Code for the electronic recorder project
| Key of C | C | C# | D | Eb | E | F | F# | G | G# | A | Bb | B | C | C# | D | Eb | E | F | F# | G | G# | A | Bb | B | C | C# | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value: | 255 | 254 | 254 | 252 | 252 | 251 | 246 | 240 | 236 | 224 | 216 | 192 | 160 | 96 | 32 | 62 | 124 | 122 | 116 | 112 | 104 | 96 | 102 | 108 | 76 | 90 | 90 |
| MIDI: | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 |
| 2^7 (128) | x | x | x | x | x | x | x | x | x | x | x | x | x | o | o | o | / | / | / | / | / | / | / | / | / | / | / |
| 2^6 (64) | x | x | x | x | x | x | x | x | x | x | x | x | o | x | o | o | x | x | x | x | x | x | x | x | x | x | x |
| 2^5 (32) | x | x | x | x | x | x | x | x | x | x | o | o | x | x | x | x | x | x | x | x | x | x | x | x | o | o | o |
| 2^4 (16) | x | x | x | x | x | x | x | x | o | o | x | o | o | o | o | x | x | x | x | x | o | o | o | o | o | x | x |
| 2^3 (8) | x | x | x | x | x | x | o | o | x | o | x | o | o | o | o | x | x | x | o | o | x | o | o | x | x | x | x |
| 2^2 (4) | x | x | x | x | x | o | x | o | x | o | o | o | o | o | o | x | x | o | x | o | o | o | x | x | x | o | o |
| 2^1 (2) | x | x | x | / | o | x | x | o | / | o | o | o | o | o | o | x | o | x | o | o | o | o | x | o | o | x | x |
| 2^0 (1) | x | / | o | o | o | x | o | o | o | o | o | o | o | o | o | o | o | o | o | o | o | o | / | o | o | x' | / |
o = open x = closed / = partial open ' = close bell with knee
The instrument select requires that a channel already be selected, eg; by playing a note.
The MIDI chip keeps a memory of all of the commands, so if it's not doing what you think, it may be time to reset the chip and get back to a "fresh" state.
Music Maker
Adafruit VS1053
Adafruit MIDI
Other MIDI