Yuu Kobayashi
Nucleo F401REでFM音源を実装するやつ 外部DACとオペアンプを利用 現在はMCP4922とNJM2737
Dependencies: AOTTrigon I2CEEPROM MCP4922 AQM0802A mbed
Fork of
NuMidi401
by 
Yuu Kobayashi
NuFM401
Nucleo F401用の自作ソフトウェアMIDI音源
概要
だいたいそんなもんです。
特徴
- ブレッドボードの上で組める程度には簡単な回路構成
- 外部のDACにMCP4922を採用
- 念のためのボルテージフォロアとしてNJM2737Dを採用
- バンク用EEPROMに24FC1025を採用
- シリアル経由でMIDIデータを受信することで操作
補足
シリアル <=> MIDI のドライバにはHairless-MIDISerialをオススメします。 仮想MIDIケーブルはとりあえずMIDI Yokeで。
Diff: FMOscillator/MIDIUtil.cpp
- Revision:
- 13:e11380ceb460
- Parent:
- 10:0ffdefe75566
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FMOscillator/MIDIUtil.cpp Sat Jan 17 03:57:58 2015 +0000
@@ -0,0 +1,131 @@
+
+float notenumfreqs[]={
+ 8.175799f,
+ 8.661957f,
+ 9.177024f,
+ 9.722718f,
+ 10.300861f,
+ 10.913382f,
+ 11.562326f,
+ 12.249857f,
+ 12.978272f,
+ 13.750000f,
+ 14.567618f,
+ 15.433853f,
+ 16.351598f,
+ 17.323914f,
+ 18.354048f,
+ 19.445436f,
+ 20.601722f,
+ 21.826764f,
+ 23.124651f,
+ 24.499715f,
+ 25.956544f,
+ 27.500000f,
+ 29.135235f,
+ 30.867706f,
+ 32.703196f,
+ 34.647829f,
+ 36.708096f,
+ 38.890873f,
+ 41.203445f,
+ 43.653529f,
+ 46.249303f,
+ 48.999429f,
+ 51.913087f,
+ 55.000000f,
+ 58.270470f,
+ 61.735413f,
+ 65.406391f,
+ 69.295658f,
+ 73.416192f,
+ 77.781746f,
+ 82.406889f,
+ 87.307058f,
+ 92.498606f,
+ 97.998859f,
+ 103.826174f,
+ 110.000000f,
+ 116.540940f,
+ 123.470825f,
+ 130.812783f,
+ 138.591315f,
+ 146.832384f,
+ 155.563492f,
+ 164.813778f,
+ 174.614116f,
+ 184.997211f,
+ 195.997718f,
+ 207.652349f,
+ 220.000000f,
+ 233.081881f,
+ 246.941651f,
+ 261.625565f,
+ 277.182631f,
+ 293.664768f,
+ 311.126984f,
+ 329.627557f,
+ 349.228231f,
+ 369.994423f,
+ 391.995436f,
+ 415.304698f,
+ 440.000000f,
+ 466.163762f,
+ 493.883301f,
+ 523.251131f,
+ 554.365262f,
+ 587.329536f,
+ 622.253967f,
+ 659.255114f,
+ 698.456463f,
+ 739.988845f,
+ 783.990872f,
+ 830.609395f,
+ 880.000000f,
+ 932.327523f,
+ 987.766603f,
+ 1046.502261f,
+ 1108.730524f,
+ 1174.659072f,
+ 1244.507935f,
+ 1318.510228f,
+ 1396.912926f,
+ 1479.977691f,
+ 1567.981744f,
+ 1661.218790f,
+ 1760.000000f,
+ 1864.655046f,
+ 1975.533205f,
+ 2093.004522f,
+ 2217.461048f,
+ 2349.318143f,
+ 2489.015870f,
+ 2637.020455f,
+ 2793.825851f,
+ 2959.955382f,
+ 3135.963488f,
+ 3322.437581f,
+ 3520.000000f,
+ 3729.310092f,
+ 3951.066410f,
+ 4186.009045f,
+ 4434.922096f,
+ 4698.636287f,
+ 4978.031740f,
+ 5274.040911f,
+ 5587.651703f,
+ 5919.910763f,
+ 6271.926976f,
+ 6644.875161f,
+ 7040.000000f,
+ 7458.620184f,
+ 7902.132820f,
+ 8372.018090f,
+ 8869.844191f,
+ 9397.272573f,
+ 9956.063479f,
+ 10548.081821f,
+ 11175.303406f,
+ 11839.821527f,
+ 12543.853951f
+};
\ No newline at end of file