49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include "extra_mappings.h"
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// Maps fft columns to leds.
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// fft_col_to_array[i] returns an array of leds in the ith bin of the fft.
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// Negative indices are "invisible" leds.
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// Use them when your keyboard has gaps.
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//
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// This layout is for the Ergodox EZ.
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const int8_t fft_col_to_array[10][5] = {
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{ 47, 43, 38, 33, 28 },
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{ 46, 42, 37, 32, 27 },
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{ 45, 41, 36, 31, 26 },
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{ 44, 40, 35, 30, 25 },
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{ -1, 39, 34, 29, 24 },
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{ -1, 15, 10, 5, 0 },
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{ 20, 16, 11, 6, 1 },
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{ 21, 17, 12, 7, 2 },
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{ 22, 18, 13, 8, 3 },
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{ 23, 19, 14, 9, 4 }
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};
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// This is the inverse of fft_col_to_array.
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//
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// Each number represets a bin and a height:
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// x % bin_height = height,
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// x / bin_height = bin
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//
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// Indices are [col][row].
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const int8_t fft_array_to_col[4][14] = {
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// Right side
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{ 29, 34, 39, 44, 49,
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28, 33, 38, 43, 48,
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27, 32, 37, 42},{47,
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26, 31, 36, 41, 46,
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30, 35, 40, 45,
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// Left side, mirrored
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24, 19, 14, 9},{ 4,
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23, 18, 13, 8, 3,
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22, 17, 12, 7, 2,
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21, 16, 11},{ 6, 1,
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20, 15, 10, 5, 0,
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// No keys here, fill array length
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0, 0, 0, 0, 0, 0, 0}
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};
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