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rfid.cpp
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rfid.cpp
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#include "rfid.h"
#include "ui_rfid.h"
#include "login.h"
#include <QTimer>
#include <QDebug>
rfid::rfid(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::rfid)
{
ui->setupUi(this);
this->setWindowFlags(Qt::FramelessWindowHint);
//init all flags to zero
init_flag=false;
install_flag=false;
use_flag=false;
ui->stackedWidget->setCurrentWidget(ui->Scan);
//init the keys
transport_config[0]=0xff;
transport_config[1]=0x07;
transport_config[2]=0x80;
transport_config[3]=0x29;
for(int i=0;i<6;i++)
{
default_key_A[i]=0xff;
default_key_B[i]=0xff;
}
variable_reset();
}
rfid::~rfid()
{
delete ui;
}
void rfid::variable_reset()
{
for(int i=0;i<sizeof(new_key_A);i++)
{
new_key_A[i]=0xff;
}
for(int i=0;i<sizeof(serialNumber[i]);i++)
{
serialNumber[i]=0xff;
}
}
void rfid::port_open()
{
if(!tag.serial.Open("/dev/ttySAC1",19200))
{
qDebug()<<"Port could not open\n";
msgBox.setText("Error, Port could not open...try again!!");
msgBox.exec();
}
else
qDebug()<<"port open!!!";
}
void rfid::periodic_scanRfid() //to be done once the therapy starts!!
{
timer=new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(update()));
timer->start(5000); //checking every 5 secs whether the same card is attached or not.
}
void rfid::update()
{
tag.control_rf_transmit(true);
tag.select_mifare_card();
for(int i=0;i<4;i++)
if(serialNumber[i]==tag.packet_received[i+5])
qDebug()<<"card same!!";
else
{
qDebug()<<"card not same, exiting";
msgBox.setText("Error, card not same!!Exiting");
}
}
void rfid::onControlRFtransmit_clicked()
{
port_open();
tag.control_rf_transmit(true);
if(!tag.packet_received[4]==0x00)
{
ui->label_scanStatus->setText("RF Transmit successfull");
qDebug()<<" control tranmit error!! try again";
}
else
{
qDebug()<<"control RF transmit true set!!";
ui->pushButton_selectMifare->setEnabled(true);
ui->label_scanStatus->setText("RF Transmit successfull");
}
}
void rfid::onSelectMifare_clicked()
{
tag.select_mifare_card();
if(!tag.packet_received[4]==0x00)
{
ui->label_scanStatus->setText("Tag Reading Failed!! ");
qDebug()<<"Select mifare card error, try again";
ui->label_serial->setEnabled(false);
ui->label_type->setEnabled(false);
ui->lineEdit_serial->setEnabled(false);
ui->lineEdit_type->setEnabled(false);
}
else
{
qDebug()<<"comminication with card successfull";
ui->label_serial->setEnabled(true);
ui->label_type->setEnabled(true);
ui->lineEdit_serial->setEnabled(true);
ui->lineEdit_type->setEnabled(true);
ui->label_scanStatus->setText("comminication with card successfull");
}
QString serial_string;
for(int i=0;i<4;i++)
{
serialNumber[i]=tag.packet_received[i+5];
serial_string.append(serialNumber[i]);
qDebug()<<serialNumber[i];
printf("%x\t",serialNumber[i]);
}
ui->lineEdit_serial->setText(serial_string);
type=tag.packet_received[9];
if(type==0x00)
{
qDebug()<<"Mifare Standard 1K(S50) card\n";
ui->lineEdit_type->setText("Mifare Standard 1K(S50) card");
}
else if(type==0x01)
{
qDebug()<<"Mifare Standard 4K(S70) card\n";
ui->lineEdit_type->setText("Mifare Standard 4K(S70) card");
}
else if(type==0x02)
{
qDebug()<<"Mifare ProX card\n";
ui->lineEdit_type->setText("Mifare ProX card");
}
ui->pushButton_options->setEnabled(true);
}
void rfid::onOptions_clicked()
{
ui->stackedWidget->setCurrentWidget(ui->Options);
choose_options();
}
void rfid::onBack_clicked()
{
this->close();
login l;
l.enter_three();
}
void rfid::choose_options()
{
//use default keys to read block 1 and read the flag, is false then init active.
//else control transmit true and select mifare card and then use new keys to activate either initialise ot reuse.
/***************Using default keys****************/
if(tag.read_data_block(0,1,default_key_A))
{
if(tag.packet_received[0]!=true && tag.packet_received[3]!=0x00 &&
tag.packet_received[4]!=0x02 && tag.packet_received[5]!=0x09) //if not initialsed
{
ui->pushButton_init->setEnabled(true);
}
else
{
qDebug()<<"Error: keys not set but block 1 is correct!!";
}
}
/********************resetting***********************/
tag.control_rf_transmit(true);
tag.select_mifare_card();
/*******************Using new_key_A******************/
//the following ensures that the format of the first two blocks are same as init!!
bool correct_init_flag=false;
bool correct_serial=true;
if(tag.read_data_block(0,1,new_key_A))
{
if(tag.packet_received[3]==0x00 && tag.packet_received[4]==0x02 && tag.packet_received[5]==0x09
&& tag.packet_received[9]=='y' && tag.packet_received[13]=='n')
{
if(tag.read_data_block(0,2,new_key_A))
{
for(int i=0;i<4;i++)
if(!tag.packet_received[i]==serialNumber[i])
{
correct_serial=false;
break;
}
else
continue;
if(correct_serial==true)
correct_init_flag=true;
}
}
}
//if correct_init_flag is true it ensures that the two blocks are all cool!!
//now bothering about enabling the correct push button
//following code bothers about that:
//note that by default all are disabled!!
if(tag.read_data_block(0,1,new_key_A))
{
if(tag.packet_received[0]==false)
ui->pushButton_init->setEnabled(true);
}
}
byte rfid::reverse(byte num)
{
rev=0x00;
byte digit=0x00;
while(num!=0x00)
{
digit=num%0x10;
rev=rev*0x10+digit;
num=num/0x10;
}
return rev;
}
void rfid::get_encrypt_key()
{
for(int i=0;i<4;i++)
new_key_A[i]=reverse(serialNumber[i]);
new_key_A[4]=serialNumber[0]+serialNumber[2];
new_key_A[5]=serialNumber[1]+serialNumber[3];
for(int i=0;i<6;i++)
qDebug()<<"new_key_A"<<new_key_A[i];
}
void rfid::onInit_clicked()
{
/////////////////////////////////////
/* defining the sector trailer for sector 0,1,2,3.... new_key_A(a function of the serial number),access_conditions(transport),new_key_B(useless)*/
////////////////////////////////////
get_encrypt_key();
qDebug()<<"new key A: "<<new_key_A; // 0xe9, 0x08, 0x86, 0xae, 0x06, 0x6a (for the blue tag)
byte new_key_B[]={0xff,0xff,0xff,0xff,0xff,0xff};
byte data_write_sectorTrailer[16];
for(int i=0;i<6;i++)
data_write_sectorTrailer[i]=new_key_A[i];
data_write_sectorTrailer[6]=0xff;
data_write_sectorTrailer[7]=0x07;
data_write_sectorTrailer[8]=0x80;
data_write_sectorTrailer[9]=0x29;
for(int i=10;i<16;i++)
data_write_sectorTrailer[i]=new_key_B[i-10];
qDebug()<<data_write_sectorTrailer;
ui->textEdit->setText("writing data...\n");
qDebug()<<"writing to sector trailer 0";
if(tag.write_data_block(0,3,default_key_A,data_write_sectorTrailer))
{
qDebug()<<"Write, sector trailer 0: SUCCESS";
ui->textEdit->append("Write, sector trailer 0: SUCCESS\n");
}
else
{
qDebug()<<"Write, sector trailer 0: FAIL";
ui->textEdit->append("Write, sector trailer 0: FAIL\n");
}
qDebug()<<"writing to sector trailer 1";
if(tag.write_data_block(0,7,default_key_A,data_write_sectorTrailer))
{
qDebug()<<"Write, sector trailer 1: SUCCESS";
ui->textEdit->append("Write, sector trailer 1: SUCCESS\n");
}
else
{
qDebug()<<"Write, sector trailer 1: FAIL";
ui->textEdit->append("Write, sector trailer 1: FAIL\n");
}
qDebug()<<"writing to sector trailer 2";
if(tag.write_data_block(0,11,default_key_A,data_write_sectorTrailer))
{
qDebug()<<"Write, sector trailer 2: SUCCESS";
ui->textEdit->append("Write, sector trailer 2: SUCCESS\n");
}
else
{
qDebug()<<"Write, sector trailer 2: FAIL";
ui->textEdit->append("Write, sector trailer 2: FAIL\n");
}
qDebug()<<"writing to sector trailer 3";
if(tag.write_data_block(0,15,default_key_A,data_write_sectorTrailer))
{
qDebug()<<"Write, sector trailer 3: SUCCESS";
ui->textEdit->append("Write, sector trailer 3: SUCCESS\n");
}
else
{
qDebug()<<"Write, sector trailer 3: FAIL";
ui->textEdit->append("Write, sector trailer 3: FAIL\n");
}
qDebug()<<"writing to sector trailer 4";
if(tag.write_data_block(0,19,default_key_A,data_write_sectorTrailer))
{
qDebug()<<"Write, sector trailer 4: SUCCESS";
ui->textEdit->append("Write, sector trailer 4: SUCCESS\n");
}
else
{
qDebug()<<"Write, sector trailer 4: FAIL";
ui->textEdit->append("Write, sector trailer 4: FAIL\n");
}
//////////////////////////////////////
/*Storing Flags in block 1..... init_flag, install_flag, use_flag,0x00,0x02,0x09,Grey orange...*/
/////////////////////////////////////
qDebug()<<"writing to Block 1";
byte data_write_block1[]={true,false,false,0x00,0x02,0x09,'g','r','e','y','o','r','a','n','g','e'};
if(tag.write_data_block(0,1,new_key_A,data_write_block1))
{
qDebug()<<"Write, Block 1: SUCCESS";
ui->textEdit->append("Write, Block 1: SUCCESS\n");
}
else
{
qDebug()<<"Write, Block 1: FAIL";
ui->textEdit->append("Write, Block 1: FAIL\n");
}
/////////////////////////////////////
/*Storing serial key in block 2*/
////////////////////////////////////
qDebug()<<"writing to block 2";
byte *data_write_block2=serialNumber;
if(tag.write_data_block(0,2,new_key_A,data_write_block2))
{
qDebug()<<"Write, Block 2: SUCCESS";
ui->textEdit->append("Write, Block 2: SUCCESS\n");
}
else
{
qDebug()<<"Write, Block 2: FAIL";
ui->textEdit->append("Write, Block 2: FAIL\n");
}
}
void rfid::onRead_clicked()
{
get_encrypt_key();
ui->stackedWidget->setCurrentWidget(ui->Read);
qDebug()<<"Reading form Block 1";
if(tag.read_data_block(0,1,new_key_A))
qDebug()<<"Read, Block 1: SUCCESS";
else
qDebug()<<"Read, Block 1: FAIL";
qDebug()<<"Reading form Block 2";
if(tag.read_data_block(0,2,new_key_A))
qDebug()<<"Read, Block 2: SUCCESS";
else
qDebug()<<"Read, Block 2: FAIL";
qDebug()<<"Reading form Block 3";
if(tag.read_data_block(0,3,new_key_A))
qDebug()<<"Read, Block 3: SUCCESS";
else
qDebug()<<"Read, Block 3: FAIL";
qDebug()<<"Reading form Block 4";
if(tag.read_data_block(0,4,new_key_A))
qDebug()<<"Read, Block 4: SUCCESS";
else
qDebug()<<"Read, Block 4: FAIL";
qDebug()<<"Reading form Block 5";
if(tag.read_data_block(0,5,new_key_A))
qDebug()<<"Read, Block 5: SUCCESS";
else
qDebug()<<"Read, Block 5: FAIL";
qDebug()<<"Reading form Block 6";
if(tag.read_data_block(0,6,new_key_A))
qDebug()<<"Read, Block 6: SUCCESS";
else
qDebug()<<"Read, Block 6: FAIL";
}