enum tap_state saved_end_state = end_state;
int bit_cnt;
- if (ir_scan)
- bitbang_end_state(TAP_SI);
- else
- bitbang_end_state(TAP_SD);
+ if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
+ {
+ if (ir_scan)
+ bitbang_end_state(TAP_SI);
+ else
+ bitbang_end_state(TAP_SD);
- bitbang_state_move();
- bitbang_end_state(saved_end_state);
+ bitbang_state_move();
+ bitbang_end_state(saved_end_state);
+ }
for (bit_cnt = 0; bit_cnt < scan_size; bit_cnt++)
{
+ /* set TMS high on the last bit unless we want to end in TAP_SD/SI */
+ int tms;
+ if ((ir_scan && (end_state == TAP_SI)) ||
+ (!ir_scan && (end_state == TAP_SD)))
+ {
+ tms = 0;
+ } else {
+ tms = (bit_cnt==scan_size-1) ? 1 : 0;
+ }
+
/* if we're just reading the scan, but don't care about the output
* default to outputting 'low', this also makes valgrind traces more readable,
* as it removes the dependency on an uninitialised value
*/
- if ((type != SCAN_IN) && ((buffer[bit_cnt/8] >> (bit_cnt % 8)) & 0x1)) {
+ if ((type != SCAN_IN) && ((buffer[bit_cnt/8] >> (bit_cnt % 8)) & 0x1))
+ {
bitbang_interface->write(0, (bit_cnt==scan_size-1) ? 1 : 0, 1);
bitbang_interface->write(1, (bit_cnt==scan_size-1) ? 1 : 0, 1);
} else {
*/
retval = ERROR_OK;
+ if(bitbang_interface->blink)
+ bitbang_interface->blink(1);
+
while (cmd)
{
switch (cmd->type)
}
cmd = cmd->next;
}
+ if(bitbang_interface->blink)
+ bitbang_interface->blink(0);
return retval;
}