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ESP8266: PWM glitches when doing DHT measure #6945

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EddieParis opened this issue Feb 21, 2021 · 0 comments · May be fixed by #6946
Open

ESP8266: PWM glitches when doing DHT measure #6945

EddieParis opened this issue Feb 21, 2021 · 0 comments · May be fixed by #6946
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@EddieParis
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When using a PWM channel in parallel of a DHT measure, there can be some glitches on the PWM channel at the measure time. This is because the DHT drivers locks interrupts for accurate protocol timing handling, and the PWM driver relies on these interrupts.
@EddieParis EddieParis linked a pull request Feb 21, 2021 that will close this issue
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Wind-stormger pushed a commit to BPI-STEAM/micropython that referenced this issue Oct 13, 2022
@dhalbert
Merge pull request micropython#6945 from flom84/main
b8c8e85 
Add circuitpython support for STM Nucleo-F446RE development board.
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Add option in DHT driver to do the measure without blocking interrupts EddieParis/micropython
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@dpgeorge @EddieParis