Merge pull request #3121 from troyhacks/2023-03-10-Art-Net_Transmit
Art-Net transmit support for network LEDs
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commit
e96053e268
@ -383,24 +383,20 @@ uint8_t BusOnOff::getPins(uint8_t* pinArray) {
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BusNetwork::BusNetwork(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWhite) {
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_valid = false;
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// switch (bc.type) {
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// case TYPE_NET_ARTNET_RGB:
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// _rgbw = false;
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// _UDPtype = 2;
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// break;
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// case TYPE_NET_E131_RGB:
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// _rgbw = false;
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// _UDPtype = 1;
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// break;
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// case TYPE_NET_DDP_RGB:
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// _rgbw = false;
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// _UDPtype = 0;
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// break;
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// default: // TYPE_NET_DDP_RGB / TYPE_NET_DDP_RGBW
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switch (bc.type) {
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case TYPE_NET_ARTNET_RGB:
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_rgbw = false;
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_UDPtype = 2;
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break;
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case TYPE_NET_E131_RGB:
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_rgbw = false;
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_UDPtype = 1;
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break;
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default: // TYPE_NET_DDP_RGB / TYPE_NET_DDP_RGBW
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_rgbw = bc.type == TYPE_NET_DDP_RGBW;
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_UDPtype = 0;
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// break;
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// }
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break;
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}
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_UDPchannels = _rgbw ? 4 : 3;
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_data = (byte *)malloc(bc.count * _UDPchannels);
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if (_data == nullptr) return;
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@ -563,4 +559,4 @@ uint16_t BusManager::getTotalLength() {
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// Bus static member definition
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int16_t Bus::_cct = -1;
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uint8_t Bus::_cctBlend = 0;
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uint8_t Bus::_gAWM = 255;
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uint8_t Bus::_gAWM = 255;
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@ -345,7 +345,7 @@ ${i+1}:
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<!--option value="46">PWM RGB+DCCT</option-->'}
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<option value="80">DDP RGB (network)</option>
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<!--option value="81">E1.31 RGB (network)</option-->
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<!--option value="82">ArtNet RGB (network)</option-->
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<option value="82">Art-Net RGB (network)</option>
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<option value="88">DDP RGBW (network)</option>
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</select><br>
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<div id="co${i}" style="display:inline">Color Order:
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@ -713,7 +713,9 @@ void sendSysInfoUDP()
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// buffer - a buffer of at least length*4 bytes long
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// isRGBW - true if the buffer contains 4 components per pixel
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uint8_t sequenceNumber = 0; // this needs to be shared across all outputs
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static size_t sequenceNumber = 0; // this needs to be shared across all outputs
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static const size_t ART_NET_HEADER_SIZE = 12;
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static const byte ART_NET_HEADER[] PROGMEM = {0x41,0x72,0x74,0x2d,0x4e,0x65,0x74,0x00,0x00,0x50,0x00,0x0e};
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uint8_t realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, uint8_t *buffer, uint8_t bri, bool isRGBW) {
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if (!(apActive || interfacesInited) || !client[0] || !length) return 1; // network not initialised or dummy/unset IP address 031522 ajn added check for ap
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@ -791,6 +793,57 @@ uint8_t realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, uint8
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case 2: //ArtNet
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{
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// calculate the number of UDP packets we need to send
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const size_t channelCount = length * (isRGBW?4:3); // 1 channel for every R,G,B,(W?) value
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const size_t ARTNET_CHANNELS_PER_PACKET = isRGBW?512:510; // 512/4=128 RGBW LEDs, 510/3=170 RGB LEDs
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const size_t packetCount = ((channelCount-1)/ARTNET_CHANNELS_PER_PACKET)+1;
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uint32_t channel = 0;
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size_t bufferOffset = 0;
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sequenceNumber++;
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for (size_t currentPacket = 0; currentPacket < packetCount; currentPacket++) {
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if (sequenceNumber > 255) sequenceNumber = 0;
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if (!ddpUdp.beginPacket(client, ARTNET_DEFAULT_PORT)) {
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DEBUG_PRINTLN(F("Art-Net WiFiUDP.beginPacket returned an error"));
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return 1; // borked
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}
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size_t packetSize = ARTNET_CHANNELS_PER_PACKET;
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if (currentPacket == (packetCount - 1U)) {
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// last packet
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if (channelCount % ARTNET_CHANNELS_PER_PACKET) {
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packetSize = channelCount % ARTNET_CHANNELS_PER_PACKET;
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}
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}
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byte buffer[ART_NET_HEADER_SIZE];
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memcpy_P(buffer, ART_NET_HEADER, ART_NET_HEADER_SIZE);
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ddpUdp.write(buffer, ART_NET_HEADER_SIZE); // This doesn't change. Hard coded ID, OpCode, and protocol version.
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ddpUdp.write(sequenceNumber & 0xFF); // sequence number. 1..255
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ddpUdp.write(0x00); // physical - more an FYI, not really used for anything. 0..3
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ddpUdp.write((currentPacket) & 0xFF); // Universe LSB. 1 full packet == 1 full universe, so just use current packet number.
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ddpUdp.write(0x00); // Universe MSB, unused.
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ddpUdp.write(0xFF & (packetSize >> 8)); // 16-bit length of channel data, MSB
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ddpUdp.write(0xFF & (packetSize )); // 16-bit length of channel data, LSB
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for (size_t i = 0; i < packetSize; i += (isRGBW?4:3)) {
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ddpUdp.write(scale8(buffer[bufferOffset++], bri)); // R
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ddpUdp.write(scale8(buffer[bufferOffset++], bri)); // G
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ddpUdp.write(scale8(buffer[bufferOffset++], bri)); // B
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if (isRGBW) ddpUdp.write(scale8(buffer[bufferOffset++], bri)); // W
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}
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if (!ddpUdp.endPacket()) {
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DEBUG_PRINTLN(F("Art-Net WiFiUDP.endPacket returned an error"));
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return 1; // borked
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}
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channel += packetSize;
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}
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} break;
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}
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return 0;
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