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標(biāo)題: SyncMOS 59R PWM 源碼 [打印本頁]

作者: bulota 時間: 2019-3-22 15:04
標(biāo)題: SyncMOS 59R PWM 源碼

SyncMOS 59R PWM 源碼

#include "OB59R16A5C.h"
#include "PWM.h"

#define PWM_VECTOR  8          //PWM Interrupt Vevtor
#define d_PWMCS    0x00       //PWMCS[2:0] (PWM clock select 0~7)
#define d_PWMXEN 0x01       //PWM Channel Enable (0~F)
#define d_PWMP0    0x00       //PWM0 Channel idle polarity select
#define d_PWMP1    0x00       //PWM1 Channel idle polarity select
#define d_PWMP2    0x00       //PWM2 Channel idle polarity select
#define d_PWMP3    0x00       //PWM3 Channel idle polarity select
#define d_PWMIE    0x00       //PWM Interrupt Enable bit
#define d_P2PWM    0x02       //PWM channel on P2/P4 select

unsigned int PWMMD = 0x03FF;    //PWMMD[9:0]=Period (PWM Max Data Register 0~1023)
unsigned int PWMD0 = 0x0200;    //PWMD0[9:0]=Duty (PWM Channel 0 Data Register 0~1023)
unsigned int PWMD1 = 0x00;    //PWMD1[9:0]=Duty (PWM Channel 1 Data Register 0~1023)
unsigned int PWMD2 = 0x00;    //PWMD2[9:0]=Duty (PWM Channel 2 Data Register 0~1023)
unsigned int PWMD3 = 0x00;    //PWMD3[9:0]=Duty (PWM Channel 3 Data Register 0~1023)

void PWM_initialize(void)  //Initialize PWM
{
EA    = 0;                //Disable All Interrupt Function
AUX = AUX | (d_P2PWM); //Set PWM channel on P2/P4
IEPWM  = (d_PWMIE);       //Enable PWM Interrupt Function
PWMMDH = PWMMD >> 8;
PWMMDL = PWMMD;
EA    = 1;                //Enable All Interrupt
}

void PWM_Output(unsigned int PWMD0,unsigned int PWMD1,
            unsigned int PWMD2,unsigned int PWMD3) //PWM Output Set
{
PWMD0H = (PWMD0>>8) | (d_PWMP0<<7);
PWMD0L = (PWMD0);
PWMD1H = (PWMD1>>8) | (d_PWMP1<<7);
PWMD1L = (PWMD1);
PWMD2H = (PWMD2>>8) | (d_PWMP2<<7);
PWMD2L = (PWMD2);
PWMD3H = (PWMD3>>8) | (d_PWMP3<<7);
PWMD3L = (PWMD3);
PWMC = PWMC|(d_PWMCS<<5)|(d_PWMXEN);
}

void PWM_Disable(void)
{
IEPWM = 0;    //Disable PWM Interrupt
PWMC  = 0;    //Disable PWM Function
}

void PWM_ISR(void) interrupt PWM_VECTOR //PWM Interrupt Subroutine
{
while(PWMIF)
{
      PWMIF = 0;  //Clear PWM Flag
}
}

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