--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 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.
+ */
+
+/*
+ * The following code was taken from LIBUSB verion 0.1.10a,
+ * and makes the fusb_darwin codes do-able in the current GR
+ * programming framework. Parts and pieces were taken from
+ * usbi.h, darwin.c, and error.h .
+ *
+ * LIBUSB version 0.1.10a is covered by the LGPL, version 2;
+ * These codes are used with permission from:
+ * (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
+ * (c) 2002-2005 Nathan Hjelm <hjelmn@users.sourceforge.net>
+ * All rights reserved.
+ */
+
+#ifndef __DARWIN_LIBUSB_H__
+#define __DARWIN_LIBUSB_H__
+
+#include <IOKit/IOCFBundle.h>
+#include <IOKit/IOCFPlugIn.h>
+#include <IOKit/usb/IOUSBLib.h>
+#include <IOKit/IOKitLib.h>
+
+extern "C" {
+
+static const char* darwin_error_strings[] = {
+ "no error",
+ "device not opened for exclusive access",
+ "no connection to an IOService",
+ "no asyc port has been opened for interface",
+ "another process has device opened for exclusive access",
+ "pipe is stalled",
+ "could not establish a connection to Darin kernel",
+ "invalid argument",
+ "unknown error"
+};
+
+static const char *
+darwin_error_str (int result)
+{
+ switch (result) {
+ case kIOReturnSuccess:
+ return (darwin_error_strings[0]);
+ case kIOReturnNotOpen:
+ return (darwin_error_strings[1]);
+ case kIOReturnNoDevice:
+ return (darwin_error_strings[2]);
+ case kIOUSBNoAsyncPortErr:
+ return (darwin_error_strings[3]);
+ case kIOReturnExclusiveAccess:
+ return (darwin_error_strings[4]);
+ case kIOUSBPipeStalled:
+ return (darwin_error_strings[5]);
+ case kIOReturnError:
+ return (darwin_error_strings[6]);
+ case kIOReturnBadArgument:
+ return (darwin_error_strings[7]);
+ default:
+ return (darwin_error_strings[8]);
+ }
+}
+
+/* not a valid errorno outside darwin.c */
+#define LUSBDARWINSTALL (ELAST+1)
+
+static int
+darwin_to_errno (int result)
+{
+ switch (result) {
+ case kIOReturnSuccess:
+ return 0;
+ case kIOReturnNotOpen:
+ return EBADF;
+ case kIOReturnNoDevice:
+ case kIOUSBNoAsyncPortErr:
+ return ENXIO;
+ case kIOReturnExclusiveAccess:
+ return EBUSY;
+ case kIOUSBPipeStalled:
+ return LUSBDARWINSTALL;
+ case kIOReturnBadArgument:
+ return EINVAL;
+ case kIOReturnError:
+ default:
+ return 1;
+ }
+}
+
+typedef enum {
+ USB_ERROR_TYPE_NONE = 0,
+ USB_ERROR_TYPE_STRING,
+ USB_ERROR_TYPE_ERRNO,
+} usb_error_type_t;
+
+extern char usb_error_str[1024];
+extern int usb_error_errno;
+extern usb_error_type_t usb_error_type;
+
+#define USB_ERROR(r, x) \
+ do { \
+ usb_error_type = USB_ERROR_TYPE_ERRNO; \
+ usb_error_errno = x; \
+ return (r); \
+ } while (0)
+
+#define USB_ERROR_STR(r, x, format, args...) \
+ do { \
+ usb_error_type = USB_ERROR_TYPE_STRING; \
+ snprintf (usb_error_str, sizeof (usb_error_str) - 1, \
+ format, ## args); \
+ if (usb_debug) { \
+ std::cerr << "USB error: " << usb_error_str << std::cerr; \
+ } \
+ return (r); \
+ } while (0)
+
+#define USB_ERROR_STR_ORIG(x, format, args...) \
+ do { \
+ usb_error_type = USB_ERROR_TYPE_STRING; \
+ snprintf (usb_error_str, sizeof (usb_error_str) - 1, \
+ format, ## args); \
+ if (usb_debug) { \
+ std::cerr << "USB error: " << usb_error_str << std::endl; \
+ } \
+ return (x); \
+ } while (0)
+
+#define USB_ERROR_STR_NO_RET(x, format, args...) \
+ do { \
+ usb_error_type = USB_ERROR_TYPE_STRING; \
+ snprintf (usb_error_str, sizeof (usb_error_str) - 1, \
+ format, ## args); \
+ if (usb_debug) { \
+ std::cerr << "USB error: " << usb_error_str << std::endl; \
+ } \
+ } while (0)
+
+/*
+ * simple function that figures out what pipeRef
+ * is associated with an endpoint
+ */
+static int ep_to_pipeRef (darwin_dev_handle *device, int ep)
+{
+ io_return_t ret;
+ UInt8 numep, direction, number;
+ UInt8 dont_care1, dont_care3;
+ UInt16 dont_care2;
+ int i;
+
+ if (usb_debug > 3) {
+ std::cerr << "Converting ep address to pipeRef." << std::endl;
+ }
+
+ /* retrieve the total number of endpoints on this interface */
+ ret = (*(device->interface))->GetNumEndpoints(device->interface, &numep);
+ if ( ret ) {
+ if ( usb_debug > 3 ) {
+ std::cerr << "ep_to_pipeRef: interface is "
+ << device->interface << std::endl;
+ }
+ USB_ERROR_STR_ORIG ( -ret, "ep_to_pipeRef: can't get number of "
+ "endpoints for interface" );
+ }
+
+ /* iterate through the pipeRefs until we find the correct one */
+ for (i = 1 ; i <= numep ; i++) {
+ ret = (*(device->interface))->GetPipeProperties
+ (device->interface, i, &direction, &number,
+ &dont_care1, &dont_care2, &dont_care3);
+
+ if (ret != kIOReturnSuccess) {
+ std::cerr << "ep_to_pipeRef: an error occurred getting "
+ << "pipe information on pipe " << i << std::endl;
+
+ USB_ERROR_STR_ORIG (-darwin_to_errno(ret),
+ "ep_to_pipeRef(GetPipeProperties): %s",
+ darwin_error_str(ret));
+ }
+
+ if (usb_debug > 3) {
+ std::cerr << "ep_to_pipeRef: Pipe " << i << ": DIR: "
+ << direction << " number: " << number << std::endl;
+ }
+
+ /* calculate the endpoint of the pipe and check it versus
+ the requested endpoint */
+ if ( ((direction << 7 & USB_ENDPOINT_DIR_MASK) |
+ (number & USB_ENDPOINT_ADDRESS_MASK)) == ep ) {
+ if (usb_debug > 3) {
+ std::cerr << "ep_to_pipeRef: pipeRef for ep address "
+ << ep << " found: " << i << std::endl;
+ }
+ return (i);
+ }
+ }
+
+ if (usb_debug > 3) {
+ std::cerr << "ep_to_pipeRef: No pipeRef found with endpoint address "
+ << ep << std::endl;
+ }
+
+ /* none of the found pipes match the requested endpoint */
+ return (-1);
+}
+
+}
+#endif /* __DARWIN_LIBUSB_H__ */