| 1 | //----------------------------------------------------------------------------- |
| 2 | // Merlok - June 2011 |
| 3 | // Gerhard de Koning Gans - May 2008 |
| 4 | // Hagen Fritsch - June 2010 |
| 5 | // |
| 6 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, |
| 7 | // at your option, any later version. See the LICENSE.txt file for the text of |
| 8 | // the license. |
| 9 | //----------------------------------------------------------------------------- |
| 10 | // Routines to support ISO 14443 type A. |
| 11 | //----------------------------------------------------------------------------- |
| 12 | |
| 13 | #ifndef __ISO14443A_H |
| 14 | #define __ISO14443A_H |
| 15 | |
| 16 | #include <stdint.h> |
| 17 | #include <stdbool.h> |
| 18 | #include "usb_cmd.h" |
| 19 | #include "mifare.h" |
| 20 | |
| 21 | typedef struct { |
| 22 | uint8_t* response; |
| 23 | uint8_t* modulation; |
| 24 | uint16_t response_n; |
| 25 | uint16_t modulation_n; |
| 26 | uint32_t ProxToAirDuration; |
| 27 | uint8_t par; // enough for precalculated parity of 8 Byte responses |
| 28 | } tag_response_info_t; |
| 29 | |
| 30 | extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par); |
| 31 | extern void AppendCrc14443a(uint8_t *data, int len); |
| 32 | |
| 33 | extern void RAMFUNC SnoopIso14443a(uint8_t param); |
| 34 | extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data); |
| 35 | extern void ReaderIso14443a(UsbCommand *c); |
| 36 | extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing); |
| 37 | extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing); |
| 38 | extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing); |
| 39 | extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par); |
| 40 | extern void ReaderMifare(bool first_try); |
| 41 | |
| 42 | extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity); |
| 43 | extern int EmSendCmd(uint8_t *resp, uint16_t respLen); |
| 44 | extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen); |
| 45 | extern int EmSend4bit(uint8_t resp); |
| 46 | extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par); |
| 47 | extern int EmSendPrecompiledCmd(tag_response_info_t *response_info); |
| 48 | |
| 49 | extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size); |
| 50 | |
| 51 | extern void iso14443a_setup(uint8_t fpga_minor_mode); |
| 52 | extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data); |
| 53 | extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades, bool no_rats); |
| 54 | extern void iso14a_set_trigger(bool enable); |
| 55 | extern void iso14a_set_timeout(uint32_t timeout); |
| 56 | #endif /* __ISO14443A_H */ |