adc_7seg.lst

来自「PIC MICROCONTROLLER PROJECTS 2」· LST 代码 · 共 32 行

     1: #include<pic.h>
     2: unsigned char c1;
     3: 
     4: void main()
     5: {
     6:                 #define ADCOSC          0b01000000              
     7:                 #define CHANNEL0     0b00000000         // ADC channel 0 (RA0/AN0)
     8:                 #define ADCON           0b00000101              // ADC power on
     9:                 
    10:                 ADRESH=0x00;
    11:                 ADRESL=0x00;
    12:                 
    13:                 TRISB=0x00;
    14:                 PORTB=0x00;
    15:                 TRISC=0x00;
    16:                 PORTC=0x00;     
    17:         
    18:                 ADCON1=0x00;
    19:                 ADCON0= ADCOSC | CHANNEL0 | ADCON;
    20:                 
    21:                 ADCON0= ADCON0 | 0b00000100;
    22:                 
    23:                 while(1)
    24:                 {
    25:                 unsigned char a;        
    26:                 while (ADGO==1);
    27:                 a=ADRESL,ADRESH;
    28:                 a=a*255/1023;
    29:                 PORTB=0xFF&a;
    30:                 }
    31: }