STM8RC522读写IC卡程序

1、#include "stm8s.h"#include "uart.h"void Delay(u32 nCount);extern u8 RxBufferRxBufferSize;extern u8 UART_RX_NUM;unsigned char CT2;/卡类型unsigned char SN4; /卡号unsigned char write16 = 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x10;unsigned char read16

2、= 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00;unsigned char key6 = 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF;#define countof(a) (sizeof(a) / sizeof(*(a)#define BufferSize (countof(Tx_Buffer)-1)u8 Tx_Buffer = "STM8S RFID TEST"u8 Rx_BufferBufferSize;u32 FLASH_ID ;void

3、 cardNo2String(u8 *cardNo, u8 *str);void main(void) unsigned char status; /*设置内部时钟16M为主时钟*/ CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); status = memcmp(read,write,16); GPIO_DeInit(GPIOA); GPIO_DeInit(GPIOC); Uart_Init(); GPIO_Init( GPIOA, GPIO_PIN_4, GPIO_MODE_OUT_PP_HIGH_FAST); InitRc522(); UART

4、2_SendString(Tx_Buffer,BufferSize); while(1) status = PcdRequest(PICC_REQALL,CT); /*扫描卡*/ status = PcdAnticoll(SN); /*防冲撞*/ if (status=MI_OK) GPIO_LOW(GPIOA, GPIO_PIN_4); /寻卡成功 UART2_SendString("The card Id is:",15); /串口发送卡号 cardNo2String(SN, Tx_Buffer); UART2_SendString(Tx_Buffer, 17); Re

5、set_RC522(); else GPIO_HIGH(GPIOA, GPIO_PIN_4); void Delay(u32 nCount) while (nCount != 0) nCount-; void Hex2String(u8 hex,u8 *str) str0 = (hex / 100) + '0' str1 = (hex % 100 / 10) + '0' str2 = (hex % 10) + '0'void cardNo2String(u8 *cardNo, u8 *str) u8 Count = 0; for(Count =

6、0; Count < 4; Count+) Hex2String(cardNoCount, str + Count * 4); if(Count = 3) str15 = 'n' else strCount * 4 + 3 = ':' void delay_ns(u32 ns) u32 i; for(i=0;i<ns;i+) asm("nop"); asm("nop"); asm("nop"); u8 SPIWriteByte(u8 Byte) u8 tmp; while (SPI_GetF

7、lagStatus( SPI_FLAG_TXE) = RESET); SPI_SendData(Byte); if (SPI_GetFlagStatus(SPI_FLAG_RXNE) tmp = SPI_ReceiveData(); return tmp; void SPI2_Init(void) SPI_DeInit(); SPI_Init( SPI_FIRSTBIT_MSB, /帧模式，先发送MSB还是LSB SPI_BAUDRATEPRESCALER_8, /波特率分频值 SPI_MODE_MASTER, /模式，主从模式 SPI_CLOCKPOLARITY_LOW, /时钟极性，空闲时

8、SCK为高/空闲时SCK为低 SPI_CLOCKPHASE_1EDGE, /数据采样的边沿选择 SPI_DATADIRECTION_2LINES_FULLDUPLEX, /双线单向数据模式，使用C6/C7两条线，数据传输方向位单向 SPI_NSS_SOFT, /软件从设备 0x07); SPI_Cmd(ENABLE);void InitRc522(void) SPI2_Init(); PcdReset(); PcdAntennaOff(); PcdAntennaOn(); M500PcdConfigISOType( 'A' );void Reset_RC522(void) Pc

9、dReset(); PcdAntennaOff(); 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_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(

10、u8 req_code,u8 *pTagType)char status; u8 unLen;u8 ucComMF522BufMAXRLEN; ClearBitMask(Status2Reg,0x08);WriteRawRC(BitFramingReg,0x07);SetBitMask(TxControlReg,0x03); ucComMF522Buf0 = req_code;status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen);if (status = MI_OK) && (

11、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 PcdAnticoll(u8 *pSnr) char status; u8 i,snr_check=0; u8 unLen; u8 ucComMF522BufMAXRLEN; ClearBitMask(Status2Reg,0x08); WriteRawRC(BitFrami

12、ngReg,0x00); ClearBitMask(CollReg,0x80); ucComMF522Buf0 = PICC_ANTICOLL1; ucComMF522Buf1 = 0x20; status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen); if (status = MI_OK) for (i=0; i<4; i+) *(pSnr+i) = ucComMF522Bufi; snr_check = ucComMF522Bufi; if (snr_check != ucComMF52

13、2Bufi) 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 ucComMF522BufMAXRLEN; ucComMF522Buf0 = PICC_ANTICOLL1; ucComMF522Buf1 = 0x70; ucComMF522Buf6 = 0; for (i=0; i<4; i+) ucComMF522B

14、ufi+2 = *(pSnr+i); ucComMF522Buf6 = *(pSnr+i); CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf7); ClearBitMask(Status2Reg,0x08); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,9,ucComMF522Buf,&unLen); if (status = MI_OK) && (unLen = 0x18) status = MI_OK; else status = MI_ERR; return st

15、atus;/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; u8 unLen; u8 ucComMF522BufMAXRLEN; ucComMF522Buf0 = auth_mode; ucComMF522Buf1 = addr; memcpy(&uc

16、ComMF522Buf2, pKey, 6); memcpy(&ucComMF522Buf8, pSnr, 4); status = PcdComMF522(PCD_AUTHENT,ucComMF522Buf,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

17、 PcdRead(u8 addr,u8 *p ) char status; u8 unLen; u8 i,ucComMF522BufMAXRLEN; ucComMF522Buf0 = PICC_READ; ucComMF522Buf1 = addr; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf2); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); if (status = MI_OK) && (unLen = 0x90)

18、 for (i=0; i<16; i+) *(p +i) = ucComMF522Bufi; else status = MI_ERR; return status;/功 能：写数据到M1卡一块/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(ucCom

19、MF522Buf,2,&ucComMF522Buf2); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); if (status != MI_OK) | (unLen != 4) | (ucComMF522Buf0 & 0x0F) != 0x0A) status = MI_ERR; if (status = MI_OK) for (i=0; i<16; i+) ucComMF522Bufi = *(p +i); CalulateCRC(ucComMF522Buf,1

20、6,&ucComMF522Buf16); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF522Buf,&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 ucComMF522BufMA

21、XRLEN; ucComMF522Buf0 = PICC_HALT; ucComMF522Buf1 = 0; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf2); 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); Writ

22、eRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); for (i=0; i<len; i+) WriteRawRC(FIFODataReg, *(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(CRCResul

23、tRegM);/功 能：复位RC522/返 回: 成功返回MI_OK/char PcdReset(void) GPIO_HIGH(RC522RST_GPIO_PORT,RC522RST_GPIO_PIN); delay_ns(10); GPIO_LOW(RC522RST_GPIO_PORT,RC522RST_GPIO_PIN); delay_ns(10); GPIO_HIGH(RC522RST_GPIO_PORT,RC522RST_GPIO_PIN); delay_ns(10); WriteRawRC(CommandReg,PCD_RESETPHASE); delay_ns(10); Writ

24、eRawRC(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 ClearBit

25、Mask(Status2Reg,0x08); WriteRawRC(ModeReg,0x3D); WriteRawRC(RxSelReg,0x86); WriteRawRC(RFCfgReg,0x7F); WriteRawRC(TReloadRegL,30); WriteRawRC(TReloadRegH,0); WriteRawRC(TModeReg,0x8D); WriteRawRC(TPrescalerReg,0x3E); delay_ns(1000); PcdAntennaOn(); else return 1; return MI_OK;/功 能：读RC632寄存器/参数说明：Add

26、ressIN:寄存器地址/返 回：读出的值/u8 ReadRawRC(u8 Address) u8 ucAddr; u8 ucResult=0; GPIO_LOW(RC522NSS_GPIO_PORT,RC522NSS_GPIO_PIN); ucAddr = (Address<<1)&0x7E)|0x80; SPIWriteByte(ucAddr); ucResult=SPIReadByte(); GPIO_HIGH(RC522NSS_GPIO_PORT,RC522NSS_GPIO_PIN); return ucResult;/功 能：写RC632寄存器/参数说明：Addr

27、essIN:寄存器地址/ valueIN:写入的值/void WriteRawRC(u8 Address, u8 value) u8 ucAddr; GPIO_LOW(RC522NSS_GPIO_PORT,RC522NSS_GPIO_PIN); ucAddr = (Address<<1)&0x7E); SPIWriteByte(ucAddr); SPIWriteByte(value);GPIO_HIGH(RC522NSS_GPIO_PORT,RC522NSS_GPIO_PIN);/功 能：置RC522寄存器位/参数说明：regIN:寄存器地址/ maskIN:置位值/voi

28、d SetBitMask(u8 reg,u8 mask) char tmp = 0x0; tmp = ReadRawRC(reg); WriteRawRC(reg,tmp | mask); / set bit mask/功 能：清RC522寄存器位/参数说明：regIN:寄存器地址/ maskIN:清位值/void ClearBitMask(u8 reg,u8 mask) char tmp = 0x0; tmp = ReadRawRC(reg); WriteRawRC(reg, tmp & mask); / clear bit mask /功 能：通过RC522和ISO14443卡通讯

29、/参数说明：CommandIN:RC522命令字/ pIn IN:通过RC522发送到卡片的数据/ InLenByteIN:发送数据的字节长度/ pOut OUT:接收到的卡片返回数据/ *pOutLenBitOUT:返回数据的位长度/char PcdComMF522(u8 Command, u8 *pIn , u8 InLenByte, u8 *pOut , u8 *pOutLenBit) char status = MI_ERR; u8 irqEn = 0x00; u8 waitFor = 0x00; u8 lastBits; u8 n; u16 i; switch (Command) c

30、ase PCD_AUTHENT: irqEn = 0x12; waitFor = 0x10; break; case PCD_TRANSCEIVE: irqEn = 0x77; waitFor = 0x30; break; default: break; WriteRawRC(ComIEnReg,irqEn|0x80); ClearBitMask(ComIrqReg,0x80);/清所有中断位 WriteRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); /清FIFO缓存 for (i=0; i<InLenByte; i+

31、) WriteRawRC(FIFODataReg, pIn i); WriteRawRC(CommandReg, Command); / n = ReadRawRC(CommandReg); if (Command = PCD_TRANSCEIVE) SetBitMask(BitFramingReg,0x80); /开始传送 /i = 600;/根据时钟频率调整，操作M1卡最大等待时间25ms i = 10000; do n = ReadRawRC(ComIrqReg); i-; while (i!=0) && !(n&0x01) && !(n&

32、waitFor); ClearBitMask(BitFramingReg,0x80); if (i!=0) if(!(ReadRawRC(ErrorReg)&0x1B) status = MI_OK; if (n & irqEn & 0x01) status = MI_NOTAGERR; if (Command = PCD_TRANSCEIVE) n = ReadRawRC(FIFOLevelReg); lastBits = ReadRawRC(ControlReg) & 0x07; if (lastBits) *pOutLenBit = (n-1)*8 + l

33、astBits; else *pOutLenBit = n*8; if (n = 0) n = 1; if (n > MAXRLEN) n = MAXRLEN; for (i=0; i<n; i+) pOuti = ReadRawRC(FIFODataReg); else status = MI_ERR; SetBitMask(ControlReg,0x80); / stop timer now WriteRawRC(CommandReg,PCD_IDLE); return status;/开启天线 /每次启动或关闭天险发射之间应至少有1ms的间隔/void PcdAntennaOn(void) u8 i; i = ReadRawRC(TxControlReg); if (!(i & 0x03) SetBitMask(TxControlReg, 0x03); /关闭天线/void PcdAntennaOf