#define __MAIN_H

#include "main.h"

#undef __MAIN_H

#include

#include

#include

#include

#include "AT89S52.h"

#include "RICReg.H"

#include "m500a.H"

#include "PICCCmdConst.h"

#include "MfErrNo.h"

#define uchar unsigned char

#define uint unsigned int

//#define DataPort P0 // 并行数据接口

//pin define mcu 引脚定义

sbit RC500RST = P1^0; //复位 rc500

sbit RC500CS = P1^1; //rc500片选

sbit CARD_LED = P1^2; //系统LED灯

sbit SPEAKER = P1^3; //扬声器

bit bcard;

///////////////////////////////////////////////////////////////////////

// main

///////////////////////////////////////////////////////////////////////

void main(void)

{ //波特率

uchar baud;

InitSystem(); //系统初始化

delay_10ms(5); //延时

while (1)

{ delay_10ms(5);

if (bCmd) //判断执行命令标志位

{ bCmd = FALSE; //命令执行标志位清零

if(RevBuffer[0]==0x10) //RevBuffer[0]为0x10

{

RevBuffer[2]=RevBuffer[1];

cmd_ok();

SPEAKER=1;

CARD_LED=ON;

delay_10ms(RevBuffer[2]); //闪灯并鸣笛

SPEAKER=0;

CARD_LED=OFF;

}

else if(RevBuffer[0]==0x11) //RevBuffer[0]为0x11

{ switch(RevBuffer[1])

{ case 0:

baud=BAUD_9600;

break;

case 1:

baud=BAUD_14400;

break;

case 2:

baud=BAUD_19200;

break;

case 3:

baud=BAUD_28800;

break;

case 4:

baud=BAUD_38400;

break;

case 5:

baud=BAUD_57600;

break;

case 6:

baud=BAUD_115200;

break;

default:

baud=BAUD_19200;

break;

}

cmd_ok();

delay_10ms(5);

TR1 = 0;

TH1 = baud;

TL1 = TH1;

delay_10ms(2);

TR1 = TRUE;

}

else

uart_process(); //调用串口处理函数

}

}

}

///////////////////////////////////////////////////////////////////////

// 系统初始化

///////////////////////////////////////////////////////////////////////

void InitSystem(void)

{

RC500CS=0; //选通RC500

RC500RST=0; //复位

ET2 = FALSE; // 定时器2关中断

T2CON = 0x04; //TR2=1,TIMER2,auto reload

PCON = 0x80;

SCON = 0x70; // SMOD = 1;

TMOD = 0x21; //TMOD = 0x22;

TH1 = BAUD_19200; //定时器1产生波特率

TL1 = TH1;

TR1 = TRUE; // HT1

ET1=FALSE;

IT0 =TRUE; // Config ext0 as edge trigger for RC500

EX0 =TRUE; // Enable ext0 interrupt for RC500

EA = TRUE; // Enable all interrupts

TR2=FALSE; //Close T2

IP=0x10; //interrupt priority

ES = TRUE;

bCmd=FALSE; //

beep(1); //

splash(1);

MfConfig(); //配置RC500

}

///////////////////////////////////////////////////////////////////////

// uart 中断服务程序

///////////////////////////////////////////////////////////////////////

void Uart_ISR(void) interrupt 4 using 1

{

uchar len, i;

uint j=0;

if(RI) //如果是接收中断

{ len=SBUF; //读取接收到的数据

RI=0; //清除接收中断标志

for(i=0;i{

while(!RI)

{

j++;

if(j>1000)

{break; //超时退出

}

}

if(j<1000)

{ RevBuffer[i]=SBUF; //读取接收到的数据

RI=0;

j=0;

}

else

{break; }//超时退出

}

if(i==len)

{ REN=0; // 循环缓冲区环回

bCmd=TRUE; //命令标志位bCmd置位

}

}

else if(!RI && TI) //如果 RI=0,TI=1

{

TI=0; //清除发送中断标志位

len=RevBuffer[0]; //发送RevBuffer长度个数据

for(i=0;i{ SBUF=RevBuffer[i];

while(!TI)

;

TI=0;

}

REN=1;

}

}

///////////////////////////////////////////////////////////////////////

// uart process routine

///////////////////////////////////////////////////////////////////////

void uart_process(void)

{

uchar cmd;

uchar status;

cmd = RevBuffer[0];

switch(cmd)

{

case 0x20: // Request ,?

status=M500PiccCommonRequest(RevBuffer[1],&RevBuffer[2]);

if(status!=0)

{

status=M500PiccCommonRequest(RevBuffer[1],&RevBuffer[2]);

if(status!=0)

{

RevBuffer[0]=1;

RevBuffer[1]=status;

break;

}

}

if(RevBuffer[2]==2)

cardtype=mifare1S70; // Mifare1 S70 

else if(RevBuffer[2]==4)

cardtype=mifare1S50; // Mifare1 S50 

else if(RevBuffer[2]==16)

cardtype=mifarelight; // Mifare Light 

else

cardtype=unknowncard;

RevBuffer[0]=3; // 

RevBuffer[1]=status;

break;

case 0x21: //CardSnr

status = M500PiccCascAnticoll(0,&RevBuffer[2]);

if(status!=0) //ア?

{

RevBuffer[0]=1;

RevBuffer[1]=status;

break;

}

memcpy(CardSnr,&RevBuffer[2],4);

RevBuffer[0]=5;

RevBuffer[1]=status;

break;

case 0x22: // Select Card

status=M500PiccCascSelect(CardSnr,&RevBuffer[2]);

if(status!=MI_OK)

{

RevBuffer[0]=1;

RevBuffer[1]=status;

break;

}

RevBuffer[0]=3;

RevBuffer[1]=status;

break;

case 0x23: // Key loading into the MF RC500's EEPROM

status=M500PiccAuthE2(RevBuffer[1],CardSnr,RevBuffer[2],RevBuffer[3]);

RevBuffer[0]=1;

RevBuffer[1]=status;

break;

case 0x24: // Key loading into the MF RC500's EEPROM

status=M500PcdLoadKeyE2(RevBuffer[1],RevBuffer[2],&RevBuffer[3]);

RevBuffer[0]=1;

RevBuffer[1]=status;

break;

case 0x25: // Read the mifare card

status=M500PiccRead(RevBuffer[1],&RevBuffer[2]);

if(status==0)

{

if(cardtype==mifare1S50||cardtype==mifare1S70)

RevBuffer[0]=17;

else if(cardtype==1)

RevBuffer[0]=9;

else

RevBuffer[0]=16;

}

else

文章来源于:电子工程世界    原文链接