private void btnWrite_Click(object sender, EventArgs e)
{
NfcOperate nfcOperate = new NfcOperate();
//string nfcId = nfcOperate.ReadNfcId(bConnectedDevice);
nfcOperate.nfcDataWrite(bConnectedDevice, textBoxData.Text.Trim());
}
private void btnRead_Click(object sender, EventArgs e)
{
textBoxData.Text = string.Empty;
NfcOperate nfcOperate = new NfcOperate();
//string nfcId = nfcOperate.ReadNfcId(bConnectedDevice);
textBoxData.Text = nfcOperate.nfcDataRead(bConnectedDevice);
}
/// <summary>
/// 将数据写入NFC卡，从0区0块开始写入，直到写完。
/// </summary>
/// <param name="mass">区</param>
/// <param name="submass">块1,2,3</param>
/// <param name="context">将要写入NFC卡的数据，小于32个字符</param>
public void WriteBlock(bool bConnectedDevice, int mass, int submass, string context)
{
NfcOperate nfcOperate = new NfcOperate();
short icdev = 0x0000;
int status;
byte mode = 0x60;//mode = 0x61; //密钥类型
string mima = "FFFFFFFFFFFF";
byte secnr = 0x00;
byte adr;
int i;
if (!bConnectedDevice)
{
MessageBox.Show("请连接NFC读写器！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
secnr = Convert.ToByte(mass); //cbxMass2这个是区
adr = (byte)(Convert.ToByte(submass) + secnr * 4); //这个是块cbxSubmass2
if (submass == 4)
{
if (DialogResult.Cancel == MessageBox.Show("不允许写每个区的最后一块", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning))
{
return;
}
}
IntPtr keyBuffer = Marshal.AllocHGlobal(1024);
//txtInputKey2.Text是每个扇区的密码FFFFFFFFFFFF
byte[] bytesKey = nfcOperate.ToDigitsBytes(mima);
for (i = 0; i < bytesKey.Length; i++)
{
Marshal.WriteByte(keyBuffer, i, bytesKey[i]);
}
status = Er302Helper.rf_M1_authentication2(icdev, mode, (byte)(secnr * 4), keyBuffer);
Marshal.FreeHGlobal(keyBuffer);
if (status != 0)
{
MessageBox.Show("rf_M1_authentication2 failed!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//
byte[] bytesBlock;
if (submass == 1)
{
bytesBlock = nfcOperate.ToDigitsBytes(context);
}
else if (submass == 2)
{
bytesBlock = nfcOperate.ToDigitsBytes(context);
}
else if (submass == 3)
{
bytesBlock = nfcOperate.ToDigitsBytes(context);
}
else
{
String strCompont = context;
bytesBlock = nfcOperate.ToDigitsBytes(strCompont);
}
IntPtr dataBuffer = Marshal.AllocHGlobal(1024);
for (i = 0; i < bytesBlock.Length; i++)
{
Marshal.WriteByte(dataBuffer, i, bytesBlock[i]);
}
status = Er302Helper.rf_M1_write(icdev, adr, dataBuffer);
Marshal.FreeHGlobal(dataBuffer);
if (status != 0)
{
MessageBox.Show("NFC写入数据出错！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
// This command will convert the input text string to Ascii hex array then write into the NTAG chip page by page.
public void nfcDataWrite(bool bConnectedDevice, string context)
{
NfcOperate nfcOperate = new NfcOperate();
short icdev = 0x0000;
int status;
byte npage;
int i;
if (!bConnectedDevice)
{
MessageBox.Show("请连接NFC读写器！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
int Len;
Len = context.Trim().Length;
Len = Len + 3; // add Encode bytes(2) and tailer code byte(1)
IntPtr dataBuffer = Marshal.AllocHGlobal(1024);
npage = (byte)(Convert.ToByte(4));
byte[] page4_buf = new byte[] { 0x01, 0x03, 0xa0, 0x10 }; ////Page4_buf[4]={0x01,0x03,0xa0,0x10};//0c
for (i = 0; i < page4_buf.Length; i++)
{
Marshal.WriteByte(dataBuffer, i, page4_buf[i]);
}
status = Er302Helper.rf_ul_write(icdev, npage, dataBuffer);
if (status != 0)
{
MessageBox.Show("Write page 4 failed!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
npage = (byte)(Convert.ToByte(5));
byte[] page5_buf = new byte[] { 0x44, 0x03, (byte)(Len + 4), 0xd1 };
for (i = 0; i < page5_buf.Length; i++)
{
Marshal.WriteByte(dataBuffer, i, page5_buf[i]);
}
status = Er302Helper.rf_ul_write(icdev, npage, dataBuffer);
if (status != 0)
{
MessageBox.Show("Write page 5 failed!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
npage = (byte)(Convert.ToByte(6));
byte[] page6_buf = new byte[] { 0x01, (byte)Len, 0x54, 0x02 };
for (i = 0; i < page6_buf.Length; i++)
{
Marshal.WriteByte(dataBuffer, i, page6_buf[i]);
}
status = Er302Helper.rf_ul_write(icdev, npage, dataBuffer);
if (status != 0)
{
MessageBox.Show("Write page 6 failed!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
int tPage = 0; // Total Pages
tPage = Len / 4;
int j = Len % 4;
int k = 0; // fill zero counter
if (j > 0)
{
tPage = tPage + 1;
k = 4 - j;
}
string sZero = "00";
string sFillTail = string.Empty;
if (k > 0)
{
for (i = 0; i < k; i++)
{
sFillTail += sZero;
}
}
byte[] bEncode = new byte[] { 0x65, 0x6e };
string sEncode = string.Empty;
for (i = 0; i < bEncode.Length; i++)
{
sEncode += Convert.ToString(bEncode[i], 16);
}
byte[] bTrailer = new byte[] { 0xfe };
string sTailer = string.Empty;
for (i = 0; i < bTrailer.Length; i++)
{
sTailer += Convert.ToString(bTrailer[i], 16);
}
byte[] bytesBlock;
bytesBlock = Encoding.ASCII.GetBytes(context.Trim());// Convert the string input to ascii code bytes.
string sInput = string.Empty;
for (i = 0; i < bytesBlock.Length; i++)
{
sInput += Convert.ToString(bytesBlock[i], 16);
}
string sComb = string.Empty;
sComb += sEncode;
sComb += sInput;
sComb += sTailer;
sComb += sFillTail;
bytesBlock = nfcOperate.ToDigitsBytes(sComb); // convert to hex byte string
int ofs;
for (j = 7; j < tPage + 7; j++)
{
ofs = (j - 7) * 4;
for (i = 0; i < 4; i++)
{
Marshal.WriteByte(dataBuffer, i, bytesBlock[i + ofs]);
} // copy to pointer buffer
status = Er302Helper.rf_ul_write(icdev, (byte)j, dataBuffer);
if (status != 0)
{
MessageBox.Show("NFC写入失败！", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
Marshal.FreeHGlobal(dataBuffer);
int color = 2;// 2:red led light ,1: blue light,0: led off
Er302Helper.rf_light(icdev, (byte)color);
int delaytime = 50;
Er302Helper.rf_beep(icdev, (byte)delaytime);
color = 0;
Er302Helper.rf_light(icdev, (byte)color);
color = 1;
Er302Helper.rf_light(icdev, (byte)color);
MessageBox.Show("NFC写入成功！", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}