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Implemented new optimized version of MAC-calculation for iclass

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This commit is contained in:
Martin Holst Swende 2015-02-26 20:35:35 +01:00
commit 10a8875c72
7 changed files with 9 additions and 698 deletions
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9
armsrc/lfsampling.c
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@ -12,7 +12,7 @@
#include "string.h"
#include "lfsampling.h"
#include "cipherutils.h"
sample_config config = { 1, 8, 1, 95, 0 } ;
void printConfig()
@ -55,20 +55,19 @@ sample_config* getSamplingConfig()
{
return &config;
}
/*
typedef struct {
uint8_t * buffer;
uint32_t numbits;
uint32_t position;
} BitstreamOut;
*/
/**
* @brief Pushes bit onto the stream
* @param stream
* @param bit
*/
/*void pushBit( BitstreamOut* stream, uint8_t bit)
void pushBit( BitstreamOut* stream, uint8_t bit)
{
int bytepos = stream->position >> 3; // divide by 8
int bitpos = stream->position & 7;
@ -76,7 +75,7 @@ typedef struct {
stream->position++;
stream->numbits++;
}
*/
/**
* Setup the FPGA to listen for samples. This method downloads the FPGA bitstream
* if not already loaded, sets divisor and starts up the antenna.