microSD card reading

All ESP8266 boards running MicroPython.
Official boards are the Adafruit Huzzah and Feather boards.
Target audience: MicroPython users with an ESP8266 board.
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RobH
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Re: microSD card reading

Post by RobH » Fri Aug 28, 2020 11:41 am

jakub st wrote: ↑
Sun Nov 04, 2018 8:05 pm
 Hello,
is there any option to use this code for 2GB cards ?
I've got a whole bunch of such SD cards I really want to use in my projects.
I've tried several format options but without success.
After almost 2 years the issue seems still not resolved.
Although 2GB cards may not be popular anymore these days I have a couple of these which are still useful to me and sufficient for my purpose. But all fail with either EIO (line 237 in sdcard.py) or ENODEV (with os.mount()). I tested with the latest version of sdcard.py and a PyBoard 1.1 and 'black-pill' (STM32F411CEU6) with micropython 1.12-675.
No problems with several larger size cards (I have no smaller).
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RobH
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Re: microSD card reading

Post by RobH » Sun Dec 13, 2020 9:06 am

The machine.SDCard class of the ESP32 port (v1.13) works fine, also with 2GB cards.
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