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# Conflicts: # assets/webconfig/i18n/en.json # assets/webconfig/js/content_leds.js # libsrc/leddevice/dev_net/ProviderRestApi.cpp # libsrc/leddevice/dev_net/ProviderRestApi.h
467 lines
12 KiB
C++
467 lines
12 KiB
C++
#ifndef LEDEVICE_H
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#define LEDEVICE_H
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// qt includes
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#include <QObject>
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#include <QString>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <QJsonDocument>
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#include <QTimer>
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#include <QDateTime>
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// STL includes
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#include <vector>
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#include <map>
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#include <algorithm>
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// Utility includes
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#include <utils/ColorRgb.h>
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#include <utils/ColorRgbw.h>
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#include <utils/RgbToRgbw.h>
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#include <utils/Logger.h>
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#include <functional>
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#include <utils/Components.h>
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class LedDevice;
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typedef LedDevice* ( *LedDeviceCreateFuncType ) ( const QJsonObject& );
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typedef std::map<QString,LedDeviceCreateFuncType> LedDeviceRegistry;
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///
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/// @brief Interface (pure virtual base class) for LED-devices.
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///
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class LedDevice : public QObject
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{
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Q_OBJECT
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public:
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///
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/// @brief Constructs LED-device
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///
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/// @param deviceConfig Device's configuration as JSON-Object
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/// @param parent QT parent
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///
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LedDevice(const QJsonObject& deviceConfig = QJsonObject(), QObject* parent = nullptr);
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///
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/// @brief Destructor of the LED-device
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///
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~LedDevice() override;
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///
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/// @brief Set the current active LED-device type.
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///
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/// @param deviceType Device's type
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///
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void setActiveDeviceType(const QString& deviceType);
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///
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/// @brief Set the number of LEDs supported by the device.
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///
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/// @param[in] ledCount Number of device LEDs, 0 = unknown number
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///
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void setLedCount(int ledCount);
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///
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/// @brief Set a device's latch time.
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///
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/// Latch time is the time-frame a device requires until the next update can be processed.
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/// During that time-frame any updates done via updateLeds are skipped.
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///
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/// @param[in] latchTime_ms Latch time in milliseconds
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///
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void setLatchTime(int latchTime_ms);
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///
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/// @brief Set a device's rewrite time.
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///
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/// Rewrite time is the time frame a devices requires to be refreshed, if no updated happened in the meantime.
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///
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/// @param[in] rewriteTime_ms Rewrite time in milliseconds
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///
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void setRewriteTime(int rewriteTime_ms);
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///
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/// @brief Discover devices of this type available (for configuration).
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/// @note Mainly used for network devices. Allows to find devices, e.g. via ssdp, mDNS or cloud ways.
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///
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/// @param[in] params Parameters used to overwrite discovery default behaviour
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///
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/// @return A JSON structure holding a list of devices found
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///
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virtual QJsonObject discover(const QJsonObject& params);
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///
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/// @brief Discover first device of this type available (for configuration).
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/// @note Mainly used for network devices. Allows to find devices, e.g. via ssdp, mDNS or cloud ways.
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///
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/// @return A string of the device found
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///
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virtual QString discoverFirst();
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///
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/// @brief Get the device's properties
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///
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/// Used in context of a set of devices of the same type.
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///
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/// @param[in] params Parameters to address device
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/// @return A JSON structure holding the device's properties
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///
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virtual QJsonObject getProperties(const QJsonObject& params);
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///
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/// @brief Send an update to the device to identify it.
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///
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/// Used in context of a set of devices of the same type.
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///
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/// @param[in] params Parameters to address device
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///
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virtual void identify(const QJsonObject& /*params*/) {}
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///
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/// @brief Check, if device is properly initialised
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///
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/// i.e. initialisation and configuration were successful.
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///
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/// @return True, if device is initialised
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///
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bool isInitialised() const { return _isDeviceInitialised; }
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///
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/// @brief Check, if device is ready to be used.
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///
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/// i.e. initialisation and opening were successful.
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///
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/// @return True, if device is ready
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///
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bool isReady() const { return _isDeviceReady; }
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///
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/// @brief Check, if device is in error state.
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///
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/// @return True, if device is in error
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///
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bool isInError() const { return _isDeviceInError; }
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///
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/// @brief Prints the color values to stdout.
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///
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/// @param[in] ledValues The color per led
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///
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static void printLedValues(const std::vector<ColorRgb>& ledValues);
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public slots:
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///
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/// @brief Is called on thread start, all construction tasks and init should run here.
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///
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virtual void start();
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///
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/// @brief Stops the device.
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///
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/// Includes switching-off the device and stopping refreshes.
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///
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virtual void stop();
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///
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/// @brief Update the color values of the device's LEDs.
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///
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/// Handles refreshing of LEDs.
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///
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/// @param[in] ledValues The color per LED
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/// @return Zero on success else negative (i.e. device is not ready)
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///
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virtual int updateLeds(const std::vector<ColorRgb>& ledValues);
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///
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/// @brief Get the currently defined LatchTime.
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///
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/// @return Latch time in milliseconds
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///
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int getLatchTime() const { return _latchTime_ms; }
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///
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/// @brief Get the currently defined RewriteTime.
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///
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/// @return Rewrite time in milliseconds
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///
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int getRewriteTime() const { return _refreshTimerInterval_ms; }
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///
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/// @brief Get the number of LEDs supported by the device.
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///
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/// @return Number of device's LEDs, 0 = unknown number
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///
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int getLedCount() const { return _ledCount; }
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///
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/// @brief Get the current active LED-device type.
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///
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QString getActiveDeviceType() const { return _activeDeviceType; }
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///
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/// @brief Get color order of device.
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///
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/// @return The color order
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///
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QString getColorOrder() const { return _colorOrder; }
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///
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/// @brief Get the LED-Device component's state.
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///
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/// @return True, if enabled
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///
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inline bool componentState() const { return _isEnabled; }
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///
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/// @brief Enables the device for output.
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///
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/// If the device is not ready, it will not be enabled.
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///
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void enable();
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///
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/// @brief Disables the device for output.
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///
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void disable();
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///
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/// @brief Switch the LEDs on.
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///
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/// Takes care that the device is opened and powered-on.
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/// Depending on the configuration, the device may store its current state for later restore.
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/// @see powerOn, storeState
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///
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/// @return True, if success
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///
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virtual bool switchOn();
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///
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/// @brief Switch the LEDs off.
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///
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/// Takes care that the LEDs and device are switched-off and device is closed.
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/// Depending on the configuration, the device may be powered-off or restored to its previous state.
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/// @see powerOff, restoreState
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///
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/// @return True, if success
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///
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virtual bool switchOff();
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bool switchOnOff(bool onState)
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{
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return onState == true ? switchOn() : switchOff();
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}
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signals:
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///
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/// @brief Emits whenever the LED-Device switches between on/off.
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///
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/// @param[in] newState The new state of the device
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///
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void enableStateChanged(bool newState);
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protected:
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///
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/// @brief Initialise the device's configuration.
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///
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/// @param[in] deviceConfig the JSON device configuration
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/// @return True, if success
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///
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virtual bool init(const QJsonObject &deviceConfig);
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///
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/// @brief Opens the output device.
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///
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/// @return Zero, on success (i.e. device is ready), else negative
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///
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virtual int open();
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///
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/// @brief Closes the output device.
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///
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/// @return Zero on success (i.e. device is closed), else negative
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///
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virtual int close();
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///
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/// @brief Writes the RGB-Color values to the LEDs.
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///
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/// @param[in] ledValues The RGB-color per LED
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/// @return Zero on success, else negative
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///
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virtual int write(const std::vector<ColorRgb>& ledValues) = 0;
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///
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/// @brief Writes "BLACK" to the output stream,
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/// even if the device is not in enabled state (allowing to have a defined state during device power-off).
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/// @note: latch-time is considered between each write
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///
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/// @param[in] numberOfWrites Write Black a given number of times
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/// @return Zero on success else negative
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///
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virtual int writeBlack(int numberOfWrites = 1);
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///
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/// @brief Writes a color to the output stream,
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/// even if the device is not in enabled state (allowing to have a defined state during device power-off).
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/// @note: latch-time is considered between each write
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///
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/// @param[in] color to be written
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/// @param[in] numberOfWrites Write the color a given number of times
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/// @return Zero on success else negative
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///
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virtual int writeColor(const ColorRgb& color, int numberOfWrites = 1);
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///
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/// @brief Power-/turn on the LED-device.
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///
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/// Powers-/Turns on the LED hardware, if supported.
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///
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/// @return True, if success
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///
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virtual bool powerOn();
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///
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/// @brief Power-/turn off the LED-device.
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///
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/// Depending on the device's capability, the device is powered-/turned off or
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/// an off state is simulated by writing "Black to LED" (default).
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///
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/// @return True, if success
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///
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virtual bool powerOff();
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///
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/// @brief Store the device's original state.
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///
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/// Save the device's state before hyperion color streaming starts allowing to restore state during switchOff().
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///
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/// @return True, if success
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///
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virtual bool storeState();
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///
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/// @brief Restore the device's original state.
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///
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/// Restore the device's state as before hyperion color streaming started.
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/// This includes the on/off state of the device.
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///
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/// @return True, if success
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///
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virtual bool restoreState();
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///
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/// @brief Converts an uint8_t array to hex string.
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///
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/// @param data uint8_t array
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/// @param size of the array
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/// @param number Number of array items to be converted.
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/// @return array as string of hex values
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QString uint8_t_to_hex_string(const uint8_t * data, const int size, int number = -1) const;
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///
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/// @brief Converts a ByteArray to hex string.
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///
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/// @param data ByteArray
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/// @param number Number of array items to be converted.
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/// @return array as string of hex values
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QString toHex(const QByteArray& data, int number = -1) const;
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/// Current device's type
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QString _activeDeviceType;
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/// Helper to pipe device configuration from constructor to start()
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QJsonObject _devConfig;
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/// The common Logger instance for all LED-devices
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Logger * _log;
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/// The buffer containing the packed RGB values
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std::vector<uint8_t> _ledBuffer;
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/// Timer object which makes sure that LED data is written at a minimum rate
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/// e.g. some devices will switch off when they do not receive data at least every 15 seconds
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QTimer* _refreshTimer;
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// Device configuration parameters
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/// Refresh interval in milliseconds
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int _refreshTimerInterval_ms;
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/// Time a device requires mandatorily between two writes (in milliseconds)
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int _latchTime_ms;
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/// Number of hardware LEDs supported by device.
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uint _ledCount;
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uint _ledRGBCount;
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uint _ledRGBWCount;
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/// Does the device allow restoring the original state?
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bool _isRestoreOrigState;
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/// Device, lights state before streaming via hyperion
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QJsonObject _orignalStateValues;
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// Device states
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/// Is the device enabled?
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bool _isEnabled;
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/// Is the device initialised?
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bool _isDeviceInitialised;
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/// Is the device ready for processing?
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bool _isDeviceReady;
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/// Is the device switched on?
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bool _isOn;
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/// Is the device in error state and stopped?
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bool _isDeviceInError;
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/// Is the device in the switchOff process?
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bool _isInSwitchOff;
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/// Timestamp of last write
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QDateTime _lastWriteTime;
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protected slots:
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///
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/// @brief Write the last data to the LEDs again.
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///
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/// @return Zero on success else negative
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///
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virtual int rewriteLEDs();
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///
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/// @brief Set device in error state
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///
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/// @param[in] errorMsg The error message to be logged
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///
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virtual void setInError( const QString& errorMsg);
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private:
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/// @brief Start a new refresh cycle
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void startRefreshTimer();
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/// @brief Stop refresh cycle
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void stopRefreshTimer();
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/// Is last write refreshing enabled?
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bool _isRefreshEnabled;
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/// Order of Colors supported by the device
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/// "RGB", "BGR", "RBG", "BRG", "GBR", "GRB"
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QString _colorOrder;
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/// Last LED values written
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std::vector<ColorRgb> _lastLedValues;
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};
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#endif // LEDEVICE_H
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