readdcoc3pwm.c

Mplab C30编译器

#include <outcompare.h>

#ifdef _OC3IF

/********************************************************************
*    Function Name:  ReadDCOC3PWM                                   *
*    Description:    This routine reads duty cycle from Secondary   *
*                    register in PWM mode                           *
*    Parameters:     None                                           *
*    Return Value:  unsigned int: duty cycle from Secondary register*
********************************************************************/

unsigned int ReadDCOC3PWM()
{
    /* check if OC is in PWM Mode */
    if((OC3CONbits.OCM & 0x06) == 0x06)
    {       
        return OC3RS; /* Output Compare Secondary Register */
    }
    else 
        return -1;
}

#else
#warning "Does not build on this target"
#endif