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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-05-26 11:46:05 +0000 |
|---|---|---|
| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-05-26 11:46:05 +0000 |
| commit | e0d6a125c41939402eab050feda53f190d947421 (patch) | |
| tree | 60d96c3f5cddf86db123526164beffc8c8f966e8 /src/jtag | |
| parent | 6945fb26c833993ed99091e07c8baf2e0f7689c0 (diff) | |
| download | openocd+libswd-e0d6a125c41939402eab050feda53f190d947421.tar.gz openocd+libswd-e0d6a125c41939402eab050feda53f190d947421.tar.bz2 openocd+libswd-e0d6a125c41939402eab050feda53f190d947421.tar.xz openocd+libswd-e0d6a125c41939402eab050feda53f190d947421.zip | |
clock 1/0 in idle now configurable.
git-svn-id: svn://svn.berlios.de/openocd/trunk@687 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/jtag')
| -rw-r--r-- | src/jtag/bitbang.c | 14 |
1 files changed, 9 insertions, 5 deletions
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; |