hyperion.ng/libsrc/leddevice/dev_net/LedDeviceUdpArtNet.h
2020-08-08 13:09:15 +02:00

92 lines
2.3 KiB
C++

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