求指错ADC0804 电压显示在ks 0108的12864上显示
时间：10-02
整理：3721RD
点击：
求指错ADC0804 电压显示在ks 0108的12864上显示，
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define port P1 //DB0~DB7数据口
sbit e=P2^0;//使能
sbit rw=P2^1;//读写
sbit rs=P2^2;//数据/命令
sbit cs2=P2^3;//片选
sbit cs1=P2^4;
sbit busy=P1^7;//检测忙
#define date P0
sbit cs=P2^5; //片选信号，控制芯片的启动，低电平有效
sbit rd=P2^6; //读数据控制，低电平有效
sbit rw1=P2^7; //AD转换启动控制，上升沿有效
sbit intr=P3^3; //AD转换结束输出低电平
uchar code hz[][32]={
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*-- 文字: 电 --*/
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
{0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,
0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00},
/*-- 文字: 压 --*/
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
{0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00,
0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*-- 文字: 力 --*/
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
{0x00,0x10,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x10,0x10,0xF0,0x00,0x00,0x00,
0x00,0x80,0x40,0x20,0x18,0x06,0x01,0x00,0x20,0x40,0x80,0x40,0x3F,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*-- 文字: 时 --*/
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
{0x00,0xFC,0x84,0x84,0x84,0xFC,0x00,0x10,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x00,
0x00,0x3F,0x10,0x10,0x10,0x3F,0x00,0x00,0x01,0x06,0x40,0x80,0x7F,0x00,0x00,0x00},
/*-- 文字: 间 --*/
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
{0x00,0xF8,0x01,0x06,0x00,0xF0,0x12,0x12,0x12,0xF2,0x02,0x02,0x02,0xFE,0x00,0x00,
0x00,0xFF,0x00,0x00,0x00,0x1F,0x11,0x11,0x11,0x1F,0x00,0x40,0x80,0x7F,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
};
uchar code num[][16]={
{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00},
//"0",0
{0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},
//"1",1
{0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00},
//"2",2
{0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00},
//"3",3
{0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00},
//"4",4
{0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00},
//"5",5
{0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00},
//"6",6
{0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00},
//"7",7
{0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00},
//"8",8
{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00} ,
//"9",9
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
/*--空格--*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
};
//延时
void delay(uint n)
{
uint i;
for(;n>0;n--)
for(i=200;i>0;i--);
}
//启动AD转换子程序
//void start_ad( )
//{
//cs=0; //允许进行A/D转换
//rw1=0;
// delay(5);
// rw1=1; //WR由低变高时,AD开始转换
// while(intr); //查询转换结束产生INTR 信号(低电平有效)
// cs=1; //停止AD转换
//}
//读A/D数据子程序
//void read_ad( )
//{
//uint ad_data;
//cs=0; //允许读
//rd=0; //读取转换数据结果数据结果
//delay(2);
//ad_data=date; //把数据存到ad_data中
// rd=1;cs=1; //停止A/D读取
// return(ad_data);
//}
//数据处理
//void data_shout( )//观察0-5v的变化
//{
// uint a=20,one,two,three,four;
// four=ad_data/51; //第四位数码管(最高位)
//three=ad_data%51*10/51;//第三位数码管?
//two=ad_data%51*10%51*10/51;//第二位数码管?
//one=ad_data%51*10%51*10%51*10/51;//第一位数码管(最低位)
//}
//判断是否忙
void check()
{
rs=0;
rw=1; //读 e=1；
port=0x00;
e=1;
while(busy);
e=0;
}
//写指令
void sendcommand(uchar command)
{
check();
rs=0; //指令
rw=0; //写 e=0；
port=command;
e=1;
e=0; //写入指令
}
//写数据
void writedata(uchar dat)
{
check();
rs=1; //数据
rw=0;
port=dat;
e=1;
e=0;
}
//选屏幕 0--全屏，1--左屏，2--右屏；
void select(uint n)
{
switch(n)
{
case 0:cs1=0;cs2=0;break; //低电平选中
case 1:cs1=0;cs2=1;break; //cs1左屏
case 2:cs1=1;cs2=0;break; //cs2右屏
}
}
//页
void setpage(uchar page)
{
page=page&0x07;
page=page|0xb8;
sendcommand(page);
}
//列
void setcolumn(uchar column)
{
column=column&0x3f;
column=column|0x40;
sendcommand(column);
}
//起始行
void setline(uchar line)
{
line=line&0x3f;
line=line|0xc0;
sendcommand(line);
}
//屏幕开关显示 0--关，1--开；
void seton(uint n)
{
n=n|0x3e;
sendcommand(n);
}
//清屏 0--全屏，1--左屏，2--右屏；
void clear(uint n)
{
uchar i,j;
select(n);
for(i=0;i<8;i++)
{
setpage(i);
setcolumn(0);
for(j=0;j<64;j++)
writedata(0); //置0清空
}
}
//初始化
void init(uchar i)
{
check();
seton(1);
select(0);
//clear(0);
setline(i);
}
//显示汉字 16*16显示
void show16(uchar page,uchar column,uchar screen,uchar method,uchar *str) //页，列，
{
uchar i,j;
select(screen);
j=0;
setpage(page);
setcolumn(column);
for(i=0;i<16;i++)
{ if(method==1) writedata(~str[j++]); //method为显示方式。当等于1时，反白。
else writedata(str[j++]);
}
setpage(page+1);
setcolumn(column);
for(i=0;i<16;i++)
{ if(method==1) writedata(~str[j++]);
else writedata(str[j++]);
}
}
//显示数字 8*16显示
void show8(uchar page,uchar column,uchar screen,uchar method,uchar *str)
{
uchar i,j;
select(screen);j=0;
setpage(page);
setcolumn(column);
for(i=0;i<8;i++)
{ if(method==1) writedata(~str[j++]);
else writedata(str[j++]);
}
setpage(page+1);
setcolumn(column);
for(i=0;i<8;i++)
{ if(method==1) writedata(~str[j++]);
else writedata(str[j++]);
}
}
void main()
{
uint one,two,three,four;
uint ad_data;
while(intr); //查询转换结束产生INTR 信号(低电平有效)
{cs=0; //允许进行A/D转换
rw1=0;
delay(5);
rw1=1; //WR由低变高时,AD开始转换
cs=1; //停止AD转换
cs=0; //允许读
rd=0; //读取转换数据结果数据结果
delay(2);
ad_data=date; //把数据存到ad_data中
rd=1;cs=1; //停止A/D读取
ad_data=ad_data*196;
four=ad_data/10000; //第四位数码管(最高位)
three=ad_data%10000/1000;//第三位数码管?
two=ad_data%1000/100;//第二位数码管?
one=ad_data%100/10;//第一位数码管(最低位)
}
init(0);
clear(0);
setline(0);
while(1)
{ uchar i,j;
for(i=0;i<4;i++)
{show16(0,16*i,1,0,hz);
show16(0,16*i,2,0,hz[i+4]);
}
for(j=0;j<4;j++)
{show8(2,8*j,1,0,num[four]);
show8(2,8*j,1,0,num[three]);
show8(2,8*j,1,0,num[two]);
show8(2,8*j,1,0,num[one]);
}
delay(50000);
}
}
求助啊！求大神指导啊！很急的。