write CRC after single block #1
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From what I understand, the card is supposed to respond with a data_response directly after a data block + CRC. The standard doesn't make it perfectly clear that a CRC is always needed.
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From what I understand, the card is supposed to respond with a data_response directly after a data block + CRC. The standard doesn't make it perfectly clear that a CRC is always needed.
Might be a good idea to also update your excellent AVR C tutorial here as well: http://www.rjhcoding.com/avrc-sd-interface-4.php