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/* -*- 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 <libusb-1.0/libusb.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 libusb_device *
_get_usb_device (struct libusb_device_handle *udh)
{
return libusb_get_device (udh);
}
struct libusb_device_descriptor
_get_usb_device_descriptor(struct libusb_device *q)
{
int ret;
struct libusb_device_descriptor desc;
if ((ret = libusb_get_device_descriptor(q, &desc)) < 0)
fprintf (stderr, "usrp: libusb_get_device_descriptor failed %d\n", ret);
return desc;
}
int
_get_usb_string_descriptor (struct libusb_device_handle *udh, int index,
unsigned char* data, int length)
{
return libusb_get_string_descriptor_ascii (udh, (uint8_t) index, data, length);
}
int
_usb_control_transfer (struct libusb_device_handle *udh, int request_type,
int request, int value, int index,
unsigned char *data, int length, unsigned int timeout)
{
return libusb_control_transfer (udh, request_type, request, value, index,
data, length, timeout);
}
// ----------------------------------------------------------------
void
usrp_one_time_init (libusb_context **ctx)
{
int ret;
if ((ret = libusb_init (ctx)) < 0)
fprintf (stderr, "usrp: libusb_init failed %i\n", ret);
}
void
usrp_rescan ()
{
// nop
}
struct libusb_device *
usrp_find_device (int nth, bool fx2_ok_p, libusb_context *ctx)
{
libusb_device **list;
struct libusb_device *q;
int n_found = 0;
// Make sure not operating on default context. There are cases where operating
// with a single global (NULL) context may be preferable, so this check can be
// skipped if you know what you're doing.
assert (ctx != NULL);
size_t cnt = libusb_get_device_list(ctx, &list);
size_t i = 0;
if (cnt < 0)
fprintf(stderr, "usrp: libusb_get_device_list failed %d\n", cnt);
for (i = 0; i < cnt; i++) {
q = list[i];
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
}
}
// The list needs to be freed. Right now just release it if nothing is found.
libusb_free_device_list(list, 1);
return 0; // not found
}
struct libusb_device_handle *
usrp_open_interface (libusb_device *dev, int interface, int altinterface)
{
libusb_device_handle *udh;
int ret;
if (libusb_open (dev, &udh) < 0)
return 0;
if (dev != libusb_get_device (udh)){
fprintf (stderr, "%s:%d: internal error!\n", __FILE__, __LINE__);
abort ();
}
if ((ret = libusb_claim_interface (udh, interface)) < 0) {
fprintf (stderr, "%s:usb_claim_interface: failed interface %d\n", __FUNCTION__,interface);
fprintf (stderr, "%d\n", ret);
libusb_close (udh);
return 0;
}
if ((ret = libusb_set_interface_alt_setting (udh, interface,
altinterface)) < 0) {
fprintf (stderr, "%s:usb_set_alt_interface: failed\n", __FUNCTION__);
fprintf (stderr, "%d\n", ret);
libusb_release_interface (udh, interface);
libusb_close (udh);
return 0;
}
return udh;
}
bool
usrp_close_interface (libusb_device_handle *udh)
{
// returns void
libusb_close(udh);
return 0;
}
// ----------------------------------------------------------------
// write vendor extension command to USRP
int
write_cmd (struct libusb_device_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 = libusb_control_transfer(udh, requesttype, request, value, index,
(unsigned char *) bytes, len, 1000);
if (r < 0){
// we get EPIPE if the firmware stalls the endpoint.
if (r != LIBUSB_ERROR_PIPE) {
fprintf (stderr, "libusb_control_transfer failed: %i\n", r);
}
}
return r;
}
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