92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
#ifndef LEDEVICEUDPARTNET_H
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#define LEDEVICEUDPARTNET_H
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// hyperion includes
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#include "ProviderUdp.h"
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#include <QUuid>
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/**
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*
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* This program is provided free for you to use in any way that you wish,
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* subject to the laws and regulations where you are using it. Due diligence
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* is strongly suggested before using this code. Please give credit where due.
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*
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**/
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const int DMX_MAX = 512; // 512 usable slots
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// http://stackoverflow.com/questions/16396013/artnet-packet-structure
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typedef union
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{
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#pragma pack(push, 1)
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struct {
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char ID[8]; // "Art-Net"
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uint16_t OpCode; // See Doc. Table 1 - OpCodes e.g. 0x5000 OpOutput / OpDmx
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uint16_t ProtVer; // 0x0e00 (aka 14)
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uint8_t Sequence; // monotonic counter
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uint8_t Physical; // 0x00
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uint8_t SubUni; // low universe (0-255)
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uint8_t Net; // high universe (not used)
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uint16_t Length; // data length (2 - 512)
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uint8_t Data[ DMX_MAX ]; // universe data
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};
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#pragma pack(pop)
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uint8_t raw[ 18 + DMX_MAX ];
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} artnet_packet_t;
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///
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/// Implementation of the LedDevice interface for sending LED colors to an Art-Net LED-device via UDP
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///
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class LedDeviceUdpArtNet : public ProviderUdp
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{
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public:
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///
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/// @brief Constructs an Art-Net LED-device fed via UDP
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///
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/// @param deviceConfig Device's configuration as JSON-Object
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///
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explicit LedDeviceUdpArtNet(const QJsonObject &deviceConfig);
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///
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/// @brief Constructs the LED-device
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///
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/// @param[in] deviceConfig Device's configuration as JSON-Object
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/// @return LedDevice constructed
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///
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static LedDevice* construct(const QJsonObject &deviceConfig);
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private:
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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) override;
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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) override;
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///
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/// @brief Generate Art-Net communication header
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///
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void prepare(const unsigned this_universe, const unsigned this_sequence, const unsigned this_dmxChannelCount);
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artnet_packet_t artnet_packet;
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uint8_t _artnet_seq = 1;
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int _artnet_channelsPerFixture = 3;
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int _artnet_universe = 1;
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};
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#endif // LEDEVICEUDPARTNET_H
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