mirror of https://gerrit.osmocom.org/libusrp
132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2007,2008 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 <mblock/mblock.h>
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#include <vector>
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#include <queue>
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#include <fstream>
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#include <usrp_inband_usb_packet.h>
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typedef usrp_inband_usb_packet transport_pkt; // makes conversion to gigabit easy
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/*!
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* \brief Implements the lowest-level mblock usb_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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// 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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mb_port_sptr d_cs_usrp;
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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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pmt_t d_usrp_dict;
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bool d_fpga_debug;
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long d_interp_tx;
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long d_decim_rx;
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// Keep track of the request IDs
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struct rid_info {
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pmt_t owner;
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long user_rid;
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rid_info() {
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owner = PMT_NIL;
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user_rid = 0;
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}
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};
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static const long D_MAX_RID = 64;
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std::vector<rid_info> d_rids;
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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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channel_info() {
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assigned_capacity = 0;
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owner = PMT_NIL;
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}
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};
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long d_rx_chan_mask; // A bitmask representing the channels in the
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// receiving state
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std::vector<struct channel_info> d_chaninfo_tx;
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std::vector<struct channel_info> d_chaninfo_rx;
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std::queue<mb_message_sptr> d_defer_queue;
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bool d_defer;
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bool d_opened;
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bool d_fake_rx;
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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(mb_port_sptr port, std::vector<struct channel_info> &chan_info, pmt_t data);
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void handle_cmd_deallocate_channel(mb_port_sptr port, std::vector<struct channel_info> &chan_info, pmt_t data);
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void handle_cmd_xmit_raw_frame(mb_port_sptr port, std::vector<struct channel_info> &chan_info, pmt_t data);
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void handle_cmd_to_control_channel(mb_port_sptr port, std::vector<struct channel_info> &chan_info, pmt_t data);
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void handle_cmd_start_recv_raw_samples(mb_port_sptr port, std::vector<struct channel_info> &chan_info, pmt_t data);
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void handle_cmd_stop_recv_raw_samples(mb_port_sptr port, std::vector<struct channel_info> &chan_info, 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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void recall_defer_queue();
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void reset_channels();
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void handle_response_usrp_read(pmt_t data);
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bool check_valid(mb_port_sptr port, long channel, std::vector<struct channel_info> &chan_info, pmt_t signal_info);
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void parse_control_pkt(pmt_t invocation_handle, transport_pkt *pkt);
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long next_rid();
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void initialize_registers();
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void set_register(long reg, long val);
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void read_register(long reg);
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void check_register_initialization();
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void reset_all_registers();
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};
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#endif /* INCLUDED_USRP_SERVER_H */
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