ESP32 Forum • ULP uart send/receive

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ULP uart send/receive

Posted: Mon May 27, 2019 10:49 am

by dacitt

Hi all,
are there any examples about using UART in ULP mode? I need to send/receive simple packets during light sleep. Is it possible?

Thanks!!

Re: ULP uart send/receive

Posted: Tue Jun 04, 2019 5:49 pm

by sch0bert

UART is not supported by ULP, only ADC and I2C.

Re: ULP uart send/receive

Posted: Wed Jun 05, 2019 1:33 am

by WiFive

sch0bert wrote: ↑
Tue Jun 04, 2019 5:49 pm
UART is not supported by ULP, only ADC and I2C.

True but you could implement it in software