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自动避障红外电动小车c51程序(Automatic obstacle avoidance infrared electric car C51 program)
自动避障红外电动小车c51程序(Automatic obstacle avoidance infrared electric car C51 program)
Automatic obstacle avoidance infrared electric car C51 program
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Automatic obstacle avoidance infrared electric car C51 program
#include reg51.h
#includeintrins.h
#define uchar unsigned char
#define uint unsigned int
#define left_infrare 0
#define right_infrare 1
#define dj_state1 / / 0X5F.
Right #define dj_state2 / / 0X4F
#define dj_state3 0X1F / / left
#define dj_state4 / / 0X0F.
#define dj_state5 / / 0XfF parking
#define light_off 0x0f / / turn off the steering lamp
#define left_light 0X5F / / left turn signal two is 5F
#define right_light 0XaF / / right turn lights 0xaf, two is 0xbf
#define back_light 0XcF / brake lamp that lights
#define front_light / / 0x3f headlights
#define light_on 0xff / / open all the lights
#define true 1
#define false 0
#define LCD_Data P0
#define Busy / / 0x80 for the detection of LCD in the status word Busy logo
Sbit c=P1^2; / / turn signal enable end
Uchar code talk1[]={backward};
Uchar code talk2[]={forward};
Uchar code talk3[]={Turnleft};
Uchar code talk4[]={Turn right};
Uchar flage =0x00;
Sbit ledcs=P1^2; //74H573 chip select signal
//sbit left_led=P0^2; / / left infrared emission tube
//sbit right_led=P0^3; / / right infrared emission tube
Sbit LCD_RS = P1^5; //LCD definition pin
Sbit LCD_RW = P1^6; / /
Sbit LCD_E = P1^7;
Void Delay5Ms (void)
{
Uint TempCyc = 5552;
While (TempCyc--);
}
//400ms delay
Void Delay400Ms (void)
{uchar TempCycA = 5;
Uint TempCycB;
While (TempCycA--)
{TempCycB=7269;
While (TempCycB--);
}
}
//LCD read status
Unsigned char ReadStatusLCD (void)
{
LCD_Data = 0xFF;
LCD_RS = 0;
LCD_RW = 1;
LCD_E = 0;
LCD_E = 0;
LCD_E = 1;
While (LCD_Data Busy); / / busy signal detection
Return (LCD_Data);
}
//LCD writes data
Void WriteDataLCD (unsigned, char, WDLCD)
{
(ReadStatusLCD); / / detection.
LCD_Data = WDLCD;
LCD_RS=1;
LCD_RW =0;
LCD_E = 0; / / if the crystal sp
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