用于计算定时器初值

2024-07-16 00:25:13 +08:00
parent c5e448b3a6
commit 6ce65791ab
4 changed files with 517 additions and 0 deletions
--- a/other/note_data.txt
+++ b/other/note_data.txt
@@ -0,0 +1,86 @@
+note	frequency	wave_length
+C0	16.35	2109.89
+C#0	17.32	1991.47
+D0	18.35	1879.69
+D#0	19.45	1774.2
+E0	20.60	1674.62
+F0	21.83	1580.63
+F#0	23.12	1491.91
+G0	24.50	1408.18
+G#0	25.96	1329.14
+A0	27.50	1254.55
+A#0	29.14	1184.13
+B0	30.87	1117.67
+C1	32.70	1054.94
+C#1	34.65	995.73
+D1	36.71	939.85
+D#1	38.89	887.1
+E1	41.20	837.31
+F1	43.65	790.31
+F#1	46.25	745.96
+G1	49.00	704.09
+G#1	51.91	664.57
+A1	55.00	627.27
+A#1	58.27	592.07
+B1	61.74	558.84
+C2	65.41	527.47
+C#2	69.30	497.87
+D2	73.42	469.92
+D#2	77.78	443.55
+E2	82.41	418.65
+F2	87.31	395.16
+F#2	92.50	372.98
+G2	98.00	352.04
+G#2	103.83	332.29
+A2	110.00	313.64
+A#2	116.54	296.03
+B2	123.47	279.42
+C3	130.81	263.74
+C#3	138.59	248.93
+D3	146.83	234.96
+D#3	155.56	221.77
+E3	164.81	209.33
+F3	174.61	197.58
+F#3	185.00	186.49
+G3	196.00	176.02
+G#3	207.65	166.14
+A3	220.00	156.82
+A#3	233.08	148.02
+B3	246.94	139.71
+C4	261.63	131.87
+C#4	277.18	124.47
+D4	293.66	117.48
+D#4	311.13	110.89
+E4	329.63	104.66
+F4	349.23	98.79
+F#4	369.99	93.24
+G4	392.00	88.01
+G#4	415.30	83.07
+A4	440.00	78.41
+A#4	466.16	74.01
+B4	493.88	69.85
+C5	523.25	65.93
+C#5	554.37	62.23
+D5	587.33	58.74
+D#5	622.25	55.44
+E5	659.25	52.33
+F5	698.46	49.39
+F#5	739.99	46.62
+G5	783.99	44.01
+G#5	830.61	41.54
+A5	880.00	39.2
+A#5	932.33	37
+B5	987.77	34.93
+C6	1046.50	32.97
+C#6	1108.73	31.12
+D6	1174.66	29.37
+D#6	1244.51	27.72
+E6	1318.51	26.17
+F6	1396.91	24.7
+F#6	1479.98	23.31
+G6	1567.98	22
+G#6	1661.22	20.77
+A6	1760.00	19.6
+A#6	1864.66	18.5
+B6	1975.53	17.46
+C7	2093.00	1