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