A dummy driver to test codepath w/no contact w/target.
git-svn-id: svn://svn.berlios.de/openocd/trunk@572 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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oharboe
parent
23837f5a3a
commit
7280d4a2c7
13
configure.in
13
configure.in
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@ -30,6 +30,10 @@ AC_ARG_ENABLE(parport,
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AS_HELP_STRING([--enable-parport], [Enable building the pc parallel port driver]),
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[build_parport=$enableval], [build_parport=no])
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AC_ARG_ENABLE(dummy,
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AS_HELP_STRING([--enable-dummy], [Enable building the dummy port driver]),
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[build_dummy=$enableval], [build_dummy=no])
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case "${host_cpu}" in
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i?86|x86*)
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AC_ARG_ENABLE(parport_ppdev,
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@ -144,6 +148,14 @@ else
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AC_DEFINE(BUILD_PARPORT, 0, [0 if you don't want parport.])
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fi
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if test $build_dummy = yes; then
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build_bitbang=yes
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AC_DEFINE(BUILD_DUMMY, 1, [1 if you want dummy driver.])
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else
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AC_DEFINE(BUILD_DUMMY, 0, [0 if you don't want dummy driver.])
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fi
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if test $build_ep93xx = yes; then
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build_bitbang=yes
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AC_DEFINE(BUILD_EP93XX, 1, [1 if you want ep93xx.])
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@ -243,6 +255,7 @@ AM_CONFIG_HEADER(config.h)
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AM_INIT_AUTOMAKE(openocd, 1.0)
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AM_CONDITIONAL(PARPORT, test $build_parport = yes)
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AM_CONDITIONAL(DUMMY, test $build_dummy = yes)
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AM_CONDITIONAL(GIVEIO, test $parport_use_giveio = yes)
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AM_CONDITIONAL(EP93XX, test $build_ep93xx = yes)
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AM_CONDITIONAL(ECOSBOARD, test $build_ecosboard = yes)
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@ -25,6 +25,12 @@ else
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PARPORTFILES =
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endif
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if DUMMY
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DUMMYFILES = dummy.c
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else
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DUMMYFILES =
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endif
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if FT2232_LIBFTDI
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FT2232FILES = ft2232.c
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else
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@ -87,7 +93,7 @@ else
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USBPROGFILES =
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endif
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libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
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libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(DUMMYFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
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$(AT91RM9200FILES) $(GW16012FILES) $(BITQFILES) $(PRESTOFILES) $(USBPROGFILES) $(ECOSBOARDFILES)
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noinst_HEADERS = bitbang.h jtag.h
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105
src/jtag/dummy.c
Normal file
105
src/jtag/dummy.c
Normal file
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@ -0,0 +1,105 @@
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/***************************************************************************
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* Copyright (C) 2008 by Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "jtag.h"
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#include "bitbang.h"
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int dummy_speed(int speed);
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int dummy_register_commands(struct command_context_s *cmd_ctx);
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int dummy_init(void);
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int dummy_quit(void);
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/* The dummy driver is used to easily check the code path
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* where the target is unresponsive.
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*/
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jtag_interface_t dummy_interface =
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{
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.name = "dummy",
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.execute_queue = bitbang_execute_queue,
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.speed = dummy_speed,
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.register_commands = dummy_register_commands,
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.init = dummy_init,
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.quit = dummy_quit,
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};
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int dummy_read(void);
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void dummy_write(int tck, int tms, int tdi);
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void dummy_reset(int trst, int srst);
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void dummy_led(int on);
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bitbang_interface_t dummy_bitbang =
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{
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.read = dummy_read,
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.write = dummy_write,
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.reset = dummy_reset,
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.blink = dummy_led
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};
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int dummy_read(void)
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{
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return 1;
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}
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void dummy_write(int tck, int tms, int tdi)
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{
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}
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void dummy_reset(int trst, int srst)
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{
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}
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int dummy_speed(int speed)
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{
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return ERROR_OK;
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}
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int dummy_register_commands(struct command_context_s *cmd_ctx)
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{
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return ERROR_OK;
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}
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int dummy_init(void)
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{
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bitbang_interface = &dummy_bitbang;
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return ERROR_OK;
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}
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int dummy_quit(void)
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{
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return ERROR_OK;
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}
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void dummy_led(int on)
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{
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}
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@ -156,7 +156,11 @@ static int hasKHz = 0;
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#if BUILD_PARPORT == 1
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extern jtag_interface_t parport_interface;
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#endif
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#if BUILD_DUMMY == 1
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extern jtag_interface_t dummy_interface;
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#endif
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#if BUILD_FT2232_FTD2XX == 1
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extern jtag_interface_t ft2232_interface;
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#endif
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@ -196,6 +200,9 @@ jtag_interface_t *jtag_interfaces[] = {
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#if BUILD_PARPORT == 1
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&parport_interface,
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#endif
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#if BUILD_DUMMY == 1
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&dummy_interface,
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#endif
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#if BUILD_FT2232_FTD2XX == 1
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&ft2232_interface,
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#endif
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