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mifare_desfire: increase baud rate to maximum #134

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@mtdcr mtdcr commented Sep 14, 2020

The DESFire family can handle 848 kbit/s.

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mtdcr commented Mar 15, 2021

Apparently this doesn't work with acr122_usb.

@mtdcr mtdcr closed this Mar 15, 2021
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smortex commented Mar 16, 2021

According to the first product specification, this speed is not supported:

Fast data transfer: 106 kbit/s, 212 kbit/s, 424 kbit/s

Some kind of mechanism which would permit the user to select a faster speed in favor of a "default safe" one might be a good addition, but I think it's not good to operate above 424kbit/s by default.

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