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authorMechMerlin <30334081+mechmerlin@users.noreply.github.com>2019-01-23 21:04:04 -0800
committerDrashna Jaelre <drashna@live.com>2019-01-23 21:04:04 -0800
commit465559e1666b4f2d346bd899d884a6266a4d9ca4 (patch)
treeb58886e2d6ba3902a9da96a51d6aeae14f9306b6 /lib/lufa/Projects/Webserver/Lib/SCSI.h
parentcf596a0371ad63106e764e96379deb48ec21e92b (diff)
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Optimize/Update the new_project script (#4920)
* use pragma once in our templates * template.h is present in both avr/ps2avrgb options so we moved it to base. In addition we now use pragma once
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generated by cgit v1.2.3 (git 2.25.1) at 2025-12-19 10:30:16 +0000
a id='n139' href='#n139'>139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 
/* Copyright 2016 Jack Humbert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "process_midi.h"

#ifdef MIDI_ENABLE
#    include <LUFA/Drivers/USB/USB.h>
#    include "midi.h"
#    include "qmk_midi.h"

#    ifdef MIDI_BASIC

void process_midi_basic_noteon(uint8_t note) { midi_send_noteon(&midi_device, 0, note, 127); }

void process_midi_basic_noteoff(uint8_t note) { midi_send_noteoff(&midi_device, 0, note, 0); }

void process_midi_all_notes_off(void) { midi_send_cc(&midi_device, 0, 0x7B, 0); }

#    endif  // MIDI_BASIC

#    ifdef MIDI_ADVANCED

#        include "timer.h"

static uint8_t tone_status[MIDI_TONE_COUNT];

static uint8_t  midi_modulation;
static int8_t   midi_modulation_step;
static uint16_t midi_modulation_timer;
midi_config_t   midi_config;

inline uint8_t compute_velocity(uint8_t setting) { return (setting + 1) * (128 / (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN + 1)); }

void midi_init(void) {
    midi_config.octave              = MI_OCT_2 - MIDI_OCTAVE_MIN;
    midi_config.transpose           = 0;
    midi_config.velocity            = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN);
    midi_config.channel             = 0;
    midi_config.modulation_interval = 8;

    for (uint8_t i = 0; i < MIDI_TONE_COUNT; i++) {
        tone_status[i] = MIDI_INVALID_NOTE;
    }

    midi_modulation       = 0;
    midi_modulation_step  = 0;
    midi_modulation_timer = 0;
}

uint8_t midi_compute_note(uint16_t keycode) { return 12 * midi_config.octave + (keycode - MIDI_TONE_MIN) + midi_config.transpose; }

bool process_midi(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case MIDI_TONE_MIN ... MIDI_TONE_MAX: {
            uint8_t channel  = midi_config.channel;
            uint8_t tone     = keycode - MIDI_TONE_MIN;
            uint8_t velocity = compute_velocity(midi_config.velocity);
            if (record->event.pressed) {
                uint8_t note = midi_compute_note(keycode);
                midi_send_noteon(&midi_device, channel, note, velocity);
                dprintf("midi noteon channel:%d note:%d velocity:%d\n", channel, note, velocity);
                tone_status[tone] = note;
            } else {
                uint8_t note = tone_status[tone];
                if (note != MIDI_INVALID_NOTE) {
                    midi_send_noteoff(&midi_device, channel, note, velocity);
                    dprintf("midi noteoff channel:%d note:%d velocity:%d\n", channel, note, velocity);
                }
                tone_status[tone] = MIDI_INVALID_NOTE;
            }
            return false;
        }
        case MIDI_OCTAVE_MIN ... MIDI_OCTAVE_MAX:
            if (record->event.pressed) {
                midi_config.octave = keycode - MIDI_OCTAVE_MIN;
                dprintf("midi octave %d\n", midi_config.octave);
            }
            return false;
        case MI_OCTD:
            if (record->event.pressed && midi_config.octave > 0) {
                midi_config.octave--;
                dprintf("midi octave %d\n", midi_config.octave);
            }
            return false;
        case MI_OCTU:
            if (record->event.pressed && midi_config.octave < (MIDI_OCTAVE_MAX - MIDI_OCTAVE_MIN)) {
                midi_config.octave++;
                dprintf("midi octave %d\n", midi_config.octave);
            }
            return false;
        case MIDI_TRANSPOSE_MIN ... MIDI_TRANSPOSE_MAX:
            if (record->event.pressed) {
                midi_config.transpose = keycode - MI_TRNS_0;
                dprintf("midi transpose %d\n", midi_config.transpose);
            }
            return false;
        case MI_TRNSD:
            if (record->event.pressed && midi_config.transpose > (MIDI_TRANSPOSE_MIN - MI_TRNS_0)) {
                midi_config.transpose--;
                dprintf("midi transpose %d\n", midi_config.transpose);
            }
            return false;
        case MI_TRNSU:
            if (record->event.pressed && midi_config.transpose < (MIDI_TRANSPOSE_MAX - MI_TRNS_0)) {
                const bool positive = midi_config.transpose > 0;
                midi_config.transpose++;
                if (positive && midi_config.transpose < 0) midi_config.transpose--;
                dprintf("midi transpose %d\n", midi_config.transpose);
            }
            return false;
        case MIDI_VELOCITY_MIN ... MIDI_VELOCITY_MAX:
            if (record->event.pressed) {
                midi_config.velocity = keycode - MIDI_VELOCITY_MIN;
                dprintf("midi velocity %d\n", midi_config.velocity);
            }
            return false;
        case MI_VELD:
            if (record->event.pressed && midi_config.velocity > 0) {
                midi_config.velocity--;
                dprintf("midi velocity %d\n", midi_config.velocity);
            }
            return false;
        case MI_VELU:
            if (record->event.pressed) {
                midi_config.velocity++;
                dprintf("midi velocity %d\n", midi_config.velocity);
            }
            return false;
        case MIDI_CHANNEL_MIN ... MIDI_CHANNEL_MAX:
            if (record->event.pressed) {
                midi_config.channel = keycode - MIDI_CHANNEL_MIN;
                dprintf("midi channel %d\n", midi_config.channel);
            }
            return false;
        case MI_CHD:
            if (record->event.pressed) {
                midi_config.channel--;
                dprintf("midi channel %d\n", midi_config.channel);
            }
            return false;
        case MI_CHU:
            if (record->event.pressed) {
                midi_config.channel++;
                dprintf("midi channel %d\n", midi_config.channel);
            }
            return false;
        case MI_ALLOFF:
            if (record->event.pressed) {
                midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
                dprintf("midi all notes off\n");
            }
            return false;
        case MI_SUS:
            midi_send_cc(&midi_device, midi_config.channel, 0x40, record->event.pressed ? 127 : 0);
            dprintf("midi sustain %d\n", record->event.pressed);
            return false;
        case MI_PORT:
            midi_send_cc(&midi_device, midi_config.channel, 0x41, record->event.pressed ? 127 : 0);
            dprintf("midi portamento %d\n", record->event.pressed);
            return false;
        case MI_SOST:
            midi_send_cc(&midi_device, midi_config.channel, 0x42, record->event.pressed ? 127 : 0);
            dprintf("midi sostenuto %d\n", record->event.pressed);
            return false;
        case MI_SOFT:
            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
            dprintf("midi soft %d\n", record->event.pressed);
            return false;
        case MI_LEG:
            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
            dprintf("midi legato %d\n", record->event.pressed);
            return false;
        case MI_MOD:
            midi_modulation_step = record->event.pressed ? 1 : -1;
            return false;
        case MI_MODSD:
            if (record->event.pressed) {
                midi_config.modulation_interval++;
                // prevent overflow
                if (midi_config.modulation_interval == 0) midi_config.modulation_interval--;
                dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
            }
            return false;
        case MI_MODSU:
            if (record->event.pressed && midi_config.modulation_interval > 0) {
                midi_config.modulation_interval--;
                dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
            }
            return false;
        case MI_BENDD:
            if (record->event.pressed) {
                midi_send_pitchbend(&midi_device, midi_config.channel, -0x2000);
                dprintf("midi pitchbend channel:%d amount:%d\n", midi_config.channel, -0x2000);
            } else {
                midi_send_pitchbend(&midi_device, midi_config.channel, 0);
                dprintf("midi pitchbend channel:%d amount:%d\n", midi_config.channel, 0);
            }
            return false;
        case MI_BENDU:
            if (record->event.pressed) {
                midi_send_pitchbend(&midi_device, midi_config.channel, 0x1fff);
                dprintf("midi pitchbend channel:%d amount:%d\n", midi_config.channel, 0x1fff);
            } else {
                midi_send_pitchbend(&midi_device, midi_config.channel, 0);
                dprintf("midi pitchbend channel:%d amount:%d\n", midi_config.channel, 0);
            }
            return false;
    };

    return true;
}

#    endif  // MIDI_ADVANCED

void midi_task(void) {
    midi_device_process(&midi_device);
#    ifdef MIDI_ADVANCED
    if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval) return;
    midi_modulation_timer = timer_read();

    if (midi_modulation_step != 0) {
        dprintf("midi modulation %d\n", midi_modulation);
        midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation);

        if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) {
            midi_modulation      = 0;
            midi_modulation_step = 0;
            return;
        }

        midi_modulation += midi_modulation_step;

        if (midi_modulation > 127) midi_modulation = 127;
    }
#    endif
}

#endif  // MIDI_ENABLE