139 lines
3.6 KiB
C++
139 lines
3.6 KiB
C++
#pragma once
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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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* https://raw.githubusercontent.com/forkineye/ESPixelStick/master/_E131.h
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* Project: E131 - E.131 (sACN) library for Arduino
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* Copyright (c) 2015 Shelby Merrick
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* http://www.forkineye.com
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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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#define E131_DEFAULT_PORT 5568
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/* E1.31 Packet Offsets */
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#define E131_ROOT_PREAMBLE_SIZE 0
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#define E131_ROOT_POSTAMBLE_SIZE 2
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#define E131_ROOT_ID 4
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#define E131_ROOT_FLENGTH 16
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#define E131_ROOT_VECTOR 18
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#define E131_ROOT_CID 22
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#define E131_FRAME_FLENGTH 38
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#define E131_FRAME_VECTOR 40
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#define E131_FRAME_SOURCE 44
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#define E131_FRAME_PRIORITY 108
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#define E131_FRAME_RESERVED 109
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#define E131_FRAME_SEQ 111
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#define E131_FRAME_OPT 112
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#define E131_FRAME_UNIVERSE 113
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#define E131_DMP_FLENGTH 115
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#define E131_DMP_VECTOR 117
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#define E131_DMP_TYPE 118
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#define E131_DMP_ADDR_FIRST 119
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#define E131_DMP_ADDR_INC 121
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#define E131_DMP_COUNT 123
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#define E131_DMP_DATA 125
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/* E1.31 Packet Structure */
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typedef union
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{
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struct
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{
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/* Root Layer */
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uint16_t preamble_size;
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uint16_t postamble_size;
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uint8_t acn_id[12];
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uint16_t root_flength;
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uint32_t root_vector;
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char cid[16];
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/* Frame Layer */
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uint16_t frame_flength;
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uint32_t frame_vector;
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char source_name[64];
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uint8_t priority;
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uint16_t reserved;
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uint8_t sequence_number;
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uint8_t options;
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uint16_t universe;
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/* DMP Layer */
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uint16_t dmp_flength;
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uint8_t dmp_vector;
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uint8_t type;
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uint16_t first_address;
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uint16_t address_increment;
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uint16_t property_value_count;
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uint8_t property_values[513];
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} __attribute__((packed));
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uint8_t raw[638];
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} e131_packet_t;
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/* defined parameters from http://tsp.esta.org/tsp/documents/docs/BSR_E1-31-20xx_CP-2014-1009r2.pdf */
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#define VECTOR_ROOT_E131_DATA 0x00000004
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#define VECTOR_ROOT_E131_EXTENDED 0x00000008
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#define VECTOR_DMP_SET_PROPERTY 0x02
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#define VECTOR_E131_DATA_PACKET 0x00000002
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#define VECTOR_E131_EXTENDED_SYNCHRONIZATION 0x00000001
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#define VECTOR_E131_EXTENDED_DISCOVERY 0x00000002
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#define VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST 0x00000001
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#define E131_E131_UNIVERSE_DISCOVERY_INTERVAL 10 // seconds
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#define E131_NETWORK_DATA_LOSS_TIMEOUT 2500 // milli econds
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#define E131_DISCOVERY_UNIVERSE 64214
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#define DMX_MAX 512 // 512 usable slots
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///
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/// Implementation of the LedDevice interface for sending led colors via udp/E1.31 packets
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///
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class LedDeviceUdpE131 : public ProviderUdp
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{
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public:
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///
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/// Constructs specific LedDevice
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///
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/// @param deviceConfig json device config
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///
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LedDeviceUdpE131(const Json::Value &deviceConfig);
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///
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/// Sets configuration
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///
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/// @param deviceConfig the json device config
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/// @return true if success
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bool setConfig(const Json::Value &deviceConfig);
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/// constructs leddevice
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static LedDevice* construct(const Json::Value &deviceConfig);
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private:
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///
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/// Writes the led color values to the led-device
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///
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/// @param ledValues The color-value per led
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/// @return Zero on succes else negative
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///
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virtual int write(const std::vector<ColorRgb> &ledValues);
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void prepare(const unsigned this_universe, const unsigned this_dmxChannelCount);
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e131_packet_t e131_packet;
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uint8_t _e131_seq = 0;
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uint8_t _e131_universe = 1;
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uint8_t _acn_id[12] = {0x41, 0x53, 0x43, 0x2d, 0x45, 0x31, 0x2e, 0x31, 0x37, 0x00, 0x00, 0x00 };
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std::string _e131_source_name;
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QUuid _e131_cid;
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};
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