/* -*- 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,
#include "config.h"
#endif
-#include "usrp/usrp_prims.h"
+#include "usrp_primsi.h"
#include "usrp_commands.h"
-#include "usrp_ids.h"
-#include "usrp_i2c_addr.h"
-#include "fpga_regs_common.h"
-#include "fpga_regs_standard.h"
#include <libusb-1.0/libusb.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include <time.h> // FIXME should check with autoconf (nanosleep)
-#include <algorithm>
#include <ad9862.h>
#include <assert.h>
-#include "std_paths.h"
extern "C" {
#include "md5.h"
using namespace ad9862;
+static const int LIBUSB1_DEBUG = 0;
+
/*
* libusb 0.12 / 1.0 compatibility
*/
+static const char *
+_get_usb_error_str (int usb_err)
+{
+ switch (usb_err) {
+ case LIBUSB_SUCCESS:
+ return "Success (no error)";
+ case LIBUSB_ERROR_IO:
+ return "Input/output error";
+ case LIBUSB_ERROR_INVALID_PARAM:
+ return "Invalid parameter";
+ case LIBUSB_ERROR_ACCESS:
+ return "Access denied (insufficient permissions)";
+ case LIBUSB_ERROR_NO_DEVICE:
+ return "No such device (it may have been disconnected)";
+ case LIBUSB_ERROR_NOT_FOUND:
+ return "Entity not found";
+ case LIBUSB_ERROR_BUSY:
+ return "Resource busy";
+ case LIBUSB_ERROR_TIMEOUT:
+ return "Operation timed out";
+ case LIBUSB_ERROR_OVERFLOW:
+ return "Overflow";
+ case LIBUSB_ERROR_PIPE:
+ return "Pipe error";
+ case LIBUSB_ERROR_INTERRUPTED:
+ return "System call interrupted (perhaps due to signal)";
+ case LIBUSB_ERROR_NO_MEM:
+ return "Insufficient memory";
+ case LIBUSB_ERROR_NOT_SUPPORTED:
+ return "Operation not supported or unimplemented on this platform";
+ case LIBUSB_ERROR_OTHER:
+ return "Unknown error";
+ }
+
+ return "Unknown error";
+}
+
struct libusb_device *
_get_usb_device (struct libusb_device_handle *udh)
{
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);
+ ret = libusb_get_device_descriptor(q, &desc);
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_get_device_descriptor failed: %s\n",
+ _get_usb_error_str(ret));
+ }
return desc;
}
int
_get_usb_string_descriptor (struct libusb_device_handle *udh, int index,
- unsigned char* data, int length)
+ unsigned char* data, int length)
{
- return libusb_get_string_descriptor_ascii (udh, (uint8_t) index, data, length);
+ int ret;
+ ret = libusb_get_string_descriptor_ascii (udh, (uint8_t) index, data, length);
+
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_get_string_descriptor_ascii failed: %s\n",
+ _get_usb_error_str(ret));
+ }
+ return ret;
}
int
-_usb_control_transfer (struct libusb_dev_handle *udh, int request_type,
- int request, int value, int index,
- unsigned char *data, int length, unsigned int timeout)
+_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);
+ int ret;
+ ret = libusb_control_transfer (udh, request_type, request, value, index,
+ data, length, timeout);
+ if (ret < 0) {
+ fprintf (stderr, "usrp: libusb_control_transfer failed: %s\n",
+ _get_usb_error_str(ret));
+ }
+ return ret;
}
int ret;
if ((ret = libusb_init (ctx)) < 0)
- fprintf (stderr, "usrp: libusb_init failed %i\n", ret);
+ fprintf (stderr, "usrp: libusb_init failed: %s\n", _get_usb_error_str(ret));
+
+ // Enable debug verbosity if requested. This will only work if the debug
+ // option is compiled into libusb and may produce a generous amount of output
+ // on stdout. If debug output is not compiled into libusb, this call does
+ // nothing.
+ if (LIBUSB1_DEBUG)
+ libusb_set_debug(*ctx, 3);
+}
+
+void
+usrp_deinit (struct libusb_context *ctx)
+{
+ // Each object _should_ be running in its own context. If running in default
+ // context then leave the instance open as it may be shared.
+ if (ctx != NULL)
+ libusb_exit (ctx);
}
void
// nop
}
-
struct libusb_device *
usrp_find_device (int nth, bool fx2_ok_p, libusb_context *ctx)
{
size_t i = 0;
if (cnt < 0)
- fprintf(stderr, "usrp: libusb_get_device_list failed %d\n", cnt);
+ fprintf(stderr, "usrp: libusb_get_device_list failed: %s\n",
+ _get_usb_error_str(cnt));
for (i = 0; i < cnt; i++) {
q = list[i];
}
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);
+ fprintf (stderr, "%s:usb_claim_interface: failed interface %d\n",
+ __FUNCTION__, interface);
+ fprintf (stderr, "%s\n", _get_usb_error_str(ret));
libusb_close (udh);
return 0;
}
if ((ret = libusb_set_interface_alt_setting (udh, interface,
- altinterface)) < 0) {
+ altinterface)) < 0) {
fprintf (stderr, "%s:usb_set_alt_interface: failed\n", __FUNCTION__);
- fprintf (stderr, "%d\n", ret);
+ fprintf (stderr, "%s\n", _get_usb_error_str(ret));
libusb_release_interface (udh, interface);
libusb_close (udh);
return 0;
int request, int value, int index,
unsigned char *bytes, int len)
{
- int requesttype = (request & 0x80) ? VRT_VENDOR_IN : VRT_VENDOR_OUT;
+ 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);
+ int ret = libusb_control_transfer(udh, requesttype, request, value, index,
+ bytes, len, 1000);
- if (r < 0){
+ if (ret < 0) {
// we get EPIPE if the firmware stalls the endpoint.
- if (r != LIBUSB_ERROR_PIPE) {
- fprintf (stderr, "libusb_control_transfer failed: %i\n", r);
+ if (ret != LIBUSB_ERROR_PIPE) {
+ fprintf (stderr, "usrp: libusb_control_transfer failed: %s\n",
+ _get_usb_error_str(ret));
+ fprintf (stderr, "usrp: write_cmd failed\n");
}
}
- return r;
+ return ret;
}