85 lines
2.2 KiB
Arduino
85 lines
2.2 KiB
Arduino
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/*
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Leverage the UDP source IP and port calls to
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return OSC information back
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This example can be extended to build routers and forwarders of OSC packets
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*/
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#include <Ethernet.h>
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#include <EthernetUdp.h>
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#include <SPI.h>
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#include <OSCBundle.h>
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EthernetUDP Udp;
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//the Arduino's IP
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IPAddress ip(128, 32, 122, 252);
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//port numbers
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const unsigned int inPort = 8888;
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const unsigned int outPort = 9999;
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//everything on the network needs a unique MAC
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#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MKL26Z64__)
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// Teensy 3.x has MAC burned in
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static byte mac[6];
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void read(uint8_t word, uint8_t *mac, uint8_t offset) {
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FTFL_FCCOB0 = 0x41; // Selects the READONCE command
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FTFL_FCCOB1 = word; // read the given word of read once area
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// launch command and wait until complete
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FTFL_FSTAT = FTFL_FSTAT_CCIF;
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while(!(FTFL_FSTAT & FTFL_FSTAT_CCIF));
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*(mac+offset) = FTFL_FCCOB5; // collect only the top three bytes,
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*(mac+offset+1) = FTFL_FCCOB6; // in the right orientation (big endian).
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*(mac+offset+2) = FTFL_FCCOB7; // Skip FTFL_FCCOB4 as it's always 0.
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}
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void read_mac() {
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read(0xe,mac,0);
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read(0xf,mac,3);
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}
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#else
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void read_mac() {}
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byte mac[] = {
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0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; // you can find this written on the board of some Arduino Ethernets or shields
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#endif
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void setup() {
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Ethernet.begin(mac,ip);
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Udp.begin(inPort);
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}
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void loop(){
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OSCBundle bndl;
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int size;
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//receive a bundle
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if( (size = Udp.parsePacket())>0)
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{
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// unsigned int outPort = Udp.remotePort();
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while(size--)
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bndl.fill(Udp.read());
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if(!bndl.hasError())
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{
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//and echo it back
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if(bndl.size() > 0)
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{
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static int32_t sequencenumber=0;
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// we can sneak an addition onto the end of the bundle
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bndl.add("/micros").add((int32_t)micros()); // (int32_t) is the type of OSC Integers
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bndl.add("/sequencenumber").add(sequencenumber++);
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Udp.beginPacket(Udp.remoteIP(), outPort);
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bndl.send(Udp);
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Udp.endPacket();
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}
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}
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}
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}
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