main.c

来自「IIC通讯单片机源代码,要下载的快」· C语言 代码 · 共 48 行

#include"address.h"		 //板子的器件地址
#include"reg51.h"
#include"24C00.h"		 //IIC程序库头文件
#define uchar unsigned char 
unsigned char code Tab[]={0x12,0x9F,0x31,0x15,0x9C,0x54,0x50,0x1F,
                          0x10,0x14,0x18,0xD0,0x72,0x91,0x70,0x78};

void send(uchar buff);
void delay(unsigned int y);

void main()
{
uchar i;
for(i=0x00;i!=128;i++)Write24c02_OneByte(i,i);	 //往地址i写入数据i
while(1)
{
 for(i=0;i!=128;i++)
 {
 send(Tab[Read24c02_OneByte(i)%16]);			 //从地址i读出数据在数码管上显示出来
 delay(1000);
 }
}
}


//发数据到数码管
void send(uchar buff)
{
 uchar i;
 uchar temp=buff;
 for(i=0;i!=8;i++)
 { 
 if(temp&0x01)SPIDATA=1;
 else	SPIDATA=0;
 SPICLK=0;SPICLK=1;
 temp>>=1;
 }
 SPILatch=0;
 SPILatch=1;
}
//延时程序
void delay(unsigned int y)
{
 uchar   x;
 for(;y!=0;y--)for(x=200;x!=0;x--);
}