forked from miguelbalboa/rfid
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathMFRC522.h
396 lines (365 loc) · 21.1 KB
/
MFRC522.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
/**
* Library to use Arduino MFRC522 module.
*
* @authors Dr.Leong, Miguel Balboa, Søren Thing Andersen, Tom Clement, many more! See GitLog.
*
* For more information read the README.
*
* Please read this file for an overview and then MFRC522.cpp for comments on the specific functions.
*/
#ifndef MFRC522_h
#define MFRC522_h
#include "require_cpp11.h"
#include "deprecated.h"
// Enable integer limits
#define __STDC_LIMIT_MACROS
#include <stdint.h>
#include <Arduino.h>
#include <SPI.h>
#ifndef MFRC522_SPICLOCK
#define MFRC522_SPICLOCK (4000000u) // MFRC522 accept upto 10MHz, set to 4MHz.
#endif
// Firmware data for self-test
// Reference values based on firmware version
// Hint: if needed, you can remove unused self-test data to save flash memory
//
// Version 0.0 (0x90)
// Philips Semiconductors; Preliminary Specification Revision 2.0 - 01 August 2005; 16.1 self-test
const byte MFRC522_firmware_referenceV0_0[] PROGMEM = {
0x00, 0x87, 0x98, 0x0f, 0x49, 0xFF, 0x07, 0x19,
0xBF, 0x22, 0x30, 0x49, 0x59, 0x63, 0xAD, 0xCA,
0x7F, 0xE3, 0x4E, 0x03, 0x5C, 0x4E, 0x49, 0x50,
0x47, 0x9A, 0x37, 0x61, 0xE7, 0xE2, 0xC6, 0x2E,
0x75, 0x5A, 0xED, 0x04, 0x3D, 0x02, 0x4B, 0x78,
0x32, 0xFF, 0x58, 0x3B, 0x7C, 0xE9, 0x00, 0x94,
0xB4, 0x4A, 0x59, 0x5B, 0xFD, 0xC9, 0x29, 0xDF,
0x35, 0x96, 0x98, 0x9E, 0x4F, 0x30, 0x32, 0x8D
};
// Version 1.0 (0x91)
// NXP Semiconductors; Rev. 3.8 - 17 September 2014; 16.1.1 self-test
const byte MFRC522_firmware_referenceV1_0[] PROGMEM = {
0x00, 0xC6, 0x37, 0xD5, 0x32, 0xB7, 0x57, 0x5C,
0xC2, 0xD8, 0x7C, 0x4D, 0xD9, 0x70, 0xC7, 0x73,
0x10, 0xE6, 0xD2, 0xAA, 0x5E, 0xA1, 0x3E, 0x5A,
0x14, 0xAF, 0x30, 0x61, 0xC9, 0x70, 0xDB, 0x2E,
0x64, 0x22, 0x72, 0xB5, 0xBD, 0x65, 0xF4, 0xEC,
0x22, 0xBC, 0xD3, 0x72, 0x35, 0xCD, 0xAA, 0x41,
0x1F, 0xA7, 0xF3, 0x53, 0x14, 0xDE, 0x7E, 0x02,
0xD9, 0x0F, 0xB5, 0x5E, 0x25, 0x1D, 0x29, 0x79
};
// Version 2.0 (0x92)
// NXP Semiconductors; Rev. 3.8 - 17 September 2014; 16.1.1 self-test
const byte MFRC522_firmware_referenceV2_0[] PROGMEM = {
0x00, 0xEB, 0x66, 0xBA, 0x57, 0xBF, 0x23, 0x95,
0xD0, 0xE3, 0x0D, 0x3D, 0x27, 0x89, 0x5C, 0xDE,
0x9D, 0x3B, 0xA7, 0x00, 0x21, 0x5B, 0x89, 0x82,
0x51, 0x3A, 0xEB, 0x02, 0x0C, 0xA5, 0x00, 0x49,
0x7C, 0x84, 0x4D, 0xB3, 0xCC, 0xD2, 0x1B, 0x81,
0x5D, 0x48, 0x76, 0xD5, 0x71, 0x61, 0x21, 0xA9,
0x86, 0x96, 0x83, 0x38, 0xCF, 0x9D, 0x5B, 0x6D,
0xDC, 0x15, 0xBA, 0x3E, 0x7D, 0x95, 0x3B, 0x2F
};
// Clone
// Fudan Semiconductor FM17522 (0x88)
const byte FM17522_firmware_reference[] PROGMEM = {
0x00, 0xD6, 0x78, 0x8C, 0xE2, 0xAA, 0x0C, 0x18,
0x2A, 0xB8, 0x7A, 0x7F, 0xD3, 0x6A, 0xCF, 0x0B,
0xB1, 0x37, 0x63, 0x4B, 0x69, 0xAE, 0x91, 0xC7,
0xC3, 0x97, 0xAE, 0x77, 0xF4, 0x37, 0xD7, 0x9B,
0x7C, 0xF5, 0x3C, 0x11, 0x8F, 0x15, 0xC3, 0xD7,
0xC1, 0x5B, 0x00, 0x2A, 0xD0, 0x75, 0xDE, 0x9E,
0x51, 0x64, 0xAB, 0x3E, 0xE9, 0x15, 0xB5, 0xAB,
0x56, 0x9A, 0x98, 0x82, 0x26, 0xEA, 0x2A, 0x62
};
class MFRC522 {
public:
// Size of the MFRC522 FIFO
static constexpr byte FIFO_SIZE = 64; // The FIFO is 64 bytes.
// Default value for unused pin
static constexpr uint8_t UNUSED_PIN = UINT8_MAX;
// MFRC522 registers. Described in chapter 9 of the datasheet.
// When using SPI all addresses are shifted one bit left in the "SPI address byte" (section 8.1.2.3)
enum PCD_Register : byte {
// Page 0: Command and status
// 0x00 // reserved for future use
CommandReg = 0x01 << 1, // starts and stops command execution
ComIEnReg = 0x02 << 1, // enable and disable interrupt request control bits
DivIEnReg = 0x03 << 1, // enable and disable interrupt request control bits
ComIrqReg = 0x04 << 1, // interrupt request bits
DivIrqReg = 0x05 << 1, // interrupt request bits
ErrorReg = 0x06 << 1, // error bits showing the error status of the last command executed
Status1Reg = 0x07 << 1, // communication status bits
Status2Reg = 0x08 << 1, // receiver and transmitter status bits
FIFODataReg = 0x09 << 1, // input and output of 64 byte FIFO buffer
FIFOLevelReg = 0x0A << 1, // number of bytes stored in the FIFO buffer
WaterLevelReg = 0x0B << 1, // level for FIFO underflow and overflow warning
ControlReg = 0x0C << 1, // miscellaneous control registers
BitFramingReg = 0x0D << 1, // adjustments for bit-oriented frames
CollReg = 0x0E << 1, // bit position of the first bit-collision detected on the RF interface
// 0x0F // reserved for future use
// Page 1: Command
// 0x10 // reserved for future use
ModeReg = 0x11 << 1, // defines general modes for transmitting and receiving
TxModeReg = 0x12 << 1, // defines transmission data rate and framing
RxModeReg = 0x13 << 1, // defines reception data rate and framing
TxControlReg = 0x14 << 1, // controls the logical behavior of the antenna driver pins TX1 and TX2
TxASKReg = 0x15 << 1, // controls the setting of the transmission modulation
TxSelReg = 0x16 << 1, // selects the internal sources for the antenna driver
RxSelReg = 0x17 << 1, // selects internal receiver settings
RxThresholdReg = 0x18 << 1, // selects thresholds for the bit decoder
DemodReg = 0x19 << 1, // defines demodulator settings
// 0x1A // reserved for future use
// 0x1B // reserved for future use
MfTxReg = 0x1C << 1, // controls some MIFARE communication transmit parameters
MfRxReg = 0x1D << 1, // controls some MIFARE communication receive parameters
// 0x1E // reserved for future use
SerialSpeedReg = 0x1F << 1, // selects the speed of the serial UART interface
// Page 2: Configuration
// 0x20 // reserved for future use
CRCResultRegH = 0x21 << 1, // shows the MSB and LSB values of the CRC calculation
CRCResultRegL = 0x22 << 1,
// 0x23 // reserved for future use
ModWidthReg = 0x24 << 1, // controls the ModWidth setting?
// 0x25 // reserved for future use
RFCfgReg = 0x26 << 1, // configures the receiver gain
GsNReg = 0x27 << 1, // selects the conductance of the antenna driver pins TX1 and TX2 for modulation
CWGsPReg = 0x28 << 1, // defines the conductance of the p-driver output during periods of no modulation
ModGsPReg = 0x29 << 1, // defines the conductance of the p-driver output during periods of modulation
TModeReg = 0x2A << 1, // defines settings for the internal timer
TPrescalerReg = 0x2B << 1, // the lower 8 bits of the TPrescaler value. The 4 high bits are in TModeReg.
TReloadRegH = 0x2C << 1, // defines the 16-bit timer reload value
TReloadRegL = 0x2D << 1,
TCounterValueRegH = 0x2E << 1, // shows the 16-bit timer value
TCounterValueRegL = 0x2F << 1,
// Page 3: Test Registers
// 0x30 // reserved for future use
TestSel1Reg = 0x31 << 1, // general test signal configuration
TestSel2Reg = 0x32 << 1, // general test signal configuration
TestPinEnReg = 0x33 << 1, // enables pin output driver on pins D1 to D7
TestPinValueReg = 0x34 << 1, // defines the values for D1 to D7 when it is used as an I/O bus
TestBusReg = 0x35 << 1, // shows the status of the internal test bus
AutoTestReg = 0x36 << 1, // controls the digital self-test
VersionReg = 0x37 << 1, // shows the software version
AnalogTestReg = 0x38 << 1, // controls the pins AUX1 and AUX2
TestDAC1Reg = 0x39 << 1, // defines the test value for TestDAC1
TestDAC2Reg = 0x3A << 1, // defines the test value for TestDAC2
TestADCReg = 0x3B << 1 // shows the value of ADC I and Q channels
// 0x3C // reserved for production tests
// 0x3D // reserved for production tests
// 0x3E // reserved for production tests
// 0x3F // reserved for production tests
};
// MFRC522 commands. Described in chapter 10 of the datasheet.
enum PCD_Command : byte {
PCD_Idle = 0x00, // no action, cancels current command execution
PCD_Mem = 0x01, // stores 25 bytes into the internal buffer
PCD_GenerateRandomID = 0x02, // generates a 10-byte random ID number
PCD_CalcCRC = 0x03, // activates the CRC coprocessor or performs a self-test
PCD_Transmit = 0x04, // transmits data from the FIFO buffer
PCD_NoCmdChange = 0x07, // no command change, can be used to modify the CommandReg register bits without affecting the command, for example, the PowerDown bit
PCD_Receive = 0x08, // activates the receiver circuits
PCD_Transceive = 0x0C, // transmits data from FIFO buffer to antenna and automatically activates the receiver after transmission
PCD_MFAuthent = 0x0E, // performs the MIFARE standard authentication as a reader
PCD_SoftReset = 0x0F // resets the MFRC522
};
// MFRC522 RxGain[2:0] masks, defines the receiver's signal voltage gain factor (on the PCD).
// Described in 9.3.3.6 / table 98 of the datasheet at http://www.nxp.com/documents/data_sheet/MFRC522.pdf
enum PCD_RxGain : byte {
RxGain_18dB = 0x00 << 4, // 000b - 18 dB, minimum
RxGain_23dB = 0x01 << 4, // 001b - 23 dB
RxGain_18dB_2 = 0x02 << 4, // 010b - 18 dB, it seems 010b is a duplicate for 000b
RxGain_23dB_2 = 0x03 << 4, // 011b - 23 dB, it seems 011b is a duplicate for 001b
RxGain_33dB = 0x04 << 4, // 100b - 33 dB, average, and typical default
RxGain_38dB = 0x05 << 4, // 101b - 38 dB
RxGain_43dB = 0x06 << 4, // 110b - 43 dB
RxGain_48dB = 0x07 << 4, // 111b - 48 dB, maximum
RxGain_min = 0x00 << 4, // 000b - 18 dB, minimum, convenience for RxGain_18dB
RxGain_avg = 0x04 << 4, // 100b - 33 dB, average, convenience for RxGain_33dB
RxGain_max = 0x07 << 4 // 111b - 48 dB, maximum, convenience for RxGain_48dB
};
// Commands sent to the PICC.
enum PICC_Command : byte {
// The commands used by the PCD to manage communication with several PICCs (ISO 14443-3, Type A, section 6.4)
PICC_CMD_REQA = 0x26, // REQuest command, Type A. Invites PICCs in state IDLE to go to READY and prepare for anticollision or selection. 7 bit frame.
PICC_CMD_WUPA = 0x52, // Wake-UP command, Type A. Invites PICCs in state IDLE and HALT to go to READY(*) and prepare for anticollision or selection. 7 bit frame.
PICC_CMD_CT = 0x88, // Cascade Tag. Not really a command, but used during anti collision.
PICC_CMD_SEL_CL1 = 0x93, // Anti collision/Select, Cascade Level 1
PICC_CMD_SEL_CL2 = 0x95, // Anti collision/Select, Cascade Level 2
PICC_CMD_SEL_CL3 = 0x97, // Anti collision/Select, Cascade Level 3
PICC_CMD_HLTA = 0x50, // HaLT command, Type A. Instructs an ACTIVE PICC to go to state HALT.
PICC_CMD_RATS = 0xE0, // Request command for Answer To Reset.
// The commands used for MIFARE Classic (from http://www.mouser.com/ds/2/302/MF1S503x-89574.pdf, Section 9)
// Use PCD_MFAuthent to authenticate access to a sector, then use these commands to read/write/modify the blocks on the sector.
// The read/write commands can also be used for MIFARE Ultralight.
PICC_CMD_MF_AUTH_KEY_A = 0x60, // Perform authentication with Key A
PICC_CMD_MF_AUTH_KEY_B = 0x61, // Perform authentication with Key B
PICC_CMD_MF_READ = 0x30, // Reads one 16 byte block from the authenticated sector of the PICC. Also used for MIFARE Ultralight.
PICC_CMD_MF_WRITE = 0xA0, // Writes one 16 byte block to the authenticated sector of the PICC. Called "COMPATIBILITY WRITE" for MIFARE Ultralight.
PICC_CMD_MF_DECREMENT = 0xC0, // Decrements the contents of a block and stores the result in the internal data register.
PICC_CMD_MF_INCREMENT = 0xC1, // Increments the contents of a block and stores the result in the internal data register.
PICC_CMD_MF_RESTORE = 0xC2, // Reads the contents of a block into the internal data register.
PICC_CMD_MF_TRANSFER = 0xB0, // Writes the contents of the internal data register to a block.
// The commands used for MIFARE Ultralight (from http://www.nxp.com/documents/data_sheet/MF0ICU1.pdf, Section 8.6)
// The PICC_CMD_MF_READ and PICC_CMD_MF_WRITE can also be used for MIFARE Ultralight.
PICC_CMD_UL_WRITE = 0xA2, // Writes one 4 byte page to the PICC.
// The commands used for NTAG2xx
PICC_CMD_NTAG2XX_WRITE = 0xA2, // Write one 4 byte page to the PICC.
PICC_CMD_NTAG2XX_CMPWRT = 0xA0, //
PICC_CMD_NTAG2XX_READ = 0x30, // Reads one 16 byte block from the authenticated page of the PICC. Also used for MIFARE Ultralight.
PICC_CMD_NTAG2XX_FSTREAD= 0x3A, // Reads the indicated pages at once
PICC_CMD_NTAG2XX_PW_AUTH= 0x1B, // Authenticates with the provided PWD
PICC_CMD_NTAG2XX_GET_VER= 0x60, // Reads the VERSION info
PICC_CMD_NTAG2XX_READSIG= 0x3C, // Reads the SIGNATURE info
PICC_CMD_NTAG2XX_READCNT= 0x39 // Reads the counter of unsuccessful authentication attemps
};
// MIFARE constants that does not fit anywhere else
enum MIFARE_Misc {
MF_ACK = 0xA, // The MIFARE Classic uses a 4 bit ACK/NAK. Any other value than 0xA is NAK.
MF_KEY_SIZE = 6 // A Mifare Crypto1 key is 6 bytes.
};
// PICC types we can detect. Remember to update PICC_GetTypeName() if you add more.
// last value set to 0xff, then compiler uses less ram, it seems some optimisations are triggered
enum PICC_Type : byte {
PICC_TYPE_UNKNOWN ,
PICC_TYPE_ISO_14443_4 , // PICC compliant with ISO/IEC 14443-4
PICC_TYPE_ISO_18092 , // PICC compliant with ISO/IEC 18092 (NFC)
PICC_TYPE_MIFARE_MINI , // MIFARE Classic protocol, 320 bytes
PICC_TYPE_MIFARE_1K , // MIFARE Classic protocol, 1KB
PICC_TYPE_MIFARE_4K , // MIFARE Classic protocol, 4KB
PICC_TYPE_MIFARE_UL , // MIFARE Ultralight or Ultralight C
PICC_TYPE_MIFARE_PLUS , // MIFARE Plus
PICC_TYPE_MIFARE_DESFIRE, // MIFARE DESFire
PICC_TYPE_TNP3XXX , // Only mentioned in NXP AN 10833 MIFARE Type Identification Procedure
PICC_TYPE_NTAG213 , // NTAG213
PICC_TYPE_NTAG215 , // NTAG215
PICC_TYPE_NTAG216 , // NTAG216
PICC_TYPE_NOT_COMPLETE = 0xff // SAK indicates UID is not complete.
};
// Return codes from the functions in this class. Remember to update GetStatusCodeName() if you add more.
// last value set to 0xff, then compiler uses less ram, it seems some optimisations are triggered
enum StatusCode : byte {
STATUS_OK , // Success
STATUS_ERROR , // Error in communication
STATUS_COLLISION , // Collission detected
STATUS_TIMEOUT , // Timeout in communication.
STATUS_NO_ROOM , // A buffer is not big enough.
STATUS_INTERNAL_ERROR , // Internal error in the code. Should not happen ;-)
STATUS_INVALID , // Invalid argument.
STATUS_CRC_WRONG , // The CRC_A does not match
STATUS_MIFARE_NACK = 0xff // A MIFARE PICC responded with NAK.
};
// A struct used for passing the UID of a PICC.
typedef struct {
byte size; // Number of bytes in the UID. 4, 7 or 10.
byte uidByte[10];
byte sak; // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;
// A struct used for passing a MIFARE Crypto1 key
typedef struct {
byte keyByte[MF_KEY_SIZE];
} MIFARE_Key;
// Member variables
Uid uid; // Used by PICC_ReadCardSerial().
/////////////////////////////////////////////////////////////////////////////////////
// Functions for setting up the Arduino
/////////////////////////////////////////////////////////////////////////////////////
MFRC522();
MFRC522(byte resetPowerDownPin);
MFRC522(byte chipSelectPin, byte resetPowerDownPin);
/////////////////////////////////////////////////////////////////////////////////////
// Basic interface functions for communicating with the MFRC522
/////////////////////////////////////////////////////////////////////////////////////
void PCD_WriteRegister(PCD_Register reg, byte value);
void PCD_WriteRegister(PCD_Register reg, byte count, byte *values);
byte PCD_ReadRegister(PCD_Register reg);
void PCD_ReadRegister(PCD_Register reg, byte count, byte *values, byte rxAlign = 0);
void PCD_SetRegisterBitMask(PCD_Register reg, byte mask);
void PCD_ClearRegisterBitMask(PCD_Register reg, byte mask);
StatusCode PCD_CalculateCRC(byte *data, byte length, byte *result);
/////////////////////////////////////////////////////////////////////////////////////
// Functions for manipulating the MFRC522
/////////////////////////////////////////////////////////////////////////////////////
void PCD_Init();
void PCD_Init(byte resetPowerDownPin);
void PCD_Init(byte chipSelectPin, byte resetPowerDownPin);
void PCD_Reset();
void PCD_AntennaOn();
void PCD_AntennaOff();
byte PCD_GetAntennaGain();
void PCD_SetAntennaGain(byte mask);
bool PCD_PerformSelfTest();
/////////////////////////////////////////////////////////////////////////////////////
// Power control functions
/////////////////////////////////////////////////////////////////////////////////////
void PCD_SoftPowerDown();
void PCD_SoftPowerUp();
/////////////////////////////////////////////////////////////////////////////////////
// Functions for communicating with PICCs
/////////////////////////////////////////////////////////////////////////////////////
StatusCode PCD_TransceiveData(byte *sendData, byte sendLen, byte *backData, byte *backLen, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
StatusCode PCD_CommunicateWithPICC(byte command, byte waitIRq, byte *sendData, byte sendLen, byte *backData = nullptr, byte *backLen = nullptr, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
StatusCode PICC_RequestA(byte *bufferATQA, byte *bufferSize);
StatusCode PICC_WakeupA(byte *bufferATQA, byte *bufferSize);
StatusCode PICC_REQA_or_WUPA(byte command, byte *bufferATQA, byte *bufferSize);
virtual StatusCode PICC_Select(Uid *uid, byte validBits = 0);
StatusCode PICC_HaltA();
/////////////////////////////////////////////////////////////////////////////////////
// Functions for communicating with MIFARE PICCs
/////////////////////////////////////////////////////////////////////////////////////
StatusCode PCD_Authenticate(byte command, byte blockAddr, MIFARE_Key *key, Uid *uid);
void PCD_StopCrypto1();
StatusCode MIFARE_Read(byte blockAddr, byte *buffer, byte *bufferSize);
StatusCode MIFARE_Write(byte blockAddr, byte *buffer, byte bufferSize);
StatusCode MIFARE_Ultralight_Write(byte page, byte *buffer, byte bufferSize);
StatusCode MIFARE_Decrement(byte blockAddr, int32_t delta);
StatusCode MIFARE_Increment(byte blockAddr, int32_t delta);
StatusCode MIFARE_Restore(byte blockAddr);
StatusCode MIFARE_Transfer(byte blockAddr);
StatusCode MIFARE_GetValue(byte blockAddr, int32_t *value);
StatusCode MIFARE_SetValue(byte blockAddr, int32_t value);
/////////////////////////////////////////////////////////////////////////////////////
// Functions for communicating with NTAG2XX PICCs
/////////////////////////////////////////////////////////////////////////////////////
StatusCode NTAG2XX_GETVERSION(byte *buffer, byte bufferSize);
StatusCode NTAG2XX_GETSIGNATURE(byte *buffer, byte bufferSize);
StatusCode NTAG2XX_GETCNT(byte *buffer, byte bufferSize);
StatusCode NTAG2XX_AUTH(byte *passWord, byte *pACK);
StatusCode NTAG2XX_Read4Pages(byte pageAddr, byte *buffer, byte *bufferSize);
StatusCode NTAG2XX_FastRead(byte pageAddr, byte pages, byte *buffer, byte *bufferSize);
StatusCode NTAG2XX_Write(byte pageAddr, byte *buffer, byte bufferSize);
static PICC_Type NTAG2XX_GetType(byte *buffer);
/////////////////////////////////////////////////////////////////////////////////////
// Support functions
/////////////////////////////////////////////////////////////////////////////////////
StatusCode PCD_MIFARE_Transceive(byte *sendData, byte sendLen, bool acceptTimeout = false);
// old function used too much memory, now name moved to flash; if you need char, copy from flash to memory
//const char *GetStatusCodeName(byte code);
static const __FlashStringHelper *GetStatusCodeName(StatusCode code);
static PICC_Type PICC_GetType(byte sak);
// old function used too much memory, now name moved to flash; if you need char, copy from flash to memory
//const char *PICC_GetTypeName(byte type);
static const __FlashStringHelper *PICC_GetTypeName(PICC_Type type);
// Support functions for debuging
void PCD_DumpVersionToSerial();
void PICC_DumpToSerial(Uid *uid);
void PICC_DumpDetailsToSerial(Uid *uid);
void PICC_DumpMifareClassicToSerial(Uid *uid, PICC_Type piccType, MIFARE_Key *key);
void PICC_DumpMifareClassicSectorToSerial(Uid *uid, MIFARE_Key *key, byte sector);
void PICC_DumpMifareUltralightToSerial();
// Advanced functions for MIFARE
void MIFARE_SetAccessBits(byte *accessBitBuffer, byte g0, byte g1, byte g2, byte g3);
bool MIFARE_OpenUidBackdoor(bool logErrors);
bool MIFARE_SetUid(byte *newUid, byte uidSize, bool logErrors);
bool MIFARE_UnbrickUidSector(bool logErrors);
/////////////////////////////////////////////////////////////////////////////////////
// Convenience functions - does not add extra functionality
/////////////////////////////////////////////////////////////////////////////////////
virtual bool PICC_IsNewCardPresent();
virtual bool PICC_IsCardStillPresent();
virtual bool PICC_ReadCardSerial();
protected:
byte _chipSelectPin; // Arduino pin connected to MFRC522's SPI slave select input (Pin 24, NSS, active low)
byte _resetPowerDownPin; // Arduino pin connected to MFRC522's reset and power down input (Pin 6, NRSTPD, active low)
StatusCode MIFARE_TwoStepHelper(byte command, byte blockAddr, int32_t data);
};
#endif