Some SDCard Samples work others not ,SdFat Lib about sdfat-beta

[greiman]

SDFAT Library 2.2.1 Adafruit fork

Contact Adafruit for support of their fork.

[greiman]

Your problem may be the flakiness of the ESP8266 hardware and the buggy SPI driver.

I request 50MHz SPI speed and the SPI driver should choose the highest supported speed. Often ESP boards fail.

Try editing examples and reduce the requested SPI speed. For example in the SdFormatter try 16 MHz. I use 16 MHz in SdInfo.

Here is place to edit.

[muekno]

Thank you, I will try, the solution looks meaningfull. Have a nice Sunday Kind regards Rainer

>> Bill Greiman ***@***.***> 21:32 28 Januar, 2023 >>>

Your problem may be the flakiness of the ESP8266 hardware and the buggy SPI driver. I request 50MHz SPI speed and the SPI driver should choose the highest supported speed. Often ESP boards fail. Try editing examples and reduce the requested SPI speed. For example in the SdFormatter try 16 MHz. I use 16 MHz in SdInfo. [Here](https://github.com/adafruit/SdFat/blob/5c0b73ada271658d64577738464a0ac2bf337a05/examples/SdFormatter/SdFormatter.ino#L40) is place to edit.

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