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https://github.com/saitohirga/WSJT-X.git
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cbd4f109a8
RIGCTRL is defined as a log channel for rig control messages and the appropriate logger is made available to children of the Transceiver class. Use Transceiver::logger() to access the logger. Switched existing rig control QDebug messages to Boost logging.
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#ifndef POLLING_TRANSCEIVER_HPP__
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#define POLLING_TRANSCEIVER_HPP__
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#include <QObject>
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#include "Transceiver/TransceiverBase.hpp"
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class QTimer;
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//
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// Polling Transceiver
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//
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// Helper base class that encapsulates the emulation of continuous
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// update and caching of a transceiver state.
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//
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// Collaborations
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//
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// Implements the TransceiverBase post action interface and provides
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// the abstract poll() operation for sub-classes to implement. The
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// poll operation is invoked every poll_interval seconds.
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//
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// Responsibilities
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//
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// Because some rig interfaces don't immediately update after a state
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// change request; this class allows a rig a few polls to stabilise
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// to the requested state before signalling the change. This means
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// that clients don't see intermediate states that are sometimes
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// inaccurate, e.g. changing the split TX frequency on Icom rigs
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// requires a VFO switch and polls while switched will return the
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// wrong current frequency.
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//
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class PollingTransceiver
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: public TransceiverBase
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{
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Q_OBJECT; // for translation context
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protected:
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explicit PollingTransceiver (logger_type *, int poll_interval, // in seconds
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QObject * parent);
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protected:
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// Sub-classes implement this and fetch what they can from the rig
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// in a non-intrusive manner.
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virtual void do_poll () = 0;
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void do_post_start () override final;
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void do_post_stop () override final;
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void do_post_frequency (Frequency, MODE) override final;
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void do_post_tx_frequency (Frequency, MODE) override final;
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void do_post_mode (MODE) override final;
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void do_post_ptt (bool = true) override final;
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bool do_pre_update () override final;
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private:
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void start_timer ();
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void stop_timer ();
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Q_SLOT void handle_timeout ();
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int interval_; // polling interval in milliseconds
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QTimer * poll_timer_;
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// keep a record of the last state signalled so we can elide
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// duplicate updates
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Transceiver::TransceiverState last_signalled_state_;
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// keep a record of expected state so we can compare with actual
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// updates to determine when state changes have bubbled through
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Transceiver::TransceiverState next_state_;
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unsigned retries_; // number of incorrect polls left
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};
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#endif
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