ******************************************************************************/

/*!
* @file  wdg_sample.c
*
* @brief This file provides WDG basic configuration.
*
*/

/* ===========================================  Includes  =========================================== */
#include "wdg_sample.h"
#include "string.h"

/* ============================================  Define  ============================================ */

/* ===========================================  Typedef  ============================================ */

/* ==========================================  Variables  =========================================== */

/* ====================================  Functions declaration  ===================================== */

/* ======================================  Functions define  ======================================== */
/*!
 * @brief     配置看门狗超时值为5s(Stop模式下需要超时两次才复位，即Stop模式下实际为10s复位)
 *
 * @param[in] none
 *
 * @return    none
 */
void WDG_Initialize(void)
{
    uint32_t tmpTimeoutValue = WDG_CLK(5);            /*!(159999+1) / 32000 = 5s(时钟为32kHz)*/
    WDG_ConfigType WDGConfig;
    memset(&WDGConfig, 0, sizeof(WDGConfig));

    WDGConfig.clockSource = WDG_CLOCK_LSI;            /*!Stop模式下需要以内部32kHz作为时钟源*/
    WDGConfig.WDGEn = ENABLE;
    WDGConfig.interruptEn = DISABLE;                  /*!关闭中断*/
    WDGConfig.prescalerEn = DISABLE;                  /*!0:disable 256 pre, 1:enable 256 pre*/
    WDGConfig.updateEn = ENABLE;                      /*!if update is 0,can't do any setting*/
    WDGConfig.windowEn = DISABLE;                     /*!window mode watchdog*/
    WDGConfig.timeoutValue = tmpTimeoutValue;         /*!最晚喂狗时间*/
    WDGConfig.windowValue = NULL;                     /*!最早喂狗时间*/
    WDGConfig.callBack = NULL;                        /*!设置中断回调*/
    WDG_Init(&WDGConfig);

    GPIO_SetDir(GPIOA, GPIO_PIN2, GPIO_OUT);          /*!LED1，用于测试看门狗功能*/
    GPIO_SetPinLevel(GPIOA, GPIO_PIN2, GPIO_LEVEL_HIGH);
    GPIO_SetDir(GPIOA, GPIO_PIN11, GPIO_IN);          /*!使用按键控制进入Stop模式*/

    WDG_Feed();
}

/* =============================================  EOF  ============================================== */
