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Fix plugins for ESP32 calling pinMode often #4165

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TD-er opened this issue Jul 29, 2022 · 2 comments
Open
3 of 9 tasks

Fix plugins for ESP32 calling pinMode often #4165

TD-er opened this issue Jul 29, 2022 · 2 comments
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Category: Plugin Related to supported sensors Category: Stabiliy Things that work, but not as long as desired Platform: ESP32-S2 ESP32-S2 Specific Platform: ESP32 ESP32 classic and ESP32-xx based devices

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@TD-er
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TD-er commented Jul 29, 2022 •
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The Dallas plugins were reported to no longer work since ESP32 SDK 2.0.3. (see: #4164 )
Apparently the time needed to switch pin mode now takes 16 usec instead of 4 usec it was before.

Since the 1Wire protocol needs to toggle quite often between input and output mode on the same GPIO, this really makes a difference.

There are probably more plugins suffering from the same issues.

Plugins to test/check:

Fixes: #4026
Fixes: #2745
@TD-er TD-er added Category: Plugin Related to supported sensors Platform: ESP32 ESP32 classic and ESP32-xx based devices Category: Stabiliy Things that work, but not as long as desired Platform: ESP32-S2 ESP32-S2 Specific labels Jul 29, 2022
@tonhuisman
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tonhuisman commented Jul 29, 2022 •
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Tested 7DGT (P073) on an ESP32s2 and that is working as intended 👍, without fixes or patches applied.

@tonhuisman
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Tested ST77xx with a ST7789 320x240 display using an ESP32, and that's also working as expected.

I guess the display-related devices aren't very timing-critical.

This was referenced Jul 29, 2022
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Category: Plugin Related to supported sensors Category: Stabiliy Things that work, but not as long as desired Platform: ESP32-S2 ESP32-S2 Specific Platform: ESP32 ESP32 classic and ESP32-xx based devices
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