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v1_lab3
Fork of DACandticker_sample by
sineTable.h@0:5307f49cd305, 2017-02-01 (annotated)
- Committer:
- WilliamMarshQMUL
- Date:
- Wed Feb 01 13:38:02 2017 +0000
- Revision:
- 0:5307f49cd305
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WilliamMarshQMUL | 0:5307f49cd305 | 1 | // Look up table for a sine wave as 16 bits |
WilliamMarshQMUL | 0:5307f49cd305 | 2 | // Note that it is possible to construct the full period from |
WilliamMarshQMUL | 0:5307f49cd305 | 3 | // the first quarter, but the code is more complex |
WilliamMarshQMUL | 0:5307f49cd305 | 4 | // |
WilliamMarshQMUL | 0:5307f49cd305 | 5 | // These number were calcuated using a spreadsheet |
WilliamMarshQMUL | 0:5307f49cd305 | 6 | const uint16_t sine[] = { |
WilliamMarshQMUL | 0:5307f49cd305 | 7 | 32768, 35980, 39161, 42280, 45308, 48215, 50973, 53556, |
WilliamMarshQMUL | 0:5307f49cd305 | 8 | 55938, 58098, 60014, 61667, 63042, 64125, 64906, 65378, |
WilliamMarshQMUL | 0:5307f49cd305 | 9 | 65535, 65378, 64906, 64125, 63042, 61667, 60014, 58098, |
WilliamMarshQMUL | 0:5307f49cd305 | 10 | 55938, 53556, 50973, 48215, 45308, 42280, 39161, 35980, |
WilliamMarshQMUL | 0:5307f49cd305 | 11 | 32768, 29556, 26375, 23256, 20228, 17321, 14563, 11980, |
WilliamMarshQMUL | 0:5307f49cd305 | 12 | 9598, 7438, 5522, 3869, 2494, 1411, 630, 158, |
WilliamMarshQMUL | 0:5307f49cd305 | 13 | 0, 158, 630, 1411, 2494, 3869, 5522, 7438, |
WilliamMarshQMUL | 0:5307f49cd305 | 14 | 9598, 11980, 14563, 17321, 20228, 23256, 26375, 29556 |
WilliamMarshQMUL | 0:5307f49cd305 | 15 | } ; |