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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 | |
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11 | #ifndef ISO15693_H__ |
12 | #define ISO15693_H__ |
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13 | |
14 | #include <stdint.h> |
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15 | #include <stddef.h> |
16 | #include <stdbool.h> |
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17 | |
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18 | // Delays in SSP_CLK ticks. |
19 | // SSP_CLK runs at 13,56MHz / 32 = 423.75kHz when simulating a tag |
20 | #define DELAY_READER_TO_ARM_SIM 8 |
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21 | #define DELAY_ARM_TO_READER_SIM 0 |
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22 | #define DELAY_ISO15693_VCD_TO_VICC_SIM 132 // 132/423.75kHz = 311.5us from end of command EOF to start of tag response |
23 | //SSP_CLK runs at 13.56MHz / 4 = 3,39MHz when acting as reader |
24 | #define DELAY_ISO15693_VCD_TO_VICC_READER 1056 // 1056/3,39MHz = 311.5us from end of command EOF to start of tag response |
25 | #define DELAY_ISO15693_VICC_TO_VCD_READER 1017 // 1017/3.39MHz = 300us between end of tag response and next reader command |
26 | |
27 | void CodeIso15693AsTag(uint8_t *cmd, size_t len); |
28 | int GetIso15693CommandFromReader(uint8_t *received, size_t max_len, uint32_t *eof_time); |
29 | void TransmitTo15693Reader(const uint8_t *cmd, size_t len, uint32_t start_time, bool slow); |
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30 | void SnoopIso15693(void); |
31 | void AcquireRawAdcSamplesIso15693(void); |
32 | void ReaderIso15693(uint32_t parameter); |
33 | void SimTagIso15693(uint32_t parameter, uint8_t *uid); |
34 | void BruteforceIso15693Afi(uint32_t speed); |
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35 | void DirectTag15693Command(uint32_t datalen, uint32_t speed, uint32_t recv, uint8_t data[]); |
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36 | void SetTag15693Uid(uint8_t *uid); |
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37 | void SetDebugIso15693(uint32_t flag); |
38 | |
39 | #endif |