(1)TLC2543以及数码管的显示(自己写的程序并已经经过实验完全正确)

//-----------------------函数声明，变量定义--------------------------------------------------------
#include
#include
#define uint unsigned int
//--------------------------------------------------------------------------------------------------
// 2543控制引脚宏定义
//--------------------------------------------------------------------------------------------------

sbit SCK=P1^0; // 将p1.1口模拟时钟输出
sbit MOSI=P1^1; // 注意这个端口 时输入数据端，将p1.2口模拟主机输出,
sbit MISO=P1^2; // 注意这个端口 时输入数据端，将p1.3口模拟主机输入
sbit SS1=P1^3; // 将p1.0口模拟片选
//-----------------------预定义控制字--------------------------------------------------------
#define CONTROL_WORD 0x00 //选择通道0，输出数据长度12bit，MSB，单极性二进制数
//--------------------------------------------------------------------------------------------------

//---------------------------------------------------------------------------------
// 数码管定义
//-----------------------------------------------------------------------------------------
sbit dula=P2^6;
sbit wela=P2^7;
unsigned char code tabedu[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
unsigned char code tabewe[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};


// 函数名称： delay
// 入口参数： N
// 函数功能：延时子程序，实现(16*N+24)us的延时
// 系统采用11.0592MHz的时钟时,延时满足要求,其它情况需要改动
//--------------------------------------------------------------------------------------------------
void delay(unsigned int N)
{
int i;
for(i=0;i}
display(unsigned int bai,unsigned int shi,unsigned int ge)
{
P0=0xff;
wela=1;
wela=0;
P0=tabedu[bai];
dula=1;
dula=0;
P0=tabewe[0];
wela=1;
wela=0;
delay(100);

P0=0xff;
wela=1;
wela=0;
P0=tabedu[shi];
dula=1;
dula=0;
P0=tabewe[1];
wela=1;
wela=0;
delay(100);

P0=0xff;
wela=1;
wela=0;
P0=tabedu[ge];
dula=1;
dula=0;
P0=tabewe[2];
wela=1;
wela=0;
delay(100);
}
//--------------------------------------------------------------------------------------------------
// 名称：read2543
// 功能：TLC2543驱动模块
// 输入参数：CON_WORD控制字
// 输出参数：ad转换值
//--------------------------------------------------------------------------------------------------
unsigned int read2543(unsigned char CON_WORD)
{
unsigned int ad=0,i;
CON_WORD<<=4;
SCK=0;
SS1=0;
for(i=0;i<12;i++)
{
if(MISO) ad|=0x01;
MOSI=(bit)(CON_WORD&0x80);
SCK=1;
delay(3);
SCK=0;
delay(3);
CON_WORD<<=1;
ad<<=1;
}
delay(3);

SS1=1;
ad>>=1;
return(ad);
}

//--------------------------------------------------------------------------------------------------
// 名称：main
// 功能：主函数
// 输入参数：无
// 输出参数：无
//--------------------------------------------------------------------------------------------------
void main()
{
uint add1,c;
float c1,c2;
while(1)
{

add1=read2543(CONTROL_WORD);
c1 =(float)(add1)/4096.0;
c2=(float)(c1*5.0);
c=c2*100.0;
display(c/100,c/10%10,c%10);
}
}