Committed.
A dummy driver to test codepath w/no contact w/target.
Index: C:/workspace/openocd/configure.in
===================================================================
--- C:/workspace/openocd/configure.in (revision 571)
+++ C:/workspace/openocd/configure.in (working copy)
@@ -30,6 +30,10 @@
AS_HELP_STRING([--enable-parport], [Enable building the pc parallel
port driver]),
[build_parport=$enableval], [build_parport=no])
+AC_ARG_ENABLE(dummy,
+ AS_HELP_STRING([--enable-dummy], [Enable building the dummy port driver]),
+ [build_dummy=$enableval], [build_dummy=no])
+
case "${host_cpu}" in
i?86|x86*)
AC_ARG_ENABLE(parport_ppdev,
@@ -144,6 +148,14 @@
AC_DEFINE(BUILD_PARPORT, 0, [0 if you don't want parport.])
fi
+if test $build_dummy = yes; then
+ build_bitbang=yes
+ AC_DEFINE(BUILD_DUMMY, 1, [1 if you want dummy driver.])
+else
+ AC_DEFINE(BUILD_DUMMY, 0, [0 if you don't want dummy driver.])
+fi
+
+
if test $build_ep93xx = yes; then
build_bitbang=yes
AC_DEFINE(BUILD_EP93XX, 1, [1 if you want ep93xx.])
@@ -243,6 +255,7 @@
AM_INIT_AUTOMAKE(openocd, 1.0)
AM_CONDITIONAL(PARPORT, test $build_parport = yes)
+AM_CONDITIONAL(DUMMY, test $build_dummy = yes)
AM_CONDITIONAL(GIVEIO, test $parport_use_giveio = yes)
AM_CONDITIONAL(EP93XX, test $build_ep93xx = yes)
AM_CONDITIONAL(ECOSBOARD, test $build_ecosboard = yes)
Index: C:/workspace/openocd/src/jtag/dummy.c
===================================================================
--- C:/workspace/openocd/src/jtag/dummy.c (revision 0)
+++ C:/workspace/openocd/src/jtag/dummy.c (revision 0)
@@ -0,0 +1,105 @@
+/***************************************************************************
+ * Copyright (C) 2008 by Øyvind Harboe *
+ * oyv...@zy... *
+ * *
+ * 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)
+{
+}
+
Index: C:/workspace/openocd/src/jtag/jtag.c
===================================================================
--- C:/workspace/openocd/src/jtag/jtag.c (revision 571)
+++ C:/workspace/openocd/src/jtag/jtag.c (working copy)
@@ -156,7 +156,11 @@
#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 @@
#if BUILD_PARPORT == 1
&parport_interface,
#endif
+#if BUILD_DUMMY == 1
+ &dummy_interface,
+#endif
#if BUILD_FT2232_FTD2XX == 1
&ft2232_interface,
#endif
Index: C:/workspace/openocd/src/jtag/Makefile.am
===================================================================
--- C:/workspace/openocd/src/jtag/Makefile.am (revision 571)
+++ C:/workspace/openocd/src/jtag/Makefile.am (working copy)
@@ -25,6 +25,12 @@
PARPORTFILES =
endif
+if DUMMY
+DUMMYFILES = dummy.c
+else
+DUMMYFILES =
+endif
+
if FT2232_LIBFTDI
FT2232FILES = ft2232.c
else
@@ -87,7 +93,7 @@
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
--
Øyvind Harboe
http://www.zylin.com - eCos ARM & FPGA developer kit
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