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GEQ: use full frequency range

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also when user wants less than 16 bands.
Previously when users selected fewer bands (like 4 instead of 16), only the lowest freq channels were displayed.
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Frank 2022-08-28 13:33:48 +02:00
parent 5c792eb869
commit 6019b7bda4
1 changed files with 1 additions and 0 deletions
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wled00/FX.cpp
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@ -7109,6 +7109,7 @@ uint16_t mode_2DGEQ(void) { // By Will Tatam. Code reduction by Ewoud Wijma.
for (int x=0; x < cols; x++) { for (int x=0; x < cols; x++) {
uint8_t band = map(x, 0, cols-1, 0, NUM_BANDS - 1); uint8_t band = map(x, 0, cols-1, 0, NUM_BANDS - 1);
if (NUM_BANDS < 16) band = map(band, 0, NUM_BANDS - 1, 0, 15); // always use full range. comment out this line to get the previous behaviour.
band = constrain(band, 0, 15); band = constrain(band, 0, 15);
uint16_t colorIndex = band * 17; uint16_t colorIndex = band * 17;
uint16_t barHeight = map(fftResult[band], 0, 255, 0, rows); // do not subtract -1 from rows here uint16_t barHeight = map(fftResult[band], 0, 255, 0, rows); // do not subtract -1 from rows here