标题: M128 PWM程序 [打印本页]

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作者: liuqq    时间: 2015-5-21 23:51
标题: M128 PWM程序



#include <iom128v.h>
#include<macros.h>
#define uint unsigned int
#define uchar unsigned char
void delay_ms(uint n)
{uint i=0,j;
while(i<n)
{for(j=0;j<1000;j++);
  i++;
}
}
void pwm0_init(void)
{DDRB=0X10;
TCCR0=0X00;
OCR0=0X7F;
TCNT0=0;
TCCR0=0X6C;
}
void main(void)
{uchar wide;
char  temp;
pwm0_init();
while(1)
{delay_ms(50);
  if(++wide==255)
  {wide=0;
  }
  OCR0=wide;
}
}

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