MIDIPilot/BaseOutputGenerator.cpp at main · jackghicks/MIDIPilot · GitHub

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//
// Created by me on 04/04/2023.
//

#include "BaseOutputGenerator.h"
#include <MIDIUSB.h>
#include <Arduino.h>
#include "Constants.h"

BaseOutputGenerator::BaseOutputGenerator(PilotCore *pilotCore) {
    this->pilotCore = pilotCore;
}

BaseOutputGenerator::~BaseOutputGenerator() {

}

PilotCore *BaseOutputGenerator::getCore() const {
    return pilotCore;
}

void BaseOutputGenerator::SendPitchBend(unsigned short voltageValue) {

    int pitchBend = constrain ( map ( voltageValue, 0, VOLTAGE_MAX, -PITCH_BEND_BASIS, PITCH_BEND_BASIS ), -PITCH_BEND_BASIS, PITCH_BEND_BASIS - 1);

    unsigned int centered = PITCH_BEND_BASIS + pitchBend;
    unsigned char low = centered & 0x7F;  // LSB
    unsigned char high = (centered >> 7) & 0x7F;  // MSB
    midiEventPacket_t event = {0x0E, 0xE0 | 0, low, high};
    MidiUSB.sendMIDI(event);
}

void BaseOutputGenerator::SendCC(unsigned char ccNumber, unsigned short voltageValue) {

    uint8_t ccValue = constrain ( map ( voltageValue, 0, VOLTAGE_MAX, 0, MIDI_MAX ), 0, MIDI_MAX );

    midiEventPacket_t event = {0x0B, 0xB0 | 0, ccNumber,ccValue};
    MidiUSB.sendMIDI(event);
}

void BaseOutputGenerator::SendNRPN(unsigned short nrpmNumber, unsigned short voltageValue) {
        uint8_t nrpnValue = constrain ( map ( voltageValue, 0, VOLTAGE_MAX, 0, MIDI_MAX ), 0, MIDI_MAX );
        midiEventPacket_t event = {0x0B, 0xB0 | 0, NRPN_MSB, nrpmNumber >> 7};
        MidiUSB.sendMIDI(event);
        event = {0x0B, 0xB0 | 0, NRPN_LSB, nrpmNumber & 0x7F};
        MidiUSB.sendMIDI(event);
        event = {0x0B, 0xB0 | 0, DATA_ENTRY_MSB, nrpnValue >> 7};
        MidiUSB.sendMIDI(event);
        event = {0x0B, 0xB0 | 0, DATA_ENTRY_LSB, nrpnValue & 0x7F};
        MidiUSB.sendMIDI(event);
}