101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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universesender.h
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Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#include "data.h"
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#include "dmp.h"
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#include "../dmx/universe.h"
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#include <atomic>
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#include <condition_variable>
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#include <memory>
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#include <thread>
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namespace sACN {
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class Universe;
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class Source;
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/**
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* @brief The UniverseSender class
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*/
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class UniverseSender
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{
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public:
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UniverseSender(Source*, Universe *);
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~UniverseSender();
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bool isSending() const;
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void flush();
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void kill();
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private:
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Source * mSource;
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Universe * mUniverse;
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/// \cite sACN 6.2.6 E1.31 Data Packet: Options - Stream_Terminated
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/// Three packets containing this bit ... shall be sent by sources upon terminating
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/// sourcing of a universe.
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int terminated_resend;
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/// > \cite sACN 6.6.1 Transmission Rate
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/// >
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/// > E1.31 sources shall not transmit packets for a given universe number
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/// > at a rate which exceeds the maximum refresh rate specified in
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/// > E1.11 \cite DMX
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///
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/// > \cite DMX Table 6 - Timing Diagram Values - output of transmitting UART
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/// >
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/// > Minimum Update Time for 513 slots : 22.7ms = 22700µs
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const std::chrono::microseconds minimum_update_time;
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/// > \cite sACN 6.6.2 Null START Code Transmission Requirements in E1.31
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/// > Data Packets
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/// >
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/// > 1. Three packets containing the non-changing Property Values
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/// > (corresponding to DMX512-A slot data) shall be sent before the
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/// > initiation of transmission suppression.
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unsigned int retransmission_count;
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/// > 2. Thereafter, a single keep-alive packet shall be transmitted at
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/// > intervals of between 800mS and 1000mS.
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const std::chrono::milliseconds keep_alive_interval;
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mutable std::shared_mutex mtx_control;
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mutable std::mutex mtx_thread_;
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std::atomic<bool> enabled_;
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std::condition_variable_any request_;
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std::thread worker_;
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void loop_();
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DMX::DimmerData last_data_;
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ACN::PDU::Message<ACN::DMP::Pdu> dmp_;
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void update_dmp_();
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ACN::PDU::Message<DATA::Pdu> frame_;
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void dataFrameSender(ACN::PDU::Message<ACN::DMP::Pdu>) const;
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};
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} // namespace sACN
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