RCU_C1P_Launcher/User/main.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : main.c
 * Author             : WCH
 * Version            : V1.0.0
 * Date               : 2024/05/05
 * Description        : Main program body.
 *********************************************************************************
 * 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.
 *******************************************************************************/

#include "includes.h"
#include <stdio.h>
#include <string.h>

uint32_t test_tick = 0;

/*********************************************************************
 * @fn      main
 *
 * @brief   Main program.
 *
 * @return  none
 */
int main(void)
{
    uint8_t sys_reset = 0;
    uint32_t wdt_reste_tick = 0;
    unsigned char Buffer;

    unsigned long DATA_ROM_ADDR;

    SystemCoreClockUpdate();            //系统初始化
    Systick_Init();

    UARTx_Init(UART_0,512000);
    UARTx_Init(UART_1,512000);
    UARTx_Init(UART_2,512000);
    UARTx_Init(UART_3,512000);

    SYS_LED_Init();

    SPI_SRAM_Init();

    SPI_FLASH_Init();

    Get_Flash_Size(&Buffer);

    if(Buffer){
        DATA_ROM_ADDR = 0x70000;
    }else {
        DATA_ROM_ADDR = 0x30000;
    }

    DBG_SYS_Printf("RTC_Init  \r\n");

    RTC_Init();

    DBG_SYS_Printf("EEPROM_Init  - DATA_ROM_ADDR:%x\r\n",DATA_ROM_ADDR);

    EEPROM_Init();

    DBG_SYS_Printf("G PARA \r\n");

    memset((uint8_t *)&g_app_feature,0,sizeof(G_SYS_FEATURE_T));
    memset((uint8_t *)&g_mcu_app_feature,0,sizeof(G_SYS_FEATURE_T));
    memset((uint8_t *)&g_update_recode,0,sizeof(UPDATE_RECORD_T));

    DBG_SYS_Printf("G_SYS_FEATURE_T : %d \r\n",sizeof(G_SYS_FEATURE_T));

    sys_reset = RCC_GET_GLOB_RST_KEEP();
    if(sys_reset == 0x00)
    {
        DBG_SYS_Printf("上电复位 \r\n");
    }else if(sys_reset == 0x02){

        DBG_SYS_Printf("看门狗复位  \r\n");
    }else {
        DBG_SYS_Printf("其他复位 \r\n");
    }

    RCC_SET_GLOB_RST_KEEP(0x01);
    g_jump_flag = Read_APP_Feature();

    //测试使用的 - 不是最终状态
    if(g_jump_flag == 2)      {
        MCU_APP_Write();        //MCU需要写入
        g_jump_flag = 0;

//        printf("Jump APP 1\r\n");
//
//        Delay_Ms(1000);
//
//        __disable_irq();
//        Jump_APP(g_mcu_app_feature.app_start_addr);

        NVIC_EnableIRQ( Software_IRQn );
        Delay_Ms( 20 );
        NVIC_SetPendingIRQ( Software_IRQn );
    }

    while (1)
    {
        SYS_LED_Task();

        Uart0_Task();

        UART1_RECEIVE();
        UART2_RECEIVE();
        UART3_RECEIVE();

        RTC_TASK();

        //测试使用的 - 不是最终状态
        if(SysTick_1ms - g_Boot_Tick >= 5000)
        {
            g_Boot_Tick = SysTick_1ms;

            if(g_jump_flag == 0x00)     //APP 校验成功，跳转APP
            {
                printf("Jump APP 2\r\n");

                Delay_Ms(1000);

                NVIC_EnableIRQ( Software_IRQn );
                Delay_Ms( 20 );
                NVIC_SetPendingIRQ( Software_IRQn );
            }
        }
    }
}

void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));

/*********************************************************************
 * @fn      NMI_Handler
 *
 * @brief   This function handles NMI exception.
 *
 * @return  none
 */
void NMI_Handler(void)
{
    while (1)
    {
    }
}

/*********************************************************************
 * @fn      HardFault_Handler
 *
 * @brief   This function handles Hard Fault exception.
 *
 * @return  none
 */
void HardFault_Handler(void)
{
    /* MRS_关于HardFault问题查找思路 : https://www.cnblogs.com/wchmcu/p/17545931.html */
    uint32_t v_mepc,v_mcause,v_mtval;
    //Dbg_Println(DBG_BIT_SYS_STATUS_bit,"hardfault\n");

    v_mepc = __get_MEPC();
    v_mcause = __get_MCAUSE();
    v_mtval = __get_MTVAL();

    printf("boot mepc:%x\n",v_mepc);
    printf("boot mcause:%x\n",v_mcause);
    printf("boot mtval:%x\n",v_mtval);

    while(1);
}

void SW_Handler(void) {
    printf("SW_Handler Jump App\r\n");
    Delay_Ms( 100 );

    __disable_irq();
    __asm volatile("li  a6, 0x07000");
    __asm volatile("jr  a6");
    while(1);

}