#ifndef __JTAG_H_
#define __JTAG_H_

#include <avr/io.h>

#define JTAG_PORT PORTB
#define JTAG_PIN PINB
#define JTAG_TCK PINB0
#define JTAG_TMS PINB1
#define JTAG_TDI PINB2
#define JTAG_TDO PINB3

extern void jtag_init(void);
extern void jtag_tms(char *buf, int nbits);
extern void jtag_shift(char *buf, int nbits);
extern void jtag_shift_inout(char *ibuf, char *obuf, int nbits);

#endif /* __JTAG_H_ */