| 2.将APP的终端向量表复制到以上位置,设置中断向量表重映射 static void SetVectorTable(void)
{
        int i;
        /*!< At this stage the microcontroller clock setting is already configured, 
        this is done through SystemInit() function which is called from startup
        file (startup_stm32f0xx.s) before to branch to application main.
        To reconfigure the default setting of SystemInit() function, refer to
        system_stm32f0xx.c file
        */ 
        /* Relocate by software the vector table to the internal SRAM at 0x20000000 ***/  
        /* Copy the vector table from the Flash (mapped at the base of the application load address 0x08003000) to the base address of the SRAM at 0x20000000. */
        for(i = 0; i < 48; i++)
        {
                VectorTable[i] = *(__IO uint32_t*)(APP_SPACE_ADDR + (i<<2));
        }
        /* Enable the SYSCFG peripheral clock */
        RCC_APB2PeriphResetCmd(RCC_APB2Periph_SYSCFG, ENABLE);        /* 注意:ST官方例程使用 RCC_APB2PeriphResetCmd是不对的 */
        /* Remap SRAM at 0x00000000 */
        SYSCFG_MemoryRemapConfig(SYSCFG_MemoryRemap_SRAM);
}
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