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[proxmark3-svn] / armsrc / lfsampling.h
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1#ifndef LFSAMPLING_H
2#define LFSAMPLING_H
3
7cfc777b 4/**
5* acquisition of T55x7 LF signal. Similart to other LF, but adjusted with @marshmellows thresholds
6* the data is collected in BigBuf.
7**/
66837a03 8void doT55x7Acquisition(size_t sample_size);
7cfc777b 9
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10/**
11* Initializes the FPGA for reader-mode (field on), and acquires the samples.
12* @return number of bits sampled
13**/
1fbf8956 14uint32_t SampleLF(bool silent);
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15
16/**
17* Initializes the FPGA for snoop-mode (field off), and acquires the samples.
18* @return number of bits sampled
19**/
20
21uint32_t SnoopLF();
22
23/**
24 * @brief Does sample acquisition, ignoring the config values set in the sample_config.
25 * This method is typically used by tag-specific readers who just wants to read the samples
26 * the normal way
27 * @param trigger_threshold
28 * @param silent
29 * @return number of bits sampled
30 */
31uint32_t DoAcquisition_default(int trigger_threshold, bool silent);
32/**
33 * @brief Does sample acquisition, using the config values set in the sample_config.
34 * @param trigger_threshold
35 * @param silent
36 * @return number of bits sampled
37 */
38
39uint32_t DoAcquisition_config( bool silent);
40
41/**
42* Setup the FPGA to listen for samples. This method downloads the FPGA bitstream
43* if not already loaded, sets divisor and starts up the antenna.
44* @param divisor : 1, 88> 255 or negative ==> 134.8 KHz
45* 0 or 95 ==> 125 KHz
46*
47**/
48void LFSetupFPGAForADC(int divisor, bool lf_field);
49
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50/**
51 * Called from the USB-handler to set the sampling configuration
52 * The sampling config is used for std reading and snooping.
53 *
54 * Other functions may read samples and ignore the sampling config,
55 * such as functions to read the UID from a prox tag or similar.
56 *
57 * Values set to '0' implies no change (except for averaging)
58 * @brief setSamplingConfig
59 * @param sc
60 */
61void setSamplingConfig(sample_config *sc);
62
63sample_config * getSamplingConfig();
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64
65void printConfig();
66
67
31abe49f 68#endif // LFSAMPLING_H
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