文件名称：RC522完整程序
文件大小：36KB
文件格式：RAR
更新时间：2015-09-15 14:13:18
RFID
///////////////////////////////////////////////////////////////////// //功 能：寻卡 //参数说明: req_code[IN]: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 // pTagType[OUT]：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 ///////////////////////////////////////////////////////////////////// signed char PcdRequest(unsigned char req_code,unsigned char *pTagType) { signed char status; unsigned int unLen; unsigned char ucComMF522Buf[MAXRLEN]; ClearBitMask(Status2Reg,0x08); WriteRawRC(BitFramingReg,0x07); SetBitMask(TxControlReg,0x03); ucComMF522Buf[0] = req_code; status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen;); if ((status == MI_OK) && (unLen == 0x10)) { *pTagType = ucComMF522Buf[0]; *(pTagType+1) = ucComMF522Buf[1]; } else { status = MI_ERR; } return status; } ///////////////////////////////////////////////////////////////////// //功 能：防冲撞 //参数说明: pSnr[OUT]:卡片序列号，4字节 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// signed char PcdAnticoll(unsigned char *pSnr) { signed char status; unsigned char i,snr_check=0; unsigned int unLen; unsigned char ucComMF522Buf[MAXRLEN]; ClearBitMask(Status2Reg,0x08); WriteRawRC(BitFramingReg,0x00); ClearBitMask(CollReg,0x80); ucComMF522Buf[0] = PICC_ANTICOLL1; ucComMF522Buf[1] = 0x20; status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen;); if (status == MI_OK) { for (i=0; i<4; i++) { *(pSnr+i) = ucComMF522Buf[i]; snr_check ^= ucComMF522Buf[i]; } if (snr_check != ucComMF522Buf[i]) { status = MI_ERR; } } SetBitMask(CollReg,0x80); return status; } ///////////////////////////////////////////////////////////////////// //功 能：选定卡片 //参数说明: pSnr[IN]:卡片序列号，4字节 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// signed char PcdSelect(unsigned char *pSnr) { signed char status; unsigned char i; unsigned int unLen; unsigned char ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_ANTICOLL1; ucComMF522Buf[1] = 0x70; ucComMF522Buf[6] = 0; for (i=0; i<4; i++) { ucComMF522Buf[i+2] = *(pSnr+i); ucComMF522Buf[6] ^= *(pSnr+i); } CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf;[7]); 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 status; } ///////////////////////////////////////////////////////////////////// //功 能：验证卡片密码 //参数说明: auth_mode[IN]: 密码验证模式 // 0x60 = 验证A密钥 // 0x61 = 验证B密钥 // addr[IN]：块地址 // pKey[IN]：密码 // pSnr[IN]：卡片序列号，4字节 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// signed char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr) { signed char status; unsigned int unLen; unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = auth_mode; ucComMF522Buf[1] = addr; for (i=0; i<6; i++) { ucComMF522Buf[i+2] = *(pKey+i); } for (i=0; i<6; i++) { ucComMF522Buf[i+8] = *(pSnr+i); } // memcpy(&ucComMF522Buf;[2], pKey, 6); // memcpy(&ucComMF522Buf;[8], pSnr, 4); status = PcdComMF522(PCD_AUTHENT,ucComMF522Buf,12,ucComMF522Buf,&unLen;); if ((status != MI_OK) || (!(ReadRawRC(Status2Reg) & 0x08))) { status = MI_ERR; } return status; }
【文件预览】：
Rc522_Keil
----MAIN.H(2KB)
----TEST522.lnp(57B)
----RC522.C(19KB)
----TEST522.plg(787B)
----MAIN.LST(16KB)
----TEST522_Uv2.Bak(2KB)
----TEST522.M51(8KB)
----TEST522(4KB)
----TEST522.Opt(2KB)
----MAIN.OBJ(3KB)
----TEST522.hex(9KB)
----TEST522_Opt.Bak(2KB)
----REG52.H(2KB)
----MFRC522.H(6KB)
----RC522.LST(29KB)
----TEST522.Uv2(2KB)
----MAIN.C(7KB)
----LPCREG.H(3KB)
----RC522.OBJ(8KB)