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/****************************************Copyright (c)****************************************************
**
**
**
**--------------File Info---------------------------------------------------------------------------------
** File name: main.c
** Last modified Date:
** Last Version:
** Descriptions:
**--------------------------------------------------------------------------------------------------------
** Created by: FiYu
** Created date: 2018-2-1
** Version: 1.0
** Descriptions: 無源RFID MFRC522實(shí)驗(yàn)
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
** Rechecked by:
**********************************************************************************************************/
#include <string.h>
#include "uart.h"
#include "rc522.h"
#include "UartComm.h"
#define READ_CARD 0x10
#define WRITE_CARD 0x11
#define MODIFY_PASSWORD 0x12
#define RECE_CMD FrameReceInfo.buf[1] //命令
#define BLOCK_NUM FrameReceInfo.buf[2] //塊號
/**********************
引腳別名定義
***********************/
sbit LED_B=P0^7; //RGB藍(lán)色LED用IO口P07
xdata uint8 uartReceBuf[20];
xdata uint8 WriteDat[16];
//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(jié)金額（低字節(jié)在前）＋4字節(jié)金額取反＋4字節(jié)金額＋1字節(jié)塊地址＋1字節(jié)塊地址取反＋1字節(jié)塊地址＋1字節(jié)塊地址取反
//uint8_t code data2[4] = {0,0,0,0x01};
uint8 CardKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
uint8 NewKey[16];
uint8 xdata g_ucTempbuf[20];
void RC522_Init(void)
{
RC522_Reset();
PcdAntennaOff();
//PcdAntennaOn();
M500PcdConfigISOType( 'A' );
}
uint8 CardHanding(void)
{
uint8 status,i;
status = RC522_Request(PICC_REQIDL, g_ucTempbuf);//尋卡，返回卡的類型:2個字節(jié)
if(status != MI_OK) return 0;
if(RECE_CMD == READ_CARD)for(i=0;i<2;i++)U1SendData(g_ucTempbuf[i]); //發(fā)送卡類型，2個字節(jié) 只有接收到讀卡命令才發(fā)送
status = RC522_Anticoll(g_ucTempbuf);//防沖撞，返回卡的序列號:4字節(jié)
if(status != MI_OK) return 0;
if(RECE_CMD == READ_CARD)for(i=0;i<4;i++)U1SendData(g_ucTempbuf[i]); //發(fā)送卡號，4個字節(jié) 只有接收到讀卡命令才發(fā)送
status = PcdSelect(g_ucTempbuf);//選定卡片
if(status != MI_OK) return 0;
switch(RECE_CMD) //解析命令
{
case READ_CARD: // 讀卡
memcpy(CardKey,&FrameReceInfo.buf[3],6); //拷貝密碼
status = PcdAuthState(PICC_AUTHENT1A, BLOCK_NUM, CardKey, g_ucTempbuf);//驗(yàn)證卡片密碼
if(status != MI_OK) return 0;
status = PcdRead(BLOCK_NUM, g_ucTempbuf);//讀塊
if(status != MI_OK) return 0;
for(i=0;i<16;i++)U1SendData(g_ucTempbuf[i]); //發(fā)送讀出的內(nèi)容，16個字節(jié)
PcdHalt();
break;
case WRITE_CARD: //寫卡
memcpy(CardKey,&FrameReceInfo.buf[3],6); //拷貝密碼
memcpy(WriteDat,&FrameReceInfo.buf[9],16); //拷貝待寫入的數(shù)據(jù)
status = PcdAuthState(PICC_AUTHENT1A, BLOCK_NUM, CardKey, g_ucTempbuf);//驗(yàn)證卡片密碼
if(status != MI_OK) return 0;
status = PcdWrite(BLOCK_NUM, WriteDat); //寫塊
if(status != MI_OK) return 0;
PcdHalt();
break;
case MODIFY_PASSWORD: //修改密碼
memcpy(CardKey,&FrameReceInfo.buf[3],6); //拷貝待寫入的數(shù)據(jù)
for(i=0;i<6;i++)NewKey[i] = FrameReceInfo.buf[9+i];//拷貝新密碼
for(i=0;i<6;i++)NewKey[i+10] = FrameReceInfo.buf[9+i];
NewKey[6] = 0xFF;
NewKey[7] = 0x07;
NewKey[8] = 0x80;
NewKey[9] = 0x69;
status=PcdAuthState(PICC_AUTHENT1A,BLOCK_NUM,CardKey,g_ucTempbuf);
if(status!=MI_OK) return 0;
status=PcdWrite(BLOCK_NUM,&NewKey[0]);
if(status!=MI_OK)
return 0;
PcdHalt();
break;
}
return 0;
}
/***************************************************************************
* 描述 : 主函數(shù)
* 入參 : 無
* 返回值 : 無
**************************************************************************/
int main()
{
P3M1 &= 0xFE; P3M0 &= 0xFE; //設(shè)置P3.0為準(zhǔn)雙向口
P3M1 &= 0xFD; P3M0 |= 0x02; //設(shè)置P3.1為推挽輸出
Uart1_Init();
RC522_Init();
EA = 1;
while(1)
{
if(UartReceFrame() == UART_FRAME_AVAIL)//串口接收到數(shù)據(jù)?
{
CardHanding();
LED_B = ~LED_B;
}
}
}

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