51门禁系统源程序.docx

1、51门禁系统源程序51门禁系统源程序#include reg52.h#include main.h#include uart.h#include timer.h#include rc522.h#include ctrl.h#include lcd12864.h#include beep.h#include key.h #include EEPROM.h void init_all(void) /初始化 EA = 0; /关总中断 init_timer(); /定时器初始化 init_uart(); /串口初始化 init_rc522(); /RC522初始化 lcd_init(); /LCD初

2、始化 EEPROM_READ(0,Card_SN_BUF,4);/EEPROM初始化,取出记录的卡号 EEPROM_READ(7,KEY_BUF,8);/EEPROM初始化,取出记录的密码 send_bytes(Card_SN_BUF,4); EA = 1; /开总中断void main(void) /主函数 INT8U key; Delay_ms(50); /让硬件稳定 init_all(); /执行初始化函数 relay_OFF(); /关继电器 LED_BLINK_1(); /led test beep1(); /beep test display(0,0,0); /显示初始化 whil

3、e(1) key=key_scan(); /按键操作 if(key=12) if(states0) states-; else states=0; /上一功能 Card_SN_BUF4=0xff,0xff,0xff,0xff,/卡号登记缓冲区 KEY_BUF8=0,0,0,0,0,0,0,0;INT8U bPass = 0; bWarn = 0; void uart_over( void ) /串口数据还原 UartCount = 0; UartStart = FALSE; UartComp = FALSE;void pass( void ) beep1(); Delay_ms(2000);/

4、让卡片离开 LED_BLINK_1();void warn(void) LED_BLINK_2();INT8U IC_READ( void ) INT8U ID_ASC8,i; if( PcdRequest( PICC_REQIDL, Card_type ) != MI_OK )/寻天线区内未进入休眠状态的卡，返回卡片类型 2字节 if( PcdRequest( PICC_REQIDL, Card_type ) != MI_OK )/寻天线区内未进入休眠状态的卡，返回卡片类型 2字节 return FALSE; if( PcdAnticoll( Card_SN ) != MI_OK ) /防冲

5、撞，返回卡的序列号 4字节 bWarn = 1; return FALSE; bPass = 1; send_bytes(Card_type,2); send_bytes(Card_SN,4); for(i=0;i9) ID_ASCi*2=Card_SNi/16+7; else ID_ASCi*2=Card_SNi/16+0; if(Card_SNi%169) ID_ASCi*2+1=Card_SNi%16+7; else ID_ASCi*2+1=Card_SNi%16+0; display2(3,0,ID: ,4); /显示卡号 display2(3,2,ID_ASC,8); return

6、TRUE;void ctrl_process( void ) INT8U i,key_count,key_value=16,table8=-,statesbuf; if(states!=statesbuf) /状态改变，清屏 display_clear_line(2); display_clear_line(3); statesbuf=states; switch(states) case 0: /IC卡读卡输入 display(1,0,1); if(IC_READ() if (Card_SN0=Card_SN_BUF0) &(Card_SN1=Card_SN_BUF1) &(Card_SN2

7、=Card_SN_BUF2) &(Card_SN3=Card_SN_BUF3) relay_ON();/灯开关 display(2,0,5); else display(2,0,6); relay_OFF(); break; case 1: display(1,0,2); /密码输入 display2(3,0,table,8); key_count=0; while(1) key_value=key_scan(); if(key_value=12) states-; return; if(key_value=13) states+; return; if(key_value=0 & key_v

8、alue =9)/有按键输入 tablekey_count+=key_value+0; display2(3,0,table,8); if(key_value=11)/退格 table-key_count=-; display2(3,0,table,8); if(key_count=8) if( table0=KEY_BUF0 & table1=KEY_BUF1 & table2=KEY_BUF2 & table3=KEY_BUF3 & table4=KEY_BUF4 & table5=KEY_BUF5 & table6=KEY_BUF6 & table7=KEY_BUF7 ) /密吗正确 b

9、Pass=1; relay_ON();/灯开关 display(2,0,5); relay_OFF(); break; else /密码错误 relay_OFF(); beep1() ; bWarn=1; display(2,0,6); break; break ; case 2: display(1,0,3); /IC卡登记 if(IC_READ() for(i=0;i=0 & key_value =9)/有按键输入 tablekey_count+=key_value+0; display2(3,0,table,8); if(key_value=11)/退格 table-key_count=

10、-; display2(3,0,table,8); if(key_count=8 & key_value = 15) /按下确定键 for(i=0;i8;i+) KEY_BUFi=tablei; EEPROM_WRITE(7,KEY_BUF,8);/写入EEPROM break; break ; default : break; if( bPass ) /处理成功 bPass = 0; pass(); if( bWarn ) /处理失败 bWarn = 0; warn(); #include reg52.h #include intrins.h #include main.h #include

11、 rc522.h #include string.hvoid delay_ns(unsigned int ns) unsigned int i; for(i=0;ins;i+) nop(); nop(); nop(); /-/ 读SPI数据 /-unsigned char SPIReadByte(void) unsigned char SPICount; / Counter used to clock out the data unsigned char SPIData; SPIData = 0; for (SPICount = 0; SPICount 8; SPICount+) / Prep

12、are to clock in the data to be read SPIData =1; / Rotate the data CLR_SPI_CK; /nop();/nop(); / Raise the clock to clock the data out of the MAX7456 if(STU_SPI_MISO) SPIData|=0x01; SET_SPI_CK; /nop();/nop(); / Drop the clock ready for the next bit / and loop back return (SPIData); / Finally return th

13、e read data /-/ 写SPI数据 /-void SPIWriteByte(unsigned char SPIData) unsigned char SPICount; / Counter used to clock out the data for (SPICount = 0; SPICount 8; SPICount+) if (SPIData & 0x80) SET_SPI_MOSI; else CLR_SPI_MOSI; nop();nop(); CLR_SPI_CK;nop();nop(); SET_SPI_CK;nop();nop(); SPIData = 1; /功 能

14、：读RC632寄存器/参数说明：AddressIN:寄存器地址/返 回：读出的值/unsigned char ReadRawRC(unsigned char Address) unsigned char ucAddr; unsigned char ucResult=0; CLR_SPI_CS; ucAddr = (Address1)&0x7E)|0x80; SPIWriteByte(ucAddr); ucResult=SPIReadByte(); SET_SPI_CS; return ucResult;/功 能：写RC632寄存器/参数说明：AddressIN:寄存器地址/ valueIN:写

15、入的值/void WriteRawRC(unsigned char Address, unsigned char value) unsigned char ucAddr; CLR_SPI_CS; ucAddr = (Address1)&0x7E); SPIWriteByte(ucAddr); SPIWriteByte(value); SET_SPI_CS; /功 能：清RC522寄存器位/参数说明：regIN:寄存器地址/ maskIN:清位值/void ClearBitMask(unsigned char reg,unsigned char mask) char tmp = 0x00; tm

16、p = ReadRawRC(reg); WriteRawRC(reg, tmp & mask); / clear bit mask /功 能：置RC522寄存器位/参数说明：regIN:寄存器地址/ maskIN:置位值/void SetBitMask(unsigned char reg,unsigned char mask) char tmp = 0x00; tmp = ReadRawRC(reg); WriteRawRC(reg,tmp | mask); / set bit mask/用MF522计算CRC16函数/void CalulateCRC(unsigned char *pInda

17、ta,unsigned char len,unsigned char *pOutData) unsigned char i,n; ClearBitMask(DivIrqReg,0x04); WriteRawRC(CommandReg,PCD_IDLE); SetBitMask(FIFOLevelReg,0x80); for (i=0; ilen; i+) WriteRawRC(FIFODataReg, *(pIndata+i); WriteRawRC(CommandReg, PCD_CALCCRC); i = 0xFF; do n = ReadRawRC(DivIrqReg); i-; whi

18、le (i!=0) & !(n&0x04); pOutData0 = ReadRawRC(CRCResultRegL); pOutData1 = ReadRawRC(CRCResultRegM);/功 能：通过RC522和ISO14443卡通讯/参数说明：CommandIN:RC522命令字/ pInDataIN:通过RC522发送到卡片的数据/ InLenByteIN:发送数据的字节长度/ pOutDataOUT:接收到的卡片返回数据/ *pOutLenBitOUT:返回数据的位长度/char PcdComMF522(unsigned char Command, unsigned char

19、*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

20、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 MAXRLEN) n = MAXRLEN; for (i=0; in; i+) pOutDatai = ReadRawRC(FIFODataReg); else status = MI_ERR;