msgtypes.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/***************************************************************************
 *   Copyright (C) 2011 by Martin Schmoelzer                               *
 *   <martin.schmoelzer@student.tuwien.ac.at>                              *
 ***************************************************************************/
 
#ifndef __MSGTYPES_H
#define __MSGTYPES_H
 
/*
 * Command IDs:
 *
 * Bits 7..6: Reserved, should always be zero
 * Bits 5..0: Command ID. There are 62 usable IDs. Of this 63 available IDs,
 *            the IDs 0x00..0x1F are commands with variable payload size,
 *            the IDs 0x20..0x3F are commands with fixed payload size.
 */
 
#define CMD_ID_MASK             0x3F
 
/* Commands with variable payload size */
#define CMD_SCAN_IN             0x00
#define CMD_SLOW_SCAN_IN        0x01
#define CMD_SCAN_OUT            0x02
#define CMD_SLOW_SCAN_OUT       0x03
#define CMD_SCAN_IO             0x04
#define CMD_SLOW_SCAN_IO        0x05
 
/* Commands with fixed payload size */
#define CMD_CLOCK_TMS           0x20
#define CMD_SLOW_CLOCK_TMS      0x21
#define CMD_CLOCK_TCK           0x22
#define CMD_SLOW_CLOCK_TCK      0x23
#define CMD_SLEEP_US            0x24
#define CMD_SLEEP_MS            0x25
#define CMD_GET_SIGNALS         0x26
#define CMD_SET_SIGNALS         0x27
#define CMD_CONFIGURE_TCK_FREQ  0x28
#define CMD_SET_LEDS            0x29
#define CMD_TEST                0x2A
 
/* JTAG signal definition for jtag_get_signals() -- Input signals! */
#define SIGNAL_TDO      (1<<0)
#define SIGNAL_BRKOUT   (1<<1)
#define SIGNAL_TRAP     (1<<2)
#define SIGNAL_RTCK     (1<<3)
 
/* JTAG signal definition for jtag_get_signals() -- Output signals! */
#define SIGNAL_TDI      (1<<0)
#define SIGNAL_TMS      (1<<1)
#define SIGNAL_TCK      (1<<2)
#define SIGNAL_TRST     (1<<3)
#define SIGNAL_BRKIN    (1<<4)
#define SIGNAL_RESET    (1<<5)
#define SIGNAL_OCDSE    (1<<6)
 
/* LED definitions for CMD_SET_LEDS and CMD_CLEAR_LEDS commands */
#define COM_LED_ON      (1<<0)
#define RUN_LED_ON      (1<<1)
#define COM_LED_OFF     (1<<2)
#define RUN_LED_OFF     (1<<3)
 
#endif