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- fix issue if jlink sends result in single usb in packet 

git-svn-id: svn://svn.berlios.de/openocd/trunk@691 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
ntfreak 2008-05-27 16:21:05 +00:00
parent 923fdc6ff6
commit 586e9e4ef1
1 changed files with 32 additions and 20 deletions
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28
src/jtag/jlink.c
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@ -170,8 +170,7 @@ int jlink_execute_queue(void)
break;
case JTAG_STATEMOVE:
DEBUG_JTAG_IO("statemove end in %i",
cmd->cmd.statemove->end_state);
DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state);
if (cmd->cmd.statemove->end_state != -1)
{
@ -181,8 +180,8 @@ int jlink_execute_queue(void)
break;
case JTAG_PATHMOVE:
DEBUG_JTAG_IO("pathmove: %i states, end in %i",
cmd->cmd.pathmove->num_states,
DEBUG_JTAG_IO("pathmove: %i states, end in %i", \
cmd->cmd.pathmove->num_states, \
cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
jlink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
@ -207,9 +206,7 @@ int jlink_execute_queue(void)
break;
case JTAG_RESET:
DEBUG_JTAG_IO("reset trst: %i srst %i",
cmd->cmd.reset->trst,
cmd->cmd.reset->srst);
DEBUG_JTAG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
jlink_tap_execute();
@ -796,6 +793,8 @@ int jlink_usb_message(jlink_jtag_t *jlink_jtag, int out_length, int in_length)
if (result == out_length)
{
result = jlink_usb_read(jlink_jtag);
if (result == in_length || result == in_length+1)
{
if (result == in_length)
{
/* Must read the result from the EMU too */
@ -820,6 +819,20 @@ int jlink_usb_message(jlink_jtag_t *jlink_jtag, int out_length, int in_length)
}
}
else
{
/* Check the result itself */
if (0 == usb_in_buffer[result])
{
return result-1;
}
else
{
LOG_ERROR("jlink_usb_read_emu_result (requested=0, result=%d)", usb_in_buffer[result]);
return -1;
}
}
}
else
{
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length, result);
return -1;
@ -882,7 +895,6 @@ int jlink_usb_read_emu_result(jlink_jtag_t *jlink_jtag)
return result;
}
#ifdef _DEBUG_USB_COMMS_
#define BYTES_PER_LINE 16