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small LED performance improvement

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I've done some experiments, and it seems that using I2S#1 as the _third_ bus improves fps with 3, 4 and 5 LED pins
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Frank
2023-05-15 21:17:21 +02:00
parent 6d23eb6874
commit 2e6d58fc70
1 changed files with 1 additions and 1 deletions
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wled00/bus_wrapper.h
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@@ -935,7 +935,7 @@ class PolyBus {
#else
// ESP32 "audio_fastpath" - 8 RMT and 1 I2S channels. RMT 5-8 have sending delays, so use I2S#1 as 5th bus, before going for RMT 5-8
if (num > 8) return I_NONE;
if (num == 4) offset = 2; // use I2S channel 2 as 5th bus. Ladies and Gentlemen, _this_ is a dirty hack.
if (num == 2) offset = 2; // use I2S channel 2 as 3rd bus - seems to be a good compromise for performance
#endif
#endif
switch (busType) {