metadata.hpp

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//
// Copyright 2010-2012,2014 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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, see <http://www.gnu.org/licenses/>.
//

#ifndef INCLUDED_UHD_TYPES_METADATA_HPP
#define INCLUDED_UHD_TYPES_METADATA_HPP

#include <uhd/config.hpp>
#include <uhd/types/time_spec.hpp>
#include <stdint.h>
#include <string>

namespace uhd{

    struct UHD_API rx_metadata_t{

        rx_metadata_t()
        {
            reset();
        }

        void reset()
        {
            has_time_spec = false;
            time_spec = time_spec_t(0.0);
            more_fragments = false;
            fragment_offset = 0;
            start_of_burst = false;
            end_of_burst = false;
            error_code = ERROR_CODE_NONE;
            out_of_sequence = false;
        }

        bool has_time_spec;

        time_spec_t time_spec;

        bool more_fragments;

        size_t fragment_offset;

        bool start_of_burst;

        bool end_of_burst;

        enum error_code_t {
            ERROR_CODE_NONE         = 0x0,
            ERROR_CODE_TIMEOUT      = 0x1,
            ERROR_CODE_LATE_COMMAND = 0x2,
            ERROR_CODE_BROKEN_CHAIN = 0x4,
            ERROR_CODE_OVERFLOW     = 0x8,
            ERROR_CODE_ALIGNMENT    = 0xc,
            ERROR_CODE_BAD_PACKET   = 0xf
        } error_code;

        bool out_of_sequence;

        std::string to_pp_string(bool compact=true) const;

        std::string strerror(void) const;
    };

    struct UHD_API tx_metadata_t{
        bool has_time_spec;

        time_spec_t time_spec;

        bool start_of_burst;

        bool end_of_burst;

        tx_metadata_t(void);
    };

    struct UHD_API async_metadata_t{
        size_t channel;

        bool has_time_spec;

        time_spec_t time_spec;

        enum event_code_t {
            EVENT_CODE_BURST_ACK  = 0x1,
            EVENT_CODE_UNDERFLOW  = 0x2,
            EVENT_CODE_SEQ_ERROR  = 0x4,
            EVENT_CODE_TIME_ERROR = 0x8,
            EVENT_CODE_UNDERFLOW_IN_PACKET = 0x10,
            EVENT_CODE_SEQ_ERROR_IN_BURST  = 0x20,
            EVENT_CODE_USER_PAYLOAD = 0x40
        } event_code;

        uint32_t user_payload[4];

    };

} //namespace uhd

#endif /* INCLUDED_UHD_TYPES_METADATA_HPP */