adc.h

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#ifndef ADC_H_
#define ADC_H_

// ##### Includes #####
#include <avr/io.h>
#include <stdio.h>


// ##### Definitions #####
enum ADC_REF {
    ADC_EXTERNAL_REF,   
    ADC_INTERNAL_VCC_EXT_CAP,
    ADC_INTERNAL_VCC_REF,
    ADC_INTERAL_2V56_CAP,
    ADC_INTERNAL_2V56
    };
    

enum ADC_CLK_DIV {
    ADC_CLK_DIV_2,      
    ADC_CLK_DIV_4,      
    ADC_CLK_DIV_8,      
    ADC_CLK_DIV_16,     
    ADC_CLK_DIV_32,     
    ADC_CLK_DIV_64,     
    ADC_CLK_DIV_128,    
    };


enum ADC_CH {
    ADC0 = 0,
    ADC1 = 1,
    ADC2 = 2,
    ADC3 = 3,
    ADC4 = 4,
    ADC5 = 5,
    ADC6 = 6,
    ADC7 = 7,
    ADC8 = 8,
    ADC9 = 9,
    ADC10 = 10,
    VCC_4 = 12,
    AMP0 = 14,
    AMP1 = 15,
    AMP2 = 16,
    BANDGAP = 17,
    GND = 18,       
    };
    
enum ADC_GAIN {
    ADC_GAIN5  = 0,
    ADC_GAIN10 = 1,
    ADC_GAIN20 = 2,
    ADC_GAIN40 = 3,
    };
    

// ##### Functions #####
void adcReference(ADC_REF mode);
void adcInit(ADC_CLK_DIV clk_div_value);
uint16_t adcRead(ADC_CH channel);
int16_t adcReadDiff(ADC_CH channel, ADC_GAIN gain);
int8_t adcTempRead(void);
void adcTempOffset(int8_t offset);
ADC_REF adcGetReference(void);


#endif /* ADC_H_ */