Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
45 lines (38 sloc) 1.12 KB
//
// Author: Xiangfu Liu
//
// This is free and unencumbered software released into the public domain.
// For details see the UNLICENSE file at the root of the source tree.
//
#ifndef JTAG_H
#define JTAG_H
/* FPGA Boundary-Scan Instructions */
#define EXTEST 0x0F
#define SAMPLE 0x01
#define USER1 0x02
#define USER2 0x03
#define USER3 0x1A
#define USER4 0x1B
#define CFG_OUT 0x04
#define CFG_IN 0x05
#define INTEST 0x07
#define USERCODE 0x08
#define IDCODE 0x09
#define JPROGRAM 0x0B
#define JSTART 0x0C
#define JSHUTDOWN 0x0D
#define BYPASS 0x3F
/* The max read/write size is 65536, we use 65532 here */
#define FTDI_MAX_RW_SIZE 65532
int tap_tms(struct ftdi_context *ftdi, int tms, uint8_t bit7);
void tap_reset_rti(struct ftdi_context *ftdi);
int tap_shift_ir_only(struct ftdi_context *ftdi, uint8_t ir);
int tap_shift_dr_bits_only(struct ftdi_context *ftdi,
uint8_t *in, uint32_t in_bits,
uint8_t *out);
int tap_shift_ir(struct ftdi_context *ftdi, uint8_t ir);
int tap_shift_dr_bits(struct ftdi_context *ftdi,
uint8_t *in, uint32_t in_bits,
uint8_t *out);
int ft232_flush(struct ftdi_context *ftdi);
#endif
Something went wrong with that request. Please try again.