alientek_bootloader/applications/bootloader/bootloader.c

#include "bootloader.h"
#include "dev_iap.h"
#include "global.h"
#include <stdint.h>

void boot_goto_app(void)
{
    pFunction     Jump_To_Application;
    __IO uint32_t JumpAddress;

    // CAN_DeInit(CAN1);

    if (((*(__IO uint32_t *)APP_START_ADDR) & 0x2FFE0000) == 0x20000000)
    {
        JumpAddress         = *(__IO uint32_t *)(APP_START_ADDR + 4);
        Jump_To_Application = (pFunction)JumpAddress;
        __set_MSP(*(__IO uint32_t *)APP_START_ADDR);
        Jump_To_Application();
    }
}

uint8_t check_addr_sp(uint32_t addr)
{
    int ret;

    if (((*(uint32_t *)addr) & 0x2FFE0000) == 0x20000000) // 检查栈顶地址是否合法
    {
        ret = VALID;
    }
    else
    {
        ret = INVALID;
    }
    return ret;
}

uint8_t check_addr_pc(uint32_t addr)
{
    int ret;

    if (((*(uint32_t *)(addr + 4)) & 0xFF000000) == 0x08000000) // 检查中断向量表地址是否合法
    {
        ret = VALID;
    }
    else
    {
        ret = INVALID;
    }
    return ret;
}