總結一下最近學的東西，這兩天學的東西，rfid門卡系統終於弄出來來了，這個程序算現在寫過的比較滿意的程序，大家可以參考參考
主函數：
#include<reg52.h> #include"mian.h" #include"rc522.h" #include"12864.h" //卡號為0扇區0塊內容的前四字節為卡號，且此塊內容不能改寫 uchar status; uchar g_ucTempbuf[20]; unsigned char hextoasc(unsigned char i) { if(i<0x09) { i=i+'0'; return i; } else { i=i+0x37; return i; } } void main() { uint i; uchar flagren,flagzhenque; uchar xule[4] = "8171"; //初始化： init_12864(); lcd_pos(1,2); write_string("實驗重地"); lcd_pos(2,2); write_string("閑人免進"); while(1) { flagren = hwgy(); if(flagren == 1) break; } write_cmd(0x01);//清除lcd的顯示內容 lcd_pos(1,3); write_string("歡迎"); lcd_pos(2,2); write_string("請刷卡！！"); PcdReset();//rc522初始化 PcdAntennaOff(); //關閉和打開天線 PcdAntennaOn(); M500PcdConfigISOType('A');//設定工作模式 //防沖突，這里需要一個循環，讓讀卡器不斷去讀卡 while(1) { status = PcdRequest(PICC_REQALL, g_ucTempbuf); //PICC_REQALL他是個宏定義 意思是尋找天線內的所有卡片， // g_ucTempbuf 是個數組，在這里函數讀取卡內的前兩位放在數組中 if(status != MI_OK)//沒有找到卡，繼續執行PcdRequest() { continue; } status = PcdAnticoll(g_ucTempbuf);//防沖突 //卡片序列號，4字節,這里的status可以判PcdAnticoll的執行情況 //如果執行成功，表示g_ucTempbuf上面已經記在唯一的卡號了 //在這里g_ucTempbuf已經用了2+4個 if(status != MI_OK)//沒有找到卡，繼續執行PcdRequest() { continue; } if(status == MI_OK) { LED_GREEN =0; for(i=0;i<4;i++)//在12864上顯示卡號 { if( hextoasc((g_ucTempbuf[i]&0xf0)>>4) == xule[i]) { write_cmd(0x01); lcd_pos(1,2); write_string("封韋傑"); lcd_pos(2,2); write_string("請進！！"); flagzhenque = 1; } else { write_cmd(0x01); flagzhenque = 0; lcd_pos(1,3); write_string("錯誤！"); lcd_pos(2,2); write_string("請出示門卡！"); break; //尋卡失敗跳出循環 } } if(flagzhenque == 1) { for(i=0;i<125;i++) { step(); } } LED_GREEN = 1; } } } void DelayMs(unsigned int _MS) { TH1 = (unsigned char)(RCAP2_1ms>>8); TL1 = (unsigned char)(RCAP2_1ms); ET1 = 0; // Disable timer2 interrupt TR1 = 1; while (_MS--) { while (!TF1); TF1 = 0; TH1 = (unsigned char)(RCAP2_1ms>>8); TL1 = (unsigned char)(RCAP2_1ms); } TR1 = 0; }
rc522.c
#include <intrins.h> #include <REG52.H> #include "mian.h" #include "rc522.h" #define MAXRLEN 18 ///////////////////////////////////////////////////////////////////// //功 能：尋卡 //參數說明: req_code[IN]:尋卡方式 // 0x52 = 尋感應區內所有符合14443A標准的卡 // 0x26 = 尋未進入休眠狀態的卡 // pTagType[OUT]：卡片類型代碼 // 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(unsigned char req_code,unsigned char *pTagType) { 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：防沖撞 //參數說明: pSnr[OUT]:卡片序列號，4字節 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// char PcdAnticoll(unsigned char *pSnr) { 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：選定卡片 //參數說明: pSnr[IN]:卡片序列號，4字節 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// /*char PcdSelect(unsigned char *pSnr) { 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：驗證卡片密碼 //參數說明: auth_mode[IN]: 密碼驗證模式 // 0x60 = 驗證A密鑰 // 0x61 = 驗證B密鑰 // addr[IN]：塊地址 // pKey[IN]：密碼 // pSnr[IN]：卡片序列號，4字節 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// /*char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr) { 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; } */ ///////////////////////////////////////////////////////////////////// //功 能：讀取M1卡一塊數據 //參數說明: addr[IN]：塊地址 // pData[OUT]：讀出的數據，16字節 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// /*char PcdRead(unsigned char addr,unsigned char *pData) { char status; unsigned int unLen; unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_READ; ucComMF522Buf[1] = addr; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); if ((status == MI_OK) && (unLen == 0x90)) // { memcpy(pData, ucComMF522Buf, 16); } { for (i=0; i<16; i++) { *(pData+i) = ucComMF522Buf[i]; } } else { status = MI_ERR; } return status; } */ ///////////////////////////////////////////////////////////////////// //功 能：寫數據到M1卡一塊 //參數說明: addr[IN]：塊地址 // pData[IN]：寫入的數據，16字節 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// /*char PcdWrite(unsigned char addr,unsigned char *pData) { char status; unsigned int unLen; unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_WRITE; ucComMF522Buf[1] = addr; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) { status = MI_ERR; } if (status == MI_OK) { //memcpy(ucComMF522Buf, pData, 16); for (i=0; i<16; i++) { ucComMF522Buf[i] = *(pData+i); } CalulateCRC(ucComMF522Buf,16,&ucComMF522Buf[16]); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF522Buf,&unLen); if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) { status = MI_ERR; } } return status; } */ ///////////////////////////////////////////////////////////////////// //功 能：扣款和充值 //參數說明: dd_mode[IN]：命令字 // 0xC0 = 扣款 // 0xC1 = 充值 // addr[IN]：錢包地址 // pValue[IN]：4字節增(減)值，低位在前 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// // char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue) // { // char status; // unsigned int unLen; // unsigned char i,ucComMF522Buf[MAXRLEN]; // // ucComMF522Buf[0] = dd_mode; // ucComMF522Buf[1] = addr; // CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); // if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) // { status = MI_ERR; } // // if (status == MI_OK) // { // // memcpy(ucComMF522Buf, pValue, 4); // for (i=0; i<16; i++) // { ucComMF522Buf[i] = *(pValue+i); } // CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]); // unLen = 0; // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen); // if (status != MI_ERR) // { status = MI_OK; } // } // // if (status == MI_OK) // { // ucComMF522Buf[0] = PICC_TRANSFER; // ucComMF522Buf[1] = addr; // CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); // // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); // if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) // { status = MI_ERR; } // } // return status; // } ///////////////////////////////////////////////////////////////////// //功 能：備份錢包 //參數說明: sourceaddr[IN]：源地址 // goaladdr[IN]：目標地址 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// // char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr) // { // char status; // unsigned int unLen; // unsigned char ucComMF522Buf[MAXRLEN]; // ucComMF522Buf[0] = PICC_RESTORE; // ucComMF522Buf[1] = sourceaddr; // CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); // // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); // if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) // { status = MI_ERR; } // // if (status == MI_OK) // { // ucComMF522Buf[0] = 0; // ucComMF522Buf[1] = 0; // ucComMF522Buf[2] = 0; // ucComMF522Buf[3] = 0; // CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]); // // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen); // if (status != MI_ERR) // { status = MI_OK; } // } // // if (status != MI_OK) // { return MI_ERR; } // // ucComMF522Buf[0] = PICC_TRANSFER; // ucComMF522Buf[1] = goaladdr; // CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); // // status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); // if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)) // { status = MI_ERR; } // return status; // } ///////////////////////////////////////////////////////////////////// //功 能：命令卡片進入休眠狀態 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// char PcdHalt(void) { char status; unsigned int unLen; unsigned char ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_HALT; ucComMF522Buf[1] = 0; CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen); return MI_OK; } ///////////////////////////////////////////////////////////////////// //用MF522計算CRC16函數 ///////////////////////////////////////////////////////////////////// void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData) { unsigned char i,n; ClearBitMask(DivIrqReg,0x04); WriteRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); for (i=0; i<len; i++) { WriteRawRC(FIFODataReg, *(pIndata+i)); } WriteRawRC(CommandReg, PCD_CALCCRC); i = 0xFF; do { n = ReadRawRC(DivIrqReg); i--; } while ((i!=0) && !(n&0x04)); pOutData[0] = ReadRawRC(CRCResultRegL); pOutData[1] = ReadRawRC(CRCResultRegM); } ///////////////////////////////////////////////////////////////////// //功 能：復位RC522 //返 回: 成功返回MI_OK ///////////////////////////////////////////////////////////////////// char PcdReset(void) { MF522_RST=1; _nop_(); MF522_RST=0; _nop_(); MF522_RST=1; _nop_(); WriteRawRC(CommandReg,PCD_RESETPHASE); _nop_(); WriteRawRC(ModeReg,0x3D); //和Mifare卡通訊，CRC初始值0x6363 WriteRawRC(TReloadRegL,30); WriteRawRC(TReloadRegH,0); WriteRawRC(TModeReg,0x8D); WriteRawRC(TPrescalerReg,0x3E); WriteRawRC(TxAutoReg,0x40); return MI_OK; } ////////////////////////////////////////////////////////////////////// //設置RC632的工作方式 ////////////////////////////////////////////////////////////////////// char M500PcdConfigISOType(unsigned char type) { if (type == 'A') //ISO14443_A { ClearBitMask(Status2Reg,0x08); /* WriteRawRC(CommandReg,0x20); //as default WriteRawRC(ComIEnReg,0x80); //as default WriteRawRC(DivlEnReg,0x0); //as default WriteRawRC(ComIrqReg,0x04); //as default WriteRawRC(DivIrqReg,0x0); //as default WriteRawRC(Status2Reg,0x0);//80 //trun off temperature sensor WriteRawRC(WaterLevelReg,0x08); //as default WriteRawRC(ControlReg,0x20); //as default WriteRawRC(CollReg,0x80); //as default */ WriteRawRC(ModeReg,0x3D);//3F /* WriteRawRC(TxModeReg,0x0); //as default??? WriteRawRC(RxModeReg,0x0); //as default??? WriteRawRC(TxControlReg,0x80); //as default??? WriteRawRC(TxSelReg,0x10); //as default??? */ WriteRawRC(RxSelReg,0x86);//84 // WriteRawRC(RxThresholdReg,0x84);//as default // WriteRawRC(DemodReg,0x4D); //as default // WriteRawRC(ModWidthReg,0x13);//26 WriteRawRC(RFCfgReg,0x7F); //4F /* WriteRawRC(GsNReg,0x88); //as default??? WriteRawRC(CWGsCfgReg,0x20); //as default??? WriteRawRC(ModGsCfgReg,0x20); //as default??? */ WriteRawRC(TReloadRegL,30);//tmoLength);// TReloadVal = 'h6a =tmoLength(dec) WriteRawRC(TReloadRegH,0); WriteRawRC(TModeReg,0x8D); WriteRawRC(TPrescalerReg,0x3E); // PcdSetTmo(106); DelayMs(1); PcdAntennaOn(); } else{ return -1; } return MI_OK; } ///////////////////////////////////////////////////////////////////// //功 能：讀RC632寄存器 //參數說明：Address[IN]:寄存器地址 //返 回：讀出的值 ///////////////////////////////////////////////////////////////////// unsigned char ReadRawRC(unsigned char Address) { unsigned char i, ucAddr; unsigned char ucResult=0; MF522_SCK = 0; MF522_NSS = 0; ucAddr = ((Address<<1)&0x7E)|0x80; for(i=8;i>0;i--) { MF522_SI = ((ucAddr&0x80)==0x80); MF522_SCK = 1; ucAddr <<= 1; MF522_SCK = 0; } for(i=8;i>0;i--) { MF522_SCK = 1; ucResult <<= 1; ucResult|=(bit)MF522_SO; MF522_SCK = 0; } MF522_NSS = 1; MF522_SCK = 1; return ucResult; } ///////////////////////////////////////////////////////////////////// //功 能：寫RC632寄存器 //參數說明：Address[IN]:寄存器地址 // value[IN]:寫入的值 ///////////////////////////////////////////////////////////////////// void WriteRawRC(unsigned char Address, unsigned char value) { unsigned char i, ucAddr; MF522_SCK = 0; MF522_NSS = 0; ucAddr = ((Address<<1)&0x7E); for(i=8;i>0;i--) { MF522_SI = ((ucAddr&0x80)==0x80); MF522_SCK = 1; ucAddr <<= 1; MF522_SCK = 0; } for(i=8;i>0;i--) { MF522_SI = ((value&0x80)==0x80); MF522_SCK = 1; value <<= 1; MF522_SCK = 0; } MF522_NSS = 1; MF522_SCK = 1; } ///////////////////////////////////////////////////////////////////// //功 能：置RC522寄存器位 //參數說明：reg[IN]:寄存器地址 // mask[IN]:置位值 ///////////////////////////////////////////////////////////////////// void SetBitMask(unsigned char reg,unsigned char mask) { char tmp = 0x0; tmp = ReadRawRC(reg); WriteRawRC(reg,tmp | mask); // set bit mask } ///////////////////////////////////////////////////////////////////// //功 能：清RC522寄存器位 //參數說明：reg[IN]:寄存器地址 // mask[IN]:清位值 ///////////////////////////////////////////////////////////////////// void ClearBitMask(unsigned char reg,unsigned char mask) { char tmp = 0x0; tmp = ReadRawRC(reg); WriteRawRC(reg, tmp & ~mask); // clear bit mask } ///////////////////////////////////////////////////////////////////// //功 能：通過RC522和ISO14443卡通訊 //參數說明：Command[IN]:RC522命令字 // pInData[IN]:通過RC522發送到卡片的數據 // InLenByte[IN]:發送數據的字節長度 // pOutData[OUT]:接收到的卡片返回數據 // *pOutLenBit[OUT]:返回數據的位長度 ///////////////////////////////////////////////////////////////////// char PcdComMF522(unsigned char Command, unsigned char *pInData, unsigned char InLenByte, unsigned char *pOutData, unsigned int *pOutLenBit) { char status = MI_ERR; unsigned char irqEn = 0x00; unsigned char waitFor = 0x00; unsigned char lastBits; unsigned char n; unsigned int i; switch (Command) { case PCD_AUTHENT: irqEn = 0x12; waitFor = 0x10; break; case PCD_TRANSCEIVE: irqEn = 0x77; waitFor = 0x30; break; default: break; } WriteRawRC(ComIEnReg,irqEn|0x80); ClearBitMask(ComIrqReg,0x80); WriteRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); for (i=0; i<InLenByte; i++) { WriteRawRC(FIFODataReg, pInData[i]); } WriteRawRC(CommandReg, Command); if (Command == PCD_TRANSCEIVE) { SetBitMask(BitFramingReg,0x80); } // i = 600;//根據時鍾頻率調整，操作M1卡最大等待時間25ms i = 2000; do { n = ReadRawRC(ComIrqReg); i--; } while ((i!=0) && !(n&0x01) && !(n&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 + lastBits; } else { *pOutLenBit = n*8; } if (n == 0) { n = 1; } if (n > MAXRLEN) { n = MAXRLEN; } for (i=0; i<n; i++) { pOutData[i] = ReadRawRC(FIFODataReg); } } } else { status = MI_ERR; } } SetBitMask(ControlReg,0x80); // stop timer now WriteRawRC(CommandReg,PCD_IDLE); return status; } ///////////////////////////////////////////////////////////////////// //開啟天線 //每次啟動或關閉天險發射之間應至少有1ms的間隔 ///////////////////////////////////////////////////////////////////// void PcdAntennaOn() { unsigned char i; i = ReadRawRC(TxControlReg); if (!(i & 0x03)) { SetBitMask(TxControlReg, 0x03); } } ///////////////////////////////////////////////////////////////////// //關閉天線 ///////////////////////////////////////////////////////////////////// void PcdAntennaOff() { ClearBitMask(TxControlReg, 0x03); }
step.c
#include<reg52.h> #define Step 500 void step() { unsigned int i; P3 = 0x01;//0000 0001 for(i = 0;i<Step;i++); P3 = 0x02;//0000 0010 for(i = 0;i<Step;i++); P3 = 0x04;//0000 0100 for(i = 0;i<Step;i++); P3 = 0x08;//0000 1000 for(i = 0;i<Step;i++); }
12864.c
#include"12864.h" #include<reg52.h> sbit lcdrs = P2^4;//數據還是指令選擇端口 sbit lcdwr = P2^5;//讀寫選擇端口 sbit lcden = P2^6;//使能端口 sbit PSB = P2^1;//串並口選擇端口 /*uchar code table1[]={"Welcome!!"}; uchar code table2[]={"Psw:"}; uchar code table3[] ={"Open"}; uchar code table4[] ={"Error try again!"}; uchar code table5[] ={"Error 3 times!!"};*/ void delay1ms(uint x)//延時函數 { uint i,j; for(i= x;i>0;i--) for(j=110;j>0;j--); } void write_cmd(uchar cmd)//寫指令函數 { lcdrs = 0; lcdwr = 0; P0 = cmd; lcden = 1; delay1ms(5);// lcden = 0; } void write_date(uchar date)//寫數據函數 { lcdrs = 1; lcdwr = 0; P0 = date; lcden = 1; delay1ms(5);// lcden = 0; } void write_string(uchar *str)//寫入字符串函數 { for(;*str!='\0';str++) { write_date(*str); delay1ms(2); } } void init_12864() { PSB = 1;//並口方式傳送數據 write_cmd(0x30);//基本指令操作 write_cmd(0x0c);//開顯示，關光標 write_cmd(0x01);//清除lcd的顯示內容 } void lcd_putpic(unsigned char code *img)//畫圖函數 { uint i,j; //畫圖上半部分 for(i = 0;i<32;i++) { write_cmd(0x80+i);// write_cmd(0x80);// for(j=0;j<16;j++) { write_date(*img); img++; } } //畫下部分的屏幕 for(i = 0;i<32;i++) { write_cmd(0x80+i);//設定列 write_cmd(0x88);//從第三行開始畫圖 for(j=0;j<16;j++) { write_date(*img); img++; } } } void setpic()//設定畫圖功能的函數 { write_cmd(0x36);//設定畫圖其畫圖功能 delay1ms(5); } void lcd_pos(uchar x,uchar y)//設定顯示位置的函數 { uchar pos; if(x==0) x=0x80; else if(x==1) x=0x90; else if(x==2) x=0x88; else if(x==3) x=0x98; pos=x+y; write_cmd(pos); }
hongwai.c
#include<reg52.h> #include"12864.h" sbit led = P3^5; sbit hongwai = P3^6; uchar flag; uchar hwgy() { hongwai = 1; while(1) { if(hongwai ==1)//檢測到高電平的話，延時一下 { delay1ms(20); if(hongwai == 1)//再次檢測一下 { led = 0; flag = 1; return flag; break; } } else { led = 1; flag = 0; return flag; } } }
頭文件：
12864.h
#ifndef __12864_H__ #define _12864_H__ #include<reg52.h> typedef unsigned int uint; typedef unsigned char uchar; /*extern uchar code table1[] ; extern uchar code table2[] ; extern uchar code table3[] ; extern uchar code table4[] ; extern uchar code table5[] ;*/ extern unsigned char code pic1[]; void delay1ms(uint x);//延時函數 void write_cmd(uchar cmd);//寫指令函數 void write_date(uchar date);//寫數據函數 void init_12864(); void lcd_putpic(unsigned char code *img);//畫圖函數 void setpic();//設定畫圖功能的函數 void lcd_pos(uchar x,uchar y);//設定顯示位置的函數 void write_string(uchar *str); //紅外感應模塊 uchar hwgy(); #endif
main.h
#ifndef __MIAN_H_ #define __MIAN_H_ ////////////////////////////////// //端口定義 ///////////////////////////////////////////////////////////////////// //MFRC500 sbit MF522_RST = P1^1; //RC500?? sbit MF522_NSS = P1^7; sbit MF522_SCK = P1^6; sbit MF522_SI = P1^5; sbit MF522_SO = P1^2; //??? sbit LED_GREEN = P1^0; ///////////////////////////////////////////////////////////////////// //函數原型 ///////////////////////////////////////////////////////////////////// void InitializeSystem(); void step(); #define OSC_FREQ 7372800L #define RCAP2_50us 65536L - OSC_FREQ/40417L #define RCAP2_1ms 65536L - OSC_FREQ/2000L #define RCAP2_10ms 65536L - OSC_FREQ/1200L #define TIME0_500us 65536L - OSC_FREQ/8000L #define TIME0_10ms 65536L - OSC_FREQ/200 void DelayMs(unsigned int _MS); #endif
rc522.h
///////////////////////////////////////////////////////////////////// //函數原型 ///////////////////////////////////////////////////////////////////// char PcdReset(void); void PcdAntennaOn(void); void PcdAntennaOff(void); char PcdRequest(unsigned char req_code,unsigned char *pTagType); 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 PcdRead(unsigned char addr,unsigned char *pData); char PcdWrite(unsigned char addr,unsigned char *pData); char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue); char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr); char PcdHalt(void); char PcdComMF522(unsigned char Command, unsigned char *pInData, unsigned char InLenByte, unsigned char *pOutData, unsigned int *pOutLenBit); void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData); void WriteRawRC(unsigned char Address,unsigned char value); unsigned char ReadRawRC(unsigned char Address); void SetBitMask(unsigned char reg,unsigned char mask); void ClearBitMask(unsigned char reg,unsigned char mask); char M500PcdConfigISOType(unsigned char type); ///////////////////////////////////////////////////////////////////// //MF522命令字 ///////////////////////////////////////////////////////////////////// #define PCD_IDLE 0x00 //取消當前命令 #define PCD_AUTHENT 0x0E //驗證密鑰 #define PCD_RECEIVE 0x08 //接收數據 #define PCD_TRANSMIT 0x04 //發送數據 #define PCD_TRANSCEIVE 0x0C //發送並接收數據 #define PCD_RESETPHASE 0x0F //復位 #define PCD_CALCCRC 0x03 //CRC計算 ///////////////////////////////////////////////////////////////////// //Mifare_One卡片命令字 ///////////////////////////////////////////////////////////////////// #define PICC_REQIDL 0x26 //尋天線區內未進入休眠狀態 #define PICC_REQALL 0x52 //尋天線區內全部卡 #define PICC_ANTICOLL1 0x93 //防沖撞 #define PICC_ANTICOLL2 0x95 //防沖撞 #define PICC_AUTHENT1A 0x60 //驗證A密鑰 #define PICC_AUTHENT1B 0x61 //驗證B密鑰 #define PICC_READ 0x30 //讀塊 #define PICC_WRITE 0xA0 //寫塊 #define PICC_DECREMENT 0xC0 //扣款 #define PICC_INCREMENT 0xC1 //充值 #define PICC_RESTORE 0xC2 //調塊數據到緩沖區 #define PICC_TRANSFER 0xB0 //保存緩沖區中數據 #define PICC_HALT 0x50 //休眠 ///////////////////////////////////////////////////////////////////// //MF522 FIFO長度定義 ///////////////////////////////////////////////////////////////////// #define DEF_FIFO_LENGTH 64 //FIFO size=64byte ///////////////////////////////////////////////////////////////////// //MF522寄存器定義 ///////////////////////////////////////////////////////////////////// // PAGE 0 #define RFU00 0x00 #define CommandReg 0x01 #define ComIEnReg 0x02 #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 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 RFU1D 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 0x2A #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 AutoTestReg 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通訊時返回的錯誤代碼 ///////////////////////////////////////////////////////////////////// #define MI_OK 0 #define MI_NOTAGERR (-1) #define MI_ERR (-2)
完整版本的程序：請見：http://download.csdn.net/detail/generoius/6700269
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