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#ifndef _CABLE_COMMON_H_

#define _CABLE_COMMON_H_

#include <stdint.h>

typedef struct {

  const char *name;

  int (*inout_func)(uint8_t, uint8_t *);

  int (*out_func)(uint8_t);

  int (*init_func)();

  int (*opt_func)(int, char *);

  int (*bit_out_func)(uint8_t);

  int (*bit_inout_func)(uint8_t, uint8_t *);

  int (*stream_out_func)(uint32_t *, int, int);

  int (*stream_inout_func)(uint32_t *, uint32_t *, int, int);

  int (*flush_func)();

  const char *opts;

  const char *help;

} jtag_cable_t;

// Defines to use in the 'packet' args of cable_write_bit()

// and cable_read_write_bit().  Note that while TRST is 

// active low for JTAG hardware, here the TRST bit

// should be set when you want the TRST wire active

// (JTAG TAP to be reset).

#define TRST     (0x04)

#define TMS      (0x02)

#define TDO      (0x01)

// These should only be used in the cable_* files.

#define TCLK_BIT (0x01)

#define TRST_BIT (0x02)

#define TDI_BIT  (0x04)

#define TMS_BIT  (0x08)

#define TDO_BIT  (0x20)

// Cable subsystem / init routines

void cable_setup(void);

int cable_select(const char *cable);

int cable_init();

int cable_parse_opt(int c, char *str);

const char *cable_get_args();

void cable_print_help();

// Cable API routines

int cable_write_bit(uint8_t packet);

int cable_read_write_bit(uint8_t packet_out, uint8_t *bit_in);

int cable_write_stream(uint32_t *stream, int len_bits, int set_last_bit);

int cable_read_write_stream(uint32_t *outstream, uint32_t *instream, int len_bits, int set_last_bit);

int cable_flush(void);

// Common functions for lower-level drivers to use as desired

int cable_common_write_bit(uint8_t packet);

int cable_common_read_write_bit(uint8_t packet_out, uint8_t *bit_in);

int cable_common_write_stream(uint32_t *stream, int len_bits, int set_last_bit);

int cable_common_read_stream(uint32_t *outstream, uint32_t *instream, int len_bits, int set_last_bit);

#endif