init.h

#ifndef __INIT_H__

#define __INIT_H__

#include <avr/io.h>

#define RPO_CS_I      PORTB

#define PIN_CS_I      PB0

#define RPO_CS_U      PORTB

#define PIN_CS_U      PB1

#define RPO_LED_R      PORTC

#define PIN_LED_R      PC0

#define RPO_LED_G      PORTC

#define PIN_LED_G      PC1

#define RPO_REG_EN      PORTD

#define PIN_REG_EN      PD2

#define RPO_U_I        PORTD

#define PIN_U_I        PD4

#define RPO_P_LOAD      PORTD

#define PIN_P_LOAD      PD5

#define ADC_V_TEMP      2

#define ADC_V_CUR      6

#define ADC_U_REG      7

#define ADMUX_U_REG      _BV(REFS0) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0)

#define ADMUX_V_CUR      _BV(REFS0) | _BV(MUX2) | _BV(MUX1)

#define ADMUX_V_TEMP    _BV(REFS0) | _BV(MUX1)

#define ADMUX_2V5      _BV(REFS0) | _BV(MUX1) | _BV(MUX0)

#define ADCSRA_ON      _BV(ADEN) | _BV(ADIE) | _BV(ADPS2) | _BV(ADPS0)

#define ADCSRA_OFF      0

#define ADCSRA_RUNNING    _BV(ADSC)

#define REDLED_ON();    RPO_LED_R &= ~_BV(PIN_LED_R);

#define REDLED_OFF();    RPO_LED_R |= _BV(PIN_LED_R);

#define GREENLED_ON();    RPO_LED_G &= ~_BV(PIN_LED_G);

#define GREENLED_OFF();    RPO_LED_G |= _BV(PIN_LED_G);

#define LOAD_ON();      RPO_P_LOAD |= _BV(PIN_P_LOAD);

#define LOAD_OFF();      RPO_P_LOAD &= ~_BV(PIN_P_LOAD);

#define SELECT_REG_U();    RPO_U_I |= _BV(PIN_U_I);

#define SELECT_REG_I();    RPO_U_I &= ~_BV(PIN_U_I);

#define REG_U_SELECTED    ((RPO_U_I & _BV(PIN_U_I)) != 0)

#define REG_I_SELECTED    ((RPO_U_I & _BV(PIN_U_I)) == 0)

#define SELECT_DAC_U();    RPO_CS_U &= ~_BV(PIN_CS_U);

#define UNSELECT_DAC_U();  RPO_CS_U |= _BV(PIN_CS_U);

#define SELECT_DAC_I();    RPO_CS_I &= ~_BV(PIN_CS_I);

#define UNSELECT_DAC_I();  RPO_CS_I |= _BV(PIN_CS_I);

#define REG_ENABLE();    RPO_REG_EN |= _BV(PIN_REG_EN);

#define REG_DISABLE();    RPO_REG_EN &= ~_BV(PIN_REG_EN);

void init_ports(void);

void init_spi(void);

void init_timebase(void);

void init_usart(void);

#endif //__INIT_H__