juchi.c

锯齿波产生程序 megal128 iccavr开发平台

#include <iom128v.h>
void delay(unsigned int t)
{
 unsigned int i;
 for(i=0;i<t;i++)
    ;
}
void main(void)
{
  unsigned char c;
  c=0;
  DDRA=0xff;
  for(;;)
    {
     PORTA=c++;             
     delay (10);
    }
}