PIC16F877A-HITECH C- ADC ADC

ADC

//in this i have setted AN0 as input ADC port // value after Anolog to digital conversion is stored at variable and // also shown at portc and portb in combined form(10 bit) #include<pic.h> #define _XTAL_FREQ 16000000 __CONFIG(0x3f7a); int a; void main() { TRISB=0;//setting port B as output PORTB=0; TRISC=0;//setting port C as output PORTC=0; TRISA=255;//setting the PORTA as input ADON=1;//enables ADC ADCS0=0;//setting the clock fo ADC ADCS1=0;//setting the clock fo ADC ADCS2=0;//setting the clock fo ADC ADFM=1;//sets the higher bits of conversion to right justified PCFG3=0;//Configuring 8 pin as adc input channels PCFG2=0;//Configuring 8 pin as adc input channels PCFG1=0;//Configuring 8 pin as adc input channels PCFG0=0;//Configuring 8 pin as adc input channels CHS2=0; CHS1=0; CHS0=0; while(1) { __delay_ms(100); a=(ADRESH<<8)+ADRESL; //this only for further data processing PORTC=ADRESH; //higher data byte PORTB=ADRESL; //lower data byte GO=1; // to restart conversion } } //in this i have setted AN0 as input ADC port // value after Anolog to digital conversion is stored at variable and // also shown at portc and portb in combined form(10 bit) #include<pic.h> #define _XTAL_FREQ 16000000 __CONFIG(0x3f7a); int a; void main() { TRISB=0;//setting port B as output PORTB=0; TRISC=0;//setting port C as output PORTC=0; TRISA=255;//setting the PORTA as input ADON=1;//enables ADC ADCS0=0;//setting the clock fo ADC ADCS1=0;//setting the clock fo ADC ADCS2=0;//setting the clock fo ADC ADFM=1;//sets the higher bits of conversion to right justified PCFG3=0;//Configuring 8 pin as adc input channels PCFG2=0;//Configuring 8 pin as adc input channels PCFG1=0;//Configuring 8 pin as adc input channels PCFG0=0;//Configuring 8 pin as adc input channels CHS2=0; CHS1=0; CHS0=0; while(1) { __delay_ms(100); a=(ADRESH<<8)+ADRESL; //this only for further data processing PORTC=ADRESH; //higher data byte PORTB=ADRESL; //lower data byte GO=1; // to restart conversion } }