ls_164.c

来自「课程设计做得一个基于51单片机的声光报警电路」· C语言 代码 · 共 70 行

#include "reg52.h"
#include "intrins.h"
#include "lcd.h"
#include "def.h"

sbit clr_164  = P0^0;
sbit clk_164  = P0^1;
sbit date_164 = P0^2;
sbit beep     = P0^3;
sbit led_1    = P0^4;
sbit led_2    =	P0^5;
sbit jidian   = P0^6;


sbit error_test = P0^7;


void dis_beep(void)
{
	uchar i;
	for(i=0;i<4;i++)
	{
		beep  = ~beep;
		led_1 = ~led_1;
		led_2 = ~led_2;
		delay(200);
	}
}

void test_164(uchar error[],uchar num)
{
	uchar i;
	clr_164  = 1;
	for(i=0;i<num;i++)
	{
		if(i>0)
			date_164 = 0;
		else
			date_164  = 1;
		clk_164  = 1;
		_nop_();
		_nop_();
		clk_164  = 0;
		_nop_();
		_nop_();
		delay(200);
		if(error_test == 0)
		{
			delay(40);
			if(error_test == 0)
			{
				error[i] = 1;
				dis_beep();
			}
		}	
	}
	clr_164  = 0;
}


void init_164()
{
	beep     = 1;
	jidian   = 1;
	led_1    = 0;
	led_2    = 1;
	clr_164  = 0;
	clk_164  = 0;
	date_164 = 0;	
}