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#include <reg51.h>
#include<3310LCD_function.c>
#define uchar unsigned char
#define uint unsigned int
//ADC0809
sbit ST=P1^1;
sbit EOC=P1^0;
sbit OE=P1^3;
sbit CLK=P1^2;
sbit in0=P2^5;
sbit in1=P2^6;
sbit in2=P2^7;
//_____________________________________________________
//頂盤(pán)電機(jī)引腳
sbit U_ENA=P3^0;
sbit U_ENB=P3^1;
sbit U_INPUT1=P1^4;
sbit U_INPUT2=P1^5;
sbit U_INPUT3=P1^6;
sbit U_INPUT4=P1^7;
//頂盤(pán)電機(jī)轉(zhuǎn)動(dòng)參數(shù)
char code STEP_TABLE3[]={0xcf,0x6f,0x3f,0x9f};//正轉(zhuǎn)
char code STEP_TABLE4[]={0xcf,0x9f,0x3f,0x6f};//反轉(zhuǎn)
//______________________________________________________
/*void delay(uchar i)；延時(shí)函數(shù)
輸入?yún)?shù)：i
i 的時(shí)間1ms
———————————————————————————————————————————————————————*/
void delay_1ms(void)//1ms延時(shí)函數(shù)
{
unsigned int i;
for (i=0;i<500;i++) ;
;
}
void delay(uint ms)//1ms延時(shí)函數(shù)
{
unsigned int i,k;
for(k=0;k<ms;k++){
for (i=0;i<121;i++);
}
}
void u_delay()
{
uchar i,j;
for (j=0;j<16;j++)
for (i=0;i<121;i++);
}
void d_delay()
{
uchar i;
for(i=0;i<255;i++);
for(i=0;i<170;i++);
}
/*系統(tǒng)初始化
——————————————————————————————————————————————————————*/
/*********系統(tǒng)初始化***********/
void sys_init()
{
EA = 1; //開(kāi)總中斷
TMOD = 0x02; //設(shè)定定時(shí)器T0工作方式
TH0=235; //利用T0中斷產(chǎn)生CLK信號(hào)
TL0=235;
TR0=1; //啟動(dòng)定時(shí)器T0
ET0=1;
ST=0;
OE=0;
}
//AD轉(zhuǎn)化
//輸入?yún)?shù) IN ;選擇要轉(zhuǎn)換的通道
//——————————————————————————————————————
uint change_ad(IN)
{
uchar AD_DATA;
switch(IN){
case 0: in0=in1=in2=0; break;
case 1: in0=1;in1=in2=0;break;
case 2: in0=in2=0;in1=1;break;
case 3: in0=in1=1;in2=0;break;
case 4: in0=in1=0;in2=1;break;
case 5: in0=in2=1;in1=0;break;
}
ST=0;delay(10);
ST=1;delay(10);
ST=0;
// LCD_write_english_string(0,1,"v:");
while(0==EOC);
// LCD_write_english_string(0,2,"v:");
OE=1;
AD_DATA=P0;
delay(5);
OE=0;
return AD_DATA;
}
///////////////////////////
void U_turn(long int angle,unsigned char direction) //angle為轉(zhuǎn)過(guò)的角度，direction為轉(zhuǎn)動(dòng)方向
{
long int i;
uchar k=0,zi=0;
U_ENA = 1; //打開(kāi)輸出使能
U_ENB = 1;
switch(direction)
{
case 1: //angle = angle*5/9; //每轉(zhuǎn)一下1.8度
for(i=0;i<angle;i++){
for(zi=0;zi<4;zi++){
P1 = STEP_TABLE3[zi];
u_delay(); //延時(shí)一點(diǎn)時(shí)間，讓電機(jī)內(nèi)的磁場(chǎng)能夠建立
}
}
break;
case 2: //angle = angle*5/9; //每轉(zhuǎn)一下1.8度
for(i=0;i<angle;i++){
for(k=0;k<4;k++){
P1 = STEP_TABLE4[k];
u_delay(); //延時(shí)一點(diǎn)時(shí)間，讓電機(jī)內(nèi)的磁場(chǎng)能夠建立
}
}
break;
default: break;
}
}
////////////////////////
U_stop()
{
U_ENA = 0; //打開(kāi)輸出使能
U_ENB = 0;
}
/*MAIN（）主函數(shù)
______________________________________*/
main()
{
uchar i,k;
uint a,b,c,ad_data;
sys_init();
res=0;
for(k=0;k<250;k++);
res=1;
LCD_init(); //初始化LCD模塊
LCD_clear(); //清屏幕
LCD_write_english_string(0,0," v1-5:");
while(1){
for(i=0;i<4;i++){
ad_data=change_ad(i);
delay(5);
a=(ad_data*100/255)*5/100;
b=(ad_data*100/255)*5%100/10;
c=(ad_data*100/255)*5%10;
LCD_write_english_string(0,0+i,"v:");
LCD_set_XY(12,0+i);
LCD_write_char(a+48);
LCD_write_english_string(18,0+i,".");
LCD_write_char(b+48);
LCD_write_char(c+48);
delay(5);
}
}
}
/***********T0中斷服務(wù)程序************/
void t0(void) interrupt 1 using 0
{
CLK=~CLK;
}

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