[SOLVED] Pic 16f877A (analog digital converter)

Code C - [expand]
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#include <16F877A.h>                // type of micricontroller
#fuses HS,NOWDT,NOLVP,NOPROTECT    // high speed oscillator, no watch dog timer
#use delay (clock=20M)             //20MHz crystal
#include <lcd.c>
 
 
 
     #define LCD_ENABLE_PIN  PIN_D0                                    ////set lcd port
     #define LCD_RS_PIN      PIN_D1                                    ////
     #define LCD_RW_PIN      PIN_D2                                    ////
     #define LCD_DATA4       PIN_D4                                    ////
     #define LCD_DATA5       PIN_D5                                    ////
     #define LCD_DATA6       PIN_D6                                    ////
     #define LCD_DATA7       PIN_D7 
float ALL;
 
void main()
{
  set_tris_b(0x00);    //set port b as output
  set_tris_C(0x00);    //set port c as output
  output_b(0x00);      //reset port b
  output_c(0x00);      //reset port c
  
  setup_adc(ADC_CLOCK_INTERNAL); // set internal clck for ADC
  setup_adc_ports(ALL_ANALOG);          //set s analog input
  
  lcd_init();
  while (true)
  {
    
    delay_ms(200);
    set_adc_channel(0);
    ALL=read_adc();
    lcd_gotoxy(1,1);
    printf(lcd_putc,"\fVDIG=%0.1f",(float)ALL);
    
   
   
   
  
   
  }
 
}

Code C - [expand]
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#DEVICE ADC=10
...
long value;
...
setup_adc(ADC_CLOCK_INTERNAL); //enables the a/d module 
                                                //and sets the clock to internal adc clock
setup_adc_ports(ALL_ANALOG);      //sets all the adc pins to analog
set_adc_channel(0);                       //the next read_adc call will read channel 0
delay_us(10);                               //a small delay is required after setting the channel //and before read
value=read_adc();                         //starts the conversion and reads the result
                                                  //and store it in value
read_adc(ADC_START_ONLY);            //only starts the conversion
value=read_adc(ADC_READ_ONLY);     //reads the result of the last conversion and store it in value.Assuming the device have 
                                                    //a 10bit ADC module, value willrange between 0-3FF. 
                                                    //If #DEVICE ADC=8 had been usedinstead the result will yield 0-FF. 
                                                     //  If #DEVICE ADC=16 hadbeen used instead the result will yield 0-FFC0