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1 | ;; | |
2 | ;; This file is part of the sigrok-firmware-fx2lafw project. | |
3 | ;; | |
4 | ;; Copyright (C) 2011-2012 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | ;; Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
6 | ;; | |
7 | ;; This program is free software; you can redistribute it and/or modify | |
8 | ;; it under the terms of the GNU General Public License as published by | |
9 | ;; the Free Software Foundation; either version 2 of the License, or | |
10 | ;; (at your option) any later version. | |
11 | ;; | |
12 | ;; This program is distributed in the hope that it will be useful, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public License for more details. | |
16 | ;; | |
17 | ;; You should have received a copy of the GNU General Public License | |
18 | ;; along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | ;; | |
20 | ||
21 | .include "common.inc" | |
22 | ||
23 | .module DEV_DSCR | |
24 | ||
25 | ; Descriptor types | |
26 | DSCR_DEVICE_TYPE = 1 | |
27 | DSCR_CONFIG_TYPE = 2 | |
28 | DSCR_STRING_TYPE = 3 | |
29 | DSCR_INTERFACE_TYPE = 4 | |
30 | DSCR_ENDPOINT_TYPE = 5 | |
31 | DSCR_DEVQUAL_TYPE = 6 | |
32 | ||
33 | ; Descriptor lengths | |
34 | DSCR_INTERFACE_LEN = 9 | |
35 | DSCR_ENDPOINT_LEN = 7 | |
36 | ||
37 | ; Endpoint types | |
38 | ENDPOINT_TYPE_CONTROL = 0 | |
39 | ENDPOINT_TYPE_ISO = 1 | |
40 | ENDPOINT_TYPE_BULK = 2 | |
41 | ENDPOINT_TYPE_INT = 3 | |
42 | ||
43 | .globl _dev_dscr, _dev_qual_dscr, _highspd_dscr, _fullspd_dscr, _dev_strings, _dev_strings_end | |
44 | .area DSCR_AREA (CODE) | |
45 | ||
46 | ; ----------------------------------------------------------------------------- | |
47 | ; Device descriptor | |
48 | ; ----------------------------------------------------------------------------- | |
49 | _dev_dscr: | |
50 | .db dev_dscr_end - _dev_dscr | |
51 | .db DSCR_DEVICE_TYPE | |
52 | .dw 0x0002 ; USB 2.0 | |
53 | .db 0xff ; Class (vendor specific) | |
54 | .db 0xff ; Subclass (vendor specific) | |
55 | .db 0xff ; Protocol (vendor specific) | |
56 | .db 64 ; Max. EP0 packet size | |
57 | .dw VID ; Manufacturer ID | |
58 | .dw PID ; Product ID | |
59 | .dw 0x0100 ; Product version (0.01) | |
60 | .db 1 ; Manufacturer string index | |
61 | .db 2 ; Product string index | |
62 | .db 3 ; Serial number string index (none) | |
63 | .db 1 ; Number of configurations | |
64 | dev_dscr_end: | |
65 | ||
66 | ; ----------------------------------------------------------------------------- | |
67 | ; Device qualifier (for "other device speed") | |
68 | ; ----------------------------------------------------------------------------- | |
69 | _dev_qual_dscr: | |
70 | .db dev_qualdscr_end - _dev_qual_dscr | |
71 | .db DSCR_DEVQUAL_TYPE | |
72 | .dw 0x0002 ; USB 2.0 | |
73 | .db 0xff ; Class (vendor specific) | |
74 | .db 0xff ; Subclass (vendor specific) | |
75 | .db 0xff ; Protocol (vendor specific) | |
76 | .db 64 ; Max. EP0 packet size | |
77 | .db 1 ; Number of configurations | |
78 | .db 0 ; Extra reserved byte | |
79 | dev_qualdscr_end: | |
80 | ||
81 | ; ----------------------------------------------------------------------------- | |
82 | ; High-Speed configuration descriptor | |
83 | ; ----------------------------------------------------------------------------- | |
84 | _highspd_dscr: | |
85 | .db highspd_dscr_end - _highspd_dscr | |
86 | .db DSCR_CONFIG_TYPE | |
87 | ; Total length of the configuration (1st line LSB, 2nd line MSB) | |
88 | .db (highspd_dscr_realend - _highspd_dscr) % 256 | |
89 | .db (highspd_dscr_realend - _highspd_dscr) / 256 | |
90 | .db 1 ; Number of interfaces | |
91 | .db 1 ; Configuration number | |
92 | .db 0 ; Configuration string (none) | |
93 | .db 0x80 ; Attributes (bus powered, no wakeup) | |
94 | .db 0x32 ; Max. power (100mA) | |
95 | highspd_dscr_end: | |
96 | ||
97 | ; Interfaces (only one in our case) | |
98 | .db DSCR_INTERFACE_LEN | |
99 | .db DSCR_INTERFACE_TYPE | |
100 | .db 0 ; Interface index | |
101 | .db 0 ; Alternate setting index | |
102 | .db 1 ; Number of endpoints | |
103 | .db 0xff ; Class (vendor specific) | |
104 | .db 0xff ; Subclass (vendor specific) | |
105 | .db 0xff ; Protocol (vendor specific) | |
106 | .db 0 ; String index (none) | |
107 | ||
108 | ; Endpoint 2 (IN) | |
109 | .db DSCR_ENDPOINT_LEN | |
110 | .db DSCR_ENDPOINT_TYPE | |
111 | .db 0x82 ; EP number (2), direction (IN) | |
112 | .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk) | |
113 | .db 0x00 ; Max. packet size, LSB (512 bytes) | |
114 | .db 0x02 ; Max. packet size, MSB (512 bytes) | |
115 | .db 0x00 ; Polling interval (ignored for bulk) | |
116 | ||
117 | highspd_dscr_realend: | |
118 | ||
119 | .even | |
120 | ||
121 | ; ----------------------------------------------------------------------------- | |
122 | ; Full-Speed configuration descriptor | |
123 | ; ----------------------------------------------------------------------------- | |
124 | _fullspd_dscr: | |
125 | .db fullspd_dscr_end - _fullspd_dscr | |
126 | .db DSCR_CONFIG_TYPE | |
127 | ; Total length of the configuration (1st line LSB, 2nd line MSB) | |
128 | .db (fullspd_dscr_realend - _fullspd_dscr) % 256 | |
129 | .db (fullspd_dscr_realend - _fullspd_dscr) / 256 | |
130 | .db 1 ; Number of interfaces | |
131 | .db 1 ; Configuration number | |
132 | .db 0 ; Configuration string (none) | |
133 | .db 0x80 ; Attributes (bus powered, no wakeup) | |
134 | .db 0x32 ; Max. power (100mA) | |
135 | fullspd_dscr_end: | |
136 | ||
137 | ; Interfaces (only one in our case) | |
138 | .db DSCR_INTERFACE_LEN | |
139 | .db DSCR_INTERFACE_TYPE | |
140 | .db 0 ; Interface index | |
141 | .db 0 ; Alternate setting index | |
142 | .db 1 ; Number of endpoints | |
143 | .db 0xff ; Class (vendor specific) | |
144 | .db 0xff ; Subclass (vendor specific) | |
145 | .db 0xff ; Protocol (vendor specific) | |
146 | .db 0 ; String index (none) | |
147 | ||
148 | ; Endpoint 2 (IN) | |
149 | .db DSCR_ENDPOINT_LEN | |
150 | .db DSCR_ENDPOINT_TYPE | |
151 | .db 0x82 ; EP number (2), direction (IN) | |
152 | .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk) | |
153 | .db 0x40 ; Max. packet size, LSB (64 bytes) | |
154 | .db 0x00 ; Max. packet size, MSB (64 bytes) | |
155 | .db 0x00 ; Polling interval (ignored for bulk) | |
156 | ||
157 | fullspd_dscr_realend: | |
158 | ||
159 | .even | |
160 | ||
161 | ; ----------------------------------------------------------------------------- | |
162 | ; Strings | |
163 | ; ----------------------------------------------------------------------------- | |
164 | ||
165 | _dev_strings: | |
166 | ||
167 | ; See http://www.usb.org/developers/docs/USB_LANGIDs.pdf for the full list. | |
168 | string_descriptor_lang 0 0x0409 ; Language code 0x0409 (English, US) | |
169 | ||
170 | string_descriptor_a 1,^"sigrok" | |
171 | string_descriptor_a 2,^"fx2lafw" |