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#include "lpcreg.h"
#include "main.h"
#include "mfrc522.h"
unsigned char code data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
//M1卡的某一塊寫為如下格式，則該塊為錢包，可接收扣款和充值命令
//4字節金額（低字節在前）＋4字節金額取反＋4字節金額＋1字節塊地址＋1字節塊地址取反＋1字節塊地址＋1字節塊地址取反
unsigned char code data2[4] = {0x12,0,0,0};
unsigned char code DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char g_ucTempbuf[20];
void main( )
{
unsigned char status;
InitializeSystem( );
PcdReset();
PcdAntennaOff(); //關閉天線
PcdAntennaOn(); //開啟天線
while ( 1 )
{
status = PcdRequest(PICC_REQALL, g_ucTempbuf); #define PICC_REQIDL 0x26 //尋天線區內未進入休眠狀態
////////////////////////////////////////////////////////////////////////////////
if (status != MI_OK)
{
LED_GREEN = 1;
continue;
}
/////////////////////////////////////////////////////////////////////
LED_GREEN = 0;
status = PcdAnticoll(g_ucTempbuf);
//////////////////////////////////////////////////////////////////////
if (status != MI_OK)
{
continue;
}
/////////////////////////////////////////////////////////////////////
status = PcdSelect(g_ucTempbuf);
if (status != MI_OK)
{
continue;
}
////////////////////////////////////////////////////////////////////////////
status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);
if (status != MI_OK)
{
continue;
}
/////////////////////////////////////////////////////////////////////////////
status = PcdWrite(1, data1);
if (status != MI_OK)
{
continue;
}
/////////////////////////////////////////////////////////////////////////////////
status = PcdValue(PICC_DECREMENT,1,data2);
if (status != MI_OK)
{
continue;
}
/////////////////////////////////////////////////////////////////////////////////
status = PcdBakValue(1, 2);
if (status != MI_OK)
{
continue;
}
/////////////////////////////////////////////////////////////////////////////
status = PcdRead(2, g_ucTempbuf);
if (status != MI_OK)
{
continue;
}
PcdHalt(); //命令卡片進入休眠狀態
}
}
/////////////////////////////////////////////////////////////////////
//系統初始化
/////////////////////////////////////////////////////////////////////
void InitializeSystem()
{
P0M1 = 0x0; P0M2 = 0x0;
P1M1 = 0x0; P1M2 = 0x0;
P3M1 = 0x0; P3M2 = 0xFF;
P0 = 0xFF; P1 = 0xFF; P3 = 0xFF;
}
/////////////////////////////////////////////////////////////////////
//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);
return MI_OK;
}
/////////////////////////////////////////////////////////////////////
//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：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;
}

復制代碼

#include <msp430x41x.h>
#include "main.h"
#include "mfrc522.h"
#pragma memory = constseg(TAB)
unsigned char data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
//M1卡的某一塊寫為如下格式，則該塊為錢包，可接收扣款和充值命令
//4字節金額（低字節在前）＋4字節金額取反＋4字節金額＋1字節塊地址＋1字節塊地址取反＋1字節塊地址＋1字節塊地址取反
unsigned char data2[4] = {0x12,0,0,0};
unsigned char DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
#pragma memory=default
unsigned char g_ucTempbuf[20];
void main(void)
{
unsigned char status;
InitializeSystem();
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
while ( 1 )
{
status = PcdRequest(PICC_REQALL, g_ucTempbuf);
if (status != MI_OK)
{
LED_GREEN_OFF;
continue;
}
LED_GREEN_ON; //檢測到有卡存在
status = PcdAnticoll(g_ucTempbuf);
if (status != MI_OK)
{ continue; }
status = PcdSelect(g_ucTempbuf);
if (status != MI_OK)
{ continue; }
status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);
if (status != MI_OK)
{ continue; }
status = PcdWrite(1, data1);
if (status != MI_OK)
{ continue; }
status = PcdValue(PICC_DECREMENT,1,data2);
if (status != MI_OK)
{ continue; }
status = PcdBakValue(1, 2);
if (status != MI_OK)
{ continue; }
status = PcdRead(2, g_ucTempbuf);
if (status != MI_OK)
{ continue; }
PcdHalt();
}
}
/////////////////////////////////////////////////////////////////////
//功能：系統初始化
/////////////////////////////////////////////////////////////////////
void InitializeSystem(void)
{
WDTCTL = WDTPW + WDTHOLD; //Stop watchdog timer
_DINT();
P1DIR = 0xE8;
P1OUT = 0xFF;
P6DIR = 0x08;
P6OUT = 0xFF;
}

復制代碼

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