/* -*- 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 #include #include #include #include #include #include #include #include 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) { return libusb_get_device (udh); } struct libusb_device_descriptor _get_usb_device_descriptor(struct libusb_device *q) { int ret; struct libusb_device_descriptor desc; 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) { 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_device_handle *udh, int request_type, int request, int value, int index, unsigned char *data, int length, unsigned int 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; } // ---------------------------------------------------------------- void usrp_one_time_init (libusb_context **ctx) { int ret; if ((ret = libusb_init (ctx)) < 0) 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 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: %s\n", _get_usb_error_str(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, "%s\n", _get_usb_error_str(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, "%s\n", _get_usb_error_str(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 ret = libusb_control_transfer(udh, requesttype, request, value, index, bytes, len, 1000); if (ret < 0) { // we get EPIPE if the firmware stalls the endpoint. 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 ret; }