HK32F030MF4P6 SWCLK配置为EXTI问题

    GPIOMUX->NRST_PIN_KEY = (uint32_t)(0x00005AE1);  //KEY

    GPIOMUX->PKG_PIN_SEL &= (uint32_t)(0xFFFFFF00);  //NRSTPA0_PIN_SEL = 0

    GPIOMUX->NRST_PIN_KEY = (uint32_t)(0x00005AE1);  //KEY

    GPIOMUX->NRST_PA0_SEL |= (uint32_t)(0x00000007); //bit0:NRST 1 PA0  bit1-2:SWCLK 11 PB5  bit5-6:SWDIO 00 PD5

void Hw_Input_Chage_Init(void)

{

    GPIO_InitTypeDef GPIO_InitStructure;

    

    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_IOMUX, ENABLE);

    

    GPIOMUX->NRST_PIN_KEY = (uint32_t)(0x00005AE1);  //KEY

    GPIOMUX->PKG_PIN_SEL &= (uint32_t)(0xFFFFFF00);  //NRSTPA0_PIN_SEL = 0

    GPIOMUX->NRST_PIN_KEY = (uint32_t)(0x00005AE1);  //KEY

    GPIOMUX->NRST_PA0_SEL |= (uint32_t)(0x00000007); //bit0:NRST 1 PA0  bit1-2:SWCLK 11 PB5  bit5-6:SWDIO 00 PD5

    

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; 

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; //引脚输入模式

    

    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_Level_2;

    GPIO_InitStructure.GPIO_Schmit = GPIO_Schmit_Disable;

    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //内部上拉

    

    //NRST --> PA0

    //GPIO_IOMUX_ChangePin(IOMUX_PIN2, IOMUX_NRST_SEL_NRST);// TSSOP16 PIN2(NRST)PA0 IO  IOMUX_NRST_SEL_NRST   IOMUX_NRST_SEL_PA0

    

    GPIO_Init(GPIOA, &GPIO_InitStructure);

}



void Hw_Key_Init(void)

{

    GPIO_InitTypeDef GPIO_InitStructure;

    EXTI_InitTypeDef EXTI_InitStructure;

    NVIC_InitTypeDef NVIC_InitStructure;

    

    

    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);

    

    //SWCLK PB5 as GPIO

    //GPIO_IOMUX_ChangePin(IOMUX_PIN11, IOMUX_PB5_SEL_PB5); //TSSOP20PIN11(PD5)PB5 IO

    

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; 

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; //引脚输入模式

    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_Level_2;

    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //内部上拉

    GPIO_Init(GPIOB, &GPIO_InitStructure);

    

    /* 配置EXTI */

    

    EXTI_InitStructure.EXTI_Line = EXTI_Line5;

    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;

    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;

    EXTI_InitStructure.EXTI_LineCmd = ENABLE;

    EXTI_Init(&EXTI_InitStructure);

    

    SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource5);

        EXTI_ClearITPendingBit(EXTI_Line5);

    

    NVIC_InitStructure.NVIC_IRQChannel = EXTI5_IRQn;

    NVIC_InitStructure.NVIC_IRQChannelPriority = 0;

    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

    NVIC_Init(&NVIC_InitStructure);

    

}



//SWCLK

unsigned char Hw_Key_Get_Power_Key_Value(void)

{

    return GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_5);

}





unsigned char g_temp = 0;



void EXTI5_IRQHandler(void)

{

    if(EXTI_GetFlagStatus(EXTI_Line5) != RESET)

    {

        g_temp = !g_temp;

        

        if(g_temp)

            Hw_Led_Green_Enable();

        else    

            Hw_Led_Green_Disable();

        

        EXTI_ClearITPendingBit(EXTI_Line5);

    }

}