f092c21bf6
Differential Revision: https://reviews.freebsd.org/D36195 MFC after: 1 week Sponsored by: NVIDIA Networking
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2022 Goran Mekić
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include "ossmidi.h"
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int
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main()
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{
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midi_event_t event;
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midi_config_t midi_config;
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int l = -1;
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unsigned char raw;
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midi_config.device = "/dev/umidi1.0";
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oss_midi_init(&midi_config);
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while ((l = read(midi_config.fd, &raw, sizeof(raw))) != -1) {
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if (!(raw & 0x80)) {
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continue;
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}
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event.type = raw & CMD_MASK;
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event.channel = raw & CHANNEL_MASK;
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switch (event.type) {
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case NOTE_ON:
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case NOTE_OFF:
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case CONTROLER_ON:
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if ((l = read(midi_config.fd, &(event.note), sizeof(event.note))) == -1) {
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perror("Error reading MIDI note");
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exit(1);
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}
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if ((l = read(midi_config.fd, &(event.velocity), sizeof(event.velocity))) == -1) {
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perror("Error reading MIDI velocity");
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exit(1);
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}
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break;
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}
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switch (event.type) {
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case NOTE_ON:
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case NOTE_OFF:
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printf("Channel %d, note %d, velocity %d\n", event.channel, event.note, event.velocity);
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break;
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case CONTROLER_ON:
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printf("Channel %d, controller %d, value %d\n", event.channel, event.controller, event.value);
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break;
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default:
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printf("Unknown event type %d\n", event.type);
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}
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}
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return 0;
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}
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