jtag: only change state if necessary
[openocd.git] / src / jtag / drivers / rlink_ep1_cmd.h
blobb30e1bb16757c3fa3b125b6b96d5eef4e32ee809
1 /***************************************************************************
2 * Copyright (C) 2008 Lou Deluxe *
3 * lou.openocd012@fixit.nospammail.net *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
22 * Command opcodes that can be sent over endpoint 1.
23 * This codifies information provided by Rob Brown <rob@cobbleware.com>.
24 * The buffer can contain several of these, but only one which returns data.
25 * Some of these opcodes have arguments, which follow immediately.
26 * If shorter than the packet size, trailing positions should be zero-filled.
29 /* LED update enables:
30 * When enabled, each LED is updated automatically.
31 * When not enabled, each LED can be controlled manually with EP1_CMD_SET_PORTD_LEDS.
33 #define EP1_CMD_LEDUE_BOTH (0x05)
34 /* EP1_CMD_LEDUE_NONE has the side effect of turning the LEDs on */
35 #define EP1_CMD_LEDUE_NONE (0x06)
36 #define EP1_CMD_LEDUE_ERROR (0x17)
37 #define EP1_CMD_LEDUE_BUSY (0x18)
39 #define EP1_CMD_DTC_STOP (0x0b)
40 #define EP1_CMD_DTC_LOAD (0x0c)
41 #define EP1_CMD_DTC_CALL (0x0d)
42 #define EP1_CMD_SET_UPLOAD (0x0f)
43 #define EP1_CMD_SET_DOWNLOAD (0x10)
44 #define EP1_CMD_DTC_WAIT (0x12)
45 #define EP1_CMD_DTC_GET_STATUS (0x15)
46 /* a quick way to just read back one byte */
47 #define EP1_CMD_DTC_GET_CACHED_STATUS (0x16)
49 /* Writes upper 2 bits (SHDN and SEL) of port D with argument */
50 #define EP1_CMD_SET_PORTD_VPP (0x19)
51 /* Writes lower 2 bits (BUSY and ERROR) of port D with argument */
52 #define EP1_CMD_SET_PORTD_LEDS (0x1a)
54 #define EP1_CMD_MEMORY_READ (0x28)
55 #define EP1_CMD_MEMORY_WRITE (0x29)
56 #define EP1_CMD_GET_FWREV (0xfe)
57 #define EP1_CMD_GET_SERIAL (0xff)