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
|
/* -*- c++ -*- */
/*
* Copyright 2003,2004,2006,2009 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "usrp_primsi.h"
#include "usrp_commands.h"
#include <usb.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <ad9862.h>
#include <assert.h>
extern "C" {
#include "md5.h"
};
using namespace ad9862;
/*
* libusb 0.12 / 1.0 compatibility
*/
struct usb_device *
_get_usb_device (struct usb_dev_handle *udh)
{
return usb_device (udh);
}
struct usb_device_descriptor
_get_usb_device_descriptor (struct usb_device *q)
{
return q->descriptor;
}
int
_get_usb_string_descriptor (struct usb_dev_handle *udh, int index,
unsigned char* data, int length)
{
int ret;
ret = usb_get_string_simple (udh, index, (char*) data, length);
if (ret < 0) {
fprintf (stderr, "usrp: usb_get_string_descriptor failed: %s\n",
usb_strerror());
}
return ret;
}
int
_usb_control_transfer (struct usb_dev_handle *udh, int request_type,
int request, int value, int index,
unsigned char *data, int length, unsigned int timeout)
{
int ret;
ret = usb_control_msg (udh, request_type,request, value, index,
(char*) data, length, (int) timeout);
if (ret < 0)
fprintf (stderr, "usrp: usb_claim_interface failed: %s\n", usb_strerror());
return ret;
}
// ----------------------------------------------------------------
void
usrp_one_time_init (libusb_context **ctx)
{
static bool first = true;
if (first) {
first = false;
usb_init (); // usb library init
usb_find_busses ();
usb_find_devices ();
}
}
void
usrp_deinit (libusb_context *ctx)
{
// nop
}
void
usrp_rescan ()
{
usb_find_busses ();
usb_find_devices ();
}
// ----------------------------------------------------------------
struct usb_device *
usrp_find_device (int nth, bool fx2_ok_p, libusb_context *ctx)
{
struct usb_bus *p;
struct usb_device *q;
int n_found = 0;
usrp_one_time_init ();
p = usb_get_busses();
while (p != NULL){
q = p->devices;
while (q != NULL){
if (usrp_usrp_p (q) || (fx2_ok_p && usrp_fx2_p (q))){
if (n_found == nth) // return this one
return q;
n_found++; // keep looking
}
q = q->next;
}
p = p->next;
}
return 0; // not found
}
struct usb_dev_handle *
usrp_open_interface (struct usb_device *dev, int interface, int altinterface)
{
struct usb_dev_handle *udh = usb_open (dev);
if (udh == 0)
return 0;
if (dev != usb_device (udh)){
fprintf (stderr, "%s:%d: internal error!\n", __FILE__, __LINE__);
abort ();
}
#if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
// There's no get get_configuration function, and with some of the newer kernels
// setting the configuration, even if to the same value, hoses any other processes
// that have it open. Hence we opt to not set it at all (We've only
// got a single configuration anyway). This may hose the win32 stuff...
// Appears to be required for libusb-win32 and Cygwin -- dew 09/20/06
if (usb_set_configuration (udh, 1) < 0){
/*
* Ignore this error.
*
* Seems that something changed in drivers/usb/core/devio.c:proc_setconfig such that
* it returns -EBUSY if _any_ of the interfaces of a device are open.
* We've only got a single configuration, so setting it doesn't even seem
* like it should be required.
*/
}
#endif
if (usb_claim_interface (udh, interface) < 0){
fprintf (stderr, "%s:usb_claim_interface: failed interface %d\n", __FUNCTION__,interface);
fprintf (stderr, "%s\n", usb_strerror());
usb_close (udh);
return 0;
}
if (usb_set_altinterface (udh, altinterface) < 0){
fprintf (stderr, "%s:usb_set_alt_interface: failed\n", __FUNCTION__);
fprintf (stderr, "%s\n", usb_strerror());
usb_release_interface (udh, interface);
usb_close (udh);
return 0;
}
return udh;
}
bool
usrp_close_interface (struct usb_dev_handle *udh)
{
// we're assuming that closing an interface automatically releases it.
return usb_close (udh) == 0;
}
// ----------------------------------------------------------------
// write vendor extension command to USRP
int
write_cmd (struct usb_dev_handle *udh,
int request, int value, int index,
unsigned char *bytes, int len)
{
int requesttype = (request & 0x80) ? VRT_VENDOR_IN : VRT_VENDOR_OUT;
int r = usb_control_msg (udh, requesttype, request, value, index,
(char *) bytes, len, 1000);
if (r < 0){
// we get EPIPE if the firmware stalls the endpoint.
if (errno != EPIPE) {
fprintf (stderr, "usb_control_msg failed: %s\n", usb_strerror ());
fprintf (stderr, "write_cmd failed\n");
}
}
return r;
}
|
