Merge branch 'dfsg-orig'

[debian/gnuradio] / usrp / host / lib / fusb_generic.cc

diff --git a/usrp/host/lib/fusb_generic.cc b/usrp/host/lib/fusb_generic.cc
new file mode 100644 (file)
index 0000000..0958716
--- /dev/null
+++ b/usrp/host/lib/fusb_generic.cc
@@ -0,0 +1,108 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003 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_generic.h>
+#include <usb.h>
+
+
+static const int USB_TIMEOUT = 1000;   // in milliseconds
+
+
+fusb_devhandle_generic::fusb_devhandle_generic (usb_dev_handle *udh)
+  : fusb_devhandle (udh)
+{
+  // that's it
+}
+
+fusb_devhandle_generic::~fusb_devhandle_generic ()
+{
+  // nop
+}
+
+fusb_ephandle *
+fusb_devhandle_generic::make_ephandle (int endpoint, bool input_p,
+                                      int block_size, int nblocks)
+{
+  return new fusb_ephandle_generic (this, endpoint, input_p,
+                                   block_size, nblocks);
+}
+
+// ----------------------------------------------------------------
+
+fusb_ephandle_generic::fusb_ephandle_generic (fusb_devhandle_generic *dh,
+                                             int endpoint, bool input_p,
+                                             int block_size, int nblocks)
+  : fusb_ephandle (endpoint, input_p, block_size, nblocks),
+    d_devhandle (dh)
+{
+  // that's it
+}
+
+fusb_ephandle_generic::~fusb_ephandle_generic ()
+{
+  // nop
+}
+
+bool
+fusb_ephandle_generic::start ()
+{
+  d_started = true;
+  return true;
+}
+
+bool
+fusb_ephandle_generic::stop ()
+{
+  d_started = false;
+  return true;
+}
+
+int
+fusb_ephandle_generic::write (const void *buffer, int nbytes)
+{
+  if (!d_started)      // doesn't matter here, but keeps semantics constant
+    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_generic::read (void *buffer, int nbytes)
+{
+  if (!d_started)      // doesn't matter here, but keeps semantics constant
+    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);
+}