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1 | //----------------------------------------------------------------------------- | |
2 | // Piwi - October 2018 | |
3 | // | |
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 | //----------------------------------------------------------------------------- | |
10 | ||
11 | #ifndef ISO15693_H__ | |
12 | #define ISO15693_H__ | |
13 | ||
14 | #include <stdint.h> | |
15 | #include <stddef.h> | |
16 | #include <stdbool.h> | |
17 | ||
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 | |
24 | ||
25 | extern void Iso15693InitReader(void); | |
26 | extern void Iso15693InitTag(void); | |
27 | extern void CodeIso15693AsReader(uint8_t *cmd, int n); | |
28 | extern void CodeIso15693AsTag(uint8_t *cmd, size_t len); | |
29 | extern void TransmitTo15693Reader(const uint8_t *cmd, size_t len, uint32_t *start_time, uint32_t slot_time, bool slow); | |
30 | extern int GetIso15693CommandFromReader(uint8_t *received, size_t max_len, uint32_t *eof_time); | |
31 | extern void TransmitTo15693Tag(const uint8_t *cmd, int len, uint32_t *start_time); | |
32 | extern int GetIso15693AnswerFromTag(uint8_t* response, uint16_t max_len, uint16_t timeout, uint32_t *eof_time); | |
33 | extern void SnoopIso15693(uint8_t jam_search_len, uint8_t *jam_search_string); | |
34 | extern void AcquireRawAdcSamplesIso15693(void); | |
35 | extern void ReaderIso15693(uint32_t parameter); | |
36 | extern void SimTagIso15693(uint32_t parameter, uint8_t *uid); | |
37 | extern void BruteforceIso15693Afi(uint32_t speed); | |
38 | extern void DirectTag15693Command(uint32_t datalen, uint32_t speed, uint32_t recv, uint8_t data[]); | |
39 | extern void SetTag15693Uid(uint8_t *uid); | |
40 | extern void SetDebugIso15693(uint32_t flag); | |
41 | extern bool LogTrace_ISO15693(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag); | |
42 | ||
43 | #endif |