dis2.c

来自「飞利浦公司生产的75A温度读取芯片配合C51单片机读取温度」· C语言 代码 · 共 64 行

#include "dis.h"
//unchar tabduan[]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6,0xc6,0x9c};
unchar tabwei[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unchar tabduan1[]={0xfd,0x61,0xdd,0xf3,0x67,0xb7,0xbf,0xe1,0xff,0xf7,0x00};
void send8sbit(unchar temp)
{
	unchar i;
	for(i=0;i<8;i++)
		{
			sclk=0;
			datain=temp&0x01;
			sclk=1;
			temp=temp>>1;
		}
		sclk=0;
}
void sendw(unchar wei)
{
	unchar temp;
	temp=tabwei[wei];
	rck=0;
	send8sbit(temp);
	rck=1;
	gate=0;
}
void sendshur1(unchar shu1)
{
	unchar temp;
	gate=1;
	temp=tabduan1[shu1];
	send8sbit(temp);
	send8sbit(0x00);
}
void sendshul1(unchar shu1)
{
	unchar temp;
	gate=1;
	temp=tabduan1[shu1];
	send8sbit(0x00);
	send8sbit(temp);
}void displayr1(unchar wei,unchar shu1)
{	
	sendshur(shu1);	
	sendw(wei);
}	
void displayl1(unchar wei,unchar shu1)
{
	sendshul(shu1);
	sendw(wei);
}
void mydisplay1(unchar wei,unchar shu1)
{
	if(wei<8)
		{
		displayl1(wei,shu1);
		}
	else
		{
		displayr1(wei%8,shu1);
		}
}