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fix 'hf iclass reader'

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* code deduplication. Use functions from iso15693.c
* speedup CodeIso15693AsReader()
* invert reader command coding. 0 now means 'unmodulated' ( = field on)
* decode SOF only as a valid tag response in Handle15693SamplesFromTag()
* complete decoding of EOF in Handle15693SamplesFromTag()
* determine and write correct times to trace
* FPGA-change: generate shorter frame signal to allow proper sync in StartCountSspClk()
* modify StartCountSspClk() for 16bit SSC transfers
* whitespace in util.c
* add specific LogTrace_ISO15693() with scaled down duration. Modify cmdhflist.c accordingly.
* allow 'hf 15 raw' with single byte commands
* check for buffer overflow, card timeout and single SOF in 'hf 15 raw'
This commit is contained in:
pwpiwi 2019-10-16 09:36:37 +02:00
parent b41be3cb11
commit c41dd5f9f6
9 changed files with 446 additions and 535 deletions
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fpga/fpga_hf.bit
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fpga/hi_reader.v
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@ -247,9 +247,9 @@ begin
// set ssp_frame signal for corr_i_cnt = 1..3
// (send one frame with 16 Bits)
if (corr_i_cnt == 6'd2)
if (corr_i_cnt == 6'd1)
ssp_frame <= 1'b1;
if (corr_i_cnt == 6'd14)
if (corr_i_cnt == 6'd5)
ssp_frame <= 1'b0;
end