proxmark3/armsrc/lfsampling.h

82 lines
2.4 KiB
C
Raw Normal View History

#ifndef __LFSAMPLING_H
#define __LFSAMPLING_H
#include "common.h"
#include "pm3_cmd.h"
typedef struct BitstreamOut BitstreamOut;
/**
* acquisition of Cotag LF signal. Similar to other LF, since the Cotag has such long datarate RF/384
* and is Manchester?, we directly gather the manchester data into bigbuff
**/
void doCotagAcquisition(size_t sample_size);
uint32_t doCotagAcquisitionManchester(void);
/**
* acquisition of T55x7 LF signal. Similar to other LF, but adjusted with @marshmellows thresholds
* the data is collected in BigBuf.
**/
void doT55x7Acquisition(size_t sample_size);
/**
* Initializes the FPGA for reader-mode (field on), and acquires the samples.
* @return number of bits sampled
**/
uint32_t SampleLF(bool silent, int sample_size);
/**
2019-03-12 20:15:39 +08:00
* Initializes the FPGA for sniff-mode (field off), and acquires the samples.
* @return number of bits sampled
**/
2019-03-12 20:15:39 +08:00
uint32_t SniffLF();
// adds sample size to default options
uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size, uint32_t cancel_after);
/**
* @brief Does sample acquisition, ignoring the config values set in the sample_config.
* This method is typically used by tag-specific readers who just wants to read the samples
* the normal way
* @param trigger_threshold
* @param silent
* @return number of bits sampled
*/
uint32_t DoAcquisition_default(int trigger_threshold, bool silent);
/**
* @brief Does sample acquisition, using the config values set in the sample_config.
* @param trigger_threshold
* @param silent
* @return number of bits sampled
*/
uint32_t DoAcquisition_config(bool silent, int sample_size);
/**
* Setup the FPGA to listen for samples. This method downloads the FPGA bitstream
* if not already loaded, sets divisor and starts up the antenna.
2019-05-09 07:07:34 +08:00
* @param divisor : 1, 88> 255 or negative ==> 134.8 kHz
* 0 or 95 ==> 125 kHz
*
**/
void LFSetupFPGAForADC(int divisor, bool lf_field);
/**
* Called from the USB-handler to set the sampling configuration
2019-03-12 20:15:39 +08:00
* The sampling config is used for std reading and sniffing.
*
* Other functions may read samples and ignore the sampling config,
* such as functions to read the UID from a prox tag or similar.
*
* Values set to '0' implies no change (except for averaging)
* @brief setSamplingConfig
* @param sc
*/
void setSamplingConfig(sample_config *sc);
2019-03-10 07:00:59 +08:00
sample_config *getSamplingConfig();
void printConfig();
#endif // __LFSAMPLING_H