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1 main.c文件代码：

/* ========================================
 *
 * Copyright YOUR COMPANY, THE YEAR
 * All Rights Reserved
 * UNPUBLISHED, LICENSED SOFTWARE.
 *
 * CONFIDENTIAL AND PROPRIETARY INFORMATION
 * WHICH IS THE PROPERTY OF your company.
 * 说明：PSoc4自带PWM模块测试引脚中断输入功能
 * 1. 中断输入引脚 ----- P0.7
 * 2. PWM输出引脚  ----- P2.7
 * 3. LED指示引脚  ----- P0.2
 * 
 *
 * 注:如果工程编译报错请用工程目录下"如果工程
 * 报错请用该文档内容替换INT_PinIOin.c中所有内
 * 容"文件按文件名要求替换指定文件内容.
 * ========================================
*/
#include 

int main()
{
    /* Place your initialization/startup code here (e.g. MyInst_Start()) */
    INT_PinIOin_Start();
    
    PWM_1_Start();
    CyGlobalIntEnable;

    /* CyGlobalIntEnable; */ /* Uncomment this line to enable global interrupts. */
    for(;;)
    {
        /* Place your application code here. */
        
    }
}

/* [] END OF FILE */

/*******************************************************************************
* Function Name: INT_PinIOin_Interrupt
********************************************************************************
*
* Summary:
*   The default Interrupt Service Routine for INT_PinIOin.
*
*   Add custom code between the coments to keep the next version of this file
*   from over writting your code.
*
* Parameters:  
*   None
*
* Return:
*   None
*
*******************************************************************************/
CY_ISR(INT_PinIOin_Interrupt)
{
    /*  Place your Interrupt code here. */
    /* `#START INT_PinIOin_Interrupt` */
    if(Dig_Out_Read())
    {
        INTOUT_Write(0);
    }
    else
    {
        INTOUT_Write(1);
    }
    INT_PinIOin_ClearPending();
    INT_in_ClearInterrupt();
    /* `#END` */
}

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