1 files changed, 0 insertions, 258 deletions
diff --git a/usrp/host/lib/fusb_ra_wb.cc b/usrp/host/lib/fusb_ra_wb.cc
deleted file mode 100644
index 699a34b395..0000000000
--- a/usrp/host/lib/fusb_ra_wb.cc
+++ /dev/null
@@ -1,258 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003,2006 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 <fusb_ra_wb.h>
-#include <usb.h>
-
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#include <sys/event.h>
-#include <dev/usb/usb.h>
-
-static const int USB_TIMEOUT = 1000;	// in milliseconds
-
-// the following comment and function is from fusb_linux.cc
-#if 0
-// Totally evil and fragile extraction of file descriptor from
-// guts of libusb.  They don't install usbi.h, which is what we'd need
-// to do this nicely.
-//
-// FIXME if everything breaks someday in the future, look here...
-
-static int
-fd_from_usb_dev_handle (usb_dev_handle *udh)
-{
-  return *((int *) udh);
-}
-#endif
-
-// the control endpoint doesn't actually do us any good so here is a
-// new "fragile extraction"
-static int
-ep_fd_from_usb_dev_handle (usb_dev_handle *udh, int endpoint)
-{
-  struct usb_dev_handle_kludge2 { // see also usrp_prims.cc
-    int			 fd;
-    struct usb_bus	*bus;
-    struct usb_device	*device;
-    int			 config;
-    int			 interface;
-    int			 altsetting;
-    void		*impl_info;
-  };
-  struct bsd_usb_dev_handle_info_kludge {
-    int			 ep_fd[USB_MAX_ENDPOINTS];
-  };
-  struct bsd_usb_dev_handle_info_kludge *info
-      = (struct bsd_usb_dev_handle_info_kludge *)
-           ((struct usb_dev_handle_kludge2 *)udh)->impl_info;
-  return info->ep_fd[UE_GET_ADDR(endpoint)];
-}
-
-
-fusb_devhandle_ra_wb::fusb_devhandle_ra_wb (usb_dev_handle *udh)
-  : fusb_devhandle (udh)
-{
-  // that's it
-}
-
-fusb_devhandle_ra_wb::~fusb_devhandle_ra_wb ()
-{
-  // nop
-}
-
-fusb_ephandle *
-fusb_devhandle_ra_wb::make_ephandle (int endpoint, bool input_p,
-				     int block_size, int nblocks)
-{
-  return new fusb_ephandle_ra_wb (this, endpoint, input_p,
-				  block_size, nblocks);
-}
-
-// ----------------------------------------------------------------
-
-fusb_ephandle_ra_wb::fusb_ephandle_ra_wb (fusb_devhandle_ra_wb *dh,
-					  int endpoint, bool input_p,
-					  int block_size, int nblocks)
-  : fusb_ephandle (endpoint, input_p, block_size, nblocks),
-    d_devhandle (dh), d_ra_wb_on (false)
-{
-  // that's it 
-}
-
-fusb_ephandle_ra_wb::~fusb_ephandle_ra_wb ()
-{
-  // nop
-}
-
-bool
-fusb_ephandle_ra_wb::start ()
-{
-  d_started = true;
-
-  char buf = '\0';
-  int fd;
-
-  // this is to cause libusb to open the endpoint
-  if (!d_input_p) {
-    write(&buf, 0);
-    fd = ep_fd_from_usb_dev_handle (d_devhandle->get_usb_dev_handle(),
-				    d_endpoint);
-  }
-  else {
-    read(&buf, 0);
-    fd = ep_fd_from_usb_dev_handle (d_devhandle->get_usb_dev_handle(),
-				    d_endpoint|USB_ENDPOINT_IN);
-  }
-
-  // enable read ahead/write behind
-  int ret;
-  struct usb_bulk_ra_wb_opt opts;
-  int enable = 1;
-
-  opts.ra_wb_buffer_size = d_block_size*d_nblocks;
-  opts.ra_wb_request_size = d_block_size;
-//  fprintf (stderr, "setting buffer size to %d, request size to %d\n",
-//	   opts.ra_wb_buffer_size, opts.ra_wb_request_size);
-  if (!d_input_p) {
-    ret = ioctl (fd, USB_SET_BULK_WB_OPT, &opts);
-    if (ret < 0)
-      fprintf (stderr, "USB_SET_BULK_WB_OPT: %s\n", strerror(errno));
-    else {
-      ret = ioctl (fd, USB_SET_BULK_WB, &enable);
-      if (ret < 0)
-	fprintf (stderr, "USB_SET_BULK_WB: %s\n", strerror(errno));
-      else
-	d_ra_wb_on = true;
-    }
-  }
-  else {
-    ret = ioctl (fd, USB_SET_BULK_RA_OPT, &opts);
-    if (ret < 0)
-      fprintf (stderr, "USB_SET_BULK_RA_OPT: %s\n", strerror(errno));
-    else {
-      ret = ioctl (fd, USB_SET_BULK_RA, &enable);
-      if (ret < 0)
-	fprintf (stderr, "USB_SET_BULK_RA: %s\n", strerror(errno));
-      else
-	d_ra_wb_on = true;
-    }
-  }
-
-  return true;
-}
-
-bool
-fusb_ephandle_ra_wb::stop ()
-{
-  int fd;
-  int ret;
-  int enable = 0;
-  if (d_ra_wb_on) {
-    if (!d_input_p) {
-      fd = ep_fd_from_usb_dev_handle (d_devhandle->get_usb_dev_handle(),
-				      d_endpoint);
-      ret = ioctl (fd, USB_SET_BULK_WB, &enable);
-      if (ret < 0)
-	fprintf (stderr, "USB_SET_BULK_WB: %s\n", strerror(errno));
-      else
-	d_ra_wb_on = false;
-    }
-    else {
-      fd = ep_fd_from_usb_dev_handle (d_devhandle->get_usb_dev_handle(),
-				      d_endpoint|USB_ENDPOINT_IN);
-      ret = ioctl (fd, USB_SET_BULK_RA, &enable);
-      if (ret < 0)
-	fprintf (stderr, "USB_SET_BULK_RA: %s\n", strerror(errno));
-      else
-	d_ra_wb_on = false;
-    }
-  }
-
-  d_started = false;
-  return true;
-}
-
-int
-fusb_ephandle_ra_wb::write (const void *buffer, int nbytes)
-{
-  if (!d_started)
-    return -1;
-  
-  if (d_input_p)
-    return -1;
-  
-  return usb_bulk_write (d_devhandle->get_usb_dev_handle (),
-			 d_endpoint, (char *) buffer, nbytes, USB_TIMEOUT);
-}
-
-int
-fusb_ephandle_ra_wb::read (void *buffer, int nbytes)
-{
-  if (!d_started)
-    return -1;
-
-  if (!d_input_p)
-    return -1;
-
-  return usb_bulk_read (d_devhandle->get_usb_dev_handle (),
-			d_endpoint|USB_ENDPOINT_IN, (char *) buffer, nbytes,
-			USB_TIMEOUT);
-}
-
-void
-fusb_ephandle_ra_wb::wait_for_completion ()
-{
-  // as the driver is implemented this only makes sense for write 
-  if (d_ra_wb_on && !d_input_p) {
-    int fd = ep_fd_from_usb_dev_handle (d_devhandle->get_usb_dev_handle(),
-					d_endpoint);
-    int kq = kqueue();
-    if (kq < 0)
-      return;
-    struct kevent evt;
-    int nevents;
-    EV_SET (&evt, fd, EVFILT_WRITE, EV_ADD | EV_ENABLE, 0, 0, 0/*NULL*/);
-    nevents = kevent (kq, &evt, 1, &evt, 1, NULL);
-    if (nevents < 1) {
-      close(kq);
-      return;
-    }
-    while (!(evt.flags & EV_ERROR) && evt.data < (d_block_size*d_nblocks)) {
-      // it's a busy loop, but that's all I can do at the moment
-      nevents = kevent (kq, NULL, 0, &evt, 1, NULL);
-      // let's see if this improves the test_usrp_standard_tx throughput &
-      // "CPU usage" by looping less frequently
-      struct timeval timeout;
-      timeout.tv_sec = 0;
-      timeout.tv_usec = 1000; // 1 ms
-      select (0, NULL, NULL, NULL, &timeout);
-    }
-    close (kq);
-  }
-}