mirror of https://gerrit.osmocom.org/libusrp
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2007 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef INCLUDED_USRP_SERVER_H
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#define INCLUDED_USRP_SERVER_H
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#include <mb_mblock.h>
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#include <vector>
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/*!
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* \brief Implements the lowest-level mblock interface to the USRP
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*/
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class usrp_server : public mb_mblock
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{
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public:
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enum error_codes {
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RQSTD_CAPACITY_UNAVAIL = 0,
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CHANNEL_UNAVAIL = 1,
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CHANNEL_INVALID = 2,
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PERMISSION_DENIED = 3
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};
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// our ports
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enum port_types {
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RX_PORT = 0,
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TX_PORT = 1
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};
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static const int N_PORTS = 4;
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std::vector<mb_port_sptr> d_tx, d_rx;
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mb_port_sptr d_cs;
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static const int D_USB_CAPACITY = 32 * 1024 * 1024;
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static const int D_MAX_CHANNELS = 16;
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long d_ntx_chan;
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long d_nrx_chan;
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struct channel_info {
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long assigned_capacity; // the capacity currently assignedby the channel
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pmt_t owner; // port ID of the owner of the channel
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};
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struct channel_info d_chaninfo_tx[D_MAX_CHANNELS];
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struct channel_info d_chaninfo_rx[D_MAX_CHANNELS];
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public:
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usrp_server(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg);
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~usrp_server();
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void initial_transition();
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void handle_message(mb_message_sptr msg);
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protected:
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static int max_capacity() { return D_USB_CAPACITY; }
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private:
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void handle_cmd_allocate_channel(pmt_t port_id, pmt_t data);
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void handle_cmd_deallocate_channel(pmt_t port_id, pmt_t data);
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void handle_cmd_xmit_raw_frame(pmt_t data);
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int rx_port_index(pmt_t port_id);
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int tx_port_index(pmt_t port_id);
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long current_capacity_allocation();
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};
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#endif /* INCLUDED_USRP_SERVER_H */
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