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
|
/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 AUTHOR 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 AUTHOR 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.
*/
#ifndef _LIBUSB20_COMPAT_01_H_
#define _LIBUSB20_COMPAT_01_H_
#ifndef LIBUSB_GLOBAL_INCLUDE_FILE
#include <stdint.h>
#include <sys/param.h>
#include <sys/endian.h>
#endif
/* USB interface class codes */
#define USB_CLASS_PER_INTERFACE 0
#define USB_CLASS_AUDIO 1
#define USB_CLASS_COMM 2
#define USB_CLASS_HID 3
#define USB_CLASS_PRINTER 7
#define USB_CLASS_PTP 6
#define USB_CLASS_MASS_STORAGE 8
#define USB_CLASS_HUB 9
#define USB_CLASS_DATA 10
#define USB_CLASS_VENDOR_SPEC 0xff
/* USB descriptor types */
#define USB_DT_DEVICE 0x01
#define USB_DT_CONFIG 0x02
#define USB_DT_STRING 0x03
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
#define USB_DT_HID 0x21
#define USB_DT_REPORT 0x22
#define USB_DT_PHYSICAL 0x23
#define USB_DT_HUB 0x29
/* USB descriptor type sizes */
#define USB_DT_DEVICE_SIZE 18
#define USB_DT_CONFIG_SIZE 9
#define USB_DT_INTERFACE_SIZE 9
#define USB_DT_ENDPOINT_SIZE 7
#define USB_DT_ENDPOINT_AUDIO_SIZE 9
#define USB_DT_HUB_NONVAR_SIZE 7
/* USB descriptor header */
struct usb_descriptor_header {
uint8_t bLength;
uint8_t bDescriptorType;
};
/* USB string descriptor */
struct usb_string_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wData[1];
};
/* USB HID descriptor */
struct usb_hid_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID;
uint8_t bCountryCode;
uint8_t bNumDescriptors;
/* uint8_t bReportDescriptorType; */
/* uint16_t wDescriptorLength; */
/* ... */
};
/* USB endpoint descriptor */
#define USB_MAXENDPOINTS 32
struct usb_endpoint_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
#define USB_ENDPOINT_ADDRESS_MASK 0x0f
#define USB_ENDPOINT_DIR_MASK 0x80
uint8_t bmAttributes;
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 1
#define USB_ENDPOINT_TYPE_BULK 2
#define USB_ENDPOINT_TYPE_INTERRUPT 3
uint16_t wMaxPacketSize;
uint8_t bInterval;
uint8_t bRefresh;
uint8_t bSynchAddress;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
/* USB interface descriptor */
#define USB_MAXINTERFACES 32
struct usb_interface_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
struct usb_endpoint_descriptor *endpoint;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
#define USB_MAXALTSETTING 128 /* Hard limit */
struct usb_interface {
struct usb_interface_descriptor *altsetting;
int num_altsetting;
};
/* USB configuration descriptor */
#define USB_MAXCONFIG 8
struct usb_config_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t MaxPower;
struct usb_interface *interface;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
/* USB device descriptor */
struct usb_device_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
};
/* USB setup packet */
struct usb_ctrl_setup {
uint8_t bRequestType;
#define USB_RECIP_DEVICE 0x00
#define USB_RECIP_INTERFACE 0x01
#define USB_RECIP_ENDPOINT 0x02
#define USB_RECIP_OTHER 0x03
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)
#define USB_ENDPOINT_IN 0x80
#define USB_ENDPOINT_OUT 0x00
uint8_t bRequest;
#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03
#define USB_REQ_SET_ADDRESS 0x05
#define USB_REQ_GET_DESCRIPTOR 0x06
#define USB_REQ_SET_DESCRIPTOR 0x07
#define USB_REQ_GET_CONFIGURATION 0x08
#define USB_REQ_SET_CONFIGURATION 0x09
#define USB_REQ_GET_INTERFACE 0x0A
#define USB_REQ_SET_INTERFACE 0x0B
#define USB_REQ_SYNCH_FRAME 0x0C
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
};
/* Error codes */
#define USB_ERROR_BEGIN 500000
/* Byte swapping */
#define USB_LE16_TO_CPU(x) le16toh(x)
/* Data types */
struct usb_device;
struct usb_bus;
/*
* To maintain compatibility with applications already built with libusb,
* we must only add entries to the end of this structure. NEVER delete or
* move members and only change types if you really know what you're doing.
*/
struct usb_device {
struct usb_device *next;
struct usb_device *prev;
char filename[PATH_MAX + 1];
struct usb_bus *bus;
struct usb_device_descriptor descriptor;
struct usb_config_descriptor *config;
void *dev;
uint8_t devnum;
uint8_t num_children;
struct usb_device **children;
};
struct usb_bus {
struct usb_bus *next;
struct usb_bus *prev;
char dirname[PATH_MAX + 1];
struct usb_device *devices;
uint32_t location;
struct usb_device *root_dev;
};
struct usb_dev_handle;
typedef struct usb_dev_handle usb_dev_handle;
/* Variables */
extern struct usb_bus *usb_busses;
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* style */
#endif
/* Function prototypes from "libusb20_compat01.c" */
usb_dev_handle *usb_open(struct usb_device *dev);
int usb_close(usb_dev_handle * dev);
int usb_get_string(usb_dev_handle * dev, int index, int langid, char *buf, size_t buflen);
int usb_get_string_simple(usb_dev_handle * dev, int index, char *buf, size_t buflen);
int usb_get_descriptor_by_endpoint(usb_dev_handle * udev, int ep, uint8_t type, uint8_t index, void *buf, int size);
int usb_get_descriptor(usb_dev_handle * udev, uint8_t type, uint8_t index, void *buf, int size);
int usb_parse_descriptor(uint8_t *source, char *description, void *dest);
int usb_parse_configuration(struct usb_config_descriptor *config, uint8_t *buffer);
void usb_destroy_configuration(struct usb_device *dev);
void usb_fetch_and_parse_descriptors(usb_dev_handle * udev);
int usb_bulk_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_bulk_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_interrupt_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_interrupt_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_control_msg(usb_dev_handle * dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);
int usb_set_configuration(usb_dev_handle * dev, int configuration);
int usb_claim_interface(usb_dev_handle * dev, int interface);
int usb_release_interface(usb_dev_handle * dev, int interface);
int usb_set_altinterface(usb_dev_handle * dev, int alternate);
int usb_resetep(usb_dev_handle * dev, unsigned int ep);
int usb_clear_halt(usb_dev_handle * dev, unsigned int ep);
int usb_reset(usb_dev_handle * dev);
int usb_check_connected(usb_dev_handle * dev);
const char *usb_strerror(void);
void usb_init(void);
void usb_set_debug(int level);
int usb_find_busses(void);
int usb_find_devices(void);
struct usb_device *usb_device(usb_dev_handle * dev);
struct usb_bus *usb_get_busses(void);
int usb_get_driver_np(usb_dev_handle * dev, int interface, char *name, int namelen);
int usb_detach_kernel_driver_np(usb_dev_handle * dev, int interface);
#if 0
{ /* style */
#endif
#ifdef __cplusplus
}
#endif
#endif /* _LIBUSB20_COMPAT01_H_ */
|
