ISCS_KEY_BASE_CAN/OnlyUpdateApp_IAP/APP/peripheral_main.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : main.c
 * Author             : WCH
 * Version            : V1.1
 * Date               : 2019/11/05
 * Description        : Upgrade slave application main function and task system initialization
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * Attention: This software (modified or not) and binary are used for 
 * microcontroller manufactured by Nanjing Qinheng Microelectronics.
 *******************************************************************************/

/******************************************************************************/
/* Header file contains */
#include "define.h"
#include "HAL.h"
#include "Peripheral.h"
#include "OTA.h"
#include "OTAprofile.h"
#include "led.h"

/* ¼Ç¼µ±Ç°µÄImage */
unsigned char CurrImageFlag = 0xff;
static bool iwdg_rst_stat = false;

/*********************************************************************
 * GLOBAL TYPEDEFS
 */
__attribute__((aligned(4))) uint32_t MEM_BUF[BLE_MEMHEAP_SIZE / 4];

// uint8_t MacAddr[6] = {0};

/* Note: The operation of Flash after the program is upgraded must be performed first 
 * without turning on any interruption to prevent operation interruption and failure 
 */
/*********************************************************************
 * @fn      ReadImageFlag
 *
 * @brief   Read the iMage logo of the current program. 
 *          If the DataFlash is empty, it will be Imagea by default.
 *
 * @return  none
 */
void ReadImageFlag(void)
{
    OTADataFlashInfo_t p_image_flash;

    FLASH_read(OTA_DATAFLASH_ADD, (uint8_t *)&p_image_flash, 4);
    CurrImageFlag = p_image_flash.ImageFlag;

    /* The program is executed for the first time, or it has not been updated, 
     * and the DataFLASH is erased after being updated in the future 
     */
    if((p_image_flash.flag[0] != IMAGE_FLAG_1) 
        || (p_image_flash.flag[1] != IMAGE_FLAG_2) 
        || (p_image_flash.flag[2] != IMAGE_FLAG_3))
    {
        CurrImageFlag = IMAGE_A_FLAG;
    }

    PRINT("Image Flag %02x\n", CurrImageFlag);

    // if(CurrImageFlag == IMAGE_A_FLAG)
    // {
    //     PRINT("jump App \n");
    //     Delay_Ms(5);
    //     app_start();
    // }
}

/*********************************************************************
 * @fn      Main_Circulation
 *
 * @brief   Main loop
 *
 * @return  none
 */
__attribute__((section(".highcode")))
__attribute__((noinline))
void Main_Circulation(void)
{
    while(1)
    {
        TMOS_SystemProcess();
    }
}


static void User_GPIO_Init(void)
{

}

/*********************************************************************
 * @fn      main
 *
 * @brief   Main function
 *
 * @return  none
 */
int main(void)
{
    SystemCoreClockUpdate();
    Delay_Init();
#ifdef DEBUG
    USART_Printf_Init(115200);
#endif
    PRINT("SystemClk:%d\r\n",SystemCoreClock);
    PRINT( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
    PRINT("%s\n", VER_LIB);
    ReadImageFlag();
    if(RCC_GetFlagStatus(RCC_FLAG_IWDGRST) == SET)
    {
    	PRINT("iwdg reset\n");
    }
    // else if(RCC_GetFlagStatus(RCC_FLAG_SFTRST) == SET)
    // {
    //     // Soft reset does not jump app app
	//     PRINT("Soft reset does not jump app \n");
    // }
    else
    {
        if(CurrImageFlag == IMAGE_A_FLAG)
        {
            PRINT("jump User App \n");
            Delay_Ms(5);
            app_start();
        }
	    else if(CurrImageFlag == IMAGE_OTA_FLAG)
        {
            PRINT("ota jump App \n");
            Delay_Ms(5);
            app_start();
        }
    }
    PRINT("ENTER OTA!\n");
    User_GPIO_Init();
    WCHBLE_Init();
    HAL_Init();
    GAPRole_PeripheralInit();
    Peripheral_Init();
    led_task_init();
    led_task_start();
	led_enter_ota();
    PRINT("start task\n");
    Main_Circulation();
}

/******************************** endfile @ main ******************************/