70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#pragma once
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// STL incldues
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#include <vector>
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#include <QObject>
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#include <map>
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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 <json/json.h>
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class LedDevice;
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typedef LedDevice* ( *LedDeviceCreateFuncType ) ( const Json::Value& );
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typedef std::map<std::string,LedDeviceCreateFuncType> LedDeviceRegistry;
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///
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/// Interface (pure virtual base class) for LedDevices.
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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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LedDevice();
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///
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/// Empty virtual destructor for pure virtual base class
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///
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virtual ~LedDevice() {}
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///
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/// 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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///
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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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/// Switch the leds off
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virtual int switchOff() = 0;
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///
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/// Opens and configures the output device
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///
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/// @return Zero on succes else negative
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///
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virtual int open();
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static int addToDeviceMap(std::string name, LedDeviceCreateFuncType funcPtr);
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static const LedDeviceRegistry& getDeviceMap();
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static void setActiveDevice(std::string dev);
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static std::string activeDevice() { return _activeDevice; };
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protected:
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/// The common Logger instance for all LedDevices
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Logger * _log;
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int _ledCount;
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/// The buffer containing the packed RGB values
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std::vector<uint8_t> _ledBuffer;
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static std::string _activeDevice;
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static LedDeviceRegistry _ledDeviceMap;
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};
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