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//
// Copyright 2012 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_LIBUHD_USRP_COMMON_ASYNC_PACKET_HANDLER_HPP
#define INCLUDED_LIBUHD_USRP_COMMON_ASYNC_PACKET_HANDLER_HPP
#include <uhd/config.hpp>
#include <uhd/transport/vrt_if_packet.hpp>
#include <uhd/types/metadata.hpp>
#include <uhd/utils/byteswap.hpp>
#include <uhd/utils/msg.hpp>
namespace uhd{ namespace usrp{
template <typename to_host_type>
void load_metadata_from_buff(
const to_host_type &to_host,
async_metadata_t &metadata,
const transport::vrt::if_packet_info_t &if_packet_info,
const uint32_t *vrt_hdr,
const double tick_rate,
const size_t channel = 0
){
const uint32_t *payload = vrt_hdr + if_packet_info.num_header_words32;
//load into metadata
metadata.channel = channel;
metadata.has_time_spec = if_packet_info.has_tsf;
metadata.time_spec = time_spec_t::from_ticks(if_packet_info.tsf, tick_rate);
metadata.event_code = async_metadata_t::event_code_t(to_host(payload[0]) & 0xff);
//load user payload
for (size_t i = 1; i < if_packet_info.num_payload_words32; i++){
if (i-1 == 4) break; //limit of 4 words32
metadata.user_payload[i-1] = to_host(payload[i]);
}
}
UHD_INLINE void standard_async_msg_prints(const async_metadata_t &metadata)
{
if (metadata.event_code &
( async_metadata_t::EVENT_CODE_UNDERFLOW
| async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET)
) UHD_MSG(fastpath) << "U";
else if (metadata.event_code &
( async_metadata_t::EVENT_CODE_SEQ_ERROR
| async_metadata_t::EVENT_CODE_SEQ_ERROR_IN_BURST)
) UHD_MSG(fastpath) << "S";
else if (metadata.event_code &
async_metadata_t::EVENT_CODE_TIME_ERROR
) UHD_MSG(fastpath) << "L";
}
}} //namespace uhd::usrp
#endif /* INCLUDED_LIBUHD_USRP_COMMON_ASYNC_PACKET_HANDLER_HPP */
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