From cb0bc93c0610dcd4290712791ffb6e1cd56fa22e Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Wed, 12 Mar 2008 18:05:07 +0000
Subject: [PATCH] Dominic undid some of my damage. CLK should now be set as
intended in all cases.
git-svn-id: svn://svn.berlios.de/openocd/trunk@507 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
src/jtag/bitbang.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/src/jtag/bitbang.c b/src/jtag/bitbang.c
index 77d60ba1c..e5e1438af 100644
--- a/src/jtag/bitbang.c
+++ b/src/jtag/bitbang.c
@@ -75,32 +75,35 @@ void bitbang_path_move(pathmove_command_t *cmd)
{
int num_states = cmd->num_states;
int state_count;
+ int tms;
state_count = 0;
while (num_states)
{
if (tap_transitions[cur_state].low == cmd->path[state_count])
{
- bitbang_interface->write(0, 0, 0);
- bitbang_interface->write(1, 0, 0);
+ tms = 0;
}
else if (tap_transitions[cur_state].high == cmd->path[state_count])
{
- bitbang_interface->write(0, 1, 0);
- bitbang_interface->write(1, 1, 0);
- }
+ tms = 1;
+ }
else
{
ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
exit(-1);
}
+ bitbang_interface->write(0, tms, 0);
+ bitbang_interface->write(1, tms, 0);
+
cur_state = cmd->path[state_count];
state_count++;
num_states--;
}
- bitbang_interface->write(0, tms, 0);
+ bitbang_interface->write(0, tms, 0);
+
end_state = cur_state;
}
@@ -129,8 +132,6 @@ void bitbang_runtest(int num_cycles)
bitbang_end_state(saved_end_state);
if (cur_state != end_state)
bitbang_state_move();
- else
- bitbang_interface->write(0, tms, 0);
}
void bitbang_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
@@ -176,6 +177,7 @@ void bitbang_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
/* Exit1 -> Pause */
bitbang_interface->write(0, 0, 0);
bitbang_interface->write(1, 0, 0);
+ bitbang_interface->write(0, 0, 0);
if (ir_scan)
cur_state = TAP_PI;
@@ -184,8 +186,6 @@ void bitbang_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
if (cur_state != end_state)
bitbang_state_move();
- else
- bitbang_interface->write(0, tms, 0);
}
int bitbang_execute_queue(void)
--
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