stc89c52rc驱动rc522源程序实测有效 -

#include "lpcreg.h"
#include "main.h"
#include "mfrc522.h"
#include <STDIO.H>
#include <string.h>
unsigned char code data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
//M1卡的某一块写为如下格式，则该块为钱包，可接收扣款和充值命令
//4字节金额（低字节在前）＋4字节金额取反＋4字节金额＋1字节块地址＋1字节块地址取反＋1字节块地址＋1字节块地址取反
unsigned char code data2[4] = {0,0,0,0x01};
unsigned char code DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char g_ucTempbuf[20];
void delay1(unsigned int z)
{
unsigned int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void main( )
{
unsigned char status,i;
unsigned int temp;
InitializeSystem( );
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
while (1)
{
status = PcdRequest(PICC_REQALL, g_ucTempbuf);//寻卡
if (status != MI_OK)
{
InitializeSystem( );
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
continue;
}
printf("读出的卡的类型:");
for(i=0;i<2;i++)
{
temp=g_ucTempbuf[i];
printf("%X",temp);
}
status = PcdAnticoll(g_ucTempbuf);//防冲撞
if (status != MI_OK)
{ continue; }
////////以下为超级终端打印出的内容////////////////////////
printf("卡序列号："); //超级终端显示,
for(i=0;i<4;i++)
{
temp=g_ucTempbuf[i];
printf("%X",temp);
}
///////////////////////////////////////////////////////////
status = PcdSelect(g_ucTempbuf);//选定卡片
if (status != MI_OK)
{ continue; }
status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);//验证卡片密码
if (status != MI_OK)
{ continue; }
status = PcdWrite(1, data1);//写块
if (status != MI_OK)
{ continue; }
while(1)
{
status = PcdRequest(PICC_REQALL, g_ucTempbuf);//寻卡
if (status != MI_OK)
{
InitializeSystem( );
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
continue;
}
status = PcdAnticoll(g_ucTempbuf);//防冲撞
if (status != MI_OK)
{ continue; }
status = PcdSelect(g_ucTempbuf);//选定卡片
if (status != MI_OK)
{ continue; }
status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);//验证卡片密码
if (status != MI_OK)
{ continue; }
status = PcdValue(PICC_DECREMENT,1,data2);//扣款
if (status != MI_OK)
{ continue; }
status = PcdBakValue(1, 2);//块备份
if (status != MI_OK)
{ continue; }
status = PcdRead(2, g_ucTempbuf);//读块
if (status != MI_OK)
{ continue; }
printf("此卡的读块："); //超级终端显示,
for(i=0;i<16;i++)
{
temp=g_ucTempbuf[i];
printf("%X",temp);
}
printf("\n");
LED_GREEN = 0;
delay1(100);
LED_GREEN = 1;
delay1(100);
LED_GREEN = 0;
delay1(200);
LED_GREEN = 1;
PcdHalt();
}
}
}
/////////////////////////////////////////////////////////////////////
//系统初始化
/////////////////////////////////////////////////////////////////////
void InitializeSystem()
{
P0M1 = 0x0; P0M2 = 0x0;
P1M1 = 0x0; P1M2 = 0x0;
P3M1 = 0x0; P3M2 = 0xFF;
P0 = 0xFF; P1 = 0xFF; P3 = 0xFF;P2 = 0xFF;
TMOD=0x21; //设T0为方式1，GATE=1；
SCON=0x50;
TH1=0xFD; //波特率为4800bps
TL1=0xFD;
// TH1=0XE0; //9600
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