1 /***************************************************************************
2 * Copyright (C) 2009-2010 by Simon Qian <SimonQian@SimonQian.com> *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
16 ***************************************************************************/
18 /* Versaloon is a programming tool for multiple MCUs.
19 * It's distributed under GPLv3.
20 * You can find it at http://www.Versaloon.com/.
27 #include <jtag/adapter.h>
28 #include <jtag/interface.h>
29 #include <jtag/commands.h>
33 #include "versaloon/versaloon_include.h"
34 #include "versaloon/versaloon.h"
36 static int vsllink_tms_offset
;
38 struct pending_scan_result
{
41 int length
; /* Number of bits to read */
42 struct scan_command
*command
; /* Corresponding scan command */
45 bool last
; /* indicate the last scan pending */
48 #define MAX_PENDING_SCAN_RESULTS 256
50 static int pending_scan_results_length
;
51 static struct pending_scan_result
52 pending_scan_results_buffer
[MAX_PENDING_SCAN_RESULTS
];
54 /* Queue command functions */
55 static void vsllink_end_state(tap_state_t state
);
56 static void vsllink_state_move(void);
57 static void vsllink_path_move(int num_states
, tap_state_t
*path
);
58 static void vsllink_tms(int num_bits
, const uint8_t *bits
);
59 static void vsllink_runtest(int num_cycles
);
60 static void vsllink_stableclocks(int num_cycles
, int tms
);
61 static void vsllink_scan(bool ir_scan
, enum scan_type type
,
62 uint8_t *buffer
, int scan_size
, struct scan_command
*command
);
63 static int vsllink_reset(int trst
, int srst
);
65 /* VSLLink tap buffer functions */
66 static void vsllink_tap_append_step(int tms
, int tdi
);
67 static void vsllink_tap_init(void);
68 static int vsllink_tap_execute(void);
69 static void vsllink_tap_ensure_pending(int scans
);
70 static void vsllink_tap_append_scan(int length
, uint8_t *buffer
,
71 struct scan_command
*command
);
73 /* VSLLink SWD functions */
74 static int_least32_t vsllink_swd_frequency(int_least32_t hz
);
75 static int vsllink_swd_switch_seq(enum swd_special_seq seq
);
77 /* VSLLink lowlevel functions */
79 struct libusb_context
*libusb_ctx
;
80 struct libusb_device_handle
*usb_device_handle
;
83 static int vsllink_usb_open(struct vsllink
*vsllink
);
84 static void vsllink_usb_close(struct vsllink
*vsllink
);
86 static void vsllink_debug_buffer(uint8_t *buffer
, int length
);
88 static int tap_length
;
89 static int tap_buffer_size
;
90 static uint8_t *tms_buffer
;
91 static uint8_t *tdi_buffer
;
92 static uint8_t *tdo_buffer
;
96 static struct vsllink
*vsllink_handle
;
98 static int vsllink_execute_queue(void)
100 struct jtag_command
*cmd
= jtag_command_queue
;
105 LOG_DEBUG_IO("-------------------------------------"
107 "-------------------------------------");
112 LOG_DEBUG_IO("runtest %i cycles, end in %s",
113 cmd
->cmd
.runtest
->num_cycles
,
114 tap_state_name(cmd
->cmd
.runtest
->end_state
));
116 vsllink_end_state(cmd
->cmd
.runtest
->end_state
);
117 vsllink_runtest(cmd
->cmd
.runtest
->num_cycles
);
121 LOG_DEBUG_IO("statemove end in %s",
122 tap_state_name(cmd
->cmd
.statemove
->end_state
));
124 vsllink_end_state(cmd
->cmd
.statemove
->end_state
);
125 vsllink_state_move();
129 LOG_DEBUG_IO("pathmove: %i states, end in %s",
130 cmd
->cmd
.pathmove
->num_states
,
131 tap_state_name(cmd
->cmd
.pathmove
->path
[cmd
->cmd
.pathmove
->num_states
- 1]));
133 vsllink_path_move(cmd
->cmd
.pathmove
->num_states
, cmd
->cmd
.pathmove
->path
);
137 LOG_DEBUG_IO("JTAG Scan...");
139 vsllink_end_state(cmd
->cmd
.scan
->end_state
);
141 scan_size
= jtag_build_buffer(
142 cmd
->cmd
.scan
, &buffer
);
144 if (cmd
->cmd
.scan
->ir_scan
)
146 "JTAG Scan write IR(%d bits), "
149 tap_state_name(cmd
->cmd
.scan
->end_state
));
153 "JTAG Scan write DR(%d bits), "
156 tap_state_name(cmd
->cmd
.scan
->end_state
));
158 if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO
))
159 vsllink_debug_buffer(buffer
, DIV_ROUND_UP(scan_size
, 8));
161 type
= jtag_scan_type(cmd
->cmd
.scan
);
163 vsllink_scan(cmd
->cmd
.scan
->ir_scan
,
164 type
, buffer
, scan_size
,
169 LOG_DEBUG_IO("sleep %" PRIu32
, cmd
->cmd
.sleep
->us
);
170 vsllink_tap_execute();
171 jtag_sleep(cmd
->cmd
.sleep
->us
);
174 case JTAG_STABLECLOCKS
:
175 LOG_DEBUG_IO("add %d clocks",
176 cmd
->cmd
.stableclocks
->num_cycles
);
178 switch (tap_get_state()) {
180 /* tms must be '1' to stay
190 /* else, tms should be '0' */
193 /* above stable states are OK */
195 LOG_ERROR("jtag_add_clocks() "
196 "in non-stable state \"%s\"",
197 tap_state_name(tap_get_state())
201 vsllink_stableclocks(cmd
->cmd
.stableclocks
->num_cycles
, scan_size
);
205 LOG_DEBUG_IO("add %d jtag tms",
206 cmd
->cmd
.tms
->num_bits
);
208 vsllink_tms(cmd
->cmd
.tms
->num_bits
, cmd
->cmd
.tms
->bits
);
212 LOG_ERROR("BUG: unknown JTAG command type "
213 "encountered: %d", cmd
->type
);
219 return vsllink_tap_execute();
222 static int vsllink_speed(int speed
)
225 vsllink_swd_frequency(speed
* 1000);
229 versaloon_interface
.adaptors
.jtag_raw
.config(0, (uint16_t)speed
);
230 return versaloon_interface
.adaptors
.peripheral_commit();
233 static int vsllink_khz(int khz
, int *jtag_speed
)
240 static int vsllink_speed_div(int jtag_speed
, int *khz
)
247 static void vsllink_free_buffer(void)
259 static int vsllink_quit(void)
261 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_SRST
| GPIO_TRST
,
262 0, 0, GPIO_SRST
| GPIO_TRST
);
263 versaloon_interface
.adaptors
.gpio
.fini(0);
266 versaloon_interface
.adaptors
.swd
.fini(0);
268 versaloon_interface
.adaptors
.jtag_raw
.fini(0);
270 versaloon_interface
.adaptors
.peripheral_commit();
271 versaloon_interface
.fini();
273 vsllink_free_buffer();
274 vsllink_usb_close(vsllink_handle
);
276 free(vsllink_handle
);
281 static int vsllink_interface_init(void)
283 vsllink_handle
= malloc(sizeof(struct vsllink
));
284 if (!vsllink_handle
) {
285 LOG_ERROR("unable to allocate memory");
289 libusb_init(&vsllink_handle
->libusb_ctx
);
291 if (vsllink_usb_open(vsllink_handle
) != ERROR_OK
) {
292 LOG_ERROR("Can't find USB JTAG Interface!"
293 "Please check connection and permissions.");
294 return ERROR_JTAG_INIT_FAILED
;
296 LOG_DEBUG("vsllink found on %04X:%04X",
297 versaloon_interface
.usb_setting
.vid
,
298 versaloon_interface
.usb_setting
.pid
);
299 versaloon_usb_device_handle
= vsllink_handle
->usb_device_handle
;
301 if (versaloon_interface
.init() != ERROR_OK
)
303 if (versaloon_interface
.usb_setting
.buf_size
< 32) {
304 versaloon_interface
.fini();
311 static int vsllink_init(void)
313 int retval
= vsllink_interface_init();
314 if (retval
!= ERROR_OK
)
317 versaloon_interface
.adaptors
.gpio
.init(0);
318 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_SRST
, 0, GPIO_SRST
,
320 versaloon_interface
.adaptors
.delay
.delayms(100);
321 versaloon_interface
.adaptors
.peripheral_commit();
324 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_TRST
, 0,
325 GPIO_TRST
, GPIO_TRST
);
326 versaloon_interface
.adaptors
.swd
.init(0);
327 vsllink_swd_frequency(adapter_get_speed_khz() * 1000);
328 vsllink_swd_switch_seq(JTAG_TO_SWD
);
331 /* malloc buffer size for tap */
332 tap_buffer_size
= versaloon_interface
.usb_setting
.buf_size
/ 2 - 32;
333 vsllink_free_buffer();
334 tdi_buffer
= malloc(tap_buffer_size
);
335 tdo_buffer
= malloc(tap_buffer_size
);
336 tms_buffer
= malloc(tap_buffer_size
);
337 if ((!tdi_buffer
) || (!tdo_buffer
) || (!tms_buffer
)) {
342 versaloon_interface
.adaptors
.jtag_raw
.init(0);
343 versaloon_interface
.adaptors
.jtag_raw
.config(0, adapter_get_speed_khz());
344 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_SRST
| GPIO_TRST
,
345 GPIO_TRST
, GPIO_SRST
, GPIO_SRST
);
348 if (versaloon_interface
.adaptors
.peripheral_commit() != ERROR_OK
)
356 /**************************************************************************
357 * Queue command implementations */
359 static void vsllink_end_state(tap_state_t state
)
361 if (tap_is_state_stable(state
))
362 tap_set_end_state(state
);
364 LOG_ERROR("BUG: %i is not a valid end state", state
);
369 /* Goes to the end state. */
370 static void vsllink_state_move(void)
373 uint8_t tms_scan
= tap_get_tms_path(tap_get_state(),
374 tap_get_end_state());
375 uint8_t tms_scan_bits
= tap_get_tms_path_len(tap_get_state(),
376 tap_get_end_state());
378 for (i
= 0; i
< tms_scan_bits
; i
++)
379 vsllink_tap_append_step((tms_scan
>> i
) & 1, 0);
381 tap_set_state(tap_get_end_state());
384 static void vsllink_path_move(int num_states
, tap_state_t
*path
)
386 for (int i
= 0; i
< num_states
; i
++) {
387 if (path
[i
] == tap_state_transition(tap_get_state(), false))
388 vsllink_tap_append_step(0, 0);
389 else if (path
[i
] == tap_state_transition(tap_get_state(), true))
390 vsllink_tap_append_step(1, 0);
392 LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
393 tap_state_name(tap_get_state()),
394 tap_state_name(path
[i
]));
398 tap_set_state(path
[i
]);
401 tap_set_end_state(tap_get_state());
404 static void vsllink_tms(int num_bits
, const uint8_t *bits
)
406 for (int i
= 0; i
< num_bits
; i
++)
407 vsllink_tap_append_step((bits
[i
/ 8] >> (i
% 8)) & 1, 0);
410 static void vsllink_stableclocks(int num_cycles
, int tms
)
412 while (num_cycles
> 0) {
413 vsllink_tap_append_step(tms
, 0);
418 static void vsllink_runtest(int num_cycles
)
420 tap_state_t saved_end_state
= tap_get_end_state();
422 if (tap_get_state() != TAP_IDLE
) {
423 /* enter IDLE state */
424 vsllink_end_state(TAP_IDLE
);
425 vsllink_state_move();
428 vsllink_stableclocks(num_cycles
, 0);
432 vsllink_end_state(saved_end_state
);
433 if (tap_get_end_state() != tap_get_end_state())
434 vsllink_state_move();
437 static void vsllink_scan(bool ir_scan
, enum scan_type type
, uint8_t *buffer
,
438 int scan_size
, struct scan_command
*command
)
440 tap_state_t saved_end_state
;
442 saved_end_state
= tap_get_end_state();
444 /* Move to appropriate scan state */
445 vsllink_end_state(ir_scan
? TAP_IRSHIFT
: TAP_DRSHIFT
);
447 if (tap_get_state() != tap_get_end_state())
448 vsllink_state_move();
449 vsllink_end_state(saved_end_state
);
452 vsllink_tap_append_scan(scan_size
, buffer
, command
);
454 /* Goto Pause and record position to insert tms:0 */
455 vsllink_tap_append_step(0, 0);
456 vsllink_tms_offset
= tap_length
;
458 tap_set_state(ir_scan
? TAP_IRPAUSE
: TAP_DRPAUSE
);
460 if (tap_get_state() != tap_get_end_state())
461 vsllink_state_move();
464 static int vsllink_reset(int trst
, int srst
)
466 LOG_DEBUG("trst: %i, srst: %i", trst
, srst
);
469 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_SRST
, 0, GPIO_SRST
, GPIO_SRST
);
471 versaloon_interface
.adaptors
.gpio
.config(0, GPIO_SRST
, GPIO_SRST
, 0, 0);
475 versaloon_interface
.adaptors
.gpio
.out(0, GPIO_TRST
, GPIO_TRST
);
477 versaloon_interface
.adaptors
.gpio
.out(0, GPIO_TRST
, 0);
480 return versaloon_interface
.adaptors
.peripheral_commit();
483 COMMAND_HANDLER(vsllink_handle_usb_vid_command
)
486 return ERROR_COMMAND_SYNTAX_ERROR
;
488 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[0],
489 versaloon_interface
.usb_setting
.vid
);
493 COMMAND_HANDLER(vsllink_handle_usb_pid_command
)
496 return ERROR_COMMAND_SYNTAX_ERROR
;
497 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[0],
498 versaloon_interface
.usb_setting
.pid
);
502 COMMAND_HANDLER(vsllink_handle_usb_serial_command
)
505 return ERROR_COMMAND_SYNTAX_ERROR
;
507 free(versaloon_interface
.usb_setting
.serialstring
);
510 versaloon_interface
.usb_setting
.serialstring
= strdup(CMD_ARGV
[0]);
512 versaloon_interface
.usb_setting
.serialstring
= NULL
;
517 COMMAND_HANDLER(vsllink_handle_usb_bulkin_command
)
520 return ERROR_COMMAND_SYNTAX_ERROR
;
522 COMMAND_PARSE_NUMBER(u8
, CMD_ARGV
[0],
523 versaloon_interface
.usb_setting
.ep_in
);
525 versaloon_interface
.usb_setting
.ep_in
|= 0x80;
530 COMMAND_HANDLER(vsllink_handle_usb_bulkout_command
)
533 return ERROR_COMMAND_SYNTAX_ERROR
;
535 COMMAND_PARSE_NUMBER(u8
, CMD_ARGV
[0],
536 versaloon_interface
.usb_setting
.ep_out
);
538 versaloon_interface
.usb_setting
.ep_out
&= ~0x80;
543 COMMAND_HANDLER(vsllink_handle_usb_interface_command
)
546 return ERROR_COMMAND_SYNTAX_ERROR
;
548 COMMAND_PARSE_NUMBER(u8
, CMD_ARGV
[0],
549 versaloon_interface
.usb_setting
.interface
);
553 /**************************************************************************
554 * VSLLink tap functions */
556 static void vsllink_tap_init(void)
559 pending_scan_results_length
= 0;
560 vsllink_tms_offset
= 0;
563 static void vsllink_tap_ensure_pending(int scans
)
565 int available_scans
=
566 MAX_PENDING_SCAN_RESULTS
- pending_scan_results_length
;
568 if (scans
> available_scans
)
569 vsllink_tap_execute();
572 static void vsllink_tap_append_step(int tms
, int tdi
)
574 int index_var
= tap_length
/ 8;
576 int bit_index
= tap_length
% 8;
577 uint8_t bit
= 1 << bit_index
;
580 tms_buffer
[index_var
] |= bit
;
582 tms_buffer
[index_var
] &= ~bit
;
585 tdi_buffer
[index_var
] |= bit
;
587 tdi_buffer
[index_var
] &= ~bit
;
591 if (tap_buffer_size
* 8 <= tap_length
)
592 vsllink_tap_execute();
595 static void vsllink_tap_append_scan(int length
, uint8_t *buffer
,
596 struct scan_command
*command
)
598 struct pending_scan_result
*pending_scan_result
;
599 int len_tmp
, len_all
, i
;
602 while (len_all
< length
) {
603 vsllink_tap_ensure_pending(1);
604 pending_scan_result
=
605 &pending_scan_results_buffer
[
606 pending_scan_results_length
];
608 if ((length
- len_all
) > (tap_buffer_size
* 8 - tap_length
)) {
609 /* Use all memory available
610 vsllink_tap_append_step will commit automatically */
611 len_tmp
= tap_buffer_size
* 8 - tap_length
;
612 pending_scan_result
->last
= false;
614 len_tmp
= length
- len_all
;
615 pending_scan_result
->last
= true;
617 pending_scan_result
->src_offset
= tap_length
;
618 pending_scan_result
->dest_offset
= len_all
;
619 pending_scan_result
->length
= len_tmp
;
620 pending_scan_result
->command
= command
;
621 pending_scan_result
->buffer
= buffer
;
622 pending_scan_results_length
++;
624 for (i
= 0; i
< len_tmp
; i
++) {
625 vsllink_tap_append_step(((len_all
+ i
) < length
-1
627 (buffer
[(len_all
+ i
)/8]
628 >> ((len_all
+ i
)%8)) & 1);
635 static int vsllink_jtag_execute(void)
643 versaloon_interface
.adaptors
.jtag_raw
.execute(0, tdi_buffer
, tms_buffer
,
644 tdo_buffer
, tap_length
);
646 result
= versaloon_interface
.adaptors
.peripheral_commit();
648 if (result
== ERROR_OK
) {
649 for (i
= 0; i
< pending_scan_results_length
; i
++) {
650 struct pending_scan_result
*pending_scan_result
=
651 &pending_scan_results_buffer
[i
];
652 uint8_t *buffer
= pending_scan_result
->buffer
;
653 int length
= pending_scan_result
->length
;
654 int src_first
= pending_scan_result
->src_offset
;
655 int dest_first
= pending_scan_result
->dest_offset
;
656 bool last
= pending_scan_result
->last
;
658 struct scan_command
*command
;
660 command
= pending_scan_result
->command
;
661 buf_set_buf(tdo_buffer
, src_first
, buffer
, dest_first
, length
);
664 "JTAG scan read(%d bits, from src %d bits to dest %d bits):",
665 length
, src_first
, dest_first
);
666 if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO
))
667 vsllink_debug_buffer(buffer
+ dest_first
/ 8, DIV_ROUND_UP(length
, 7));
670 if (jtag_read_buffer(buffer
, command
)
673 return ERROR_JTAG_QUEUE_FAILED
;
676 free(pending_scan_result
->buffer
);
680 LOG_ERROR("vsllink_jtag_execute failure");
681 return ERROR_JTAG_QUEUE_FAILED
;
689 static int vsllink_tap_execute(void)
694 return vsllink_jtag_execute();
697 static int vsllink_swd_init(void)
699 LOG_INFO("VSLLink SWD mode enabled");
705 static int_least32_t vsllink_swd_frequency(int_least32_t hz
)
707 const int_least32_t delay2hz
[] = {
708 1850000, 235000, 130000, 102000, 85000, 72000
712 uint16_t delay
= UINT16_MAX
;
714 for (uint16_t i
= 0; i
< ARRAY_SIZE(delay2hz
); i
++) {
715 if (hz
>= delay2hz
[i
]) {
722 if (delay
== UINT16_MAX
)
723 delay
= (500000 / hz
) - 1;
725 /* Calculate retry count after a WAIT response. This will give
726 * a retry timeout at about ~250 ms. 54 is the number of bits
727 * found in a transaction. */
728 uint16_t retry_count
= 250 * hz
/ 1000 / 54;
730 LOG_DEBUG("SWD delay: %d, retry count: %d", delay
, retry_count
);
732 versaloon_interface
.adaptors
.swd
.config(0, 2, retry_count
, delay
);
738 static int vsllink_swd_switch_seq(enum swd_special_seq seq
)
742 LOG_DEBUG("SWD line reset");
743 versaloon_interface
.adaptors
.swd
.seqout(0, swd_seq_line_reset
,
744 swd_seq_line_reset_len
);
747 LOG_DEBUG("JTAG-to-SWD");
748 versaloon_interface
.adaptors
.swd
.seqout(0, swd_seq_jtag_to_swd
,
749 swd_seq_jtag_to_swd_len
);
752 LOG_DEBUG("SWD-to-JTAG");
753 versaloon_interface
.adaptors
.swd
.seqout(0, swd_seq_swd_to_jtag
,
754 swd_seq_swd_to_jtag_len
);
757 LOG_ERROR("Sequence %d not supported", seq
);
764 static void vsllink_swd_read_reg(uint8_t cmd
, uint32_t *value
, uint32_t ap_delay_clk
)
766 versaloon_interface
.adaptors
.swd
.transact(0, cmd
, value
, NULL
);
769 static void vsllink_swd_write_reg(uint8_t cmd
, uint32_t value
, uint32_t ap_delay_clk
)
771 versaloon_interface
.adaptors
.swd
.transact(0, cmd
, &value
, NULL
);
774 static int vsllink_swd_run_queue(void)
776 return versaloon_interface
.adaptors
.peripheral_commit();
779 /****************************************************************************
780 * VSLLink USB low-level functions */
782 static int vsllink_check_usb_strings(
783 struct libusb_device_handle
*usb_device_handle
,
784 struct libusb_device_descriptor
*usb_desc
)
786 char desc_string
[256];
789 if (versaloon_interface
.usb_setting
.serialstring
) {
790 retval
= libusb_get_string_descriptor_ascii(usb_device_handle
,
791 usb_desc
->iSerialNumber
, (unsigned char *)desc_string
,
792 sizeof(desc_string
));
796 if (strncmp(desc_string
, versaloon_interface
.usb_setting
.serialstring
,
797 sizeof(desc_string
)))
801 retval
= libusb_get_string_descriptor_ascii(usb_device_handle
,
802 usb_desc
->iProduct
, (unsigned char *)desc_string
,
803 sizeof(desc_string
));
807 if (!strstr(desc_string
, "Versaloon"))
813 static int vsllink_usb_open(struct vsllink
*vsllink
)
815 ssize_t num_devices
, i
;
816 struct libusb_device
**usb_devices
;
817 struct libusb_device_descriptor usb_desc
;
818 struct libusb_device_handle
*usb_device_handle
;
821 num_devices
= libusb_get_device_list(vsllink
->libusb_ctx
, &usb_devices
);
823 if (num_devices
<= 0)
826 for (i
= 0; i
< num_devices
; i
++) {
827 struct libusb_device
*device
= usb_devices
[i
];
829 retval
= libusb_get_device_descriptor(device
, &usb_desc
);
833 if (usb_desc
.idVendor
!= versaloon_interface
.usb_setting
.vid
||
834 usb_desc
.idProduct
!= versaloon_interface
.usb_setting
.pid
)
837 retval
= libusb_open(device
, &usb_device_handle
);
841 retval
= vsllink_check_usb_strings(usb_device_handle
, &usb_desc
);
842 if (retval
== ERROR_OK
)
845 libusb_close(usb_device_handle
);
848 libusb_free_device_list(usb_devices
, 1);
850 if (i
== num_devices
)
853 retval
= libusb_claim_interface(usb_device_handle
,
854 versaloon_interface
.usb_setting
.interface
);
856 LOG_ERROR("unable to claim interface");
857 libusb_close(usb_device_handle
);
861 vsllink
->usb_device_handle
= usb_device_handle
;
865 static void vsllink_usb_close(struct vsllink
*vsllink
)
867 libusb_release_interface(vsllink
->usb_device_handle
,
868 versaloon_interface
.usb_setting
.interface
);
869 libusb_close(vsllink
->usb_device_handle
);
872 #define BYTES_PER_LINE 16
874 static void vsllink_debug_buffer(uint8_t *buffer
, int length
)
881 for (i
= 0; i
< length
; i
+= BYTES_PER_LINE
) {
882 snprintf(line
, 5, "%04x", i
& 0xffff);
883 for (j
= i
; j
< i
+ BYTES_PER_LINE
&& j
< length
; j
++) {
884 snprintf(s
, 4, " %02x", buffer
[j
]);
887 LOG_DEBUG_IO("%s", line
);
891 static const struct command_registration vsllink_subcommand_handlers
[] = {
894 .handler
= &vsllink_handle_usb_vid_command
,
895 .mode
= COMMAND_CONFIG
,
896 .help
= "Set USB VID",
901 .handler
= &vsllink_handle_usb_pid_command
,
902 .mode
= COMMAND_CONFIG
,
903 .help
= "Set USB PID",
907 .name
= "usb_serial",
908 .handler
= &vsllink_handle_usb_serial_command
,
909 .mode
= COMMAND_CONFIG
,
910 .help
= "Set or disable check for USB serial",
911 .usage
= "[<serial>]",
914 .name
= "usb_bulkin",
915 .handler
= &vsllink_handle_usb_bulkin_command
,
916 .mode
= COMMAND_CONFIG
,
917 .help
= "Set USB input endpoint",
921 .name
= "usb_bulkout",
922 .handler
= &vsllink_handle_usb_bulkout_command
,
923 .mode
= COMMAND_CONFIG
,
924 .help
= "Set USB output endpoint",
928 .name
= "usb_interface",
929 .handler
= &vsllink_handle_usb_interface_command
,
930 .mode
= COMMAND_CONFIG
,
931 .help
= "Set USB output interface",
932 .usage
= "<interface>",
934 COMMAND_REGISTRATION_DONE
937 static const struct command_registration vsllink_command_handlers
[] = {
941 .help
= "perform vsllink management",
942 .chain
= vsllink_subcommand_handlers
,
945 COMMAND_REGISTRATION_DONE
948 static const char * const vsllink_transports
[] = {"jtag", "swd", NULL
};
950 static const struct swd_driver vsllink_swd_driver
= {
951 .init
= vsllink_swd_init
,
952 .switch_seq
= vsllink_swd_switch_seq
,
953 .read_reg
= vsllink_swd_read_reg
,
954 .write_reg
= vsllink_swd_write_reg
,
955 .run
= vsllink_swd_run_queue
,
958 static struct jtag_interface vsllink_interface
= {
959 .supported
= DEBUG_CAP_TMS_SEQ
,
960 .execute_queue
= vsllink_execute_queue
,
963 struct adapter_driver vsllink_adapter_driver
= {
965 .transports
= vsllink_transports
,
966 .commands
= vsllink_command_handlers
,
968 .init
= vsllink_init
,
969 .quit
= vsllink_quit
,
970 .reset
= vsllink_reset
,
971 .speed
= vsllink_speed
,
973 .speed_div
= vsllink_speed_div
,
975 .jtag_ops
= &vsllink_interface
,
976 .swd_ops
= &vsllink_swd_driver
,