| | 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 | typedef struct BitstreamOut BitstreamOut; |
| | 12 | |
| | 13 | /** |
| | 14 | * acquisition of Cotag LF signal. Similar to other LF, since the Cotag has such long datarate RF/384 |
| | 15 | * and is Manchester?, we directly gather the manchester data into bigbuff |
| | 16 | **/ |
| | 17 | void doCotagAcquisition(size_t sample_size); |
| | 18 | uint32_t doCotagAcquisitionManchester(void); |
| | 19 | |
| | 20 | /** |
| | 21 | * acquisition of T55x7 LF signal. Similar to other LF, but adjusted with @marshmellows thresholds |
| | 22 | * the data is collected in BigBuf. |
| | 23 | **/ |
| | 24 | void doT55x7Acquisition(size_t sample_size); |
| | 25 | |
| | 26 | /** |
| | 27 | * Initializes the FPGA for reader-mode (field on), and acquires the samples. |
| | 28 | * @return number of bits sampled |
| | 29 | **/ |
| | 30 | uint32_t SampleLF(bool silent); |
| | 31 | |
| | 32 | /** |
| | 33 | * Initializes the FPGA for snoop-mode (field off), and acquires the samples. |
| | 34 | * @return number of bits sampled |
| | 35 | **/ |
| | 36 | |
| | 37 | uint32_t SnoopLF(); |
| | 38 | |
| | 39 | /** |
| | 40 | * @brief Does sample acquisition, ignoring the config values set in the sample_config. |
| | 41 | * This method is typically used by tag-specific readers who just wants to read the samples |
| | 42 | * the normal way |
| | 43 | * @param trigger_threshold |
| | 44 | * @param silent |
| | 45 | * @return number of bits sampled |
| | 46 | */ |
| | 47 | uint32_t DoAcquisition_default(int trigger_threshold, bool silent); |
| | 48 | /** |
| | 49 | * @brief Does sample acquisition, using the config values set in the sample_config. |
| | 50 | * @param trigger_threshold |
| | 51 | * @param silent |
| | 52 | * @return number of bits sampled |
| | 53 | */ |
| | 54 | |
| | 55 | uint32_t DoAcquisition_config( bool silent); |
| | 56 | |
| | 57 | /** |
| | 58 | * Setup the FPGA to listen for samples. This method downloads the FPGA bitstream |
| | 59 | * if not already loaded, sets divisor and starts up the antenna. |
| | 60 | * @param divisor : 1, 88> 255 or negative ==> 134.8 KHz |
| | 61 | * 0 or 95 ==> 125 KHz |
| | 62 | * |
| | 63 | **/ |
| | 64 | void LFSetupFPGAForADC(int divisor, bool lf_field); |
| | 65 | |
| | 66 | /** |
| | 67 | * Called from the USB-handler to set the sampling configuration |
| | 68 | * The sampling config is used for std reading and snooping. |
| | 69 | * |
| | 70 | * Other functions may read samples and ignore the sampling config, |
| | 71 | * such as functions to read the UID from a prox tag or similar. |
| | 72 | * |
| | 73 | * Values set to '0' implies no change (except for averaging) |
| | 74 | * @brief setSamplingConfig |
| | 75 | * @param sc |
| | 76 | */ |
| | 77 | void setSamplingConfig(sample_config *sc); |
| | 78 | |
| | 79 | sample_config * getSamplingConfig(); |
| | 80 | |
| | 81 | void printConfig(); |
| | 82 | |
| | 83 | |
| | 84 | #endif // __LFSAMPLING_H |
projects / proxmark3-svn / blame_incremental