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be09ea8603
* code deduplication: use ISO15693 snoop function * speed up SnoopIso15693(), reduce DMA buffer size * add jamming option '-j' to 'hf iclass snoop' * fix issue #882 * whitespace fixes
44 lines
2.4 KiB
C
44 lines
2.4 KiB
C
//-----------------------------------------------------------------------------
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// Piwi - October 2018
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Routines to support ISO 15693.
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//-----------------------------------------------------------------------------
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#ifndef ISO15693_H__
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#define ISO15693_H__
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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// Delays in SSP_CLK ticks.
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// SSP_CLK runs at 13,56MHz / 32 = 423.75kHz when simulating a tag
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#define DELAY_ISO15693_VCD_TO_VICC_SIM 132 // 132/423.75kHz = 311.5us from end of command EOF to start of tag response
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//SSP_CLK runs at 13.56MHz / 4 = 3,39MHz when acting as reader. All values should be multiples of 16
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#define DELAY_ISO15693_VCD_TO_VICC_READER 1056 // 1056/3,39MHz = 311.5us from end of command EOF to start of tag response
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#define DELAY_ISO15693_VICC_TO_VCD_READER 1024 // 1024/3.39MHz = 302.1us between end of tag response and next reader command
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// times in samples @ 212kHz when acting as reader
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#define ISO15693_READER_TIMEOUT 330 // 330/212kHz = 1558us, should be even enough for iClass tags responding to ACTALL
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void Iso15693InitReader();
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void CodeIso15693AsReader(uint8_t *cmd, int n);
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void CodeIso15693AsTag(uint8_t *cmd, size_t len);
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void TransmitTo15693Reader(const uint8_t *cmd, size_t len, uint32_t *start_time, uint32_t slot_time, bool slow);
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int GetIso15693CommandFromReader(uint8_t *received, size_t max_len, uint32_t *eof_time);
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void TransmitTo15693Tag(const uint8_t *cmd, int len, uint32_t *start_time);
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int GetIso15693AnswerFromTag(uint8_t* response, uint16_t max_len, uint16_t timeout, uint32_t *eof_time);
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void SnoopIso15693(uint8_t jam_search_len, uint8_t *jam_search_string);
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void AcquireRawAdcSamplesIso15693(void);
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void ReaderIso15693(uint32_t parameter);
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void SimTagIso15693(uint32_t parameter, uint8_t *uid);
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void BruteforceIso15693Afi(uint32_t speed);
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void DirectTag15693Command(uint32_t datalen, uint32_t speed, uint32_t recv, uint8_t data[]);
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void SetTag15693Uid(uint8_t *uid);
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void SetDebugIso15693(uint32_t flag);
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bool LogTrace_ISO15693(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);
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#endif
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