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284 Kevin 1 
#include "defines.h"
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#include "ADC.h"
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void ADC_Init(void) {
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    ADCON0bits.ADON = 0;        // Turn off ADC module
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    ADCON1bits.ADFM = 1;        // Right justified data
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    ADCON1bits.ADCS = 0b110;    // A/D conversion clock = FOSC/64
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    ADCON1bits.ADNREF = 0;      // Negative reference is VSS
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    ADCON1bits.ADPREF = 0b00;   // Positive reference is VDD
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}
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uint16_t ADC_Read(uint8_t channel) {
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    uint16_t ret;
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    ADCON0bits.CHS = channel;   // Set channel
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    ADCON0bits.ADON = 1;        // Turn ADC on
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    __delay_us(10);             // Wait the acquisition time
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    ADCON0bits.GO_nDONE = 1;    // Start conversion
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    while (ADCON0bits.GO_nDONE == 1);   // Wait for conversion to finish
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    ret  = ADRESH << 8;         // Read ADC value
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    ret |= ADRESL;
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    return ret;
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}