Add support in SimpleMFRC522 to read or write any sector #24
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@death-droid Figured this would be a handy addition back in the main line. Lots of changes in formatting since PyCharm did that automatically with code formatting.
The actual changes are pretty minimal. Just added optional parameters to the read and write methods to specify the user blocks and trailer block on each call. They can then be used to write more than a total of 48 bytes to the chip.
e.g: https://github.com/declanshanaghy/gwent/blob/645d1fa7410e7f28a247d49db28ebb75f2a679e1/software/gwent/gwent/hal/mfrc522_entrypoints.py