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86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
#ifndef __LFSAMPLING_H
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#define __LFSAMPLING_H
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#include "proxmark3.h"
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#include "apps.h"
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#include "util.h"
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#include "string.h"
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#include "usb_cdc.h" // for usb_poll_validate_length
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#include "ticks.h" // for StartTicks
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typedef struct BitstreamOut BitstreamOut;
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/**
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* acquisition of Cotag LF signal. Similar to other LF, since the Cotag has such long datarate RF/384
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* and is Manchester?, we directly gather the manchester data into bigbuff
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**/
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void doCotagAcquisition(size_t sample_size);
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uint32_t doCotagAcquisitionManchester(void);
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/**
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* acquisition of T55x7 LF signal. Similar to other LF, but adjusted with @marshmellows thresholds
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* the data is collected in BigBuf.
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**/
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void doT55x7Acquisition(size_t sample_size);
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/**
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* Initializes the FPGA for reader-mode (field on), and acquires the samples.
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* @return number of bits sampled
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**/
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uint32_t SampleLF(bool silent, int sample_size);
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/**
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* Initializes the FPGA for snoop-mode (field off), and acquires the samples.
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* @return number of bits sampled
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**/
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uint32_t SnoopLF();
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// adds sample size to default options
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uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size);
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/**
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* @brief Does sample acquisition, ignoring the config values set in the sample_config.
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* This method is typically used by tag-specific readers who just wants to read the samples
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* the normal way
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* @param trigger_threshold
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* @param silent
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* @return number of bits sampled
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*/
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uint32_t DoAcquisition_default(int trigger_threshold, bool silent);
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/**
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* @brief Does sample acquisition, using the config values set in the sample_config.
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* @param trigger_threshold
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* @param silent
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* @return number of bits sampled
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*/
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uint32_t DoAcquisition_config(bool silent, int sample_size);
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/**
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* Setup the FPGA to listen for samples. This method downloads the FPGA bitstream
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* if not already loaded, sets divisor and starts up the antenna.
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* @param divisor : 1, 88> 255 or negative ==> 134.8 KHz
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* 0 or 95 ==> 125 KHz
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*
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**/
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void LFSetupFPGAForADC(int divisor, bool lf_field);
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/**
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* Called from the USB-handler to set the sampling configuration
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* The sampling config is used for std reading and snooping.
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*
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* Other functions may read samples and ignore the sampling config,
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* such as functions to read the UID from a prox tag or similar.
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*
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* Values set to '0' implies no change (except for averaging)
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* @brief setSamplingConfig
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* @param sc
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*/
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void setSamplingConfig(sample_config *sc);
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sample_config * getSamplingConfig();
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void printConfig();
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#endif // __LFSAMPLING_H
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