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A dummy driver to test codepath w/no contact w/target.

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git-svn-id: svn://svn.berlios.de/openocd/trunk@572 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-04-13 13:21:49 +00:00
parent 23837f5a3a
commit 7280d4a2c7
4 changed files with 133 additions and 2 deletions
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8
src/jtag/Makefile.am
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@@ -25,6 +25,12 @@ else
PARPORTFILES =
endif
if DUMMY
DUMMYFILES = dummy.c
else
DUMMYFILES =
endif
if FT2232_LIBFTDI
FT2232FILES = ft2232.c
else
@@ -87,7 +93,7 @@ else
USBPROGFILES =
endif
libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(DUMMYFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
$(AT91RM9200FILES) $(GW16012FILES) $(BITQFILES) $(PRESTOFILES) $(USBPROGFILES) $(ECOSBOARDFILES)
noinst_HEADERS = bitbang.h jtag.h

105
src/jtag/dummy.c Normal file
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@@ -0,0 +1,105 @@
/***************************************************************************
* Copyright (C) 2008 by Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "replacements.h"
#include "jtag.h"
#include "bitbang.h"
int dummy_speed(int speed);
int dummy_register_commands(struct command_context_s *cmd_ctx);
int dummy_init(void);
int dummy_quit(void);
/* The dummy driver is used to easily check the code path
* where the target is unresponsive.
*/
jtag_interface_t dummy_interface =
{
.name = "dummy",
.execute_queue = bitbang_execute_queue,
.speed = dummy_speed,
.register_commands = dummy_register_commands,
.init = dummy_init,
.quit = dummy_quit,
};
int dummy_read(void);
void dummy_write(int tck, int tms, int tdi);
void dummy_reset(int trst, int srst);
void dummy_led(int on);
bitbang_interface_t dummy_bitbang =
{
.read = dummy_read,
.write = dummy_write,
.reset = dummy_reset,
.blink = dummy_led
};
int dummy_read(void)
{
return 1;
}
void dummy_write(int tck, int tms, int tdi)
{
}
void dummy_reset(int trst, int srst)
{
}
int dummy_speed(int speed)
{
return ERROR_OK;
}
int dummy_register_commands(struct command_context_s *cmd_ctx)
{
return ERROR_OK;
}
int dummy_init(void)
{
bitbang_interface = &dummy_bitbang;
return ERROR_OK;
}
int dummy_quit(void)
{
return ERROR_OK;
}
void dummy_led(int on)
{
}

9
src/jtag/jtag.c
View File

@@ -156,7 +156,11 @@ static int hasKHz = 0;
#if BUILD_PARPORT == 1
extern jtag_interface_t parport_interface;
#endif
#if BUILD_DUMMY == 1
extern jtag_interface_t dummy_interface;
#endif
#if BUILD_FT2232_FTD2XX == 1
extern jtag_interface_t ft2232_interface;
#endif
@@ -196,6 +200,9 @@ jtag_interface_t *jtag_interfaces[] = {
#if BUILD_PARPORT == 1
&parport_interface,
#endif
#if BUILD_DUMMY == 1
&dummy_interface,
#endif
#if BUILD_FT2232_FTD2XX == 1
&ft2232_interface,
#endif