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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 <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_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;
}
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