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1 //-----------------------------------------------------------------------------

2 // Piwi - October 2018

4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,

5 // at your option, any later version. See the LICENSE.txt file for the text of

6 // the license.

7 //-----------------------------------------------------------------------------

8 // Routines to support ISO 15693.

9 //-----------------------------------------------------------------------------

11 #ifndef ISO15693_H__

12 #define ISO15693_H__

14 #include <stdint.h>

15 #include <stddef.h>

16 #include <stdbool.h>

18 // Delays in SSP_CLK ticks.

19 // SSP_CLK runs at 13,56MHz / 32 = 423.75kHz when simulating a tag

20 #define DELAY_ISO15693_VCD_TO_VICC_SIM 132 // 132/423.75kHz = 311.5us from end of command EOF to start of tag response

21 //SSP_CLK runs at 13.56MHz / 4 = 3,39MHz when acting as reader. All values should be multiples of 16

22 #define DELAY_ISO15693_VCD_TO_VICC_READER 1056 // 1056/3,39MHz = 311.5us from end of command EOF to start of tag response

23 #define DELAY_ISO15693_VICC_TO_VCD_READER 1024 // 1024/3.39MHz = 302.1us between end of tag response and next reader command

25 void Iso15693InitReader();

 void CodeIso15693AsReader(uint8_t *cmd, int n);

 void CodeIso15693AsTag(uint8_t *cmd, size_t len);

 void TransmitTo15693Reader(const uint8_t *cmd, size_t len, uint32_t *start_time, uint32_t slot_time, bool slow);

 int GetIso15693CommandFromReader(uint8_t *received, size_t max_len, uint32_t *eof_time);

 void TransmitTo15693Tag(const uint8_t *cmd, int len, uint32_t *start_time);

 int GetIso15693AnswerFromTag(uint8_t* response, uint16_t max_len, uint16_t timeout, uint32_t *eof_time);

 void SnoopIso15693(uint8_t jam_search_len, uint8_t *jam_search_string);

 void AcquireRawAdcSamplesIso15693(void);

 void ReaderIso15693(uint32_t parameter);

 void SimTagIso15693(uint32_t parameter, uint8_t *uid);

 void BruteforceIso15693Afi(uint32_t speed);

 void DirectTag15693Command(uint32_t datalen, uint32_t speed, uint32_t recv, uint8_t data[]);

 void SetTag15693Uid(uint8_t *uid);

 void SetDebugIso15693(uint32_t flag);

 bool LogTrace_ISO15693(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);

42 #endif