From: pwpiwi <pwpiwi@users.noreply.github.com>
Date: Sat, 15 Sep 2018 22:53:28 +0000 (+0200)
Subject:  rework iso14443b device functions including FPGA I/Q signal transfer (#669)
X-Git-Tag: v3.1.0~20
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/6a5d4e17f4afe29f84308fe5ca78782233d7b611?hp=6a5d4e17f4afe29f84308fe5ca78782233d7b611

 rework iso14443b device functions including FPGA I/Q signal transfer (#669)

* rework iso14443b device functions
* hf_read_rx_xcorr.v: transfer i/q pair in one 16bit frame
* hi_read_tx.v: invert ssp_dout. When nothing is transferred (ssp_dout=0), this results in no modulation (carrier on)
* adjust arm sources accordingly
* iso14443b.c: switch off carrier after hf 14b sri512read and hf 14b srix4kread
* iso14443b.c: fix DMA circular buffer handling
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