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CinderSocketandgpt-daybreak-blue
71b558d6be
A transfer whose size is an exact multiple of the endpoint size ends with
a zero-length packet. Nothing acknowledged it, so that receive bank stayed
selected and data queued in the other bank stalled. A command already
buffered by usb_read_ng was also not recognised until another packet came
in. Both AT91 and AT32 reuse their receive cleanup to acknowledge the empty
packet and rearm reception; frame parsing is unchanged.
Seen as a small packet lost now and then right behind a burst of
CMD_HF_MIFARE_EML_MEMSET chunks from `hf mfdes eload`.
(cherry picked from cindersocket/proxmark3 495bc201d, upstream PR #3628)
Co-Authored-By: gpt-daybreak-blue <noreply@openai.com>