are there alternative ways to enter UART programming mode?

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jaldunate
Posts: 3
Joined: Tue May 14, 2019 12:55 pm

are there alternative ways to enter UART programming mode?

Postby jaldunate » Mon Aug 26, 2019 1:27 pm

I managed to destroy GPIO0 pin on my board. I have a backup one, but I feel sad about bricked computers. Is there an alternative way to enter programming mode other than reset while GPIO0 is enabled?
Searching online didn't yield much hope.
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ESP_Sprite
Posts: 9582
Joined: Thu Nov 26, 2015 4:08 am

Re: are there alternative ways to enter UART programming mode?

Postby ESP_Sprite » Tue Aug 27, 2019 3:20 am

No, sorry. The hardware and ROM hard-check for GPIO0.
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WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: are there alternative ways to enter UART programming mode?

Postby WiFive » Tue Aug 27, 2019 3:40 am

But you could program the flash chip directly from another esp32 or spi programmer
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ESP_Sprite
Posts: 9582
Joined: Thu Nov 26, 2015 4:08 am

Re: are there alternative ways to enter UART programming mode?

Postby ESP_Sprite » Tue Aug 27, 2019 6:20 am

Ooooh, that's a viable option indeed.
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jaldunate
Posts: 3
Joined: Tue May 14, 2019 12:55 pm

Re: are there alternative ways to enter UART programming mode?

Postby jaldunate » Tue Aug 27, 2019 6:57 am

WiFive wrote: But you could program the flash chip directly from another esp32 or spi programmer
Genius! thank you
when I get time I will research and try that
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