Initial version from https://github.com/tadas-s/OSC2Midi
https://github.com/tadas-s/OSC2Midi
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116 lines
2.9 KiB
116 lines
2.9 KiB
#include "debug.h"
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#include <Arduino.h>
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#include <ESP8266WiFi.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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MIDI_CREATE_INSTANCE(HardwareSerial, Serial, MIDI);
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void setup() {
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// Midi via UART0
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Serial.begin(31250);
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Serial.swap();
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#ifdef DEBUG
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// Debug via UART1 TX only
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Serial1.begin(115200, SERIAL_8N1, SERIAL_TX_ONLY, 2);
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Serial1.setDebugOutput(true);
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#endif
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DEBUG_MSG("\nHello OSC2Midi!\n");
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WiFi.softAP("OSC2Midi", "Midi2OSCGateway");
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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.setHandleControlChange(MidiCCToOSC);
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}
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void OSCToMidiCC(OSCMessage &msg, int offset) {
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char address[100] = { 0 };
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uint8_t cc, value;
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msg.getAddress(address, offset, sizeof(address));
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if (msg.size() == 1 && msg.isFloat(0)) {
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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\tCC: %u\tValue: %u\n", address, cc, value);
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MIDI.sendControlChange(cc, value, 1);
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} else if (msg.size() == 2 && msg.isFloat(0) && msg.isFloat(1)) {
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// XY pad, two values
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cc = getCC(address, 0);
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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\tCC: %u\tValue: %u\n", address, cc, value);
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MIDI.sendControlChange(cc, value, 1);
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cc = getCC(address, 1);
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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\tCC: %u\tValue: %u\n", address, cc, value);
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MIDI.sendControlChange(cc, value, 1);
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} else {
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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 value) {
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char buffer[1024];
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snprintf(buffer, sizeof(buffer), "/midi/cc/%u", number);
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OSCMessage msg = OSCMessage(buffer);
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msg.add(value * 1.0);
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DEBUG_MSG("MidiCCToOsc: %s %f", buffer, value * 1.0);
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udp.beginPacket(clientIP, 8001);
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msg.send(udp);
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udp.endPacket();
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}
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void loop() {
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OSCMessage msg;
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uint8_t buffer[1024];
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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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udp.read(buffer, size);
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msg.fill(buffer, size);
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if (!msg.hasError()) {
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DEBUG_OSC_MESSAGE(msg);
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msg.route("/midi/cc", OSCToMidiCC);
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} else {
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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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}
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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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