configint1.c

Mplab C30编译器

#include<ports.h>

/********************************************************************
* Function Name     : ConfigINT1
* Description       : Enables external interrupt on pin INT1.
* Parameters        : config determines the interrupt edge, priority 
*                     and enable/disable information.
* Return Value      : None
********************************************************************/

void ConfigINT1(unsigned int config)
{
    IFS1bits.INT1IF = 0;                       /* clear the interrupt flag */
    _INT1IP = config & 0x07;                   /* assign interrupt priority */
    INTCON2bits.INT1EP = (config & 0x10) >> 4; /* assign edge selected */
    IEC1bits.INT1IE = (config & 0x08) >> 3;    /* enable/disable interrupt */
}
/* end of function ConfigINT1 */