RC522通过SPI方式读写M1卡22页

1、1.准备工作战舰V3开发板，RC522模块为淘宝所买，赠送一张M1卡。SPI方式实测可以读写。2.RC522部分：rc522.h:/#include sys.h/MF522命令字/#define PCD_IDLE 0x00 /取消当前命令#define PCD_AUTHENT 0x0E /验证密钥#define PCD_RECEIVE 0x08 /接收数据#define PCD_TRANSMIT 0x04 /发送数据#define PCD_TRANSCEIVE 0x0C /发送并接收数据#define PCD_RESETPHASE 0x0F /复位#define PCD_CALCCRC 0x0

2、3 /CRC计算/Mifare_One卡片命令字/#define PICC_REQIDL 0x26 /寻天线区内未进入休眠状态#define PICC_REQALL 0x52 /寻天线区内全部卡#define PICC_ANTICOLL1 0x93 /防冲撞#define PICC_ANTICOLL2 0x95 /防冲撞#define PICC_AUTHENT1A 0x60 /验证A密钥#define PICC_AUTHENT1B 0x61 /验证B密钥#define PICC_READ 0x30 /读块#define PICC_WRITE 0xA0 /写块#define PICC_DECRE

3、MENT 0xC0 /扣款#define PICC_INCREMENT 0xC1 /充值#define PICC_RESTORE 0xC2 /调块数据到缓冲区#define PICC_TRANSFER 0xB0 /保存缓冲区中数据#define PICC_HALT 0x50 /休眠/MF522 FIFO长度定义/#define DEF_FIFO_LENGTH 64 /FIFO size=64byte#define MAXRLEN 18/MF522寄存器定义/ PAGE 0#define RFU00 0x00 #define CommandReg 0x01 #define ComIEnReg 0

4、x02 #define DivlEnReg 0x03 #define ComIrqReg 0x04 #define DivIrqReg 0x05#define ErrorReg 0x06 #define Status1Reg 0x07 #define Status2Reg 0x08 #define FIFODataReg 0x09#define FIFOLevelReg 0x0A#define WaterLevelReg 0x0B#define ControlReg 0x0C#define BitFramingReg 0x0D#define CollReg 0x0E#define RFU0F

5、0x0F/ PAGE 1 #define RFU10 0x10#define ModeReg 0x11#define TxModeReg 0x12#define RxModeReg 0x13#define TxControlReg 0x14#define TxAutoReg 0x15#define TxSelReg 0x16#define RxSelReg 0x17#define RxThresholdReg 0x18#define DemodReg 0x19#define RFU1A 0x1A#define RFU1B 0x1B#define MifareReg 0x1C#define RF

6、U1D 0x1D#define RFU1E 0x1E#define SerialSpeedReg 0x1F/ PAGE 2 #define RFU20 0x20 #define CRCResultRegM 0x21#define CRCResultRegL 0x22#define RFU23 0x23#define ModWidthReg 0x24#define RFU25 0x25#define RFCfgReg 0x26#define GsNReg 0x27#define CWGsCfgReg 0x28#define ModGsCfgReg 0x29#define TModeReg 0x2

7、A#define TPrescalerReg 0x2B#define TReloadRegH 0x2C#define TReloadRegL 0x2D#define TCounterValueRegH 0x2E#define TCounterValueRegL 0x2F/ PAGE 3 #define RFU30 0x30#define TestSel1Reg 0x31#define TestSel2Reg 0x32#define TestPinEnReg 0x33#define TestPinValueReg 0x34#define TestBusReg 0x35#define AutoTe

8、stReg 0x36#define VersionReg 0x37#define AnalogTestReg 0x38#define TestDAC1Reg 0x39 #define TestDAC2Reg 0x3A #define TestADCReg 0x3B #define RFU3C 0x3C #define RFU3D 0x3D #define RFU3E 0x3E #define RFU3F 0x3F/和MF522通讯时返回的错误代码/#define MI_OK 0#define MI_NOTAGERR (1)#define MI_ERR (2)#defineSHAQU10X01#

9、defineKUAI40X04#defineKUAI70X07#defineREGCARD0xa1#defineCONSUME0xa2#define READCARD0xa3#define ADDMONEY0xa4#define SPIReadByte()SPIWriteByte(0)u8 SPIWriteByte(u8 byte);void SPI2_Init(void);#define SET_SPI_CS GPIO_SetBits(GPIOF,GPIO_Pin_0);#define CLR_SPI_CS GPIO_ResetBits(GPIOF,GPIO_Pin_0)#define SE

10、T_RC522RST GPIO_SetBits(GPIOF,GPIO_Pin_1);#define CLR_RC522RST GPIO_ResetBits(GPIOF,GPIO_Pin_1)void InitRc522(void);void Usart1_Send_String(unsigned char *str);void ClearBitMask(u8 reg,u8 mask);void WriteRawRC(u8 Address, u8 value);void SetBitMask(u8 reg,u8 mask);char PcdComMF522(u8 Command, u8 *pIn

11、 , u8 InLenByte, u8 *pOut , u8 *pOutLenBit);void CalulateCRC(u8 *pIn ,u8 len,u8 *pOut );u8 ReadRawRC(u8 Address);void PcdAntennaOn(void);char PcdReset(void);char PcdRequest(unsigned char req_code,unsigned char *pTagType);void PcdAntennaOn(void);void PcdAntennaOff(void);char M500PcdConfigISOType(unsi

12、gned char type);char PcdAnticoll(unsigned char *pSnr);char PcdSelect(unsigned char *pSnr);char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr);char PcdWrite(unsigned char addr,unsigned char *pData);char PcdRead(unsigned char addr,unsigned char *pData)

13、;char PcdHalt(void);void Reset_RC522(void);char PcdValue(u8 dd_mode,u8 addr,u8 *pValue);/rc522.c:#include sys.h#include rc522.h#include delay.hvoid delay_ns(u32 ns) u32 i; for(i=0;i200)return 0; SPI_I2S_SendData(SPI2, TxData); /通过外设SPIx发送一个数据retry=0;while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RX

14、NE) = RESET) /检查指定的SPI标志位设置与否:接受缓存非空标志位retry+;if(retry200)return 0; return SPI_I2S_ReceiveData(SPI2); /返回通过SPIx最近接收的数据 void SPI2_Init(void) GPIO_InitTypeDef GPIO_InitStructure; SPI_InitTypeDef SPI_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOF, ENABLE );/PORTB时钟使能 RC

15、C_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE );/SPI2时钟使能 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; /IO-PF0、PF1 端口配置 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; /推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; /IO口速度为50MHz GPIO_Init(GPIOF, &GPIO_InitStructure); /根据设定参数初始化PF

16、0、PF1 GPIO_ResetBits(GPIOF,GPIO_Pin_1); /PF1输出低 /GPIO_SetBits(GPIOF,GPIO_Pin_0);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; /PB13/14/15复用推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIO_InitStructur

17、e);/初始化GPIOB GPIO_SetBits(GPIOB,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); /PB13/14/15上拉SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; /设置SPI单向或者双向的数据模式:SPI设置为双线双向全双工SPI_InitStructure.SPI_Mode = SPI_Mode_Master;/设置SPI工作模式:设置为主SPISPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;/设置SPI的

18、数据大小:SPI发送接收8位帧结构SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;/串行同步时钟的空闲状态为低电平SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;/串行同步时钟的第一个跳变沿（上升或下降）数据被采样SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;/NSS信号由硬件（NSS管脚）还是软件（使用SSI位）管理:内部NSS信号有SSI位控制SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;/定

19、义波特率预分频的值:波特率预分频值为256SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;/指定数据传输从MSB位还是LSB位开始:数据传输从MSB位开始SPI_InitStructure.SPI_CRCPolynomial = 7;/CRC值计算的多项式SPI_Init(SPI2, &SPI_InitStructure); /根据SPI_InitStruct中指定的参数初始化外设SPIx寄存器 SPI_Cmd(SPI2, ENABLE); /使能SPI外设/SPI2_ReadWriteByte(0xff);/启动传输void InitRc5

20、22(void) SPI2_Init(); PcdReset(); PcdAntennaOff(); delay_ms(2); PcdAntennaOn(); M500PcdConfigISOType( A );void Reset_RC522(void) PcdReset(); PcdAntennaOff(); delay_ms(2); PcdAntennaOn(); /功 能：寻卡/参数说明: req_codeIN:寻卡方式/ 0x52 = 寻感应区内所有符合14443A标准的卡/ 0x26 = 寻未进入休眠状态的卡/ pTagTypeOUT：卡片类型代码/ 0x4400 = Mifare

21、_UltraLight/ 0x0400 = Mifare_One(S50)/ 0x0200 = Mifare_One(S70)/ 0x0800 = Mifare_Pro(X)/ 0x4403 = Mifare_DESFire/返 回: 成功返回MI_OK/char PcdRequest(u8 req_code,u8 *pTagType)char status; u8 unLen;u8 ucComMF522BufMAXRLEN; ClearBitMask(Status2Reg,0x08);WriteRawRC(BitFramingReg,0x07);SetBitMask(TxControlReg

22、,0x03); ucComMF522Buf0 = req_code;status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen);if (status = MI_OK) & (unLen = 0x10) *pTagType = ucComMF522Buf0;*(pTagType+1) = ucComMF522Buf1;else status = MI_ERR; return status;/功 能：防冲撞/参数说明: pSnrOUT:卡片序列号，4字节/返 回: 成功返回MI_OK/ char PcdAnti

23、coll(u8 *pSnr) char status; u8 i,snr_check=0; u8 unLen; u8 ucComMF522BufMAXRLEN; ClearBitMask(Status2Reg,0x08); WriteRawRC(BitFramingReg,0x00); ClearBitMask(CollReg,0x80); ucComMF522Buf0 = PICC_ANTICOLL1; ucComMF522Buf1 = 0x20; status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen

24、); if (status = MI_OK) for (i=0; i4; i+) *(pSnr+i) = ucComMF522Bufi; snr_check = ucComMF522Bufi; if (snr_check != ucComMF522Bufi) status = MI_ERR; SetBitMask(CollReg,0x80); return status;/功 能：选定卡片/参数说明: pSnrIN:卡片序列号，4字节/返 回: 成功返回MI_OK/char PcdSelect(u8 *pSnr) char status; u8 i; u8 unLen; u8 ucComMF5

25、22BufMAXRLEN; ucComMF522Buf0 = PICC_ANTICOLL1; ucComMF522Buf1 = 0x70; ucComMF522Buf6 = 0; for (i=0; i4; i+) ucComMF522Bufi+2 = *(pSnr+i); ucComMF522Buf6 = *(pSnr+i); CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf7); ClearBitMask(Status2Reg,0x08); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,9,ucCom

26、MF522Buf,&unLen); if (status = MI_OK) & (unLen = 0x18) status = MI_OK; else status = MI_ERR; return status;/功 能：验证卡片密码/参数说明: auth_modeIN: 密码验证模式/ 0x60 = 验证A密钥/ 0x61 = 验证B密钥 / addrIN：块地址/ pKeyIN：密码/ pSnrIN：卡片序列号，4字节/返 回: 成功返回MI_OK/ char PcdAuthState(u8 auth_mode,u8 addr,u8 *pKey,u8 *pSnr) char status

27、; u8 unLen; u8 i,ucComMF522BufMAXRLEN; ucComMF522Buf0 = auth_mode; ucComMF522Buf1 = addr;/ for (i=0; i6; i+)/ ucComMF522Bufi+2 = *(pKey+i); / for (i=0; i6; i+)/ ucComMF522Bufi+8 = *(pSnr+i); memcpy(&ucComMF522Buf2, pKey, 6); memcpy(&ucComMF522Buf8, pSnr, 4); status = PcdComMF522(PCD_AUTHENT,ucComMF5

28、22Buf,12,ucComMF522Buf,&unLen); if (status != MI_OK) | (!(ReadRawRC(Status2Reg) & 0x08) status = MI_ERR; return status;/功 能：读取M1卡一块数据/参数说明: addrIN：块地址/ p OUT：读出的数据，16字节/返 回: 成功返回MI_OK/ char PcdRead(u8 addr,u8 *p ) char status; u8 unLen; u8 i,ucComMF522BufMAXRLEN; ucComMF522Buf0 = PICC_READ; ucComMF5

29、22Buf1 = addr; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf2); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); if (status = MI_OK) & (unLen = 0x90) / memcpy(p , ucComMF522Buf, 16); for (i=0; i16; i+) *(p +i) = ucComMF522Bufi; else status = MI_ERR; return status;/功 能：写数据到M1卡一

30、块/参数说明: addrIN：块地址/ p IN：写入的数据，16字节/返 回: 成功返回MI_OK/ char PcdWrite(u8 addr,u8 *p ) char status; u8 unLen; u8 i,ucComMF522BufMAXRLEN; ucComMF522Buf0 = PICC_WRITE; ucComMF522Buf1 = addr; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf2); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unL

31、en); if (status != MI_OK) | (unLen != 4) | (ucComMF522Buf0 & 0x0F) != 0x0A) status = MI_ERR; if (status = MI_OK) /memcpy(ucComMF522Buf, p , 16); for (i=0; i16; i+) ucComMF522Bufi = *(p +i); CalulateCRC(ucComMF522Buf,16,&ucComMF522Buf16); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF52

32、2Buf,&unLen); if (status != MI_OK) | (unLen != 4) | (ucComMF522Buf0 & 0x0F) != 0x0A) status = MI_ERR; return status;/功 能：命令卡片进入休眠状态/返 回: 成功返回MI_OK/char PcdHalt(void) u8 status; u8 unLen; u8 ucComMF522BufMAXRLEN; ucComMF522Buf0 = PICC_HALT; ucComMF522Buf1 = 0; CalulateCRC(ucComMF522Buf,2,&ucComMF522B

33、uf2); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); return MI_OK;/用MF522计算CRC16函数/void CalulateCRC(u8 *pIn ,u8 len,u8 *pOut ) u8 i,n; ClearBitMask(DivIrqReg,0x04); WriteRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); for (i=0; ilen; i+) WriteRawRC(FIFODataReg,

34、 *(pIn +i); WriteRawRC(CommandReg, PCD_CALCCRC); i = 0xFF; do n = ReadRawRC(DivIrqReg); i-; while (i!=0) & !(n&0x04); pOut 0 = ReadRawRC(CRCResultRegL); pOut 1 = ReadRawRC(CRCResultRegM);/功 能：复位RC522/返 回: 成功返回MI_OK/char PcdReset(void)/PORTD|=(1RC522RST);SET_RC522RST; delay_ns(10);/PORTD&=(1RC522RST)

35、;CLR_RC522RST; delay_ns(10);/PORTD|=(1RC522RST);SET_RC522RST; delay_ns(10); WriteRawRC(CommandReg,PCD_RESETPHASE);WriteRawRC(CommandReg,PCD_RESETPHASE); delay_ns(10); WriteRawRC(ModeReg,0x3D); /和Mifare卡通讯，CRC初始值0x6363 WriteRawRC(TReloadRegL,30); WriteRawRC(TReloadRegH,0); WriteRawRC(TModeReg,0x8D); WriteRawRC(TPrescalerReg,0x3E);WriteRawRC(TxAutoReg,0x40);/必须要 return MI_OK;/设置RC632的工作方式 /char M500PcdConfigISOType(u8 type) if (type = A) /ISO14443_A ClearBitMask(Status2Reg,0x08); WriteRawRC(ModeRe