Looking to restore Arduino to HUZZAH32 Feather

justinmreina
Posts: 26
Joined: Tue Jul 18, 2017 10:39 pm

Looking to restore Arduino to HUZZAH32 Feather

Postby justinmreina » Fri Aug 11, 2017 6:50 pm

I have an Adafruit HUZZAH32 Feather which I have flashed clean with JTAG. I wanted to restore for Arduino use, how is this done?

I was thinking you can use the 'ESP32 DownloadTool' in the Espressif Flash Download Tool v3.4.8, is this possible?

f.h-f.s.
Posts: 214
Joined: Thu Dec 08, 2016 2:53 pm

Re: Looking to restore Arduino to HUZZAH32 Feather

Postby f.h-f.s. » Fri Aug 11, 2017 9:07 pm

it is as simple as building and flashing with the arduino ide. No need for the download tool

justinmreina
Posts: 26
Joined: Tue Jul 18, 2017 10:39 pm

Re: Looking to restore Arduino to HUZZAH32 Feather

Postby justinmreina » Fri Aug 11, 2017 9:38 pm

My goodness, it was just that the speeds were too high.

Original: 921600/80MHz
Working: 115200/40MHz

Thanks for the input and the nudge, now I am back up and running! :)

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kolban
Posts: 1683
Joined: Mon Nov 16, 2015 4:43 pm
Location: Texas, USA

Re: Looking to restore Arduino to HUZZAH32 Feather

Postby kolban » Fri Aug 11, 2017 11:23 pm

Speeds are interesting. I am running with 95% first time flash using 921600. I am using 12 inch USB cables between my ESP32s and a powered USB hub. Just an FYI.
Free book on ESP32 available here: https://leanpub.com/kolban-ESP32

f.h-f.s.
Posts: 214
Joined: Thu Dec 08, 2016 2:53 pm

Re: Looking to restore Arduino to HUZZAH32 Feather

Postby f.h-f.s. » Sat Aug 12, 2017 7:10 am

it really depends on the board.
On my DOIT I can do 921600 when it's cold, when it is warm it fails 2 out of 3 times.
My Pycom lopy can handle 2m baud, 80mhz QIO flash. Hooked up on a 3m very old usb cable. And has never failed me.

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