├── wiring.jpg ├── README.md ├── .gitignore ├── Read.py ├── Write.py ├── MFRC522.py └── LICENSE.md /wiring.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mfdogalindo/MFRC522-UART/HEAD/wiring.jpg -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | MFRC522-python 2 | ============== 3 | 4 | A small class to interface with the NFC reader Module MFRC522 through UART 5 | 6 | ## Pins 7 | 8 | 9 | | RC522| Device | 10 | |------|--------| 11 | | SDA | TX | 12 | | MISO | RX | 13 | | 3.3V | 3.3V | 14 | | GND | GND | 15 | 16 | ## Rework 17 | 18 | If you have a chinese RC522 board, cut 3.3V wire to pin 32 and populate to GND 19 | 20 | ![alt tag](https://github.com/manuelgalindo/MFRC522-UART/raw/master/wiring.jpg) 21 | 22 | 23 | ##Usage 24 | Import the class by importing MFRC522 in the top of your script. For more info see the examples. 25 | 26 | ##Thanks To 27 | 28 | Miguel Balboa -> https://github.com/miguelbalboa/rfid 29 | 30 | 31 | MXGXW -> https://github.com/mxgxw/MFRC522-python 32 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | env/ 12 | build/ 13 | develop-eggs/ 14 | dist/ 15 | downloads/ 16 | eggs/ 17 | .eggs/ 18 | lib/ 19 | lib64/ 20 | parts/ 21 | sdist/ 22 | var/ 23 | *.egg-info/ 24 | .installed.cfg 25 | *.egg 26 | 27 | # PyInstaller 28 | # Usually these files are written by a python script from a template 29 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 30 | *.manifest 31 | *.spec 32 | 33 | # Installer logs 34 | pip-log.txt 35 | pip-delete-this-directory.txt 36 | 37 | # Unit test / coverage reports 38 | htmlcov/ 39 | .tox/ 40 | .coverage 41 | .coverage.* 42 | .cache 43 | nosetests.xml 44 | coverage.xml 45 | *,cover 46 | 47 | # Translations 48 | *.mo 49 | *.pot 50 | 51 | # Django stuff: 52 | *.log 53 | 54 | # Sphinx documentation 55 | docs/_build/ 56 | 57 | # PyBuilder 58 | target/ 59 | -------------------------------------------------------------------------------- /Read.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf8 -*- 3 | 4 | 5 | import MFRC522 6 | import signal 7 | 8 | continue_reading = True 9 | SECTORS_TOREAD = 8 10 | sector_now = 0 11 | 12 | # Capture SIGINT for cleanup when the script is aborted 13 | def end_read(signal,frame): 14 | global continue_reading 15 | print "Ctrl+C captured, ending read." 16 | continue_reading = False 17 | exit() 18 | 19 | # Hook the SIGINT 20 | signal.signal(signal.SIGINT, end_read) 21 | 22 | # Create an object of the class MFRC522 23 | MIFAREReader = MFRC522.MFRC522() 24 | 25 | # Welcome message 26 | print "Welcome to the MFRC522 data read example" 27 | print "Press Ctrl-C to stop." 28 | 29 | # This loop keeps checking for chips. If one is near it will get the UID and authenticate 30 | while continue_reading: 31 | 32 | # Scan for cards 33 | (status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQA) 34 | 35 | 36 | # Get the UID of the card 37 | (status,uid) = MIFAREReader.MFRC522_Anticoll() 38 | 39 | # If we have the UID, continue 40 | if status == MIFAREReader.MI_OK: 41 | # Print UID 42 | #print "Card read UID: "+str(uid[0])+","+str(uid[1])+","+str(uid[2])+","+str(uid[3]) 43 | 44 | # This is the default key for authentication 45 | key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF] 46 | 47 | # Select the scanned tag 48 | MIFAREReader.MFRC522_SelectTag(uid) 49 | 50 | # Authenticate 51 | status = MIFAREReader.MFRC522_Auth(MIFAREReader.PICC_AUTHENT1A, sector_now, key, uid) 52 | 53 | # Check if authenticated 54 | if status == MIFAREReader.MI_OK: 55 | data = MIFAREReader.MFRC522_Read(sector_now) 56 | #print data 57 | print "Sector["+str(data[0])+"]" + ''.join([str(chr(x)) for x in data[1]]) 58 | MIFAREReader.MFRC522_StopCrypto1() 59 | sector_now+=1 60 | else: 61 | print "Authentication error" 62 | 63 | if sector_now > SECTORS_TOREAD: 64 | sector_now=0 -------------------------------------------------------------------------------- /Write.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf8 -*- 3 | 4 | import MFRC522 5 | import signal 6 | 7 | continue_reading = True 8 | 9 | # Capture SIGINT for cleanup when the script is aborted 10 | def end_read(signal,frame): 11 | global continue_reading 12 | print "Ctrl+C captured, ending read." 13 | continue_reading = False 14 | exit() 15 | 16 | # Hook the SIGINT 17 | signal.signal(signal.SIGINT, end_read) 18 | 19 | # Create an object of the class MFRC522 20 | MIFAREReader = MFRC522.MFRC522() 21 | 22 | # This loop keeps checking for chips. If one is near it will get the UID and authenticate 23 | while continue_reading: 24 | 25 | # Scan for cards 26 | (status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQA) 27 | 28 | # If a card is found 29 | if status == MIFAREReader.MI_OK: 30 | print "Card detected" 31 | 32 | # Get the UID of the card 33 | (status,uid) = MIFAREReader.MFRC522_Anticoll() 34 | 35 | # If we have the UID, continue 36 | if status == MIFAREReader.MI_OK: 37 | 38 | # Print UID 39 | print "Card read UID: "+str(uid[0])+","+str(uid[1])+","+str(uid[2])+","+str(uid[3]) 40 | 41 | # This is the default key for authentication 42 | key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF] 43 | 44 | # Select the scanned tag 45 | MIFAREReader.MFRC522_SelectTag(uid) 46 | 47 | # Authenticate 48 | status = MIFAREReader.MFRC522_Auth(MIFAREReader.PICC_AUTHENT1A, 8, key, uid) 49 | print "\n" 50 | 51 | # Check if authenticated 52 | if status == MIFAREReader.MI_OK: 53 | 54 | # Variable for the data to write 55 | data = [] 56 | 57 | # Fill the data with 0xFF 58 | for x in range(0,16): 59 | data.append(0xFF) 60 | 61 | print "Sector 8 looked like this:" 62 | # Read block 8 63 | MIFAREReader.MFRC522_Read(8) 64 | print "\n" 65 | 66 | print "Sector 8 will now be filled with 0xFF:" 67 | # Write the data 68 | MIFAREReader.MFRC522_Write(8, data) 69 | print "\n" 70 | 71 | print "It now looks like this:" 72 | # Check to see if it was written 73 | MIFAREReader.MFRC522_Read(8) 74 | print "\n" 75 | 76 | data = "___my data :)___" 77 | data = bytearray(data) 78 | 79 | # Fill the data with 0x00 80 | 81 | 82 | print "Now we fill it with 0x00:" 83 | MIFAREReader.MFRC522_Write(8, data) 84 | print "\n" 85 | 86 | print "It is now empty:" 87 | # Check to see if it was written 88 | MIFAREReader.MFRC522_Read(8) 89 | print "\n" 90 | 91 | # Stop 92 | MIFAREReader.MFRC522_StopCrypto1() 93 | 94 | # Make sure to stop reading for cards 95 | continue_reading = False 96 | else: 97 | print "Authentication error" 98 | -------------------------------------------------------------------------------- /MFRC522.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf8 -*- 3 | 4 | import serial 5 | import signal 6 | import time 7 | import sys 8 | 9 | class MFRC522: 10 | NRSTPD = 22 11 | 12 | MAX_LEN = 16 13 | 14 | PCD_IDLE = 0x00 15 | PCD_MEM = 0x01 16 | PCD_RNDID = 0x02 17 | PCD_CALCCRC = 0x03 18 | PCD_TRANSMIT = 0x04 19 | PCD_AUTHENT = 0x0E 20 | PCD_RECEIVE = 0x08 21 | PCD_TRANSCEIVE = 0x0C 22 | PCD_RESETPHASE = 0x0F 23 | 24 | 25 | PICC_REQA = 0x26 26 | PICC_WUPA = 0x52 27 | PICC_ANTICOLL = 0x93 28 | PICC_SElECTTAG = 0x93 29 | PICC_AUTHENT1A = 0x60 30 | PICC_AUTHENT1B = 0x61 31 | PICC_READ = 0x30 32 | PICC_WRITE = 0xA0 33 | PICC_DECREMENT = 0xC0 34 | PICC_INCREMENT = 0xC1 35 | PICC_RESTORE = 0xC2 36 | PICC_TRANSFER = 0xB0 37 | PICC_HALT = 0x50 38 | 39 | MI_OK = 0 40 | MI_NOTAGERR = 1 41 | MI_ERR = 2 42 | 43 | 44 | CommandReg = 0x01 45 | CommIEnReg = 0x02 46 | DivlEnReg = 0x03 47 | CommIrqReg = 0x04 48 | DivIrqReg = 0x05 49 | ErrorReg = 0x06 50 | Status1Reg = 0x07 51 | Status2Reg = 0x08 52 | FIFODataReg = 0x09 53 | FIFOLevelReg = 0x0A 54 | WaterLevelReg = 0x0B 55 | ControlReg = 0x0C 56 | BitFramingReg = 0x0D 57 | CollReg = 0x0E 58 | 59 | ModeReg = 0x11 60 | TxModeReg = 0x12 61 | RxModeReg = 0x13 62 | TxControlReg = 0x14 63 | TxASKReg = 0x15 64 | TxSelReg = 0x16 65 | RxSelReg = 0x17 66 | RxThresholdReg = 0x18 67 | DemodReg = 0x19 68 | 69 | MifareTxReg = 0x1C 70 | MifarerxReg = 0x1D 71 | 72 | SerialSpeedReg = 0x1F 73 | 74 | CRCResultRegM = 0x21 75 | CRCResultRegL = 0x22 76 | 77 | ModWidthReg = 0x24 78 | 79 | RFCfgReg = 0x26 80 | GsNReg = 0x27 81 | CWGsPReg = 0x28 82 | ModGsPReg = 0x29 83 | TModeReg = 0x2A 84 | TPrescalerReg = 0x2B 85 | TReloadRegH = 0x2C 86 | TReloadRegL = 0x2D 87 | TCounterValueRegH = 0x2E 88 | TCounterValueRegL = 0x2F 89 | 90 | TestSel1Reg = 0x31 91 | TestSel2Reg = 0x32 92 | TestPinEnReg = 0x33 93 | TestPinValueReg = 0x34 94 | TestBusReg = 0x35 95 | AutoTestReg = 0x36 96 | VersionReg = 0x37 97 | AnalogTestReg = 0x38 98 | TestDAC1Reg = 0x39 99 | TestDAC2Reg = 0x3A 100 | TestADCReg = 0x3B 101 | 102 | 103 | serNum = [] 104 | 105 | def __init__(self, dev='/dev/ttyUSB0'): 106 | self.ser = serial.Serial(port=dev,baudrate=9600) 107 | self.reset(spd=1); 108 | #self.performSelfTest() 109 | self.writeRegister(self.TModeReg, 0x80) 110 | self.writeRegister(self.TPrescalerReg, 0xA9) 111 | self.writeRegister(self.TReloadRegH, 0x03) 112 | self.writeRegister(self.TReloadRegL, 0xE8) 113 | self.writeRegister(self.TxASKReg, 0x40) 114 | self.writeRegister(self.ModeReg, 0x3D) 115 | self.writeRegister(self.TestPinEnReg, 0x00) 116 | self.antennaOn() 117 | 118 | def reset(self, spd=None): 119 | if not self.writeRegister(self.CommandReg, self.PCD_RESETPHASE): 120 | self.ser.baudrate=115200 121 | self.writeRegister(self.CommandReg, self.PCD_RESETPHASE) 122 | self.ser.baudrate=9600 123 | time.sleep(0.05) 124 | self.writeRegister(self.SerialSpeedReg, 0x7A) 125 | self.ser.baudrate=115200 126 | 127 | 128 | 129 | def writeRegister(self, addr, val, size=None): 130 | if size is None: 131 | count = 0 132 | while True: 133 | self.ser.flushInput() 134 | self.ser.write(chr(addr&0x7F)) 135 | self.ser.write(chr(val)) 136 | tmp = ord(self.ser.read(1)) 137 | if(tmp == addr): 138 | return True 139 | count+=1 140 | if(count > 10): 141 | print ("Error de escritura en: "+ hex(addr)) 142 | return False 143 | else: 144 | self.ser.flushInput() 145 | for txBytes in range (0, size): 146 | self.ser.write(chr(addr&0x7F)) 147 | tmp = ord(self.ser.read(1)) 148 | if(tmp == addr): 149 | self.ser.write(chr(val[txBytes])) 150 | else: 151 | print ("Error de escritura en bloque") 152 | return False 153 | 154 | return True 155 | 156 | def readRegister(self, addr): 157 | self.ser.flushInput() 158 | self.ser.write(chr(addr|0x80)) 159 | val = self.ser.read(1) 160 | return ord(val) 161 | 162 | 163 | def setBitMask(self, reg, mask): 164 | tmp = self.readRegister(reg) 165 | self.writeRegister(reg, tmp | mask) 166 | 167 | def clearBitMask(self, reg, mask): 168 | tmp = self.readRegister(reg); 169 | self.writeRegister(reg, tmp & (~mask)) 170 | 171 | def antennaOn(self): 172 | temp = self.readRegister(self.TxControlReg) 173 | if(~(temp & 0x03)): 174 | self.setBitMask(self.TxControlReg, 0x03) 175 | 176 | def antennaOff(self): 177 | self.clearBitMask(self.TxControlReg, 0x03) 178 | 179 | def getAntennaGain(self): 180 | return self.readRegister((self.RFCfgReg) & (0x07<<4)) 181 | 182 | def setAntennaGain(self, mask): 183 | if (self.GetAntennaGain() != mask): 184 | self.ClearRegisterBitMask(self.RFCfgReg, (0x07<<4)) 185 | self.SetRegisterBitMask(self.RFCfgReg, mask & (0x07<<4)) 186 | 187 | 188 | def MFRC522_ToCard(self,command,sendData): 189 | backData = [] 190 | backLen = 0 191 | status = self.MI_ERR 192 | irqEn = 0x00 193 | waitIRq = 0x00 194 | lastBits = None 195 | n = 0 196 | i = 0 197 | 198 | if command == self.PCD_AUTHENT: 199 | irqEn = 0x12 200 | waitIRq = 0x10 201 | if command == self.PCD_TRANSCEIVE: 202 | irqEn = 0x77 203 | waitIRq = 0x30 204 | 205 | self.writeRegister(self.CommIEnReg, irqEn|0x80) 206 | self.clearBitMask(self.CommIrqReg, 0x80) 207 | self.setBitMask(self.FIFOLevelReg, 0x80) 208 | 209 | self.writeRegister(self.CommandReg, self.PCD_IDLE); 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No Surrender of Others' Freedom. 542 | 543 | If conditions are imposed on you (whether by court order, agreement or 544 | otherwise) that contradict the conditions of this License, they do not 545 | excuse you from the conditions of this License. If you cannot convey a 546 | covered work so as to satisfy simultaneously your obligations under this 547 | License and any other pertinent obligations, then as a consequence you may 548 | not convey it at all. For example, if you agree to terms that obligate you 549 | to collect a royalty for further conveying from those to whom you convey 550 | the Program, the only way you could satisfy both those terms and this 551 | License would be to refrain entirely from conveying the Program. 552 | 553 | 13. Use with the GNU Affero General Public License. 554 | 555 | Notwithstanding any other provision of this License, you have 556 | permission to link or combine any covered work with a work licensed 557 | under version 3 of the GNU Affero General Public License into a single 558 | combined work, and to convey the resulting work. The terms of this 559 | License will continue to apply to the part which is the covered work, 560 | but the special requirements of the GNU Affero General Public License, 561 | section 13, concerning interaction through a network will apply to the 562 | combination as such. 563 | 564 | 14. Revised Versions of this License. 565 | 566 | The Free Software Foundation may publish revised and/or new versions of 567 | the GNU General Public License from time to time. Such new versions will 568 | be similar in spirit to the present version, but may differ in detail to 569 | address new problems or concerns. 570 | 571 | Each version is given a distinguishing version number. If the 572 | Program specifies that a certain numbered version of the GNU General 573 | Public License "or any later version" applies to it, you have the 574 | option of following the terms and conditions either of that numbered 575 | version or of any later version published by the Free Software 576 | Foundation. If the Program does not specify a version number of the 577 | GNU General Public License, you may choose any version ever published 578 | by the Free Software Foundation. 579 | 580 | If the Program specifies that a proxy can decide which future 581 | versions of the GNU General Public License can be used, that proxy's 582 | public statement of acceptance of a version permanently authorizes you 583 | to choose that version for the Program. 584 | 585 | Later license versions may give you additional or different 586 | permissions. However, no additional obligations are imposed on any 587 | author or copyright holder as a result of your choosing to follow a 588 | later version. 589 | 590 | 15. Disclaimer of Warranty. 591 | 592 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 593 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 594 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 595 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 596 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 597 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 598 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 599 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 600 | 601 | 16. Limitation of Liability. 602 | 603 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 604 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 605 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 606 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 607 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 608 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 609 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 610 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 611 | SUCH DAMAGES. 612 | 613 | 17. Interpretation of Sections 15 and 16. 614 | 615 | If the disclaimer of warranty and limitation of liability provided 616 | above cannot be given local legal effect according to their terms, 617 | reviewing courts shall apply local law that most closely approximates 618 | an absolute waiver of all civil liability in connection with the 619 | Program, unless a warranty or assumption of liability accompanies a 620 | copy of the Program in return for a fee. 621 | 622 | END OF TERMS AND CONDITIONS 623 | 624 | How to Apply These Terms to Your New Programs 625 | 626 | If you develop a new program, and you want it to be of the greatest 627 | possible use to the public, the best way to achieve this is to make it 628 | free software which everyone can redistribute and change under these terms. 629 | 630 | To do so, attach the following notices to the program. It is safest 631 | to attach them to the start of each source file to most effectively 632 | state the exclusion of warranty; and each file should have at least 633 | the "copyright" line and a pointer to where the full notice is found. 634 | 635 | 636 | Copyright (C) 637 | 638 | This program is free software: you can redistribute it and/or modify 639 | it under the terms of the GNU General Public License as published by 640 | the Free Software Foundation, either version 3 of the License, or 641 | (at your option) any later version. 642 | 643 | This program is distributed in the hope that it will be useful, 644 | but WITHOUT ANY WARRANTY; without even the implied warranty of 645 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 646 | GNU General Public License for more details. 647 | 648 | You should have received a copy of the GNU General Public License 649 | along with this program. If not, see . 650 | 651 | Also add information on how to contact you by electronic and paper mail. 652 | 653 | If the program does terminal interaction, make it output a short 654 | notice like this when it starts in an interactive mode: 655 | 656 | {project} Copyright (C) {year} {fullname} 657 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 658 | This is free software, and you are welcome to redistribute it 659 | under certain conditions; type `show c' for details. 660 | 661 | The hypothetical commands `show w' and `show c' should show the appropriate 662 | parts of the General Public License. Of course, your program's commands 663 | might be different; for a GUI interface, you would use an "about box". 664 | 665 | You should also get your employer (if you work as a programmer) or school, 666 | if any, to sign a "copyright disclaimer" for the program, if necessary. 667 | For more information on this, and how to apply and follow the GNU GPL, see 668 | . 669 | 670 | The GNU General Public License does not permit incorporating your program 671 | into proprietary programs. If your program is a subroutine library, you 672 | may consider it more useful to permit linking proprietary applications with 673 | the library. If this is what you want to do, use the GNU Lesser General 674 | Public License instead of this License. But first, please read 675 | . 676 | --------------------------------------------------------------------------------