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Code Issues Releases Activity

[P111] MFRC522 RFID reader moved from PluginPlayground

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Ton Huisman
2021-02-11 21:39:09 +01:00
parent 09690f1873
commit bba120c36e
9 changed files with 2735 additions and 0 deletions
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lib/MFRC522/MFRC522.cpp
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lib/MFRC522/MFRC522.h
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/**
* 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.
};
// 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_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);
StatusCode PCD_NTAG216_AUTH(byte *passWord, byte pACK[]);
/////////////////////////////////////////////////////////////////////////////////////
// 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_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
lib/MFRC522/deprecated.h
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/**
* Copyright (c) 2016 by Ludwig Grill (www.rotzbua.de)
* Simple deprecated workaround for Arduino IDE
* IDE 1.6.8 use gcc 4.8 which do not support c++14 [[deprecated]]
* Later versions should support c++14, then use c++14 syntax
*/
#ifndef DEPRECATED_H
#define DEPRECATED_H
#ifdef __has_cpp_attribute
#if __has_cpp_attribute(deprecated)
#ifndef DEPRECATED
#define DEPRECATED [[deprecated]]
#endif
#ifndef DEPRECATED_MSG
#define DEPRECATED_MSG(msg) [[deprecated(msg)]]
#endif
#endif // __has_cpp_attribute(deprecated)
#else
#ifndef DEPRECATED
#define DEPRECATED __attribute__((deprecated))
#endif
#ifndef DEPRECATED_MSG
#define DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#endif
#endif // __has_cpp_attribute
#endif // DEPRECATED_H
lib/MFRC522/require_cpp11.h
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/**
* Copyright (c) 2016 by Ludwig Grill (www.rotzbua.de)
* Throws error if c++11 is not supported
*/
#ifndef REQUIRE_CPP11_H
#define REQUIRE_CPP11_H
#if __cplusplus < 201103L
#error "This library needs at least a C++11 compliant compiler, maybe compiler argument for C++11 support is missing or if you use Arduino IDE upgrade to version >=1.6.6"
#endif
#endif // REQUIRE_CPP11_H
src/Custom-sample.h
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// #define USES_P105 // Atlas_EZO_ORP
// #define USES_P106 // BME680
// #define USES_P107 // Si1145
// #define USES_P111 // RF522 RFID reader
// Special plugins needing IR library
src/_P111_RC522_RFID.ino
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#include "_Plugin_Helper.h"
#ifdef USES_P111
//#######################################################################################################
//################################ Plugin-214: RC522 SPI RFID reader ####################################
//#######################################################################################################
// Changelog:
// 2021-02-10, tonhuisman: Add tag removal detection, can be combined with time-out
// 2021-02-07, tonhuisman: Rework to adhere to current plugin requirements, make pin settings user-selectable
// Add options for tag removal time-out, as implemented before in P008 (Wiegand RFID) and P017 (PN532 RFID)
// Implement PluginStruct to enable multiple instances
// 2021-02-07, twinbee77: Adjustments to P129 from PluginPlayground
#define PLUGIN_111
#define PLUGIN_ID_111 111
#define PLUGIN_NAME_111 "RFID - RC522 SPI [TESTING]"
#define PLUGIN_VALUENAME1_111 "Tag"
#include "src/PluginStructs/P111_data_struct.h"
#define P111_NO_KEY 0xFFFFFFFF
#define P111_USE_REMOVAL // Enable (real) Tag Removal detection options
boolean Plugin_111(byte function, struct EventStruct *event, String& string)
{
boolean success = false;
switch (function)
{
case PLUGIN_DEVICE_ADD:
{
Device[++deviceCount].Number = PLUGIN_ID_111;
Device[deviceCount].Type = DEVICE_TYPE_SPI2;
Device[deviceCount].VType = Sensor_VType::SENSOR_TYPE_LONG;
Device[deviceCount].Ports = 0;
Device[deviceCount].PullUpOption = false;
Device[deviceCount].InverseLogicOption = false;
Device[deviceCount].ValueCount = 1;
Device[deviceCount].SendDataOption = true;
Device[deviceCount].TimerOption = true;
Device[deviceCount].GlobalSyncOption = true;
break;
}
case PLUGIN_GET_DEVICENAME:
{
string = F(PLUGIN_NAME_111);
break;
}
case PLUGIN_GET_DEVICEVALUENAMES:
{
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[0], PSTR(PLUGIN_VALUENAME1_111));
break;
}
case PLUGIN_GET_DEVICEGPIONAMES: //define 'GPIO 1st' name in webserver
{
event->String1 = formatGpioName_output(F("CS PIN")); // PIN(0)
event->String2 = formatGpioName_output(F("RST PIN (optional)")); // PIN(1)
break;
}
case PLUGIN_SET_DEFAULTS:
{
PCONFIG_LONG(1) = 500; // Default 500 msec reset delay
break;
}
case PLUGIN_WEBFORM_LOAD:
{
addFormSubHeader(F("Options"));
{
#ifdef P111_USE_REMOVAL
#define P111_removaltypes 3
#else // P111_USE_REMOVAL
#define P111_removaltypes 2
#endif // P111_USE_REMOVAL
String removaltype[P111_removaltypes] = {
F("None")
,F("Autoremove after Time-out")
#ifdef P111_USE_REMOVAL
,F("Tag removal detection + Time-out")
#endif // P111_USE_REMOVAL
};
int removalopts[P111_removaltypes] = { 1, 0
#ifdef P111_USE_REMOVAL
, 2
#endif // P111_USE_REMOVAL
}; // A-typical order for logical order and backward compatibility
addFormSelector(F("Tag removal mode"), F("p111_autotagremoval"), P111_removaltypes, removaltype, removalopts, PCONFIG(0));
}
addFormNumericBox(F("Tag removal Time-out"),F("p111_removaltimeout"), PCONFIG_LONG(1), 0, 60000); // 0 to 60 seconds
addUnit(F("mSec. (0..60000)"));
addFormNumericBox(F("Value to set on Tag removal"),F("p111_removalvalue"), PCONFIG_LONG(0), 0, 2147483647); // Max allowed is int = 0x7FFFFFFF ...
addFormCheckBox(F("Event on Tag removal"), F("p111_sendreset"), PCONFIG(1) == 1);
success = true;
break;
}
case PLUGIN_WEBFORM_SAVE:
{
PCONFIG(0) = getFormItemInt(F("p111_autotagremoval"));
PCONFIG(1) = isFormItemChecked(F("p111_sendreset")) ? 1 : 0;
PCONFIG_LONG(0) = getFormItemInt(F("p111_removalvalue"));
PCONFIG_LONG(1) = getFormItemInt(F("p111_removaltimeout"));
success = true;
break;
}
case PLUGIN_INIT:
{
initPluginTaskData(event->TaskIndex, new (std::nothrow) P111_data_struct(PIN(0), PIN(1)));
P111_data_struct *P111_data = static_cast<P111_data_struct *>(getPluginTaskData(event->TaskIndex));
if (nullptr == P111_data) {
return success;
}
P111_data->init();
success = true;
break;
}
case PLUGIN_TIMER_IN:
{
// Reset card id on timeout
if (PCONFIG(0) == 0 || PCONFIG(0) == 2) {
UserVar.setSensorTypeLong(event->TaskIndex, PCONFIG_LONG(0));
addLog(LOG_LEVEL_INFO, F("MFRC522: Removed Tag"));
if (PCONFIG(1) == 1) {
sendData(event);
}
success = true;
}
break;
}
case PLUGIN_TEN_PER_SECOND:
{
P111_data_struct *P111_data = static_cast<P111_data_struct *>(getPluginTaskData(event->TaskIndex));
if (nullptr == P111_data) {
return success;
}
P111_data->counter++; // This variable replaces a static variable in the original implementation
if (P111_data->counter == 3) { // Only every 3rd 0.1 second we do a read
P111_data->counter = 0;
unsigned long key = P111_NO_KEY;
bool removedTag = false;
byte error = P111_data->readCardStatus(&key, &removedTag);
if (error == 0) {
unsigned long old_key = UserVar.getSensorTypeLong(event->TaskIndex);
bool new_key = false;
#ifdef P111_USE_REMOVAL
if (removedTag && PCONFIG(0) == 2) { // removal detected and enabled
key = PCONFIG_LONG(0);
}
#endif // P111_USE_REMOVAL
if (old_key != key && key != P111_NO_KEY) {
UserVar.setSensorTypeLong(event->TaskIndex, key);
new_key = true;
}
if (loglevelActiveFor(LOG_LEVEL_INFO) && key != P111_NO_KEY) {
String log = F("MFRC522: ");
if (new_key) {
log += F("New Tag: ");
} else {
log += F("Old Tag: ");
}
log += key;
if (!removedTag) {
log += F(" card: ");
log += P111_data->getCardName();
}
addLog(LOG_LEVEL_INFO, log);
}
if (new_key && !removedTag) { // Removal event sent from PLUGIN_TIMER_IN, if any
sendData(event);
}
Scheduler.setPluginTaskTimer(PCONFIG_LONG(1), event->TaskIndex, event->Par1);
}
}
break;
}
}
return success;
}
#endif // USES_P111
src/src/CustomBuild/define_plugin_sets.h
+1
View File
@@ -926,6 +926,7 @@ To create/register a plugin, you have to :
#define USES_P106 // BME680
#define USES_P107 // SI1145 UV index
#define USES_P108 // DDS238-x ZN MODBUS energy meter (was P224 in the Playground)
// #define USES_P111 // RC522 RFID reader
#endif
src/src/PluginStructs/P111_data_struct.cpp
+155
View File
@@ -0,0 +1,155 @@
#include "../PluginStructs/P111_data_struct.h"
#ifdef USES_P111
#include "../PluginStructs/P111_data_struct.h"
// Needed also here for PlatformIO's library finder as the .h file
// is in a directory which is excluded in the src_filter
#include <MFRC522.h>
P111_data_struct::P111_data_struct(byte csPin, byte rstPin) : csPin(csPin), rstPin(rstPin)
{}
void P111_data_struct::init() {
if (mfrc522 == nullptr){
mfrc522 = new MFRC522 (csPin, rstPin); // Instantiate a MFRC522
mfrc522->PCD_Init(); // Initialize MFRC522 reader
}
}
/**
* read status and tag
*/
byte P111_data_struct::readCardStatus(unsigned long *key, bool *removedTag) {
byte error = 0;
uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 };
uint8_t uidLength;
error = readPassiveTargetID(uid, &uidLength);
switch(error) {
case 1: // Read error
{
errorCount++;
removedState = false;
String log = F("MFRC522: Read error: ");
log += errorCount;
addLog(LOG_LEVEL_ERROR, log);
break;
}
case 2: // No tag found
if (!removedState) {
removedState = true;
*removedTag = true;
error = 0; // pass through that removal just once
}
errorCount = 0;
break;
default: // Read a tag correctly
errorCount = 0;
removedState = false; // No longer removed
break;
}
if (errorCount > 2) { // if three consecutive read errors, reset MFRC522
reset(csPin,rstPin);
}
unsigned long tmpKey = uid[0];
for (uint8_t i = 1; i < 4; i++) {
tmpKey <<= 8;
tmpKey += uid[i];
}
*key = tmpKey;
return error;
}
/**
* Returns last read card (type) name
*/
String P111_data_struct::getCardName() {
return mfrc522->PICC_GetTypeName(mfrc522->PICC_GetType(mfrc522->uid.sak));
}
/*********************************************************************************************\
* MFRC522 init
\*********************************************************************************************/
bool P111_data_struct::reset(int8_t csPin, int8_t resetPin) {
if (resetPin != -1) {
String log = F("MFRC522: Reset on pin: ");
log += resetPin;
addLog(LOG_LEVEL_INFO, log);
pinMode(resetPin, OUTPUT);
digitalWrite(resetPin, LOW);
delay(100);
digitalWrite(resetPin, HIGH);
pinMode(resetPin, INPUT_PULLUP);
delay(10);
}
pinMode(csPin, OUTPUT);
digitalWrite(csPin, LOW);
mfrc522->PCD_Init(csPin, resetPin); // Init MFRC522 module
//If you set Antenna Gain to Max it will increase reading distance
mfrc522->PCD_SetAntennaGain(mfrc522->RxGain_max);
bool result = mfrc522->PCD_PerformSelfTest(); // perform the test
if (result) {
//String log = F("RC522: Found");
// Get the MFRC522 software version
byte v = mfrc522->PCD_ReadRegister(mfrc522->VersionReg);
// When 0x00 or 0xFF is returned, communication probably failed
if ((v == 0x00) || (v == 0xFF)) {
String log=F("MFRC522: Communication failure, is the MFRC522 properly connected?");
addLog(LOG_LEVEL_ERROR,log);
return false;
} else {
String log=F("MFRC522: Software Version: ");
if (v == 0x91)
log+=F(" = v1.0");
else if (v == 0x92)
log+=F(" = v2.0");
else
log+=F(" (unknown),probably a chinese clone?");
addLog(LOG_LEVEL_INFO, log);
}
return true;
}
return false;
}
/*********************************************************************************************\
* RC522 read tag ID
\*********************************************************************************************/
byte P111_data_struct::readPassiveTargetID(uint8_t *uid, uint8_t *uidLength) { //needed ? see above (not PN532)
// Getting ready for Reading PICCs
if ( ! mfrc522->PICC_IsNewCardPresent()) { //If a new PICC placed to RFID reader continue
return 2;
}
addLog(LOG_LEVEL_INFO, F("MFRC522: New Card Detected"));
if ( ! mfrc522->PICC_ReadCardSerial()) { //Since a PICC placed get Serial and continue
return 1;
}
// There are Mifare PICCs which have 4 byte or 7 byte UID care if you use 7 byte PICC
// I think we should assume every PICC as they have 4 byte UID
// Until we support 7 byte PICCs
addLog(LOG_LEVEL_INFO, F("MFRC522: Scanned PICC's UID"));
for (uint8_t i = 0; i < 4; i++) { //
uid[i] = mfrc522->uid.uidByte[i];
}
*uidLength = 4;
mfrc522->PICC_HaltA(); // Stop reading
return 0;
}
#endif // ifdef USES_P111
src/src/PluginStructs/P111_data_struct.h
+32
View File
@@ -0,0 +1,32 @@
#ifndef PLUGINSTRUCTS_P111_DATA_STRUCT_H
#define PLUGINSTRUCTS_P111_DATA_STRUCT_H
#include "../../_Plugin_Helper.h"
#ifdef USES_P111
#include <MFRC522.h>
struct P111_data_struct : public PluginTaskData_base {
P111_data_struct(byte csPin, byte rstPin);
void init();
byte readCardStatus(unsigned long *key, bool *removedTag);
String getCardName();
MFRC522 *mfrc522 = nullptr;
byte counter = 0; // Allow throtteling
private:
bool reset(int8_t csPin, int8_t resetPin);
byte readPassiveTargetID(uint8_t *uid, uint8_t *uidLength);
byte csPin;
byte rstPin;
byte errorCount = 0;
bool removedState = true; // On startup, there will usually not be a tag nearby
};
#endif // ifdef USES_P111
#endif // ifndef PLUGINSTRUCTS_P111_DATA_STRUCT_H