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#ifndef _BUSMASTER_H_

#define _BUSMASTER_H_

#include <avr/io.h>

#include <stdint.h>

/* Read Write port and flags */

#define RDWRPORT        PORTF

#define RDWRPIN         PINF

#define RDWRDDR         DDRF

/* Pin values that indicate different operations

 * using (2**pinnumber) for easier code

 */

#define RD      0x04

#define WR      0x08

#define RDYPORT         PORTF

#define RDYPIN          PINF

#define RDYDDR          DDRF

#define RDY     0

#define ADDRLPIN        PINF

#define ADDRLPORT       PORTF   

#define ADDRLDDR        DDRF

#define ADDRHPIN        PINE

#define ADDRHPORT       PORTE

#define ADDRHDDR        DDRE

#define DATA0PIN        PINA

#define DATA0PORT       PORTA

#define DATA0DDR        DDRA

#define DATA1PIN        PIND

#define DATA1PORT       PORTD

#define DATA1DDR        DDRD

#define DATA2PIN        PINB

#define DATA2PORT       PORTB

#define DATA2DDR        DDRB

#define DATA3PIN        PINC

#define DATA3PORT       PORTC

#define DATA3DDR        DDRC

#define INTDDR          DDRF

#define INTPORT         PORTF

#define INT                     1

int32_t fpga_delayed_write(void);

void fpga_finish_read(uint32_t data);

void init_fpgabus(void);

uint32_t bus_read(uint8_t addr);

void bus_write(uint8_t addr, uint32_t data);

#endif /* !_BUSMASTER_H_ */