-
Notifications
You must be signed in to change notification settings - Fork 11
/
descriptors_hdmi2usb.a51
564 lines (503 loc) · 28.5 KB
/
descriptors_hdmi2usb.a51
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
; //////////////////////////////////////////////////////////////////////////////
; /// Copyright (c) 2013, Jahanzeb Ahmad
; /// All rights reserved.
; ///
; /// Redistribution and use in source and binary forms, with or without modification,
; /// are permitted provided that the following conditions are met:
; ///
; /// * Redistributions of source code must retain the above copyright notice,
; /// this list of conditions and the following disclaimer.
; /// * Redistributions in binary form must reproduce the above copyright notice,
; /// this list of conditions and the following disclaimer in the documentation and/or
; /// other materials provided with the distribution.
; ///
; /// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
; /// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
; /// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
; /// SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
; /// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
; /// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
; /// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
; /// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
; /// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
; /// POSSIBILITY OF SUCH DAMAGE.
; ///
; /// * http://opensource.org/licenses/MIT
; /// * http://copyfree.org/licenses/mit/license.txt
; ///
; //////////////////////////////////////////////////////////////////////////////
.module DEV_DSCR
.include "date.inc"
DSCR_DEVICE_TYPE = 1 ;; Descriptor type: Device
DSCR_CONFIG_TYPE = 2 ;; Descriptor type: Configuration
DSCR_STRING_TYPE = 3 ;; Descriptor type: String
DSCR_INTERFACE_TYPE = 4 ;; Descriptor type: Interface
DSCR_ENDPOINT_TYPE = 5 ;; Descriptor type: Endpoint
DSCR_DEVQUAL_TYPE = 6 ;; Descriptor type: Device Qualifier
; for the repeating interfaces
DSCR_DEVICE_LEN = 18
DSCR_CONFIG_LEN = 9
DSCR_INTERFACE_LEN = 9
DSCR_ENDPOINT_LEN = 7
DSCR_DEVQUAL_LEN = 10
; endpoint types
ENDPOINT_TYPE_CONTROL = 0 ;; Endpoint type: Control
ENDPOINT_TYPE_ISO = 1 ;; Endpoint type: Isochronous
ENDPOINT_TYPE_BULK = 2 ;; Endpoint type: Bulk
ENDPOINT_TYPE_INT = 3 ;; Endpoint type: Interrupt
LEN=(highspd_dscr_realend-_highspd_dscr)
LEN_LE=((LEN&0x00FF)<<8)+(LEN>>8)
VID_LE=((VID&0x00FF)<<8)+(VID>>8)
PID_LE=((PID&0x00FF)<<8)+(PID>>8)
DID_LE=((DID&0x00FF)<<8)+(DID>>8)
.globl _dev_dscr, _dev_qual_dscr, _highspd_dscr, _fullspd_dscr, _dev_strings, _dev_strings_end, _dev_serial
; These need to be in code memory. If they aren't you'll have to
; manually copy them somewhere in code memory otherwise SUDPTRH:L
; don't work right
.area DSCR_AREA (CODE)
; DEVICE DESCRIPTOR
_dev_dscr:
.db dev_dscr_end-_dev_dscr ; 0 bLength 1 Descriptor size in bytes (12h)
.db DSCR_DEVICE_TYPE ; 1 bDescriptorType 1 The constant DEVICE (01h)
.dw 0x0002 ; 2 bcdUSB 2 USB specification release number (BCD)
.db 0xEF ; 4 bDeviceClass 1 Class code
.db 0x02 ; 5 bDeviceSubclass 1 Subclass code
.db 0x01 ; 6 bDeviceProtocol 1 Protocol Code
.db 64 ; 7 bMaxPacketSize0 1 Maximum packet size for endpoint zero
.dw VID_LE ; 8 idVendor 2 Vendor ID
.dw PID_LE ; 10 idProduct 2 Product ID
.dw DID_LE ; 12 bcdDevice 2 Device release number (BCD)
.db 1 ; 14 iManufacturer 1 Index of string descriptor for the manufacturer
.db 2 ; 15 iProduct 1 Index of string descriptor for the product
.db 3 ; 16 iSerialNumber 1 Index of string descriptor for the serial number
.db 1 ; 17 bNumConfigurations 1 Number of possible configurations
dev_dscr_end:
; CONFIGURATION DESCRIPTOR
_highspd_dscr:
.db highspd_dscr_end-_highspd_dscr ; bLength
.db DSCR_CONFIG_TYPE ; bDescriptorType
.db <(highspd_dscr_realend - _highspd_dscr) ;; Total Length (LSB)
.db >(highspd_dscr_realend - _highspd_dscr) ;; Total Length (MSB)
.db 4 ; bNumInterfaces
.db 1 ; bConfigurationValue
.db 0 ; iConfiguration (string index)
.db 0x80 ; bmAttributes (bus powered, no wakeup)
.db 250 ; MaxPower 500mA
highspd_dscr_end:
;;;;;;;;;;;;;;;;; UVC ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;/* Interface association descriptor */
.db 0x08 ;/* Descriptor size */
.db 0x0B ;/* Interface association descr type */
.db 0x00 ;/* I/f number of first video control i/f */
.db 0x02 ;/* Number of video streaming i/f */
.db 0x0E ;/* CC_VIDEO : Video i/f class code */
.db 0x03 ;/* SC_VIDEO_INTERFACE_COLLECTION : subclass code */
.db 0x00 ;/* Protocol : not used */
.db 0x01 ;/* String desc index for interface */
;/* Standard video control interface descriptor */
.db 0x09 ;/* Descriptor size */
.db DSCR_INTERFACE_TYPE ;/* Interface descriptor type */
.db 0x00 ;/* Interface number */
.db 0x00 ;/* Alternate setting number */
.db 0x00 ;/* Number of end points */
.db 0x0E ;/* CC_VIDEO : Interface class */
.db 0x01 ;/* CC_VIDEOCONTROL : Interface sub class */
.db 0x00 ;/* Interface protocol code */
.db 0x00 ;/* Interface descriptor string index */
;/* Class specific VC interface header descriptor */
.db 0x0D ;/* Descriptor size */
.db 0x24 ;/* Class Specific I/f header descriptor type */
.db 0x01 ;/* Descriptor sub type : VC_HEADER */
.db 0x00,0x01 ;/* Revision of class spec : 1.0 */
.db 0x50,0x00 ;/* Total size of class specific descriptors (till output terminal) */
.db 0x00,0x6C,0xDC,0x02 ;/* Clock frequency : 48MHz */
.db 0x01 ;/* Number of streaming interfaces */
.db 0x01 ;/* Video streaming I/f 1 belongs to VC i/f */
;/* Input (camera) terminal descriptor */
.db 0x12 ;/* Descriptor size */
.db 0x24 ;/* Class specific interface desc type */
.db 0x02 ;/* Input Terminal Descriptor type */
.db 0x01 ;/* ID of this terminal */
.db 0x01,0x02 ;/* Camera terminal type */
.db 0x00 ;/* No association terminal */
.db 0x00 ;/* String desc index : not used */
.db 0x00,0x00 ;/* No optical zoom supported */
.db 0x00,0x00 ;/* No optical zoom supported */
.db 0x00,0x00 ;/* No optical zoom supported */
.db 0x03 ;/* Size of controls field for this terminal : 3 bytes */
.db 0x00,0x00,0x00 ;/* No controls supported */
;/* Processing unit descriptor */
.db 0x0C ;/* Descriptor size */
.db 0x24 ;/* Class specific interface desc type */
.db 0x05 ;/* Processing unit descriptor type */
.db 0x02 ;/* ID of this terminal */
.db 0x01 ;/* Source ID : 1 : connected to input terminal */
.db 0x00,0x00 ;/* Digital multiplier */
.db 0x03 ;/* Size of controls field for this terminal : 3 bytes */
.db 0x00,0x00,0x00 ;/* No controls supported */
.db 0x00 ;/* String desc index : not used */
;/* Extension unit descriptor */
.db 0x1C ;/* Descriptor size */
.db 0x24 ;/* Class specific interface desc type */
.db 0x06 ;/* Extension unit descriptor type */
.db 0x03 ;/* ID of this terminal */
.db 0xFF,0xFF,0xFF,0xFF ;/* 16 byte GUID */
.db 0xFF,0xFF,0xFF,0xFF
.db 0xFF,0xFF,0xFF,0xFF
.db 0xFF,0xFF,0xFF,0xFF
.db 0x00 ;/* Number of controls in this terminal */
.db 0x01 ;/* Number of input pins in this terminal */
.db 0x02 ;/* Source ID : 2 : connected to proc unit */
.db 0x03 ;/* Size of controls field for this terminal : 3 bytes */
.db 0x00,0x00,0x00 ;/* No controls supported */
.db 0x00 ;/* String desc index : not used */
;/* Output terminal descriptor */
.db 0x09 ;/* Descriptor size */
.db 0x24 ;/* Class specific interface desc type */
.db 0x03 ;/* Output terminal descriptor type */
.db 0x04 ;/* ID of this terminal */
.db 0x01,0x01 ;/* USB Streaming terminal type */
.db 0x00 ;/* No association terminal */
.db 0x03 ;/* Source ID : 3 : connected to extn unit */
.db 0x00 ;/* String desc index : not used */
;/* Standard video streaming interface descriptor (alternate setting 0) */
.db 0x09 ;/* Descriptor size */
.db DSCR_INTERFACE_TYPE ;/* Interface descriptor type */
.db 0x01 ;/* Interface number */
.db 0x00 ;/* Alternate setting number */
.db 0x00 ;/* Number of end points : zero bandwidth */
.db 0x0E ;/* Interface class : CC_VIDEO */
.db 0x02 ;/* Interface sub class : CC_VIDEOSTREAMING */
.db 0x00 ;/* Interface protocol code : undefined */
.db 0x00 ;/* Interface descriptor string index */
vsheader:
;/* Class-specific video streaming input header descriptor */
.db 0x0F ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS i/f type */
.db 0x01 ;/* Descriptor subtype : input header */
.db 0x02 ;/* 2 format descriptor follows */
.db <(vsheaderend-vsheader) ;; Total Length (LSB)
.db >(vsheaderend-vsheader) ;; Total Length (MSB)
.db 0x86 ;/* EP address for BULK video data */
.db 0x00 ;/* No dynamic format change supported */
.db 0x04 ;/* Output terminal ID : 4 */
.db 0x01 ;/* Still image capture method 1 supported */
.db 0x01 ;/* Hardware trigger supported for still image */
.db 0x00 ;/* Hardware to initiate still image capture */
.db 0x01 ;/* Size of controls field : 1 byte */
.db 0x00 ;/* D2 : Compression quality supported */
.db 0x00 ;/* D2 : Compression quality supported */
;;;;;;;;;;;;;; MJPEG ;;;;;;;;;;;;;
;/* Class specific VS format descriptor */
.db 0x0B ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS i/f type */
.db 0x06 ;/* Descriptor subtype : VS_FORMAT_MJPEG */
.db 0x01 ;/* Format descriptor index */
.db 0x02 ;/* 2 Frame descriptor follows */
.db 0x01 ;/* Uses fixed size samples */
.db 0x01 ;/* Default frame index is 1 */
.db 0x00 ;/* Non interlaced stream not reqd. */
.db 0x00 ;/* Non interlaced stream not reqd. */
.db 0x00 ;/* Non interlaced stream */
.db 0x00 ;/* CopyProtect: duplication unrestricted */
;/* Class specific VS frame descriptor */ 1
.db 0x1E ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS I/f Type */
.db 0x07 ;/* Descriptor subtype : VS_FRAME_MJPEG */
.db 0x01 ;/* Frame descriptor index */
.db 0x02 ;/* Still image capture method not supported */
.db 0x00,0x04 ;/* Width of the frame : 1024 */
.db 0x00,0x03 ;/* Height of the frame : 768 */
.db 0x00,0x00,0x00,0x0E ;/* Min bit rate bits/s */
.db 0x00,0x00,0x00,0x0E ;/* max bit rate bits/s */
.db 0x00,0x00,0x18,0x00 ;/* Maximum video or still frame size in bytes */
.db 0x2A,0x2C,0x0A,0x00 ;/* Default frame interval */
.db 0x01 ;/* Frame interval type : No of discrete intervals */
.db 0x2A,0x2C,0x0A,0x00 ;/* Frame interval 1 */
;/* Class specific VS frame descriptor */ 2
.db 0x1E ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS I/f Type */
.db 0x07 ;/* Descriptor subtype : VS_FRAME_MJPEG */
.db 0x02 ;/* Frame descriptor index */
.db 0x02 ;/* Still image capture method not supported */
.db 0x00,0x05 ;/* Width of the frame : 1280 */
.db 0xD0,0x02 ;/* Height of the frame : 720 */
.db 0x00,0x00,0x00,0x0E ;/* Min bit rate bits/s */
.db 0x00,0x00,0x00,0x0E ;/* max bit rate bits/s */
.db 0x00,0x20,0x1C,0x00 ;/* Maximum video or still frame size in bytes */
.db 0x2A,0x2C,0x0A,0x00 ;/* Default frame interval */
.db 0x01 ;/* Frame interval type : No of discrete intervals */
.db 0x2A,0x2C,0x0A,0x00 ;/* Frame interval 1 */
; VS Color Matching Descriptor Descriptor
.db 0x06 ; (6 bytes)
.db 0x24 ; (Video Streaming Interface)
.db 0x0D ; (Color Matching)
.db 0x01 ; (BT.709, sRGB)
.db 0x01 ; (BT.709)
.db 0x04 ; (SMPTE 170M)
;;;;;;;;;;;;;;;;;;;; YUY2 ;;;;;;;;;;;;;;;;;;;;;;;;
;/* Class specific VS format descriptor */
.db 0x1B ; /* Descriptor size */
.db 0x24 ; /* Class-specific VS I/f Type */
.db 0x04 ; /* Subtype : uncompressed format I/F */
.db 0x02 ; /* Format descriptor index (only one format is supported) */
.db 0x02 ; /* number of frame descriptor followed */
.db 0x59,0x55,0x59,0x32 ; /* GUID, globally unique identifier used to identify streaming-encoding format: YUY2 */
.db 0x00,0x00,0x10,0x00
.db 0x80,0x00,0x00,0xAA
.db 0x00,0x38,0x9B,0x71
.db 0x10 ;/* Number of bits per pixel used to specify color in the decoded video frame. 0 if not applicable: 10 bit per pixel */
.db 0x01 ;/* Optimum Frame Index for this stream: 1 */
.db 0x00 ;/* X dimension of the picture aspect ratio: Non-interlaced in progressive scan */
.db 0x00 ;/* Y dimension of the picture aspect ratio: Non-interlaced in progressive scan*/
.db 0x00 ;/* Interlace Flags: Progressive scanning, no interlace */
.db 0x00 ;/* duplication of the video stream restriction: 0 - no restriction */
; Frame descriptors 1
.db 0x1E ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS I/f Type */
.db 0x05 ;/* Descriptor subtype uncompressed frame I/F */
.db 0x01 ;/* Frame descriptor index */
.db 0x02 ;/* Still image capture method not supported */
.db 0x00,0x04 ;/* Width of the frame : 1024 */
.db 0x00,0x03 ;/* Height of the frame : 768 */
.db 0x00,0x00,0x00,0x0E ;/* Min bit rate bits/s */
.db 0x00,0x00,0x00,0x0E ;/* max bit rate bits/s */
.db 0x00,0x00,0x18,0x00 ;/* Maximum video or still frame size in bytes */
.db 0x54,0x58,0x14,0x00 ;/* Default frame interval */
.db 0x01 ;/* Frame interval type : No of discrete intervals */
.db 0x54,0x58,0x14,0x00 ;/* Frame interval 3 */
; Frame descriptors 2
.db 0x1E ;/* Descriptor size */
.db 0x24 ;/* Class-specific VS I/f Type */
.db 0x05 ;/* Descriptor subtype uncompressed frame I/F */
.db 0x02 ;/* Frame descriptor index */
.db 0x02 ;/* Still image capture method not supported */
.db 0x00,0x05 ;/* Width of the frame : 1280 */
.db 0xD0,0x02 ;/* Height of the frame : 720 */
.db 0x00,0x00,0x00,0x0E ;/* Min bit rate bits/s */
.db 0x00,0x00,0x00,0x0E ;/* max bit rate bits/s */
.db 0x00,0x20,0x1C,0x00 ;/* Maximum video or still frame size in bytes */
.db 0x54,0x58,0x14,0x00 ;/* Default frame interval */
.db 0x01 ;/* Frame interval type : No of discrete intervals */
.db 0x54,0x58,0x14,0x00 ;/* Frame interval 3 */
; VS Color Matching Descriptor Descriptor
.db 0x06 ; (6 bytes)
.db 0x24 ; (Video Streaming Interface)
.db 0x0D ; (Color Matching)
.db 0x01 ; (BT.709, sRGB)
.db 0x01 ; (BT.709)
.db 0x04 ; (SMPTE 170M)
vsheaderend:
;/* Standard video streaming interface descriptor (alternate setting 1) */
.db 0x09 ;/* Descriptor size */
.db DSCR_INTERFACE_TYPE ;/* Interface descriptor type */
.db 0x01 ;/* Interface number */
.db 0x01 ;/* Alternate setting number */
.db 0x01 ;/* Number of end points */
.db 0x0E ;/* Interface class : CC_VIDEO */
.db 0x02 ;/* Interface sub class : CC_VIDEOSTREAMING */
.db 0x00 ;/* Interface protocol code : undefined */
.db 0x00 ;/* Interface descriptor string index */
;/* Endpoint descriptor for streaming video data */
;; EP6 Descriptor
.db 0x07 ;/* Descriptor size */
.db DSCR_ENDPOINT_TYPE ;/* Endpoint descriptor type */
.db 0x86 ;/* Endpoint address and description */
.db ENDPOINT_TYPE_ISO ;/* Bulk Endpoint */
.db 0x00
.db 0x04 ;/* 1024 Bytes Maximum Packet Size. */
.db 0x01 ;/* Servicing interval for data transfers */
;;;;;;;;;;;;;;;;;;;;;;;;;; CDC ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.db 0x08 ; 0 bLength 1 Descriptor size in bytes (08h)
.db 0x0B ; 1 bDescriptorType 1 The constant Interface Association (0Bh)
.db 0x02 ; 2 bFirstInterface 1 Number identifying the first interface associated with the function
.db 0x02 ; 3 bInterfaceCount 1 The number of contiguous interfaces associated with the function
.db 0x02 ; 4 bFunctionClass 1 Class code
.db 0x00 ; 5 bFunctionSubClass 1 Subclass code
.db 0x01 ; 6 bFunctionProtocol 1 Protocol code
.db 0x01 ; 8 iFunction 1 Index of string descriptor for the function
.db DSCR_INTERFACE_LEN ; Descriptor length
.db DSCR_INTERFACE_TYPE ; Descriptor type
.db 0x02 ; Zero-based index of this interface
.db 0x00 ; Alternate setting
.db 0x01 ; Number of end points
.db 0x02 ; Interface class
.db 0x02 ; Interface sub class
.db 0x01 ; Interface protocol code class
.db 0x01 ; Interface descriptor string index
;; Header Functional Descriptor
.db 0x05 ; Descriptor Size in Bytes (5)
.db 0x24 ; CS_Interface
.db 0x00 ; Header Functional Descriptor
.dw 0x1001 ; bcdCDC
;; Union Functional Descriptor
.db 0x05 ; Descriptor Size in Bytes (5)
.db 0x24 ; CS_Interface
.db 0x06 ; Union Functional Descriptor
.db 0x02 ; bMasterInterface
.db 0x03 ; bSlaveInterface0
;; CM Functional Descriptor
.db 0x05 ; Descriptor Size in Bytes (5)
.db 0x24 ; CS_Interface
.db 0x01 ; CM Functional Descriptor
.db 0x00 ; bmCapabilities
; .db 0x03 ; bmCapabilities
.db 0x03 ; bDataInterface
;; ACM Functional Descriptor
.db 0x04 ; Descriptor Size in Bytes (5)
.db 0x24 ; CS_Interface
.db 0x02 ; Abstarct Control Management Functional Desc
.db 0x02 ; bmCapabilities
; .db 0x07 ; bmCapabilities
;; EP1 Descriptor
.db DSCR_ENDPOINT_LEN ; Descriptor length
.db DSCR_ENDPOINT_TYPE ; Descriptor type
.db 0x81 ; Endpoint number, and direction
.db ENDPOINT_TYPE_INT ; Endpoint type
.db 0x10 ; Maximum packet size (LSB)
.db 0x00 ; Max packet size (MSB)
.db 0x40 ; Polling interval
;; Virtual COM Port Data Interface Descriptor
.db DSCR_INTERFACE_LEN ; Descriptor length
.db DSCR_INTERFACE_TYPE ; Descriptor type
.db 3 ; Zero-based index of this interface
.db 0 ; Alternate setting
.db 2 ; Number of end points
.db 0x0A ; Interface class
.db 0x00 ; Interface sub class
.db 0x00 ; Interface protocol code class
.db 1 ; Interface descriptor string index
;; EP2OUT Descriptor
.db DSCR_ENDPOINT_LEN ; Descriptor length
.db DSCR_ENDPOINT_TYPE ; Descriptor type
.db 0x02 ; Endpoint number, and direction
.db ENDPOINT_TYPE_BULK ; Endpoint type
.db 0x00 ; Maximum packet size (LSB)
.db 0x02 ; Max packet size (MSB)
.db 0x00 ; Polling interval
;; EP4 Descriptor
.db DSCR_ENDPOINT_LEN ; Descriptor length
.db DSCR_ENDPOINT_TYPE ; Descriptor type
.db 0x84 ; Endpoint number, and direction
.db ENDPOINT_TYPE_BULK ; Endpoint type
.db 0x00 ; Maximum packet size (LSB)
.db 0x02 ; Max packet size (MSB)
.db 0x00 ; Polling interval
highspd_dscr_realend:
_dev_qual_dscr:
.db 0xF9 ; dev_qualdscr_end-_dev_qual_dscr ; 0 bLength 1 Descriptor size in bytes (0Ah)
.db DSCR_DEVQUAL_TYPE ; 1 bDescriptorType 1 The constant DEVICE_QUALIFIER (06h)
.dw 0x0002 ; 2 bcdUSB 2 USB specification release number (BCD)
.db 0xEF ; 4 bDeviceClass 1 Class code (Defined at Interface level)
.db 0x02 ; 5 bDeviceSubclass 1 Subclass code (Defined at Interface level)
.db 0x01 ; 6 bDeviceProtocol 1 Protocol Code (Defined at Interface level)
.db 64 ; 7 bMaxPacketSize0 1 Maximum packet size for endpoint zero
.db 1 ; 8 bNumConfigurations 1 Number of possible configurations
.db 0 ; 9 Reserved 1 For future use
dev_qualdscr_end:
.even
_fullspd_dscr:
.db 0x00 ;; pad
fullspd_dscr_end:
fullspd_dscr_realend:
.even
_dev_strings:
string0:
.db string0end-string0 ; String descriptor length
.db DSCR_STRING_TYPE
.db 0x09, 0x04 ; 0x0409 is the language code for English.
string0end:
; Manufacture
string1:
.db string1end-string1 ; String descriptor length
.db DSCR_STRING_TYPE
.db 'T',00
.db 'i',00
.db 'm',00
.db 'V',00
.db 'i',00
.db 'd',00
.db 'e',00
.db 'o',00
.db 's',00
.db '.',00
.db 'u',00
.db 's',00
string1end:
; Product
string2:
.db string2end-string2 ; String descriptor length
.db DSCR_STRING_TYPE
.db 'H', 00
.db 'D', 00
.db 'M', 00
.db 'I', 00
.db '2', 00
.db 'U', 00
.db 'S', 00
.db 'B', 00
.db '.', 00
.db 't', 00
.db 'v', 00
.db ' ', 00
.db '-', 00
.db ' ', 00
.db 'N', 00
.db 'u', 00
.db 'm', 00
.db 'a', 00
.db 't', 00
.db 'o', 00
.db ' ', 00
.db 'O', 00
.db 'p', 00
.db 's', 00
.db 'i', 00
.db 's', 00
.db ' ', 00
.db 'B', 00
.db 'o', 00
.db 'a', 00
.db 'r', 00
.db 'd', 00
string2end:
; Serial Number
_string3:
.db string3end-_string3
.db DSCR_STRING_TYPE
_dev_serial:
.ascii '0'
.db 0
.ascii '1'
.db 0
.ascii '2'
.db 0
.ascii '3'
.db 0
.ascii '4'
.db 0
.ascii '5'
.db 0
.ascii '6'
.db 0
.ascii '7'
.db 0
.ascii '8'
.db 0
.ascii '9'
.db 0
.ascii 'a'
.db 0
.ascii 'b'
.db 0
.ascii 'c'
.db 0
.ascii 'd'
.db 0
.ascii 'e'
.db 0
.ascii 'f'
.db 0
string3end:
_dev_strings_end:
.dw 0x0000 ; in case you wanted to look at memory between _dev_strings and _dev_strings_end