#include <strings.h>
#endif
+static void jtag_execute_queue_noclear(void);
+
/* note that this is not marked as static as it must be available from outside jtag.c for those
that implement the jtag_xxx() minidriver layer
*/
{
found = 1;
(*last_cmd)->cmd.scan->fields[nth_tap].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
-
+
if (jtag_verify_capture_ir)
{
if (fields[j].in_handler==NULL)
jtag_error=retval;
}
+void jtag_add_dr_scan_now(int num_fields, scan_field_t *fields, tap_state_t state)
+{
+ jtag_add_dr_scan(num_fields, fields, state);
+ jtag_execute_queue_noclear();
+}
+
int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
int j;
void jtag_add_pathmove(int num_states, tap_state_t *path)
{
- tap_state_t cur_state=cmd_queue_cur_state;
+ tap_state_t cur_state = cmd_queue_cur_state;
int i;
int retval;
LOG_ERROR("BUG: TAP_RESET is not a valid state for pathmove sequences");
exit(-1);
}
+
if ( tap_state_transition(cur_state, true) != path[i]
&& tap_state_transition(cur_state, false) != path[i])
{
jtag_prelude1();
- retval=interface_jtag_add_pathmove(num_states, path);
+ retval = interface_jtag_add_pathmove(num_states, path);
cmd_queue_cur_state = path[num_states - 1];
if (retval!=ERROR_OK)
jtag_error=retval;
return retval;
}
-int jtag_execute_queue(void)
+static void jtag_execute_queue_noclear(void)
{
int retval=interface_jtag_execute_queue();
- if (retval==ERROR_OK)
+ /* we keep the first error */
+ if ((jtag_error==ERROR_OK)&&(retval!=ERROR_OK))
{
- retval=jtag_error;
+ jtag_error=retval;
}
+}
+
+int jtag_execute_queue(void)
+{
+ int retval;
+ jtag_execute_queue_noclear();
+ retval=jtag_error;
jtag_error=ERROR_OK;
return retval;
}
field.tap = NULL;
field.num_bits = sizeof(idcode_buffer) * 8;
field.out_value = idcode_buffer;
-
+
field.in_value = idcode_buffer;
-
-
+
+
field.in_handler = NULL;
-
for (i = 0; i < JTAG_MAX_CHAIN_SIZE; i++)
{
field.tap = NULL;
field.num_bits = total_ir_length;
field.out_value = ir_test;
-
field.in_value = ir_test;
-
-
field.in_handler = NULL;
-
jtag_add_plain_ir_scan(1, &field, TAP_RESET);
jtag_execute_queue();
#define B8(bits,count) { ((u8)B8__(HEX__(bits))), (count) }
-#if 0 && ((BUILD_FT2232_FTD2XX==1) || (BUILD_FT2232_LIBFTDI==1))
+#if 0 && ((BUILD_FT2232_FTD2XX==1) || (BUILD_FT2232_LIBFTDI==1) || (BUILD_JLINK==1))
/* this is the table submitted by Jeff Williams on 3/30/2009 with this comment:
OK, I added Peter's version of the state table, and it works OK for
some long-standing problems.
Jeff
- I added the bit count into the table
+ I added the bit count into the table, reduced RESET column to 7 bits from 8.
Dick
+
+ state specific comments:
+ ------------------------
+ *->RESET tried the 5 bit reset and it gave me problems, 7 bits seems to
+ work better on ARM9 with ft2232 driver. (Dick)
+
+ RESET->DRSHIFT add 1 extra clock cycles in the RESET state before advancing.
+ needed on ARM9 with ft2232 driver. (Dick)
+
+ RESET->IRSHIFT add 1 extra clock cycles in the RESET state before advancing.
+ needed on ARM9 with ft2232 driver. (Dick)
*/
/* to state: */
- /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
- { B8(11111,5), B8(0,1), B8(0010,4), B8(01010,5), B8(00110,5), B8(010110,6) }, /* RESET */
- { B8(11111,5), B8(0,1), B8(001,3), B8(0101,4), B8(0011,4), B8(01011,5) }, /* IDLE */
- { B8(11111,5), B8(011,3), B8(00111,5), B8(01,2), B8(001111,6), B8(0101111,7) }, /* DRSHIFT */
- { B8(11111,5), B8(011,3), B8(01,2), B8(0,1), B8(001111,6), B8(0101111,7) }, /* DRPAUSE */
- { B8(11111,5), B8(011,3), B8(00111,5), B8(010111,6), B8(001111,6), B8(01,2) }, /* IRSHIFT */
- { B8(11111,5), B8(011,3), B8(00111,5), B8(010111,6), B8(01,2), B8(0,1) } /* IRPAUSE */
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
+ { B8(1111111,7), B8(0,1), B8(00101,5), B8(01010,5), B8(001101,6), B8(010110,6) }, /* RESET */
+ { B8(1111111,7), B8(0,1), B8(001,3), B8(0101,4), B8(0011,4), B8(01011,5) }, /* IDLE */
+ { B8(1111111,7), B8(011,3), B8(00111,5), B8(01,2), B8(001111,6), B8(0101111,7) }, /* DRSHIFT */
+ { B8(1111111,7), B8(011,3), B8(01,2), B8(0,1), B8(001111,6), B8(0101111,7) }, /* DRPAUSE */
+ { B8(1111111,7), B8(011,3), B8(00111,5), B8(010111,6), B8(001111,6), B8(01,2) }, /* IRSHIFT */
+ { B8(1111111,7), B8(011,3), B8(00111,5), B8(010111,6), B8(01,2), B8(0,1) } /* IRPAUSE */
#else /* this is the old table, converted from hex and with the bit_count set to 7 for each combo, like before */
/* to state: */
- /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
- { B8(1111111,7), B8(0000000,7), B8(0010111,7), B8(0001010,7), B8(0011011,7), B8(0010110,7) }, /* RESET */
- { B8(1111111,7), B8(0000000,7), B8(0100101,7), B8(0000101,7), B8(0101011,7), B8(0001011,7) }, /* IDLE */
- { B8(1111111,7), B8(0110001,7), B8(0000000,7), B8(0000001,7), B8(0001111,7), B8(0101111,7) }, /* DRSHIFT */
- { B8(1111111,7), B8(0110000,7), B8(0100000,7), B8(0010111,7), B8(0011110,7), B8(0101111,7) }, /* DRPAUSE */
- { B8(1111111,7), B8(0110001,7), B8(0000111,7), B8(0010111,7), B8(0000000,7), B8(0000001,7) }, /* IRSHIFT */
- { B8(1111111,7), B8(0110000,7), B8(0011100,7), B8(0010111,7), B8(0100000,7), B8(0101111,7) }, /* IRPAUSE */
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
+ { B8(1111111,7), B8(0000000,7), B8(0010111,7), B8(0001010,7), B8(0011011,7), B8(0010110,7) }, /* RESET */
+ { B8(1111111,7), B8(0000000,7), B8(0100101,7), B8(0000101,7), B8(0101011,7), B8(0001011,7) }, /* IDLE */
+ { B8(1111111,7), B8(0110001,7), B8(0000000,7), B8(0000001,7), B8(0001111,7), B8(0101111,7) }, /* DRSHIFT */
+ { B8(1111111,7), B8(0110000,7), B8(0100000,7), B8(0010111,7), B8(0011110,7), B8(0101111,7) }, /* DRPAUSE */
+ { B8(1111111,7), B8(0110001,7), B8(0000111,7), B8(0010111,7), B8(0000000,7), B8(0000001,7) }, /* IRSHIFT */
+ { B8(1111111,7), B8(0110000,7), B8(0011100,7), B8(0010111,7), B8(0100000,7), B8(0101111,7) } /* IRPAUSE */
#endif