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- /*The MIT License (MIT)
- Copyright (c) 2014 Nathanaël Lécaudé
- https://github.com/natcl/Artnet, http://forum.pjrc.com/threads/24688-Artnet-to-OctoWS2811
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- */
- #include <Artnet.h>
- Artnet::Artnet() {}
- void Artnet::begin(byte mac[], byte ip[])
- {
- #if !defined(ARDUINO_SAMD_ZERO) && !defined(ESP8266) && !defined(ESP32)
- Ethernet.begin(mac,ip);
- #endif
- Udp.begin(ART_NET_PORT);
- }
- void Artnet::begin()
- {
- Udp.begin(ART_NET_PORT);
- }
- void Artnet::setBroadcastAuto(IPAddress ip, IPAddress sn)
- {
- //Cast in uint 32 to use bitwise operation of DWORD
- uint32_t ip32 = ip;
- uint32_t sn32 = sn;
- //Find the broacast Address
- uint32_t bc = (ip32 & sn32) | (~sn32);
- //sets the broadcast address
- setBroadcast(IPAddress(bc));
- }
- void Artnet::setBroadcast(byte bc[])
- {
- //sets the broadcast address
- broadcast = bc;
- }
- void Artnet::setBroadcast(IPAddress bc)
- {
- //sets the broadcast address
- broadcast = bc;
- }
- uint16_t Artnet::read()
- {
- packetSize = Udp.parsePacket();
- remoteIP = Udp.remoteIP();
- if (packetSize <= MAX_BUFFER_ARTNET && packetSize > 0)
- {
- Udp.read(artnetPacket, MAX_BUFFER_ARTNET);
- // Check that packetID is "Art-Net" else ignore
- for (byte i = 0 ; i < 8 ; i++)
- {
- if (artnetPacket[i] != ART_NET_ID[i])
- return 0;
- }
- opcode = artnetPacket[8] | artnetPacket[9] << 8;
- if (opcode == ART_DMX)
- {
- sequence = artnetPacket[12];
- incomingUniverse = artnetPacket[14] | artnetPacket[15] << 8;
- dmxDataLength = artnetPacket[17] | artnetPacket[16] << 8;
- if (artDmxCallback) (*artDmxCallback)(incomingUniverse, dmxDataLength, sequence, artnetPacket + ART_DMX_START, remoteIP);
- return ART_DMX;
- }
- if (opcode == ART_POLL)
- {
- //fill the reply struct, and then send it to the network's broadcast address
- Serial.print("POLL from ");
- Serial.print(remoteIP);
- Serial.print(" broadcast addr: ");
- Serial.println(broadcast);
- #if !defined(ARDUINO_SAMD_ZERO) && !defined(ESP8266) && !defined(ESP32)
- IPAddress local_ip = Ethernet.localIP();
- #else
- IPAddress local_ip = WiFi.localIP();
- #endif
- node_ip_address[0] = local_ip[0];
- node_ip_address[1] = local_ip[1];
- node_ip_address[2] = local_ip[2];
- node_ip_address[3] = local_ip[3];
- sprintf((char *)id, "Art-Net");
- memcpy(ArtPollReply.id, id, sizeof(ArtPollReply.id));
- memcpy(ArtPollReply.ip, node_ip_address, sizeof(ArtPollReply.ip));
- ArtPollReply.opCode = ART_POLL_REPLY;
- ArtPollReply.port = ART_NET_PORT;
- memset(ArtPollReply.goodinput, 0x08, 4);
- memset(ArtPollReply.goodoutput, 0x80, 4);
- memset(ArtPollReply.porttypes, 0xc0, 4);
- uint8_t shortname [18];
- uint8_t longname [64];
- sprintf((char *)shortname, "artnet arduino");
- sprintf((char *)longname, "Art-Net -> Arduino Bridge");
- memcpy(ArtPollReply.shortname, shortname, sizeof(shortname));
- memcpy(ArtPollReply.longname, longname, sizeof(longname));
- ArtPollReply.etsaman[0] = 0;
- ArtPollReply.etsaman[1] = 0;
- ArtPollReply.verH = 1;
- ArtPollReply.ver = 0;
- ArtPollReply.subH = 0;
- ArtPollReply.sub = 0;
- ArtPollReply.oemH = 0;
- ArtPollReply.oem = 0xFF;
- ArtPollReply.ubea = 0;
- ArtPollReply.status = 0xd2;
- ArtPollReply.swvideo = 0;
- ArtPollReply.swmacro = 0;
- ArtPollReply.swremote = 0;
- ArtPollReply.style = 0;
- ArtPollReply.numbportsH = 0;
- ArtPollReply.numbports = 4;
- ArtPollReply.status2 = 0x08;
- ArtPollReply.bindip[0] = node_ip_address[0];
- ArtPollReply.bindip[1] = node_ip_address[1];
- ArtPollReply.bindip[2] = node_ip_address[2];
- ArtPollReply.bindip[3] = node_ip_address[3];
- uint8_t swin[4] = {0x01,0x02,0x03,0x04};
- uint8_t swout[4] = {0x01,0x02,0x03,0x04};
- for(uint8_t i = 0; i < 4; i++)
- {
- ArtPollReply.swout[i] = swout[i];
- ArtPollReply.swin[i] = swin[i];
- }
- sprintf((char *)ArtPollReply.nodereport, "%i DMX output universes active.", ArtPollReply.numbports);
- Udp.beginPacket(broadcast, ART_NET_PORT);//send the packet to the broadcast address
- Udp.write((uint8_t *)&ArtPollReply, sizeof(ArtPollReply));
- Udp.endPacket();
- return ART_POLL;
- }
- if (opcode == ART_SYNC)
- {
- if (artSyncCallback) (*artSyncCallback)(remoteIP);
- return ART_SYNC;
- }
- }
- else
- {
- return 0;
- }
- return 0;
- }
- void Artnet::printPacketHeader()
- {
- Serial.print("packet size = ");
- Serial.print(packetSize);
- Serial.print("\topcode = ");
- Serial.print(opcode, HEX);
- Serial.print("\tuniverse number = ");
- Serial.print(incomingUniverse);
- Serial.print("\tdata length = ");
- Serial.print(dmxDataLength);
- Serial.print("\tsequence n0. = ");
- Serial.println(sequence);
- }
- void Artnet::printPacketContent()
- {
- for (uint16_t i = ART_DMX_START ; i < dmxDataLength ; i++){
- Serial.print(artnetPacket[i], DEC);
- Serial.print(" ");
- }
- Serial.println('\n');
- }
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