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Added WMEDMM_SLOWPATH to force RMT for stability

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Troy
2024-04-19 16:58:35 -04:00
parent 34f4905e0b
commit 56cdfac007
1 changed files with 14 additions and 6 deletions
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20
wled00/bus_wrapper.h
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@@ -1179,14 +1179,22 @@ class PolyBus {
#else
// standard ESP32 has 8 RMT and 2 I2S channels
#ifndef WLEDMM_FASTPATH
if (num > 9) return I_NONE;
if (num == 8) offset = 2; // first use I2S#1 (so #0 stays available for audio)
if (num == 9) offset = 1; // use I2S#0 as the last driver
#ifdef WLEDMM_SLOWPATH // I2S flickers on large installs. Favor stability over framerate.
if (num > 7) return I_NONE;
#else
if (num == 8) offset = 2; // first use I2S#1 (so #0 stays available for audio)
if (num == 9) offset = 1; // use I2S#0 as the last driver
if (num > 9) return I_NONE;
#endif
#else
// ESP32 "audio_fastpath" - 8 RMT and 1 I2S channels. RMT 5-8 have sending delays, so use I2S#1 before going for RMT 5-8
if (num > 8) return I_NONE;
if (num == 1) offset = 2; // use I2S#1 as 2nd bus - seems to be a good compromise for performance, and reduces flickering for some users
//if (num == 0) offset = 2; // un-comment to use I2S#1 as 1st bus - sometimes helps, if you experience flickering during Wifi or filesystem activity.
#ifdef WLEDMM_SLOWPATH // I2S flickers on large installs. Favor stability over framerate.
if (num > 7) return I_NONE;
#else
if (num > 8) return I_NONE;
if (num == 1) offset = 2; // use I2S#1 as 2nd bus - seems to be a good compromise for performance, and reduces flickering for some users
// if (num == 0) offset = 2; // un-comment to use I2S#1 as 1st bus - sometimes helps, if you experience flickering during Wifi or filesystem activity.
#endif
#endif
#endif
switch (busType) {