github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-08-20 21:33:19 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
* 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
This commit is contained in:
pwpiwi 2018-09-16 00:53:28 +02:00 • committed by GitHub
commit 6a5d4e17f4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
14 changed files with 212 additions and 321 deletions
Download patch file Download diff file Expand all files Collapse all files

2
armsrc/lfsampling.c
View file

@ -101,7 +101,7 @@ void LFSetupFPGAForADC(int divisor, bool lf_field)
// Give it a bit of time for the resonant antenna to settle.
SpinDelay(50);
// Now set up the SSC to get the ADC samples that are now streaming at us.
FpgaSetupSsc();
FpgaSetupSsc(FPGA_MAJOR_MODE_LF_ADC);
}
/**