基于89C51单片机的智能小车——06.测速小车_C

测速模块

用途：广泛用于电机转速检测，脉冲计数,位置限位等。

接线
VCC 接电源正极3.3-5V
GND 接电源负极
DO TTL开关信号输出
AO 此模块不起作用

测试原理和单位换算

轮子走一圈，经过一个周长，C = 2x3.14x半径= 3.14 x 直径（6.5cm）
对应的码盘也转了一圈，码盘有20个格子，每经过一个格子，会遮挡（高电平）和不遮挡（低电平），那么一个脉冲就是走了 3.14 * 6.5 cm /20 = 1.0205CM
定时器可以设计成一秒，统计脉冲数，一个脉冲就是1cm
假设一秒有80脉冲，那么就是80cm/s

定时器和中断实现测速

main.c

#include "motor.h"
#include "delay.h"
#include "uart.h"
#include "reg52.h"
#include "time.h"
#include "stdio.h"
 
sbit speedIO = P3^2;//外部中断0
unsigned int speedCnt = 0; //统计格子，脉冲次数
extern unsigned int speed;//速度
extern char signal; //主程序发速度数据的通知
char speedMes[24];  //主程序发送速度数据的字符串缓冲区
 
void Ex0Init()
{
    EX0 = 1;//允许中断
    //EA = 1;在串口初始化函数中已经打开了总中断
    IT0 = 1;//外部中断的下降沿触发
}
 
void main()
{
    Time0Init();//定时器0初始化
    UartInit();//串口相关初始化
    //外部中断初始化
    Ex0Init();
     
    while(1){
        if(signal){//定时器1s到点，把signal置一，主程序发送速度
            sprintf(speedMes,"speed:%d cm/s",speed);//串口数据的字符串拼装，speed是格子，每个格子1cm
            SendString(speedMes);//速度发出去
            signal = 0;//清0speed,下次由定时器1s后的中断处理中再置一
        }
    }
}
 
void speedHandler() interrupt 0 //外部中断处理函数
{
    speedCnt++;//码盘转动了一个格子
}

time.c

#include "motor.h"
#include "reg52.h"
 
extern unsigned int speedCnt;
unsigned int speed;
char signal = 0;
unsigned int cnt = 0;
 
void Time0Init()
{
    //1. 配置定时器0工作模式位16位计时
    TMOD = 0x01;
    //2. 给初值，定一个0.5出来
    TL0=0x33;
    TH0=0xFE;
    //3. 开始计时
    TR0 = 1;
    TF0 = 0;
    //4. 打开定时器0中断
    ET0 = 1;
    //5. 打开总中断EA
    EA = 1;
}
 
void Time0Handler() interrupt 1
{
    cnt++;  //统计爆表的次数. cnt=1的时候，报表了1
    //重新给初值
    TL0=0x33;
    TH0=0xFE;
     
    if(cnt == 2000){//爆表2000次，经过了1s
        signal = 1;
        cnt = 0;  //当100次表示1s，重新让cnt从0开始，计算下一次的1s
        //计算小车的速度，也就是拿到speedCnt的值
        speed = speedCnt;
        speedCnt = 0;//1秒后拿到speedCnt个格子，就能算出这1s的速度，格子清零
    }      
}

uart.c

#include "reg52.h"
#include "motor.h"
#include "string.h"
sbit D5 = P3^7;
#define SIZE 12
 
sfr AUXR = 0x8E;
char buffer[SIZE];
 
void UartInit(void)     //9600bps@11.0592MHz
{
    AUXR = 0x01;
    SCON = 0x50; //配置串口工作方式1，REN使能接收
    TMOD &= 0x0F;
    TMOD |= 0x20;//定时器1工作方式位8位自动重装
     
    TH1 = 0xFD;
    TL1 = 0xFD;//9600波特率的初值
    TR1 = 1;//启动定时器
     
    EA = 1;//开启总中断
    ES = 1;//开启串口中断
}
 
void SendByte(char mydata)
{
    SBUF = mydata;
    while(!TI);
    TI = 0;
}
 
void SendString(char *str)
{
    while(*str != ')'SendByte{
        (*)str;++
        str;}
    }
//M1qian  M2 hou M3 zuo  M4 you
void
Uart_Handler ()4 interrupt static
{
    int = i 0 ;//静态变量，被初始化一次char
    ; tmpif
 
    ()RI//中断处理函数中，对于接收中断的响应=
    {
            RI 0 ;//清除接收中断标志位=
            tmp ; SBUFif
            (==tmp 'M' )={
                i 0 ;}
            [
            buffer++i]= ; tmp//灯控指令
         
            if
            ([buffer0]== 'M' )switch{
                ([buffer1])case{
                    '1' :goForward
                        ();break
                        ;case
                    '2' :goBack
                        ();break
                        ;case
                    '3' :goLeft
                        ();break
                        ;case
                    '4' :goRight
                        ();break
                        ;default
                    :stop
                        ();break
                        ;}
                }
            if
         
            (==i 12 )memset {
                (,buffer',' ); SIZE=0
                i ; }}
            }
    #       
include

motor.c

"reg52.h"= ^
 
sbit RightCon1A 7 P3;=^
sbit RightCon1B 3 P3;=^
 
sbit LeftCon1A 4 P3;=^
sbit LeftCon1B 5 P3;voidgoForward
 
( )=0
{
    LeftCon1A ; =1
    LeftCon1B ; =0
     
    RightCon1A ; =1
    RightCon1B ; }void
goRight
 
( )=0
{
    LeftCon1A ; =1
    LeftCon1B ; =0
     
    RightCon1A ; =0
    RightCon1B ; }void
goLeft
 
 
( )=0
{
    LeftCon1A ; =0
    LeftCon1B ; =0
     
    RightCon1A ; =1
    RightCon1B ; }void
goBack
 
( )=1
{
    LeftCon1A ; =0
    LeftCon1B ; =1
     
    RightCon1A ; =0
    RightCon1B ; }void
stop
 
( )=0
{
    LeftCon1A ; =0
    LeftCon1B ; =0
     
    RightCon1A ; =0
    RightCon1B ; }#
include

delay.c

"intrins.h"void Delay1000ms
 
( )//@11.0592MHzunsigned      char
{
    , , i; j_nop_ k(
 
    );=8
    i ; =1
    j ; =243
    k ; dodo
    while
    {
        (
        {
            -- );k}while
        ( -- );j}while
    ( -- );i}#
include

蓝牙控制并通过Oled显示速度实现测速

main.c

"motor.h"# include
"delay.h"# include
"uart.h"# include
"reg52.h"# include
"time.h"# include
"stdio.h"# include
"Oled.h"= ^
 
sbit speedIO 2 P3;//外部中断0unsignedint
= 0 speedCnt ; //统计格子，脉冲次数extern unsigned
int ; //速度 speedexternchar
; //主程序发速度数据的通知 signalchar [
24 speedMes];//主程序发送速度数据的字符串缓冲区void  Ex0Init
 
( )=1
{
    EX0 ; //允许中断//EA = 1;在串口初始化函数中已经打开了总中断=
    1
    IT0 ; //外部中断的下降沿触发}void
main
 
( )Time0Init(
{
    );//定时器0初始化UartInit(
    );//串口相关初始化//外部中断初始化Ex0Init
    (
    );Oled_Init(
    );Oled_Clear(
    );while(
    1)if({
        )//定时器1s到点，把signal置一，主程序发送速度signalsprintf{(
            ,"speed:%d cm/s"speedMes,);speed//串口数据的字符串拼装，speed是格子，每个格子1cmSendString(
            );speedMes//速度发出去=0
         
            signal ; //清0speed,下次由定时器1s后的中断处理中再置一}Oled_Show_Str
        (
        2,2,);speedMes}}
    void
speedHandler
 
( )0//外部中断处理函数 interrupt ++ ;
{
    speedCnt//码盘转动了一个格子}#
include

Oled.c

"reg52.h"# include
"intrins.h"# include
"Oledfont.h"= ^
 
 
sbit scl 2 P1;=^
sbit sda 3 P1;voidIIC_Start
 
( )=0
{
    scl ; =1
    sda ; =1
    scl ; _nop_(
    );=0
    sda ; _nop_(
    );}void
IIC_Stop
 
( )=0
{
    scl ; =0
    sda ; =1
    scl ; _nop_(
    );=1
    sda ; _nop_(
    );}char
IIC_ACK
 
( )char;
{
    = flag1
    sda ; //就在时钟脉冲9期间释放数据线_nop_(
    );=1
    scl ; _nop_(
    );=;
    flag _nop_ sda(
    );=0
    scl ; _nop_(
    );return;
     
    } flagvoid
IIC_Send_Byte
 
( char)int dataSend;
{
    for i(
     
    =0i ; <8i;++)i=0{
        scl ; //scl拉低，让sda做好数据准备=&
        sda 0x80 dataSend ; //1000 0000获得dataSend的最高位，给sda_nop_(
        );//发送数据建立时间=1
        scl ; //scl拉高开始发送_nop_(
        );//数据发送时间=0
        scl ; //发送完毕拉低_nop_(
        );//=<<
        dataSend 1 dataSend ; }}
    void
Oled_Write_Cmd
 
( char)//  1. start() dataCmdIIC_Start
{
    (
    );//      //  2. 写入从机地址  b0111 1000 0x78
    IIC_Send_Byte
    (
    0x78);//  3. ACKIIC_ACK
    (
    );//  4. cotrol byte: (0)(0)000000 写入命令   (0)(1)000000写入数据IIC_Send_Byte
    (
    0x00);//  5. ACKIIC_ACK
    (
    );//6. 写入指令/数据IIC_Send_Byte
    (
    );dataCmd//7. ACKIIC_ACK
    (
    );//8. STOPIIC_Stop
    (
    );}void
Oled_Write_Data
 
( char)//  1. start() dataDataIIC_Start
{
    (
    );//      //  2. 写入从机地址  b0111 1000 0x78
    IIC_Send_Byte
    (
    0x78);//  3. ACKIIC_ACK
    (
    );//  4. cotrol byte: (0)(0)000000 写入命令   (0)(1)000000写入数据IIC_Send_Byte
    (
    0x40);//  5. ACKIIC_ACK
    (
    );///6. 写入指令/数据IIC_Send_Byte
    (
    );dataData//7. ACKIIC_ACK
    (
    );//8. STOPIIC_Stop
    (
    );}void
Oled_Init
 
 
( void)Oled_Write_Cmd({
    0xAE);//--display offOled_Write_Cmd(
    0x00);//---set low column addressOled_Write_Cmd(
    0x10);//---set high column addressOled_Write_Cmd(
    0x40);//--set start line address  Oled_Write_Cmd(
    0xB0);//--set page addressOled_Write_Cmd(
    0x81);// contract controlOled_Write_Cmd (
    0xFF);//--128   Oled_Write_Cmd(
    0xA1);//set segment remap Oled_Write_Cmd(
    0xA6);//--normal / reverseOled_Write_Cmd(
    0xA8);//--set multiplex ratio(1 to 64)Oled_Write_Cmd(
    0x3F);//--1/32 dutyOled_Write_Cmd(
    0xC8);//Com scan directionOled_Write_Cmd(
    0xD3);//-set display offsetOled_Write_Cmd(
    0x00);//Oled_Write_Cmd(
     
    0xD5);//set osc divisionOled_Write_Cmd(
    0x80);//Oled_Write_Cmd(
     
    0xD8);//set area color mode offOled_Write_Cmd(
    0x05);//Oled_Write_Cmd(
     
    0xD9);//Set Pre-Charge PeriodOled_Write_Cmd(
    0xF1);//Oled_Write_Cmd(
     
    0xDA);//set com pin configuartionOled_Write_Cmd(
    0x12);//Oled_Write_Cmd(
     
    0xDB);//set VcomhOled_Write_Cmd(
    0x30);//Oled_Write_Cmd(
     
    0x8D);//set charge pump enableOled_Write_Cmd(
    0x14);//Oled_Write_Cmd(
     
    0xAF);//--turn on oled panel     }void
Oled_Clear
 
( )unsignedchar
{
    , ; i//-128 --- 127jfor (
     
    =0i;<8i;++)iOled_Write_Cmd({
        0xB0+) ; i//page0--page7//每个page从0列Oled_Write_Cmd
        (
        0x00);Oled_Write_Cmd(
        0x10);//0到127列，依次写入0，每写入数据，列地址自动偏移for
        (
        =0j ; <128j;++)jOled_Write_Data({
            0);}}
        }
    void
Oled_Show_Char
 
( char,char row,char col)//row*2-2 oledCharunsigned{ int
    ; Oled_Write_Cmd  i(
    0xb0+(*2row-2));//page 0Oled_Write_Cmd                           (
    0x00+(&0x0fcol));//lowOled_Write_Cmd                          (
    0x10+(4)col>>);//high  for                            (
    =(i(-32oledChar)*16);<(i(-32oledChar)*16+8);++)iOled_Write_Data({
        []F8X16)i;//写数据oledTable1}                            Oled_Write_Cmd
    (
 
    0xb0+(*2row-1));//page 1Oled_Write_Cmd                           (
    0x00+(&0x0fcol));//lowOled_Write_Cmd                          (
    0x10+(4)col>>);//highfor                            (
    =(i(-32oledChar)*16+8);<(i(-32oledChar)*16+8+8);++)iOled_Write_Data({
        []F8X16)i;//写数据oledTable1}                            }
    void       
Oled_Show_Str
 
( char,char row,char col*) whilestr({
    *!=0str)Oled_Show_Char({
        ,,row*col);str++;
        str+=8
        col ; }}   
    #       
include

uart.c

"reg52.h"# include
"motor.h"# include
"string.h"= ^
sbit D5 7 P3;#define
SIZE12 = 0x8E
 
sfr AUXR ; char[
] buffer;SIZEvoidUartInit
 
( void)//9600bps@11.0592MHz=     0x01
{
    AUXR ; =0x50
    SCON ; //配置串口工作方式1，REN使能接收&= 0x0F
    TMOD ; |=0x20
    TMOD ; //定时器1工作方式位8位自动重装=0xFD
     
    TH1 ; =0xFD
    TL1 ; //9600波特率的初值=1
    TR1 ; //启动定时器=1
     
    EA ; //开启总中断=1
    ES ; //开启串口中断}void
SendByte
 
 
( char)= mydata;
{
    SBUF while mydata(
    !);TI=0
    TI ; }void
SendString
 
( char*) whilestr(
{
    *!=')'str SendByte (*{
        );++str;}
        str}//M1qian  M2 hou M3 zuo  M4 you
    void
Uart_Handler
 
 
(
) 4staticint interrupt =
{
    0 ; i //静态变量，被初始化一次 char;if
    ( tmp)
 
    //中断处理函数中，对于接收中断的响应=RI0;
    {
            RI //清除接收中断标志位 =;if
            tmp ( SBUF==
            'M')tmp = 0;{
                i } [++
            ]
            buffer=i;//灯控指令 if tmp(
         
            [
            0]buffer=='M') switch ([{
                1]buffer)case'1':{
                    goForward ()
                        ;break;case
                        '2':
                    goBack ()
                        ;break;case
                        '3':
                    goLeft ()
                        ;break;case
                        '4':
                    goRight ()
                        ;break;default
                        :stop
                    ()
                        ;break;}
                        }if
                (
            ==
         
            12)i memset (, {
                ',')buffer; =0 SIZE;}
                i } }#
            include
    "reg52.h"
         
=

motor.c

^7 ;
 
sbit RightCon1A = P3^3;
sbit RightCon1B = P3^4;
 
sbit LeftCon1A = P3^5;
sbit LeftCon1B void P3goForward()
 
= 0;=
{
    LeftCon1A 1 ;=
    LeftCon1B 0 ;=
     
    RightCon1A 1 ;}
    RightCon1B void goRight(
)
 
= 0;=
{
    LeftCon1A 1 ;=
    LeftCon1B 0 ;=
     
    RightCon1A 0 ;}
    RightCon1B void goLeft(
)
 
 
= 0;=
{
    LeftCon1A 0 ;=
    LeftCon1B 0 ;=
     
    RightCon1A 1 ;}
    RightCon1B void goBack(
)
 
= 1;=
{
    LeftCon1A 0 ;=
    LeftCon1B 1 ;=
     
    RightCon1A 0 ;}
    RightCon1B void stop(
)
 
= 0;=
{
    LeftCon1A 0 ;=
    LeftCon1B 0 ;=
     
    RightCon1A 0 ;}
    RightCon1B # include"motor.h"
#

time.c

include"reg52.h" extern
unsignedint ;
 
unsigned int ; speedCntchar
= 0 speed;
unsigned signal int =0
; void cnt Time0Init ()
 
//1. 配置定时器0工作模式位16位计时 =0x01;
{
    //2. 给初值，定一个0.5出来
    TMOD = 0x33;
    =
    TL00xFE;//3. 开始计时
    TH0=1;
    =
    TR0 0 ;//4. 打开定时器0中断
    TF0 = 1;
    //5. 打开总中断EA
    ET0 = 1;
    }
    EA void Time0Handler(
)
 
1 ++;//统计爆表的次数. cnt=1的时候，报表了1 interrupt //重新给初值
{
    cnt=0x33  ;
    =
    TL00xFE;if
    TH0(==2000
     
    )//爆表2000次，经过了1scnt = 1;{=
        signal 0 ;//当100次表示1s，重新让cnt从0开始，计算下一次的1s
        cnt //计算小车的速度，也就是拿到speedCnt的值 =;  =
        0
        speed ; speedCnt//1秒后拿到speedCnt个格子，就能算出这1s的速度，格子清零
        speedCnt } }#include
    "intrins.h"
         
void

delay.c

Delay1000ms( )
 
//@11.0592MHz unsignedchar,      ,
{
    ; _nop_ i( j) k;
 
    =8;=
    i 1 ;=
    j 243 ;do
    k do while(
    --
    {
        )
        {
            ; }whilek(--
        ) ; }whilej(--
    ) ; }constiunsignedchar
[

Oledfont.h

] = 0x00 code F8X16,0x00,     
{
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 00x00,0x00,
  0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 10x00,0x10,
  0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 20x40,0xC0,
  0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 30x00,0x70,
  0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 40xF0,0x08,
  0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 50x00,0xF0,
  0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 60x10,0x16,
  0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 70x00,0x00,
  0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 80x00,0x02,
  0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 90x40,0x40,
  0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 100x00,0x00,
  0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 110x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 120x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 130x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 140x00,0x00,
  0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 150x00,0xE0,
  0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 160x00,0x10,
  0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 170x00,0x70,
  0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 180x00,0x30,
  0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 190x00,0x00,
  0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 200x00,0xF8,
  0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 210x00,0xE0,
  0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 220x00,0x38,
  0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 230x00,0x70,
  0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 240x00,0xE0,
  0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 250x00,0x00,
  0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 260x00,0x00,
  0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 270x00,0x00,
  0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 280x40,0x40,
  0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 290x00,0x08,
  0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,0x00,0x70,//> 30
  0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 310xC0,0x30,
  0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 320x00,0x00,
  0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 330x08,0xF8,
  0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 340xC0,0x30,
  0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 350x08,0xF8,
  0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 360x08,0xF8,
  0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 370x08,0xF8,
  0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 380xC0,0x30,
  0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 390x08,0xF8,
  0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 400x00,0x08,
  0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 410x00,0x00,
  0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 420x08,0xF8,
  0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 430x08,0xF8,
  0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 440x08,0xF8,
  0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 450x08,0xF8,
  0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 460xE0,0x10,
  0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 470x08,0xF8,
  0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 480xE0,0x10,
  0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 490x08,0xF8,
  0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 500x00,0x70,
  0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 510x18,0x08,
  0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 520x08,0xF8,
  0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 530x08,0x78,
  0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 540xF8,0x08,
  0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 550x08,0x18,
  0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 560x08,0x38,
  0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 570x10,0x08,
  0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 580x00,0x00,
  0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 590x00,0x0C,
  0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 600x00,0x02,
  0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 610x00,0x00,
  0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 620x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 630x00,0x02,
  0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 640x00,0x00,
  0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 650x08,0xF8,
  0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 660x00,0x00,
  0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 670x00,0x00,
  0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 680x00,0x00,
  0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 690x00,0x80,
  0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 700x00,0x00,
  0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 710x08,0xF8,
  0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 720x00,0x80,
  0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 730x00,0x00,
  0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 740x08,0xF8,
  0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 750x00,0x08,
  0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 760x80,0x80,
  0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 770x80,0x80,
  0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 780x00,0x00,
  0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 790x80,0x80,
  0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 800x00,0x00,
  0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 810x80,0x80,
  0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 820x00,0x00,
  0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 830x00,0x80,
  0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 840x80,0x80,
  0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 850x80,0x80,
  0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 860x80,0x80,
  0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 870x00,0x80,
  0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 880x80,0x80,
  0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 890x00,0x80,
  0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 900x00,0x00,
  0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 910x00,0x00,
  0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 920x00,0x02,
  0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 930x00,0x06,
  0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94};

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基于89C51单片机的智能小车——06.测速小车

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