delay_fct3.c

来自「a ICCAVR source code for a small led mat」· C语言 代码 · 共 31 行

#include <string.h>
#include <iom8v.h>
#include <EEPROM.h>
#include "delay_fct3.h"
#include "reclama_fct3.h"

			  
void clock(void){
	 PORTB|=(1<<PORTD2);
	 PORTB&=~(1<<PORTD2);
	 }
/*  *********************  */	 
void delay8_us(int us){
	 int k;
for(k=0;k<us;k++) asm( "   nop \n"
					  "   nop ");
	 }
/*  ********************  */	 
void delay8_ms(int ms){
	 int k;
for(k=0;k<ms;k++){ asm( "ldi  R17, $0C \n"
				 "WGLOOP0:  ldi  R18, $DD \n"
				 "WGLOOP1:  dec  R18 \n"
				 " brne WGLOOP1 \n"
         		 " dec  R17 \n"
           		 " brne WGLOOP0 \n"  
				 " nop \n"
				 "   nop ");}
				 }