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MMC - debug features

This component provides a CADI interface for viewing internal registers.

Use the p_diagnostics parameter to select the level of diagnostic output, to help to debug device driver and controller-to-card protocol issues:

Level 0
None.
Level 1
Warnings about attempting to change read-only settings.
Level 2
Trace of command calls.
Level 3
Information about every step in the MMC_Protocol interaction.
Level 4
Hex dump of every block sent or received.

See the source code for details.