From e0d6a125c41939402eab050feda53f190d947421 Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Mon, 26 May 2008 11:46:05 +0000
Subject: clock 1/0 in idle now configurable.
git-svn-id: svn://svn.berlios.de/openocd/trunk@687 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
src/jtag/bitbang.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
(limited to 'src')
diff --git a/src/jtag/bitbang.c b/src/jtag/bitbang.c
index 79f77b56..c4f9ce94 100644
--- a/src/jtag/bitbang.c
+++ b/src/jtag/bitbang.c
@@ -36,6 +36,10 @@
bitbang_interface_t *bitbang_interface;
+
+/* should the clock be high or low in idle? */
+#define CLOCK_IDLE() 0
+
int bitbang_execute_queue(void);
/* The bitbang driver leaves the TCK 0 when in idle */
@@ -62,7 +66,7 @@ void bitbang_state_move(void) {
bitbang_interface->write(0, tms, 0);
bitbang_interface->write(1, tms, 0);
}
- bitbang_interface->write(0, tms, 0);
+ bitbang_interface->write(CLOCK_IDLE(), tms, 0);
cur_state = end_state;
}
@@ -98,7 +102,7 @@ void bitbang_path_move(pathmove_command_t *cmd)
num_states--;
}
- bitbang_interface->write(0, tms, 0);
+ bitbang_interface->write(CLOCK_IDLE(), tms, 0);
end_state = cur_state;
}
@@ -117,12 +121,12 @@ void bitbang_runtest(int num_cycles)
}
/* execute num_cycles */
- bitbang_interface->write(0, 0, 0);
for (i = 0; i < num_cycles; i++)
{
- bitbang_interface->write(1, 0, 0);
bitbang_interface->write(0, 0, 0);
+ bitbang_interface->write(1, 0, 0);
}
+ bitbang_interface->write(CLOCK_IDLE(), 0, 0);
/* finish in end_state */
bitbang_end_state(saved_end_state);
@@ -187,7 +191,7 @@ void bitbang_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
*/
bitbang_interface->write(0, 0, 0);
bitbang_interface->write(1, 0, 0);
- bitbang_interface->write(0, 0, 0);
+ bitbang_interface->write(CLOCK_IDLE(), 0, 0);
if (ir_scan)
cur_state = TAP_PI;
--
cgit v1.2.3