1 files changed, 82 insertions, 0 deletions
diff --git a/usrp/host/lib/inband/usrp_server.h b/usrp/host/lib/inband/usrp_server.h
new file mode 100644
index 000000000..87c2768e5
--- /dev/null
+++ b/usrp/host/lib/inband/usrp_server.h
@@ -0,0 +1,82 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 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 2, 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_USRP_SERVER_H
+#define INCLUDED_USRP_SERVER_H
+
+#include <mb_mblock.h>
+#include <vector>
+
+/*!
+ * \brief Implements the lowest-level mblock interface to the USRP
+ */
+class usrp_server : public mb_mblock
+{
+public:
+
+  enum error_codes {
+    RQSTD_CAPACITY_UNAVAIL = 0,
+    CHANNEL_UNAVAIL = 1,
+    CHANNEL_INVALID = 2,
+    PERMISSION_DENIED = 3
+  };
+
+  // our ports
+  enum port_types {
+    RX_PORT = 0,
+    TX_PORT = 1
+  };
+  static const int N_PORTS = 4;
+  std::vector<mb_port_sptr> d_tx, d_rx;
+  mb_port_sptr	d_cs;
+
+  static const int D_USB_CAPACITY = 32 * 1024 * 1024;
+  static const int D_MAX_CHANNELS = 16;
+  long d_ntx_chan;
+  long d_nrx_chan;
+
+  struct channel_info {
+    long assigned_capacity;  // the capacity currently assignedby the channel
+    pmt_t owner;              // port ID of the owner of the channel
+  };
+
+  struct channel_info d_chaninfo_tx[D_MAX_CHANNELS];
+  struct channel_info d_chaninfo_rx[D_MAX_CHANNELS];
+
+public:
+  usrp_server(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg);
+  ~usrp_server();
+
+  void initial_transition();
+  void handle_message(mb_message_sptr msg);
+
+protected:
+  static int max_capacity() { return D_USB_CAPACITY; }
+
+private:
+  void handle_cmd_allocate_channel(pmt_t port_id, pmt_t data);
+  void handle_cmd_deallocate_channel(pmt_t port_id, pmt_t data);
+  void handle_cmd_xmit_raw_frame(pmt_t data);
+  int rx_port_index(pmt_t port_id);
+  int tx_port_index(pmt_t port_id);
+  long current_capacity_allocation();
+};
+
+#endif /* INCLUDED_USRP_SERVER_H */