AnsweredAssumed Answered

SD Card support issues

Question asked by Mike Spenard on Jan 28, 2020
Latest reply on Feb 14, 2020 by Jing Pan

Hi Gents,

 I'm trying to use the following common SD Card with the Eval kit and SDcard SDK example code. However, it is working inconsistently. Failing ~50% of the time.

Could someone explain what the issue and/or limitation is here with these cards?

 


https://www.amazon.com/gp/product/B003HIWHN0/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

 

 

(WORKING)------------

FATFS example to demonstrate how to use FATFS with SD card.

Please insert a card into board.

Card inserted.

Make file system......The time may be long if the card capacity is big.

Create directory......

Create a file in that directory......

Create a directory in that directory......

List the file in that directory......
General file : F_1.DAT.
Directory file : DIR_2.

Write/read file until encounters error......

Write to above created file.
Read from above created file.
Compare the read/write content......
The read/write content is consistent.

Input 'q' to quit read/write.
Input other char to read/write file again.

 

(FAILURE)----------------------
FATFS example to demonstrate how to use FATFS with SD card.

Please insert a card into board.

Card inserted.

Make file system......The time may be long if the card capacity is big.

Create directory......
Make directory failed.

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