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1 #ifndef LFSAMPLING_H
2 #define LFSAMPLING_H
3
4 #include "proxmark3.h"
5 #include "apps.h"
6 #include "util.h"
7 #include "string.h"
8 #include "usb_cdc.h" // for usb_poll_validate_length
9 #include "ticks.h" // for StartTicks
10
11 /**
12 * acquisition of T55x7 LF signal. Similart to other LF, but adjusted with @marshmellows thresholds
13 * the data is collected in BigBuf.
14 **/
15 void doT55x7Acquisition(size_t sample_size);
16
17 /**
18 * Initializes the FPGA for reader-mode (field on), and acquires the samples.
19 * @return number of bits sampled
20 **/
21 uint32_t SampleLF(bool silent);
22
23 /**
24 * Initializes the FPGA for snoop-mode (field off), and acquires the samples.
25 * @return number of bits sampled
26 **/
27
28 uint32_t SnoopLF();
29
30 /**
31 * @brief Does sample acquisition, ignoring the config values set in the sample_config.
32 * This method is typically used by tag-specific readers who just wants to read the samples
33 * the normal way
34 * @param trigger_threshold
35 * @param silent
36 * @return number of bits sampled
37 */
38 uint32_t DoAcquisition_default(int trigger_threshold, bool silent);
39 /**
40 * @brief Does sample acquisition, using the config values set in the sample_config.
41 * @param trigger_threshold
42 * @param silent
43 * @return number of bits sampled
44 */
45
46 uint32_t DoAcquisition_config( bool silent);
47
48 /**
49 * Setup the FPGA to listen for samples. This method downloads the FPGA bitstream
50 * if not already loaded, sets divisor and starts up the antenna.
51 * @param divisor : 1, 88> 255 or negative ==> 134.8 KHz
52 * 0 or 95 ==> 125 KHz
53 *
54 **/
55 void LFSetupFPGAForADC(int divisor, bool lf_field);
56
57 /**
58 * Called from the USB-handler to set the sampling configuration
59 * The sampling config is used for std reading and snooping.
60 *
61 * Other functions may read samples and ignore the sampling config,
62 * such as functions to read the UID from a prox tag or similar.
63 *
64 * Values set to '0' implies no change (except for averaging)
65 * @brief setSamplingConfig
66 * @param sc
67 */
68 void setSamplingConfig(sample_config *sc);
69
70 sample_config * getSamplingConfig();
71
72 void printConfig();
73
74
75 #endif // LFSAMPLING_H
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