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 ADC_ADC1_ADC0_x200          0x0B
#define ADC_ADC1_ADC0_x10           0x09
#define ADC_ADC1_ADC0_x40           0x26
#define ADC_TEMP_SENSOR_CHANNEL     0x27
#define ADC_GND_CHANNEL             0x1F
#define ADC_BG_CHANNEL              0x1E


#define Enable_adc()                         (ADCSRA |= (1<<ADEN))


#define Right_adjust_adc_result()            (ADMUX  &= ~(1<<ADLAR))
#define Left_adjust_adc_result()             (ADMUX  |=  (1<<ADLAR))


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



#define Enable_internal_vref()               (ADMUX  |=  ((1<<REFS1)|(1<<REFS0)) )
#define Enable_external_vref()               (ADMUX  &= ~((1<<REFS1)|(1<<REFS0)) )
#define Enable_vcc_vref()                    (ADMUX  &= ~(1<<REFS1),          \
                                              ADMUX  |=  (1<<REFS0) )


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


#define MUX4_0_MSK                           ((1<<MUX4)|(1<<MUX3)|(1<<MUX2)|(1<<MUX1)|(1<<MUX0))
#define Clear_adc_mux()                      ADMUX  &= ~(MUX4_0_MSK),(ADCSRB &= ~(1<<MUX5))
#define Select_adc_channel(channel)          (Clear_adc_mux(), ADCSRB |= (channel>>5)<<MUX5, ADMUX |= (channel&MUX4_0_MSK))



#define Start_conv()                          (ADCSRA |= (1<<ADSC) )
#define Start_conv_channel(channel)           (Select_adc_channel(channel), Start_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()                        (ADCSRA &= ~(1<<ADEN))


#define Is_adc_conv_finished()               ((ADCSRA &  (1<<ADIF)) ? TRUE : FALSE)
#define Is_adc_conv_not_finished()           ((ADCSRA | ~(1<<ADIF)) ? TRUE : FALSE)



//_____ 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