1 /***************************************************************************
2 * Copyright (C) 2007 by Juergen Stuber <juergen@jstuber.net> *
3 * based on Dominic Rath's and Benedikt Sauter's usbprog.c *
5 * Copyright (C) 2008 by Spencer Oliver *
6 * spen@spen-soft.co.uk *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
28 #include "replacements.h"
40 #define JLINK_WRITE_ENDPOINT 0x02
41 #define JLINK_READ_ENDPOINT 0x81
43 #define JLINK_USB_TIMEOUT 1000
45 #define JLINK_IN_BUFFER_SIZE 8192
46 #define JLINK_OUT_BUFFER_SIZE 8192
47 #define JLINK_EMU_RESULT_BUFFER_SIZE 64
49 /* Global USB buffers */
50 static u8 usb_in_buffer
[JLINK_IN_BUFFER_SIZE
];
51 static u8 usb_out_buffer
[JLINK_OUT_BUFFER_SIZE
];
52 static u8 usb_emu_result_buffer
[JLINK_EMU_RESULT_BUFFER_SIZE
];
54 /* Constants for JLink command */
55 #define EMU_CMD_VERSION 0x01
56 #define EMU_CMD_SET_SPEED 0x05
57 #define EMU_CMD_GET_STATE 0x07
58 #define EMU_CMD_HW_JTAG3 0xcf
59 #define EMU_CMD_HW_RESET0 0xdc
60 #define EMU_CMD_HW_RESET1 0xdd
61 #define EMU_CMD_HW_TRST0 0xde
62 #define EMU_CMD_HW_TRST1 0xdf
64 /* max speed 12MHz v5.0 jlink */
65 #define JLINK_MAX_SPEED 12000
67 /* External interface functions */
68 static int jlink_execute_queue(void);
69 static int jlink_speed(int speed
);
70 static int jlink_speed_div(int speed
, int* khz
);
71 static int jlink_khz(int khz
, int *jtag_speed
);
72 static int jlink_register_commands(struct command_context_s
*cmd_ctx
);
73 static int jlink_init(void);
74 static int jlink_quit(void);
76 /* CLI command handler functions */
77 static int jlink_handle_jlink_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
79 /* Queue command functions */
80 static void jlink_end_state(tap_state_t state
);
81 static void jlink_state_move(void);
82 static void jlink_path_move(int num_states
, tap_state_t
*path
);
83 static void jlink_runtest(int num_cycles
);
84 static void jlink_scan(int ir_scan
, enum scan_type type
, u8
*buffer
, int scan_size
, scan_command_t
*command
);
85 static void jlink_reset(int trst
, int srst
);
86 static void jlink_simple_command(u8 command
);
87 static int jlink_get_status(void);
89 /* J-Link tap buffer functions */
90 static void jlink_tap_init(void);
91 static int jlink_tap_execute(void);
92 static void jlink_tap_ensure_space(int scans
, int bits
);
93 static void jlink_tap_append_step(int tms
, int tdi
);
94 static void jlink_tap_append_scan(int length
, u8
*buffer
, scan_command_t
*command
);
96 /* Jlink lowlevel functions */
97 typedef struct jlink_jtag
99 struct usb_dev_handle
* usb_handle
;
102 static jlink_jtag_t
*jlink_usb_open(void);
103 static void jlink_usb_close(jlink_jtag_t
*jlink_jtag
);
104 static int jlink_usb_message(jlink_jtag_t
*jlink_jtag
, int out_length
, int in_length
);
105 static int jlink_usb_write(jlink_jtag_t
*jlink_jtag
, int out_length
);
106 static int jlink_usb_read(jlink_jtag_t
*jlink_jtag
, int expected_size
);
107 static int jlink_usb_read_emu_result(jlink_jtag_t
*jlink_jtag
);
109 /* helper functions */
110 static int jlink_get_version_info(void);
112 #ifdef _DEBUG_USB_COMMS_
113 static void jlink_debug_buffer(u8
*buffer
, int length
);
116 static jlink_jtag_t
* jlink_jtag_handle
;
118 /***************************************************************************/
119 /* External interface implementation */
121 jtag_interface_t jlink_interface
=
124 .execute_queue
= jlink_execute_queue
,
125 .speed
= jlink_speed
,
126 .speed_div
= jlink_speed_div
,
128 .register_commands
= jlink_register_commands
,
133 static int jlink_execute_queue(void)
135 jtag_command_t
*cmd
= jtag_command_queue
;
145 DEBUG_JTAG_IO("end_state: %i", cmd
->cmd
.end_state
->end_state
);
147 if (cmd
->cmd
.end_state
->end_state
!= TAP_INVALID
)
149 jlink_end_state(cmd
->cmd
.end_state
->end_state
);
154 DEBUG_JTAG_IO( "runtest %i cycles, end in %i", cmd
->cmd
.runtest
->num_cycles
, \
155 cmd
->cmd
.runtest
->end_state
);
157 if (cmd
->cmd
.runtest
->end_state
!= TAP_INVALID
)
159 jlink_end_state(cmd
->cmd
.runtest
->end_state
);
161 jlink_runtest(cmd
->cmd
.runtest
->num_cycles
);
165 DEBUG_JTAG_IO("statemove end in %i", cmd
->cmd
.statemove
->end_state
);
167 if (cmd
->cmd
.statemove
->end_state
!= TAP_INVALID
)
169 jlink_end_state(cmd
->cmd
.statemove
->end_state
);
175 DEBUG_JTAG_IO("pathmove: %i states, end in %i", \
176 cmd
->cmd
.pathmove
->num_states
, \
177 cmd
->cmd
.pathmove
->path
[cmd
->cmd
.pathmove
->num_states
- 1]);
179 jlink_path_move(cmd
->cmd
.pathmove
->num_states
, cmd
->cmd
.pathmove
->path
);
183 DEBUG_JTAG_IO("scan end in %i", cmd
->cmd
.scan
->end_state
);
185 if (cmd
->cmd
.scan
->end_state
!= TAP_INVALID
)
187 jlink_end_state(cmd
->cmd
.scan
->end_state
);
190 scan_size
= jtag_build_buffer(cmd
->cmd
.scan
, &buffer
);
191 DEBUG_JTAG_IO("scan input, length = %d", scan_size
);
193 #ifdef _DEBUG_USB_COMMS_
194 jlink_debug_buffer(buffer
, (scan_size
+ 7) / 8);
196 type
= jtag_scan_type(cmd
->cmd
.scan
);
197 jlink_scan(cmd
->cmd
.scan
->ir_scan
, type
, buffer
, scan_size
, cmd
->cmd
.scan
);
201 DEBUG_JTAG_IO("reset trst: %i srst %i", cmd
->cmd
.reset
->trst
, cmd
->cmd
.reset
->srst
);
205 if (cmd
->cmd
.reset
->trst
== 1)
207 tap_set_state(TAP_RESET
);
209 jlink_reset(cmd
->cmd
.reset
->trst
, cmd
->cmd
.reset
->srst
);
213 DEBUG_JTAG_IO("sleep %i", cmd
->cmd
.sleep
->us
);
215 jtag_sleep(cmd
->cmd
.sleep
->us
);
219 LOG_ERROR("BUG: unknown JTAG command type encountered");
225 return jlink_tap_execute();
228 /* Sets speed in kHz. */
229 static int jlink_speed(int speed
)
233 if (speed
<= JLINK_MAX_SPEED
)
235 /* check for RTCK setting */
239 usb_out_buffer
[0] = EMU_CMD_SET_SPEED
;
240 usb_out_buffer
[1] = (speed
>> 0) & 0xff;
241 usb_out_buffer
[2] = (speed
>> 8) & 0xff;
243 result
= jlink_usb_write(jlink_jtag_handle
, 3);
251 LOG_ERROR("J-Link setting speed failed (%d)", result
);
252 return ERROR_JTAG_DEVICE_ERROR
;
257 LOG_INFO("Requested speed %dkHz exceeds maximum of %dkHz, ignored", speed
, JLINK_MAX_SPEED
);
263 static int jlink_speed_div(int speed
, int* khz
)
270 static int jlink_khz(int khz
, int *jtag_speed
)
277 static int jlink_register_commands(struct command_context_s
*cmd_ctx
)
279 register_command(cmd_ctx
, NULL
, "jlink_info", jlink_handle_jlink_info_command
, COMMAND_EXEC
,
284 static int jlink_init(void)
288 jlink_jtag_handle
= jlink_usb_open();
290 if (jlink_jtag_handle
== 0)
292 LOG_ERROR("Cannot find jlink Interface! Please check connection and permissions.");
293 return ERROR_JTAG_INIT_FAILED
;
297 while (check_cnt
< 3)
299 if (jlink_get_version_info() == ERROR_OK
)
301 /* attempt to get status */
311 LOG_INFO("J-Link initial read failed, don't worry");
314 LOG_INFO("J-Link JTAG Interface ready");
322 static int jlink_quit(void)
324 jlink_usb_close(jlink_jtag_handle
);
328 /***************************************************************************/
329 /* Queue command implementations */
331 static void jlink_end_state(tap_state_t state
)
333 if (tap_is_state_stable(state
))
335 tap_set_end_state(state
);
339 LOG_ERROR("BUG: %i is not a valid end state", state
);
344 /* Goes to the end state. */
345 static void jlink_state_move(void)
349 u8 tms_scan
= tap_get_tms_path(tap_get_state(), tap_get_end_state());
351 for (i
= 0; i
< 7; i
++)
353 tms
= (tms_scan
>> i
) & 1;
354 jlink_tap_append_step(tms
, 0);
357 tap_set_state(tap_get_end_state());
360 static void jlink_path_move(int num_states
, tap_state_t
*path
)
364 for (i
= 0; i
< num_states
; i
++)
366 if (path
[i
] == tap_state_transition(tap_get_state(), false))
368 jlink_tap_append_step(0, 0);
370 else if (path
[i
] == tap_state_transition(tap_get_state(), true))
372 jlink_tap_append_step(1, 0);
376 LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(path
[i
]));
380 tap_set_state(path
[i
]);
383 tap_set_end_state(tap_get_state());
386 static void jlink_runtest(int num_cycles
)
390 tap_state_t saved_end_state
= tap_get_end_state();
392 /* only do a state_move when we're not already in IDLE */
393 if (tap_get_state() != TAP_IDLE
)
395 jlink_end_state(TAP_IDLE
);
399 /* execute num_cycles */
400 for (i
= 0; i
< num_cycles
; i
++)
402 jlink_tap_append_step(0, 0);
405 /* finish in end_state */
406 jlink_end_state(saved_end_state
);
407 if (tap_get_state() != tap_get_end_state())
413 static void jlink_scan(int ir_scan
, enum scan_type type
, u8
*buffer
, int scan_size
, scan_command_t
*command
)
415 tap_state_t saved_end_state
;
417 jlink_tap_ensure_space(1, scan_size
+ 8);
419 saved_end_state
= tap_get_end_state();
421 /* Move to appropriate scan state */
422 jlink_end_state(ir_scan
? TAP_IRSHIFT
: TAP_DRSHIFT
);
424 /* Only move if we're not already there */
425 if (tap_get_state() != tap_get_end_state())
428 jlink_end_state(saved_end_state
);
431 jlink_tap_append_scan(scan_size
, buffer
, command
);
433 /* We are in Exit1, go to Pause */
434 jlink_tap_append_step(0, 0);
436 tap_set_state(ir_scan
? TAP_IRPAUSE
: TAP_DRPAUSE
);
438 if (tap_get_state() != tap_get_end_state())
444 static void jlink_reset(int trst
, int srst
)
446 LOG_DEBUG("trst: %i, srst: %i", trst
, srst
);
448 /* Signals are active low */
451 jlink_simple_command(EMU_CMD_HW_RESET1
);
455 jlink_simple_command(EMU_CMD_HW_RESET0
);
460 jlink_simple_command(EMU_CMD_HW_TRST1
);
464 jlink_simple_command(EMU_CMD_HW_TRST0
);
468 static void jlink_simple_command(u8 command
)
472 DEBUG_JTAG_IO("0x%02x", command
);
474 usb_out_buffer
[0] = command
;
475 result
= jlink_usb_write(jlink_jtag_handle
, 1);
479 LOG_ERROR("J-Link command 0x%02x failed (%d)", command
, result
);
483 static int jlink_get_status(void)
487 jlink_simple_command(EMU_CMD_GET_STATE
);
488 result
= jlink_usb_read(jlink_jtag_handle
, 8);
492 int vref
= usb_in_buffer
[0] + (usb_in_buffer
[1] << 8);
493 LOG_INFO("Vref = %d.%d TCK = %d TDI = %d TDO = %d TMS = %d SRST = %d TRST = %d\n", \
494 vref
/ 1000, vref
% 1000, \
495 usb_in_buffer
[2], usb_in_buffer
[3], usb_in_buffer
[4], \
496 usb_in_buffer
[5], usb_in_buffer
[6], usb_in_buffer
[7]);
500 LOG_ERROR("Vref too low. Check Target Power\n");
505 LOG_ERROR("J-Link command EMU_CMD_GET_STATE failed (%d)\n", result
);
511 static int jlink_get_version_info(void)
516 /* query hardware version */
517 jlink_simple_command(EMU_CMD_VERSION
);
518 result
= jlink_usb_read(jlink_jtag_handle
, 2);
522 len
= buf_get_u32(usb_in_buffer
, 0, 16);
523 result
= jlink_usb_read(jlink_jtag_handle
, len
);
527 usb_in_buffer
[result
] = 0;
528 LOG_INFO("%s", (char *)usb_in_buffer
);
533 LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", result
);
534 return ERROR_JTAG_DEVICE_ERROR
;
537 static int jlink_handle_jlink_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
539 if (jlink_get_version_info() == ERROR_OK
)
541 /* attempt to get status */
548 /***************************************************************************/
549 /* J-Link tap functions */
551 /* 2048 is the max value we can use here */
552 #define JLINK_TAP_BUFFER_SIZE 2048
554 static int tap_length
;
555 static u8 tms_buffer
[JLINK_TAP_BUFFER_SIZE
];
556 static u8 tdi_buffer
[JLINK_TAP_BUFFER_SIZE
];
557 static u8 tdo_buffer
[JLINK_TAP_BUFFER_SIZE
];
561 int first
; /* First bit position in tdo_buffer to read */
562 int length
; /* Number of bits to read */
563 scan_command_t
*command
; /* Corresponding scan command */
565 } pending_scan_result_t
;
567 #define MAX_PENDING_SCAN_RESULTS 256
569 static int pending_scan_results_length
;
570 static pending_scan_result_t pending_scan_results_buffer
[MAX_PENDING_SCAN_RESULTS
];
574 static void jlink_tap_init(void)
577 pending_scan_results_length
= 0;
580 static void jlink_tap_ensure_space(int scans
, int bits
)
582 int available_scans
= MAX_PENDING_SCAN_RESULTS
- pending_scan_results_length
;
583 int available_bits
= JLINK_TAP_BUFFER_SIZE
* 8 - tap_length
;
585 if (scans
> available_scans
|| bits
> available_bits
)
591 static void jlink_tap_append_step(int tms
, int tdi
)
594 int index
= tap_length
/ 8;
596 if (index
< JLINK_TAP_BUFFER_SIZE
)
598 int bit_index
= tap_length
% 8;
599 u8 bit
= 1 << bit_index
;
603 tms_buffer
[index
] |= bit
;
607 tms_buffer
[index
] &= ~bit
;
612 tdi_buffer
[index
] |= bit
;
616 tdi_buffer
[index
] &= ~bit
;
623 LOG_ERROR("jlink_tap_append_step, overflow");
627 static void jlink_tap_append_scan(int length
, u8
*buffer
, scan_command_t
*command
)
629 pending_scan_result_t
*pending_scan_result
= &pending_scan_results_buffer
[pending_scan_results_length
];
632 pending_scan_result
->first
= tap_length
;
633 pending_scan_result
->length
= length
;
634 pending_scan_result
->command
= command
;
635 pending_scan_result
->buffer
= buffer
;
637 for (i
= 0; i
< length
; i
++)
639 jlink_tap_append_step((i
< length
-1 ? 0 : 1), (buffer
[i
/8] >> (i
%8)) & 1);
641 pending_scan_results_length
++;
644 /* Pad and send a tap sequence to the device, and receive the answer.
645 * For the purpose of padding we assume that we are in idle or pause state. */
646 static int jlink_tap_execute(void)
656 /* Pad last byte so that tap_length is divisible by 8 */
657 while (tap_length
% 8 != 0)
659 /* More of the last TMS value keeps us in the same state,
660 * analogous to free-running JTAG interfaces. */
661 jlink_tap_append_step(last_tms
, 0);
664 byte_length
= tap_length
/ 8;
666 usb_out_buffer
[0] = EMU_CMD_HW_JTAG3
;
667 usb_out_buffer
[1] = 0;
668 usb_out_buffer
[2] = (tap_length
>> 0) & 0xff;
669 usb_out_buffer
[3] = (tap_length
>> 8) & 0xff;
672 for (i
= 0; i
< byte_length
; i
++)
674 usb_out_buffer
[tms_offset
+ i
] = tms_buffer
[i
];
677 tdi_offset
= tms_offset
+ byte_length
;
678 for (i
= 0; i
< byte_length
; i
++)
680 usb_out_buffer
[tdi_offset
+ i
] = tdi_buffer
[i
];
683 result
= jlink_usb_message(jlink_jtag_handle
, 4 + 2 * byte_length
, byte_length
);
685 if (result
== byte_length
)
687 for (i
= 0; i
< byte_length
; i
++)
689 tdo_buffer
[i
] = usb_in_buffer
[i
];
692 for (i
= 0; i
< pending_scan_results_length
; i
++)
694 pending_scan_result_t
*pending_scan_result
= &pending_scan_results_buffer
[i
];
695 u8
*buffer
= pending_scan_result
->buffer
;
696 int length
= pending_scan_result
->length
;
697 int first
= pending_scan_result
->first
;
698 scan_command_t
*command
= pending_scan_result
->command
;
701 buf_set_buf(tdo_buffer
, first
, buffer
, 0, length
);
703 DEBUG_JTAG_IO("pending scan result, length = %d", length
);
705 #ifdef _DEBUG_USB_COMMS_
706 jlink_debug_buffer(buffer
, byte_length
);
709 if (jtag_read_buffer(buffer
, command
) != ERROR_OK
)
712 return ERROR_JTAG_QUEUE_FAILED
;
715 if (pending_scan_result
->buffer
!= NULL
)
717 free(pending_scan_result
->buffer
);
723 LOG_ERROR("jlink_tap_execute, wrong result %d, expected %d", result
, byte_length
);
724 return ERROR_JTAG_QUEUE_FAILED
;
733 /*****************************************************************************/
734 /* JLink USB low-level functions */
736 static jlink_jtag_t
* jlink_usb_open()
738 struct usb_bus
*busses
;
740 struct usb_device
*dev
;
742 jlink_jtag_t
*result
;
744 result
= (jlink_jtag_t
*) malloc(sizeof(jlink_jtag_t
));
750 busses
= usb_get_busses();
752 /* find jlink_jtag device in usb bus */
754 for (bus
= busses
; bus
; bus
= bus
->next
)
756 for (dev
= bus
->devices
; dev
; dev
= dev
->next
)
758 if ((dev
->descriptor
.idVendor
== VID
) && (dev
->descriptor
.idProduct
== PID
))
760 result
->usb_handle
= usb_open(dev
);
762 /* usb_set_configuration required under win32 */
763 usb_set_configuration(result
->usb_handle
, dev
->config
[0].bConfigurationValue
);
764 usb_claim_interface(result
->usb_handle
, 0);
768 * This makes problems under Mac OS X. And is not needed
769 * under Windows. Hopefully this will not break a linux build
771 usb_set_altinterface(result
->usb_handle
, 0);
782 static void jlink_usb_close(jlink_jtag_t
*jlink_jtag
)
784 usb_close(jlink_jtag
->usb_handle
);
788 /* Send a message and receive the reply. */
789 static int jlink_usb_message(jlink_jtag_t
*jlink_jtag
, int out_length
, int in_length
)
794 result
= jlink_usb_write(jlink_jtag
, out_length
);
795 if (result
== out_length
)
797 result
= jlink_usb_read(jlink_jtag
, in_length
);
798 if (result
== in_length
|| result
== in_length
+1)
800 if (result
== in_length
)
802 /* Must read the result from the EMU too */
803 result2
= jlink_usb_read_emu_result(jlink_jtag
);
806 /* Check the result itself */
807 if (0 == usb_emu_result_buffer
[0])
813 LOG_ERROR("jlink_usb_read_emu_result (requested=0, result=%d)", usb_emu_result_buffer
[0]);
819 LOG_ERROR("jlink_usb_read_emu_result len (requested=1, result=%d)", result2
);
825 /* Check the result itself */
826 if (0 == usb_in_buffer
[result
-1])
832 LOG_ERROR("jlink_usb_read_emu_result (requested=0, result=%d)", usb_in_buffer
[result
]);
839 LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length
, result
);
845 LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", out_length
, result
);
850 /* calls the given usb_bulk_* function, allowing for the data to trickle in with some timeouts */
851 static int usb_bulk_with_retries(
852 int (*f
)(usb_dev_handle
*, int, char *, int, int),
853 usb_dev_handle
*dev
, int ep
,
854 char *bytes
, int size
, int timeout
)
856 int rc
= 0, tries
= 3, this_size
;
858 while (tries
&& size
) {
860 this_size
= f(dev
, ep
, bytes
, size
, timeout
);
872 static inline int usb_bulk_write_ex(usb_dev_handle
*dev
, int ep
,
873 char *bytes
, int size
, int timeout
)
875 return usb_bulk_with_retries(&usb_bulk_write
,
876 dev
, ep
, bytes
, size
, timeout
);
878 static inline int usb_bulk_read_ex(usb_dev_handle
*dev
, int ep
,
879 char *bytes
, int size
, int timeout
)
881 return usb_bulk_with_retries(&usb_bulk_read
,
882 dev
, ep
, bytes
, size
, timeout
);
885 /* Write data from out_buffer to USB. */
886 static int jlink_usb_write(jlink_jtag_t
*jlink_jtag
, int out_length
)
890 if (out_length
> JLINK_OUT_BUFFER_SIZE
)
892 LOG_ERROR("jlink_jtag_write illegal out_length=%d (max=%d)", out_length
, JLINK_OUT_BUFFER_SIZE
);
896 result
= usb_bulk_write_ex(jlink_jtag
->usb_handle
, JLINK_WRITE_ENDPOINT
,
897 (char *)usb_out_buffer
, out_length
, JLINK_USB_TIMEOUT
);
899 DEBUG_JTAG_IO("jlink_usb_write, out_length = %d, result = %d", out_length
, result
);
901 #ifdef _DEBUG_USB_COMMS_
902 jlink_debug_buffer(usb_out_buffer
, out_length
);
907 /* Read data from USB into in_buffer. */
908 static int jlink_usb_read(jlink_jtag_t
*jlink_jtag
, int expected_size
)
910 int result
= usb_bulk_read_ex(jlink_jtag
->usb_handle
, JLINK_READ_ENDPOINT
,
911 (char *)usb_in_buffer
, expected_size
, JLINK_USB_TIMEOUT
);
913 DEBUG_JTAG_IO("jlink_usb_read, result = %d", result
);
915 #ifdef _DEBUG_USB_COMMS_
916 jlink_debug_buffer(usb_in_buffer
, result
);
921 /* Read the result from the previous EMU cmd into result_buffer. */
922 static int jlink_usb_read_emu_result(jlink_jtag_t
*jlink_jtag
)
924 int result
= usb_bulk_read_ex(jlink_jtag
->usb_handle
, JLINK_READ_ENDPOINT
,
925 (char *)usb_emu_result_buffer
, 1 /* JLINK_EMU_RESULT_BUFFER_SIZE */,
928 DEBUG_JTAG_IO("jlink_usb_read_result, result = %d", result
);
930 #ifdef _DEBUG_USB_COMMS_
931 jlink_debug_buffer(usb_emu_result_buffer
, result
);
936 #ifdef _DEBUG_USB_COMMS_
937 #define BYTES_PER_LINE 16
939 static void jlink_debug_buffer(u8
*buffer
, int length
)
946 for (i
= 0; i
< length
; i
+= BYTES_PER_LINE
)
948 snprintf(line
, 5, "%04x", i
);
949 for (j
= i
; j
< i
+ BYTES_PER_LINE
&& j
< length
; j
++)
951 snprintf(s
, 4, " %02x", buffer
[j
]);
954 LOG_DEBUG("%s", line
);
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)