单片机里程表脉冲清零后，显示跟着变，搞了三天还没搞好 -

#include"STC15F2K60S2.H"
//#include <reg52.H>
#include <intrins.h>
#include <chinese_code.h>
//sbit key=P3^2;
sbit cs1=P1^4;
sbit reset=P1^5;
sbit rs=P1^3;
sbit sclk=P1^0;
sbit sid=P1^1;
sbit led=P0^0;
//sbit cruise =P1^0; // 开关
sbit plus_A =P3^7; // 速度上升
//sbit cool =P1^3; //
sbit plus_B =P3^6; // 温度下降
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
uint count;
static ulong speed;
uint a;
uint speed_set, temp_set;
bit flag;
/*延时：1毫秒的i倍*/
void delay(int i)
{
int j,k;
for(j=0;j<i;j++)
for(k=0;k<110;k++);
}
/*延时：1us的i倍*/
void delay_us(int i)
{
int j,k;
for(j=0;j<i;j++)
for(k=0;k<1;k++);
}
//=============transfer command to LCM===============
void transfer_command(int data1)
{
char i;
cs1=0;
rs=0;
for(i=0;i<8;i++)
{
sclk=0;
if(data1&0x80) sid=1;
else sid=0;
sclk=1;
data1=data1<<=1;
}
}
//-----------transfer data to LCM---------------
void transfer_data(int data1)
{
char i;
cs1=0;
rs=1;
for(i=0;i<8;i++)
{
sclk=0;
if(data1&0x80) sid=1;
else sid=0;
sclk=1;
data1=data1<<=1;
}
}
void initial_lcd()
{
reset=0;
delay(100);
reset=1;
delay(100);
transfer_command(0x30); //EXT=0
transfer_command(0x94); //Sleep out
transfer_command(0x31); //EXT=1
transfer_command(0xD7); //Autoread disable
transfer_data(0X9F); //
transfer_command(0x32); //Analog SET
transfer_data(0x00); //OSC Frequency adjustment
transfer_data(0x01); //Frequency on booster capacitors->6KHz
transfer_data(0x04); //Bias=1/11
transfer_command(0x20); // Gray Level
transfer_data(0x01);
transfer_data(0x03);
transfer_data(0x05);
transfer_data(0x07);
transfer_data(0x09);
transfer_data(0x0b);
transfer_data(0x0d);
transfer_data(0x10);
transfer_data(0x11);
transfer_data(0x13);
transfer_data(0x15);
transfer_data(0x17);
transfer_data(0x19);
transfer_data(0x1b);
transfer_data(0x1d);
transfer_data(0x1f);
transfer_command(0x30); // EXT1=0，EXT0=0,表示选择了“扩展指令表1”
transfer_command(0x75); // 页地址设置
transfer_data(0X00); // 起始页地址：YS=0X00
transfer_data(0X14); // 结束页地址：YE=0x1F 每4行为一页，第0～3行为第0页，第124～127行为第31页（31=0x1f）
transfer_command(0x15); // 列地址设置
transfer_data(0X00); // 起始列地址：XS=0
transfer_data(0Xff); // 结束列地址：XE=256（0xff）
transfer_command(0xBC); //Data scan direction
transfer_data(0x00); //MX.MY=Normal
transfer_data(0xA6);
transfer_command(0x0c); //数据格式选择,0x0C是低位在前D0-D7,0x08是高位在前D7-D0
transfer_command(0xCA); //显示控制
transfer_data(0X00); // 设置CL驱动频率：CLD=0
transfer_data(0X4F); //占空比：Duty=128
transfer_data(0X20); //N行反显：Nline=off
transfer_command(0xF0); //显示模式
transfer_data(0X10); //如果设为0x11：表示选择4灰度级模式，如果设为0x10:表示选择黑白模式
transfer_command(0x81); //设置对比度，“0x81”不可改动，紧跟着的2个数据是可改的，但“先微调后粗调”这个顺序别乱了
transfer_data(0x2f); //对比度微调，可调范围0x00～0x3f，共64级 //0x2f
transfer_data(0x02); //对比度粗调，可调范围0x00～0x07，共8级 //0x02
transfer_command(0x20); //Power control
transfer_data(0x0B); //D0=regulator ; D1=follower ; D3=booste, on:1 off:0
delay_us(100);
transfer_command(0xAF); //打开显示
}
/*写LCD 行列地址：X为起始的列地址，Y为起始的行地址，x_total,y_total分别为列地址及行地址的起点到终点的差值 */
void lcd_address(int x,int y,x_total,y_total)
{
x=x-1;
y=y-1;//+9
transfer_command(0x15); //Set Column Address
transfer_data(x);
transfer_data(x+x_total-1);
transfer_command(0x75); //Set Page Address
transfer_data(y);
transfer_data(y+y_total-1);
transfer_command(0x30);
transfer_command(0x5c);
}
/*清屏*/
void clear_screen()
{
int i,j;
lcd_address(0,0,161,11);
for(i=0;i<20;i++)
{
for(j=0;j<161;j++)
{
transfer_data(0x00);
}
}
}
/*显示160*80点阵的图像*/
void disp_160x80(int x,int y,char *dp)
{
int i,j;
lcd_address(x,y,160,10);
for(i=0;i<10;i++)
{
for(j=0;j<160;j++)
{
transfer_data(*dp);
dp++;
}
}
}
/*显示160*8点阵的图像*/
/*void disp_160x8(int x,int y,char *dp)
{
int i,j;
lcd_address(x,y,160,1);
for(j=0;j<160;j++)
{
transfer_data(*dp);
dp++;
}
} */
/*显示8*16点阵的汉字或等同于8*16点阵的图像*/
void disp_8x16(int x,int y,uchar *dp)
{
int i,j;
lcd_address(x,y,8,2);
for(i=0;i<2;i++)
{
for(j=0;j<8;j++)
{
transfer_data(*dp);
dp++;
}
}
}
/*显示8*48点阵的汉字或等同于8*48点阵的图像*/
void disp_8x48(int x,int y,uchar *dp)
{
int i,j;
lcd_address(x,y,8,6);
for(i=0;i<6;i++)
{
for(j=0;j<8;j++)
{
transfer_data(*dp);
dp++;
}
}
}
/*显示16*32点阵的汉字或等同于16*32点阵的图像*/
void disp_16x32(int x,int y,uchar *cc)
{
int i,j;
lcd_address(x,y,16,4);
for(i=0;i<4;i++)
{
for(j=0;j<16;j++)
{
transfer_data(*cc);
cc++;
}
}
}
void disp_cruise()
{
disp_8x16(8*1,5, dac);
disp_8x16(8*2,5, dar);
disp_8x16(8*3,5, dau);
disp_8x16(8*4,5, dai);
disp_8x16(8*5,5, das);
disp_8x16(8*6,5, dae);
disp_8x16(8*10,5, dav);
disp_8x16(8*11,5, dac);
disp_8x16(8*12,5, dac);
disp_8x16(8*15,5, dac);
disp_8x16(8*16,5, dao);
disp_8x16(8*17,5, dao);
disp_8x16(8*18,5, dal); //第一行显示到此
disp_8x16(8*9,7, x1);
disp_8x16(8*10,7, x3);
disp_8x16(8*11,7, dian);
disp_8x16(8*12,7, x5);
disp_8x16(8*13,7, xv); //第二行显示
disp_8x16(8*3,9, dao);
disp_8x16(8*4,9, dan);
disp_8x16(8*9,9, da3);
disp_8x16(8*10,9, da5);
disp_8x16(8*11,9, dadian);
disp_8x16(8*12,9, da7);
disp_8x16(8*13,9, da1c);
disp_8x16(8*16,9, dao);
disp_8x16(8*17,9, daf);
disp_8x16(8*18,9, daf);
disp_8x48(8*8,5,line1); //显示两条竖线
disp_8x48(8*14,5,line1); //显示两条竖线
}
/****************************************
**********速度显示函数*************/
void disp_speed()
{
uchar hundred,ten,ge;
/* if(flag==1)
{
flag=0;
speed=count*6696/1000;
count=0;
a=0;
} */
hundred=speed/100;
ten=speed%100/10;
ge=speed%10;
disp_8x16(1,2, das); //小S显示
switch (hundred)
{
case 0: disp_16x32(16*1,1,c0 );
break;
case 1: disp_16x32(16*1,1,c1 );
break;
case 2: disp_16x32(16*1,1,c2 );
break;
case 3: disp_16x32(16*1,1,c3 );
break;
case 4: disp_16x32(16*1,1,c4 );
break;
case 5 : disp_16x32(16*1,1,c5 );
break;
default:
break;
}
switch (ten)
{
case 0: disp_16x32(16*2,1,c0);
break;
case 1: disp_16x32(16*2,1,c1 );
break;
case 2: disp_16x32(16*2,1,c2 );
break;
case 3: disp_16x32(16*2,1,c3 );
break;
case 4: disp_16x32(16*2,1,c4 );
break;
case 5 : disp_16x32(16*2,1,c5 );
break;
case 6: disp_16x32(16*2,1,c6 );
break;
case 7: disp_16x32(16*2,1,c7 );
break;
case 8: disp_16x32(16*2,1,c8 );
break;
case 9: disp_16x32(16*2,1,c9 );
break;
}
switch (ge)
{
case 0: disp_16x32(16*3,1, c0);
break;
case 1: disp_16x32(16*3,1, c1);
break;
case 2: disp_16x32(16*3,1, c2);
break;
case 3: disp_16x32(16*3,1, c3);
break;
case 4: disp_16x32(16*3,1, c4);
break;
case 5 : disp_16x32(16*3,1, c5);
break;
case 6: disp_16x32(16*3,1, c6);
break;
case 7: disp_16x32(16*3,1, c7);
break;
case 8: disp_16x32(16*3,1, c8);
break;
case 9: disp_16x32(16*3,1, c9);
break;
}
disp_16x32(16*5,1, ck);
disp_16x32(16*6,1, cm);
disp_16x32(16*7,1, c11);
disp_16x32(16*8,1, ch); //此行和上面3行为 KM/h 显示
}
/*********速度设定显示函数***************/
void dispspeed_set()
{
uchar hundred,ten,one;
hundred=speed_set/100;
ten=speed_set%100/10;
one=speed_set%10;
switch (hundred)
{
case 0: disp_8x16(8*1,7, x0);
break;
case 1: disp_8x16(8*1,7, x1);
break;
case 2: disp_8x16(8*1,7, x2);
break;
case 3: disp_8x16(8*1,7, x3);
break;
case 4: disp_8x16(8*1,7, x4);
break;
case 5: disp_8x16(8*1,7, x5);
break;
case 6: disp_8x16(8*1,7, x6);
break;
case 7: disp_8x16(8*1,7, x7);
break;
case 8: disp_8x16(8*1,7, x8);
break;
case 9: disp_8x16(8*1,7, x9);
break;
default:
break;
}
switch (ten)
{
case 0: disp_8x16(8*2,7, x0);
break;
case 1: disp_8x16(8*2,7, x1);
break;
case 2: disp_8x16(8*2,7, x2);
break;
case 3: disp_8x16(8*2,7, x3);
break;
case 4: disp_8x16(8*2,7, x4);
break;
case 5: disp_8x16(8*2,7, x5);
break;
case 6: disp_8x16(8*2,7, x6);
break;
case 7: disp_8x16(8*2,7, x7);
break;
case 8: disp_8x16(8*2,7, x8);
break;
case 9: disp_8x16(8*2,7, x9);
break;
default:
break;
}
switch (one)
{
case 0: disp_8x16(8*3,7, x0);
break;
case 1: disp_8x16(8*3,7, x1);
break;
case 2: disp_8x16(8*3,7, x2);
break;
case 3: disp_8x16(8*3,7, x3);
break;
case 4: disp_8x16(8*3,7, x4);
break;
case 5: disp_8x16(8*3,7, x5);
break;
case 6: disp_8x16(8*3,7, x6);
break;
case 7: disp_8x16(8*3,7, x7);
break;
case 8: disp_8x16(8*3,7, x8);
break;
case 9: disp_8x16(8*3,7, x9);
break;
default:
break;
}
disp_8x16(8*4,7, xk);
disp_8x16(8*5,7, xm);
disp_8x16(8*6,7, gang);
disp_8x16(8*7,7, xh);
}
/*********温度设定显示函数***************/
void disptemp_set()
{
uchar set1,hundred1,ten1,one1;
set1=temp_set;
hundred1=set1/100;
ten1=set1%100/10;
one1=set1%10;
switch (hundred1)
{
case 0: disp_8x16(8*15,7, x0);
break;
case 1: disp_8x16(8*15,7, x1);
break;
case 2: disp_8x16(8*15,7, x2);
break;
case 3: disp_8x16(8*15,7, x3);
break;
case 4: disp_8x16(8*15,7, x4);
break;
case 5: disp_8x16(8*15,7, x5);
break;
case 6: disp_8x16(8*15,7, x6);
break;
case 7: disp_8x16(8*15,7, x7);
break;
case 8: disp_8x16(8*15,7, x8);
break;
case 9: disp_8x16(8*15,7, x9);
break;
default:
break;
}
switch (ten1)
{
case 0: disp_8x16(8*16,7, x0);
break;
case 1: disp_8x16(8*16,7, x1);
break;
case 2: disp_8x16(8*16,7, x2);
break;
case 3: disp_8x16(8*16,7, x3);
break;
case 4: disp_8x16(8*16,7, x4);
break;
case 5: disp_8x16(8*16,7, x5);
break;
case 6: disp_8x16(8*16,7, x6);
break;
case 7: disp_8x16(8*16,7, x7);
break;
case 8: disp_8x16(8*16,7, x8);
break;
case 9: disp_8x16(8*16,7, x9);
break;
default:
break;
}
switch (one1)
{
case 0: disp_8x16(8*18,7, x0);
break;
case 1: disp_8x16(8*18,7, x1);
break;
case 2: disp_8x16(8*18,7, x2);
break;
case 3: disp_8x16(8*18,7, x3);
break;
case 4: disp_8x16(8*18,7, x4);
break;
case 5: disp_8x16(8*18,7, x5);
break;
case 6: disp_8x16(8*18,7, x6);
break;
case 7: disp_8x16(8*18,7, x7);
break;
case 8: disp_8x16(8*18,7, x8);
break;
case 9: disp_8x16(8*18,7, x9);
break;
default:
break;
}
disp_8x16(8*17,7, dian);
disp_8x16(8*19,7, x1c);
}
/**********定时器初始化**********/
void Init_time0(void)
{
TMOD |= 0x02; //定时器0工作方式2,8位自动装入计数
TH0=0X06; //2.5MS定时时间
TL0=0X06;
EA=1;
IT0=0; //外部中断1工作方式（下降沿有效）
EX0=1; //打开外部中断0
EX1=1; //打开外部中断1
IT1=1;
ET0=1; // 定时器0中断允许
TR0=1; // 定时器打开
}
/*********外部中断0****************/
void exter0() interrupt 0
{
count++; //脉冲数取样
}
/*********外部中断1****************/
void exter1() interrupt 2
{
if(plus_A==1)
{
speed_set++;
if(speed_set>=120)
{
speed_set=120;
}
}
else
{
speed_set--;
if(speed_set<=1)
{
speed_set=1;
}
}
/* if(plus_B==1)
{
temp_set++;
if(temp_set>=32)
{
temp_set=32;
}
}
else
{
temp_set--;
if(temp_set<=16)
{
temp_set=16;
}
} */
}
/*******定时器0，8位自动重装*****/
void time0() interrupt 1
{
TH0=0X06; //2.5MS定时时间
TL0=0X06;
a++;
if(a==4000) //1S时间刷新一次
{
// EX0=0;
speed= count*6696/1000; //6696=1.86*3600
_nop_;
_nop_;
_nop_;
count=0;
flag=1;
a=0;
led=~led;
// EX0=1;
}
}
void init_io()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
P6M0 = 0x00;
P6M1 = 0x00;
P7M0 = 0x00;
P7M1 = 0x00;
}
//-----------------------------
void main ()
{
init_io();
flag=0;
Init_time0();
// Init_time1();
initial_lcd(); //对液晶模块进行初始化设置
// clear_screen();
// disp_160x80(1,1,buick); //logo disp
// delay(3000);
clear_screen();
while(1)
{
disp_speed();
disp_cruise();
disptemp_set();
dispspeed_set();
}
}

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