RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE); //¹Ø±ÕJTAGºÍSWDģʽ
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE); //¹Ø±ÕJTAG,´ò¿ªSWD
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