基于AT89C52单片机 + RC500 Mifare 读卡器电路设计资料 包含原理图PCB及源代码

/* * Copyright (c), Philips Semiconductors Gratkorn / Austria * * (C)PHILIPS Electronics N.V.2000 * All rights are reserved. Reproduction in whole or in part is * prohibited without the written consent of the copyright owner. * Philips reserves the right to make changes without notice at any time. * Philips makes no warranty, expressed, implied or statutory, including but * not limited to any implied warranty of merchantability or fitness for any *particular purpose, or that the use will not infringe any third party patent, * copyright or trademark. Philips must not be liable for any loss or damage * arising from its use. */ #ifndef MFRC500_H #define MFRC500_H #ifdef __cplusplus extern "C" { #endif // General Include File for serveral defines concerning conditional library // compilation and microcontroller usage #include "OsDefs.h" #define PICC_REQIDL 0x26 //!< request idle #define PICC_REQALL 0x52 //!< request all #define PICC_ANTICOLL1 0x93 //!< anticollision level 1 106 kBaud #define PICC_ANTICOLL2 0x95 //!< anticollision level 2 #define PICC_ANTICOLL3 0x97 //!< anticollision level 3 #define PICC_AUTHENT1A 0x60 //!< authentication using key A #define PICC_AUTHENT1B 0x61 //!< authentication using key B #define PICC_READ 0x30 //!< read block #define PICC_WRITE 0xA0 //!< write block #define PICC_DECREMENT 0xC0 //!< decrement value #define PICC_INCREMENT 0xC1 //!< increment value #define PICC_RESTORE 0xC2 //!< restore command code #define PICC_TRANSFER 0xB0 //!< transfer command code #define PICC_HALT 0x50 //!< halt /* * This function has to be called before the first data is written to the * MF RC500 in order to perform the internal configuration. A reset of the * MF RC500 is done and several registers are set. */ FCT_PREF Mf500PcdConfig(void); /* * The MF RC500 reader IC configured in the slave configuration is able to * communicate with another MF RC500 configured in the master configuration * via the digital <em>MFin</em> and <em>MFOut</em> pins. * * The master MF RC500 reader IC sends commands and data using the * <em>MFOut</em> pin. The slave reader IC receives the data via * <em>MFin</em> pin. Sending data back from the slave IC is done connecting the * <em>MFOut</em> for the slave IC and <em>MFin</em> for the master MF RC500. * * In this configuration the slave module can not be initialized by the * microcontroller because only the <em>mifare in/out</em> interface is * connected between both MF RC500's. The slave module has to be initialized * before the connection is established. During this initialization the * appropriate parameter settings are written to the E2PROM. * After POR (power on reset) the IC reads these settings and initializes * itself automatically as slave IC. * * Additionally, it is possible to connect the slave reader Ic to the �C * to have the possibility to change the setting in the application later. */ FCT_PREF Mf500ActiveAntennaSlaveConfig(void); /* * This function initializes the master reader IC to use it in an active antenna * configuration. * * This function is additional to the standard configuration * <em>Mf500PcdConfig</em>. * * The MF RC500 reader IC configured in the master * configuration is able to communicate with another MF RC500 configured in the * slave configuration via the digital <em>MFin</em> and <em>MFout</em> pins. * The corresponding slave configuration routine for the slave MF RC 500 can be * initialized by the function <em>MF500ActiveAntennaSlaveConfig</em>. */ FCT_PREF Mf500ActiveAntennaMasterConfig(void); /* * Set MIFARE PCD (Proximity Coupling Device) with * default values for the baudrate divider (106 kBaud). */ FCT_PREF Mf500PcdSetDefaultAttrib(void); /* * This function accesses the reader module and activates sending the REQ code * to the MIFARE� card. After sending the command to the card the function * waits for the card's answer. * * Please note, that this function has an identical functionality to the * Mf500PiccCommonRequest function, which is desribed by ISO 14443A command set. * Depending on the Request Code and the state of the cards in the field * all cards reply with their Tag-Type synchronously. The time between end of the * Request command and start of reply of the card is exactly 8 * 9.44 us long. * The Tag-Type field is 16 bits long and only one bit out of 16 is set. * * When cards with different Tag-Types are in field, the MF RC500 is able to * identify all types of cards in the RF-field. Further more, the Tag-Type * is used to identify a card with cascaded serial number. * Double and Triple serial numbers are possible. * * Relevant bit positions LSByte: * <ul> * <li> [8..7] UID size * <ul> * <li> 00 standard 32 bit long UID * <li> 01 UID size double (56 bit long) * <li> 10 UID size triple (80 bit long) * </ul> * <li> [5..1] if any bit is set, frame anticollision is supported; * tag type recognition * </ul> * * * The complete MSByte is RFU. * * Note: Future cards will work also with other request codes. */ FCT_PREF Mf500PiccRequest(unsigned char req_code, unsigned char *atq); /* * Please note, that this function has an identical functionallity * to function Mf500PiccRequest. */ FCT_PREF Mf500PiccCommonRequest(unsigned char req_code, unsigned char *atq); /* * This function calls MF500PiccCascAnticoll with select_code 0x93 to perform * the anitcollision for MIFARE� Classic card ICs . */ FCT_PREF Mf500PiccAnticoll (unsigned char bcnt, unsigned char *snr); /* * Corresponding to the specification in ISO 14443 A, this function handles * extended serial numbers. Therefore more than one select_code is possible. * * The function transmits a select code and all ready tags are responding. * The return value of this function will be the serial number of one PICC. */ FCT_PREF Mf500PiccCascAnticoll (unsigned char select_code, unsigned char bcnt, unsigned char *snr); /* * This function selects a card by the specified serial number. All other cards * in the field fall back into the idle mode and they are not longer involved * during the communication. The actual select procedure is done by the function * <em>Mf500PiccCascSelect</em>, which is called with select_code 0x93. */ FCT_PREF Mf500PiccSelect(unsigned char *snr, unsigned char *sak); /* * This functions selects a UID level, depending on select code and * returns a Select Acknowledge byte. * * Corresponding to the specification in ISO 14443 A, this function * is able to handle extended serial numbers. So that more than * one select_codes are possible. * * Relevant bit positions in SAK are 6 and 1. All other bit positions * are RFU. * * Valid combinations are: * <ul> * <li> XX1XX0XX UID complete, ATS available * <li> XX0XX0XX UID complete, ATS not available * <li> XXXXX1XX UID not complete * </ul> */ FCT_PREF Mf500PiccCascSelect(unsigned char select_code, unsigned char *snr, unsigned char *sak); /* * This function performs a Request-Idle, Anticollision, Select sequence to * activate the PICC and change its state from IDLE to ACTIVE state. * Cascaded serialnumbers are handled correctly. */ FCT_PREF Mf500PiccActivateIdle(unsigned char br, unsigned char *atq,