我查看了一下固件库（3.5 去年下载的）中的中断向量表重映射函数其中给出了一个从BANK1 还是 BANK2 启动的例子#define BANK1_START_ADDRESS 0x08000000
#define BANK2_START_ADDRESS 0x08080000
/* Set the vector table address */
#if defined(BOOT_FROM_BANK1)
/* Set the vector table to the Bank1 start address */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK1_START_ADDRESS);
#elif defined(BOOT_FROM_BANK2)
/* Set the vector table to the Bank1 start address */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK2_START_ADDRESS);
#endif /* BOOT_FROM_BANK1 */
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