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- Added support for native MinGW builds (thanks to Spencer Oliver and Michael Fischer) - you still need to install GiveIO (not part of OpenOCD)

Browse Source 
- Added state-move support to ftd2xx and bitbang JTAG drivers (required for XScale, possibly useful for other targets, too)
- various fixes


git-svn-id: svn://svn.berlios.de/openocd/trunk@78 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
drath
2006-07-17 14:13:27 +00:00
parent 1960973baf
commit 82d2633b5f
48 changed files with 1432 additions and 579 deletions
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41
src/jtag/bitbang.c
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@@ -17,6 +17,9 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "bitbang.h"
@@ -65,6 +68,38 @@ void bitbang_state_move(void) {
cur_state = end_state;
}
void bitbang_path_move(pathmove_command_t *cmd)
{
int num_states = cmd->num_states;
int state_count;
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);
}
else if (tap_transitions[cur_state].high == cmd->path[state_count])
{
bitbang_interface->write(0, 1, 0);
bitbang_interface->write(1, 1, 0);
}
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);
}
cur_state = cmd->path[state_count];
state_count++;
num_states--;
}
end_state = cur_state;
}
void bitbang_runtest(int num_cycles)
{
int i;
@@ -187,6 +222,12 @@ int bitbang_execute_queue(void)
bitbang_end_state(cmd->cmd.statemove->end_state);
bitbang_state_move();
break;
case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
#endif
bitbang_path_move(cmd->cmd.pathmove);
break;
case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
DEBUG("scan end in %i", cmd->cmd.scan->end_state);