Electric Trolley Program

1#include <reg52. H>2 //#include "infrared. H"3#include <intrins.h>4 //extern unsigned char flag,model,gears,c,rev,set_temperature;5 #defineUchar unsigned char6 voidDelay (unsignedintx);//x*0.14ms7Sbit IN1 = p2^0;//Motor Direction8Sbit IN2 = p2^1;//Motor Direction9Sbit IN3 = p2^2;//Motor DirectionTenSbit IN4 = p2^3;//Motor Direction One   ASbit IRIN = p3^2;//Infrared receiver Data cable -Sbit v = p2^0; -Uchar ircom[7]; the voidIr_in () Interrupt0 using 0 - { -UnsignedCharj,k,n=0; -   +EX0 =0;//turn off external interrupts to prevent recurrence of interrupts into the detection boot code phase (9MS low 4.5ms High) -Delay the); +      if(irin==1)  A{EX0 =1;  at        return; -       }  -                            //confirm that the IR signal appears -    while(! IRIN)//when the IR becomes high, the leading low signal of 9MS is skipped.  -{Delay (1);} -  in   for(j=0;j<4; j + +)//collect four sets of data -  {  to        for(k=0;k<8; k++)//8 bits per set of data +       { -             while(IRIN)//when the IR becomes low, skip the 4.5ms boot high level signal.  the{Delay (1);} *              while(! IRIN)//when IR changes to high level ${Delay (1);}Panax Notoginseng               while(IRIN) -               { theDelay1); +n++;  A                 if(n>= -) the                      {  +ex0=1; -                          return; $                      }                   $               }                                         -IRCOM[J]=IRCOM[J] >>1;  -              if(n>=8) {Ircom[j] = Ircom[j] |0x80;}  then=0; -}//End for KWuyi}//End for J the     -    if(ircom[2]!=~ircom[3])//determine if there is no error (the responsibility to give up no key code) Wu{ex0=1; -      return;  About    } $    Switch(ircom[2]) -{//display the character keys on the remote control -            Case 0x45: Break;//Press switch on key to display the first feature item of the function array -              Case 0x46: Break;//function to select the 1602 display function A              Case 0x47: Break;//quiet for controlling the sound or not +              Case 0x44://back thein1=0; -In2=1; $in3=1; thein4=0; the                  Break;  the              Case 0x40://forward thein1=1; -In2=0; inin3=0; thein4=1; the                  Break;  About              Case 0x43://Braking thein1=0; theIn2=0; thein3=0; +in4=0; -                  Break;  the              Case 0x07: Break;//eq for return key, return back to first functionBayi             Case 0x15: Break; the               Case 0x09: Break; the               Case 0x16: Break; -              Case 0x19: Break; -              Case 0x0d: Break; the              Case 0x0c: Break; the              Case 0x18: Break; the              Case 0x5e: Break; the              Case 0x08: Break; -              Case 0x1c: Break; the              Case 0x5a: Break; the              Case 0x42: Break; the              Case 0x52: Break;94              Case 0x4a: Break; the          } theEX0 =1; the          98 } About  - /**********************************************************/101 voidDelay (unsignedintX//x*0.14ms102 {103UnsignedChari;104    while(x--) the  {106    for(i =0; i< -; i++) {}107  }108 }109  the voidIntn_0 ()//IR Interrupt Initialization111 { theirin=1;//I/O port initialization113IE |=0x81;//allow total interrupt interrupt to enable INT0 external interrupt theTCON |=0x01;//trigger mode is pulse negative edge trigger theip=0x20; the }117 118 voidMain ()119 { -     121 intn_0 ();122     123      while(1);124      the}

Electric Trolley Program