Initial version from https://github.com/tadas-s/OSC2Midi
https://github.com/tadas-s/OSC2Midi
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149 lines
3.5 KiB
149 lines
3.5 KiB
#define DEBUG 1
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#include "debug.h"
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#include <Arduino.h>
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//#include <ESP8266WiFi.h>
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#include <WiFiManager.h>
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#include <WiFiUdp.h>
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#include <OSCMessage.h>
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#include <OSCBundle.h>
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#include <OSCData.h>
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#include <MIDI.h>
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#include "OSC2Midi.h"
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void MidiCCToOSC(uint8_t channel, uint8_t number, uint8_t value);
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WiFiUDP udp;
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/**
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source address of last OSC message for midi2osc messages.
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*/
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IPAddress clientIP;
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/*IPAddress local_IP(192,168,4,2);
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IPAddress gateway(192,168,4,1);
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IPAddress subnet(255,255,255,0);*/
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/*
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UART RX IO TX IO CTS RTS
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UART0 GPIO3 GPIO1 N/A N/A
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UART1 GPIO9 GPIO10 GPIO6 GPIO11
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UART2 GPIO16 GPIO17 GPIO8 GPIO7
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*/
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial2, MIDI); // Pins on ESP32: RX: 6, TX: 7
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//MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, MIDI2); // Pins on ESP32: RX: ?, TX: ?
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void setup()
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{
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Serial2.begin(31250);
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Serial.begin(115200);
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Serial.setDebugOutput(true);
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DEBUG_MSG("\nHello OSC2Midi!\n");
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WiFi.softAP("OSC2Midi", "1357924680");
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DEBUG_MSG("\nAP IP address: %s\n", WiFi.softAPIP().toString().c_str());
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udp.begin(8000);
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MIDI.begin(MIDI_CHANNEL_OMNI);
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MIDI.setHandleControlChange(MidiCCToOSC);
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MIDI.turnThruOff();
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}
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void OSCToMidiCC(OSCMessage &msg, int offset)
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{
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char address[100] = { 0 };
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uint8_t cc, value;
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uint8_t midichannel;
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msg.getAddress(address, offset, sizeof(address));
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midichannel = getMIDIChannel(address);
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//midichannel--;
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if (msg.size() == 1 && msg.isFloat(0))
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{
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// Single or multi control with sending one value
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cc = getCC(address);
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value = round(msg.getFloat(0));
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value = value > 127 ? 127 : value;
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DEBUG_MSG("MSG: %s\tChannel: %u\t\tCC: %u\tValue: %u\n", address, midichannel, cc, value);
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MIDI.sendControlChange(cc, value, midichannel);
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}
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else if (msg.size() == 2 && msg.isFloat(0) && msg.isFloat(1))
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{
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// XY pad, two values
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cc = getVar(address, 1);
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value = round(msg.getFloat(0));
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value = value > 127 ? 127 : value;
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DEBUG_MSG("MSG: %s\tChannel: %u\t\tCC: %u\tValue: %u\n", address, midichannel, cc, value);
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MIDI.sendControlChange(cc, value, midichannel);
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cc = getVar(address, 2);
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value = round(msg.getFloat(1));
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value = value > 127 ? 127 : value;
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DEBUG_MSG("MSG: %s\tChannel: %u\t\tCC: %u\tValue: %u\n", address, midichannel, cc, value);
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MIDI.sendControlChange(cc, value, midichannel);
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}
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else
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{
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DEBUG_MSG("Cannot handle: %s\n", address);
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}
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}
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void MidiCCToOSC(uint8_t channel, uint8_t number, uint8_t val)
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{
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char buffer[1024];
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snprintf(buffer, sizeof(buffer), "/midi/cc/%u/%u", channel, number);
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DEBUG_MSG("MidiCCToOsc: %s %f\n", buffer, val * 1.0);
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if (clientIP)
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{
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OSCMessage msg = OSCMessage(buffer);
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msg.add(val);
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udp.beginPacket(clientIP, 9000);
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msg.send(udp);
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udp.endPacket();
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}
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}
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void loop()
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{
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OSCMessage msg;
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uint8_t buffer[1024];
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uint16_t outPort;
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// Check if there are any OSC packets to handle
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size_t size = udp.parsePacket();
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if (size > 0 && size <= 1024)
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{
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udp.read(buffer, size);
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msg.fill(buffer, size);
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if (!msg.hasError())
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{
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DEBUG_OSC_MESSAGE(msg);
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msg.route("/midi/cc", OSCToMidiCC);
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//msg.route("/midi/sysex", OSCToMidiSYSEX);
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//msg.route("/midi/note", OSCToMidiNote);
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}
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else
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{
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DEBUG_MSG("Error parsing OSC message: %d\n", msg.getError());
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}
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// Keep track of the client IP address for "talking back"
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clientIP = udp.remoteIP();
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udp.flush();
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}
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// Check if there are any CC messages from synth itself
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MIDI.read();
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}
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