adc_drv.h

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#ifndef ADC_DRV_H
#define ADC_DRV_H

//_____ I N C L U D E S ____________________________________________________

#ifndef  ADHSM
#define  ADHSM   7
#endif

//_____ M A C R O S ________________________________________________________


#define Enable_adc()                         (ADCB.CTRLB |= ADC_ENABLE_bm)

#define Right_adjust_adc_result()            (ADCB.CTRLA = ((ADCB.CTRLA & ~ ADC_RESOLUTION_LEFT12BIT_gc) | ADC_RESOLUTION_12BIT_gc))
#define Left_adjust_adc_result()             (ADCB.CTRLA |= ADC_RESOLUTION_LEFT12BIT_gc)

#define Enable_adc_high_speed_mode()         (ADCSRB |=  (1<<ADHSM))
#define Disable_adc_high_speed_mode()        (ADCSRB &= ~(1<<ADHSM))


#define Enable_internal_vref()               (ADCB.REFCTRL = ADC_REFSEL_INT1V_gc)
#define Enable_internal_vref_decoupled()     (ADCB.REFCTRL = ADC_REFSEL_INT1VDECOUPLED_gc)
#define Enable_vcc_vref()                    (ADCB.REFCTRL = ADC_REFSEL_INTVCC_gc)
#define Enable_vcc_vref_decoupled()          (ADCB.REFCTRL = ADC_REFSEL_INTVCCDECOUPLED_gc)
#define Enable_external_vref()               (ADCB.REFCTRL = ADC_REFSEL_EXT_gc)


#define Enable_all_it()                      (SREG   |=  (0x80) )
#define Disable_all_it()                     (SREG   &= ~(0x80) )
#define Enable_adc_it()                      (ADCSRA |=  (1<<ADIE) )
#define Disable_adc_it()                     (ADCSRA &= ~(1<<ADIE) )
#define Clear_adc_flag()                     (ADCSRA &=  (1<<ADIF) )

#define Set_prescaler(prescaler)             (ADCSRA &= ~((1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0)),\
                                              ADCSRA |=  (prescaler) )

#define Clear_adc_mux()                      (ADMUX  &= ~((1<<MUX3)|(1<<MUX2)|(1<<MUX1)|(1<<MUX0)) )
#define Select_adc_channel(channel)          (Clear_adc_mux(), ADMUX |= (channel) )


#define Start_conv()                          (ADCB.CTRLB |= ADC_CH0START_bm)
#define Start_conv_channel(channel)           (Select_adc_channel(channel), Start_conv() )
#define Start_amplified_conv()                (ADCSRB |= (1<<ADASCR) )
#define Stop_amplified_conv()                 (ADCSRB &= ~(1<<ADASCR) )
#define Start_amplified_conv_channel(channel) (Select_adc_channel(channel), Start_amplified_conv() )

#define Start_conv_idle()                    (SMCR   |=  (1<<SM0)|(1<<SE) )
#define Start_conv_idle_channel(channel)     (Select_adc_channel(channel), Start_conv_idle() )
#define Clear_sleep_mode()                   (SMCR   &= ~(1<<SM0)|(1<<SE) )


#define Adc_get_8_bits_result()               ((U8)(ADCH))
#define Adc_get_10_bits_result()              ((U16)(ADCL+((U16)(ADCH<<8))))


#define Disable_adc()                         (ADCB.CTRLA &= ~ADC_ENABLE_bm)

#define Is_adc_conv_finished()               (ADCB.INTFLAGS & ADC_CH0IF_bm)
#define Is_adc_conv_not_finished()           (ADCB.INTFLAGS & ADC_CH0IF_bm)) ? FALSE : TRUE )


//_____ D E F I N I T I O N S ______________________________________________

//_____ F U N C T I O N S __________________________________________________

void init_adc(void);


#endif  // ADC_DRV_H