private IntPtr establishContext()
{
IntPtr context = IntPtr.Zero;
uint ret = NfcApi.SCardEstablishContext(NfcConstant.SCARD_SCOPE_USER, IntPtr.Zero, IntPtr.Zero, out context);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
string message;
switch (ret)
{
case NfcConstant.SCARD_E_NO_SERVICE:
message = "サービスが起動されていません。";
break;
default:
message = "Smart Cardサービスに接続できません。code = " + ret;
break;
}
Debug.WriteLine(message);
return(IntPtr.Zero);
}
Debug.WriteLine("Smart Cardサービスに接続しました。");
return(context);
}
void SendCommand(IntPtr hContext, string readerName)
{
int dwResponseSize;
byte[] response = new byte[2048];
long lResult;
byte[] commnadSelectFile = { 0xff, 0xA4, 0x00, 0x01, 0x02, 0x0f, 0x09 };
byte[] commnadReadBinary = { 0xff, 0xb0, 0x00, 0x00, 0x00 };
IntPtr SCARD_PCI_T1 = getPciT1();
NfcApi.SCARD_IO_REQUEST ioRecv = new NfcApi.SCARD_IO_REQUEST();
ioRecv.cbPciLength = 2048;
IntPtr hCard = connect(hContext, readerName);
dwResponseSize = response.Length;
lResult = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, commnadSelectFile, commnadSelectFile.Length, ioRecv, response, ref dwResponseSize);
if (lResult != NfcConstant.SCARD_S_SUCCESS)
{
Debug.WriteLine("SelectFile error\n");
return;
}
dwResponseSize = response.Length;
lResult = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, commnadReadBinary, commnadReadBinary.Length, ioRecv, response, ref dwResponseSize);
if (lResult != NfcConstant.SCARD_S_SUCCESS)
{
Debug.WriteLine("ReadBinary error\n");
return;
}
parse_tag(response);
}
List <string> getReaders(IntPtr hContext)
{
uint pcchReaders = 0;
uint ret = NfcApi.SCardListReaders(hContext, null, null, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
byte[] mszReaders = new byte[pcchReaders * 2]; // 1文字2byte
// Fill readers buffer with second call.
ret = NfcApi.SCardListReaders(hContext, null, mszReaders, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
UnicodeEncoding unicodeEncoding = new UnicodeEncoding();
string readerNameMultiString = unicodeEncoding.GetString(mszReaders);
Debug.WriteLine("リーダー名を\\0で接続した文字列: " + readerNameMultiString);
Debug.WriteLine(" ");
List <string> readersList = new List <string>();
int nullindex = readerNameMultiString.IndexOf((char)0); // 装置は１台のみ
readersList.Add(readerNameMultiString.Substring(0, nullindex));
return(readersList);
}
private IntPtr getPciT1()
{
IntPtr handle = NfcApi.LoadLibrary("Winscard.dll");
IntPtr pci = NfcApi.GetProcAddress(handle, "g_rgSCardT1Pci");
NfcApi.FreeLibrary(handle);
return(pci);
}
void disconnect(IntPtr hCard)
{
uint ret = NfcApi.SCardDisconnect(hCard, NfcConstant.SCARD_LEAVE_CARD);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードとの接続を切断できません。code = " + ret);
}
}
void disconnect(IntPtr hCard)
{
uint ret = NfcApi.SCardDisconnect(hCard, NfcConstant.SCARD_LEAVE_CARD);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
Debug.LogWarning("カードとの接続を切断できません。code = " + ret);
}
}
int control(IntPtr hCard, int controlCode, byte[] sendBuffer, byte[] recvBuffer)
{
int bytesReturned = 0;
uint ret = NfcApi.SCardControl(hCard, controlCode, sendBuffer, sendBuffer.Length, recvBuffer, recvBuffer.Length, ref bytesReturned);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
Debug.LogWarning("カードへの制御命令送信に失敗しました。code = " + ret);
}
return(bytesReturned);
}
int control(IntPtr hCard, int controlCode, byte[] sendBuffer, byte[] recvBuffer)
{
int bytesReturned = 0;
uint ret = NfcApi.SCardControl(hCard, controlCode, sendBuffer, sendBuffer.Length, recvBuffer, recvBuffer.Length, ref bytesReturned);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードへの制御命令送信に失敗しました。code = " + ret);
}
return(bytesReturned);
}
IntPtr connect(IntPtr hContext, string readerName)
{
IntPtr hCard = IntPtr.Zero;
IntPtr activeProtocol = IntPtr.Zero;
uint ret = NfcApi.SCardConnect(hContext, readerName, NfcConstant.SCARD_SHARE_SHARED, NfcConstant.SCARD_PROTOCOL_T1, ref hCard, ref activeProtocol);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
Debug.LogWarning("カードに接続できません。code = " + ret + " / hCard: " + hCard);
}
return(hCard);
}
IntPtr connect(IntPtr hContext, string readerName)
{
IntPtr hCard = IntPtr.Zero;
IntPtr activeProtocol = IntPtr.Zero;
uint ret = NfcApi.SCardConnect(hContext, readerName, NfcConstant.SCARD_SHARE_SHARED, NfcConstant.SCARD_PROTOCOL_T1, ref hCard, ref activeProtocol);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードに接続できません。code = " + ret);
}
return(hCard);
}
void Update()
{
if (!isUseUpdate)
{
return;
}
context = establishContext();
readersList = getReaders(context, nfc_state == NfcConstant.NFC_STATE_DISCONNECT);
readerStateArray = readerStateChange(context, readersList);
setState();
if (readerStateArray.Length != 0)
{
if ((readerStateArray[0].dwEventState & NfcConstant.SCARD_STATE_PRESENT) == NfcConstant.SCARD_STATE_PRESENT)
{
if (isBeginTouch)
{
//Debug.Log("タッチし始め");
if (eventNfc != null)
{
eventNfc(NfcState.Touch);
}
readCard(context, readerStateArray[0].szReader);
SendCommand(context, readerStateArray[0].szReader);
isTouchingCard = true;
isBeginTouch = false;
}
//Debug.Log("カードタッチ中");
NfcApi.SCardReleaseContext(context);
}
else
{
if (isTouchingCard)
{
//Debug.Log("カードが離れた");
if (eventNfc != null)
{
eventNfc(NfcState.Release);
}
isBeginTouch = true;
isTouchingCard = false;
}
//Debug.Log("カードがタッチされていない");
}
}
else
{
isBeginTouch = true;
}
}
int transmit(IntPtr hCard, byte[] sendBuffer, byte[] recvBuffer)
{
NfcApi.SCARD_IO_REQUEST ioRecv = new NfcApi.SCARD_IO_REQUEST();
ioRecv.cbPciLength = 255;
int pcbRecvLength = recvBuffer.Length;
int cbSendLength = sendBuffer.Length;
IntPtr SCARD_PCI_T1 = getPciT1();
uint ret = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, sendBuffer, cbSendLength, ioRecv, recvBuffer, ref pcbRecvLength);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
Debug.LogWarning("カードへの送信に失敗しました。code = " + ret);
}
return(pcbRecvLength); // 受信したバイト数(recvBufferに受け取ったバイト数)
}
void waitReaderStatusChange(IntPtr hContext, NfcApi.SCARD_READERSTATE[] readerStateArray, int timeoutMillis)
{
uint ret = NfcApi.SCardGetStatusChange(hContext, timeoutMillis /*msec*/, readerStateArray, readerStateArray.Length);
switch (ret)
{
case NfcConstant.SCARD_S_SUCCESS:
break;
case NfcConstant.SCARD_E_TIMEOUT:
throw new TimeoutException();
default:
throw new ApplicationException("リーダーの状態変化の取得に失敗。code = " + ret);
}
}
NfcApi.SCARD_READERSTATE[] initializeReaderState(IntPtr hContext, List <string> readerNameList)
{
NfcApi.SCARD_READERSTATE[] readerStateArray = new NfcApi.SCARD_READERSTATE[readerNameList.Count];
int i = 0;
foreach (string readerName in readerNameList)
{
readerStateArray[i].dwCurrentState = NfcConstant.SCARD_STATE_UNAWARE;
readerStateArray[i].szReader = readerName;
i++;
}
uint ret = NfcApi.SCardGetStatusChange(hContext, 100 /*msec*/, readerStateArray, readerStateArray.Length);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("リーダーの初期状態の取得に失敗。code = " + ret);
}
return(readerStateArray);
}
private IntPtr establishContext()
{
IntPtr eContext = IntPtr.Zero;
uint ret = NfcApi.SCardEstablishContext(NfcConstant.SCARD_SCOPE_USER, IntPtr.Zero, IntPtr.Zero, out eContext);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
switch (ret)
{
case NfcConstant.SCARD_E_NO_SERVICE:
Debug.LogWarning("サービスが起動されていません。");
break;
default:
Debug.LogWarning("Smart Cardサービスに接続できません。code = " + ret);
break;
}
return(IntPtr.Zero);
}
return(eContext);
}
public void start()
{
IntPtr context = establishContext();
List <string> readersList = getReaders(context);
NfcApi.SCARD_READERSTATE[] readerStateArray = initializeReaderState(context, readersList);
bool quit = false;
while (!quit)
{
waitReaderStatusChange(context, readerStateArray, 1000);
if ((readerStateArray[0].dwEventState & NfcConstant.SCARD_STATE_PRESENT) == NfcConstant.SCARD_STATE_PRESENT)
{
ReadResult result2 = readCard(context, readerStateArray[0].szReader);
SendCommand(context, readerStateArray[0].szReader);
quit = true;
}
}
uint ret = NfcApi.SCardReleaseContext(context);
}
List <string> getReaders(IntPtr hContext, bool isInit)
{
uint pcchReaders = 0;
uint ret = NfcApi.SCardListReaders(hContext, null, null, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
byte[] mszReaders = new byte[pcchReaders * 2]; // 1文字2byte
// Fill readers buffer with second call.
ret = NfcApi.SCardListReaders(hContext, null, mszReaders, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
UnicodeEncoding unicodeEncoding = new UnicodeEncoding();
string readerNameMultiString = unicodeEncoding.GetString(mszReaders);
if (isInit)
{
//Debug.Log("【接続】リーダー名: " + readerNameMultiString);
if (eventConnectDevice != null)
{
eventConnectDevice(readerNameMultiString);
}
}
List <string> readersList = new List <string>();
int nullindex = readerNameMultiString.IndexOf((char)0); // 装置は１台のみ
readersList.Add(readerNameMultiString.Substring(0, nullindex));
return(readersList);
}
NfcApi.SCARD_READERSTATE[] readerStateChange(IntPtr hContext, List <string> readerNameList)
{
NfcApi.SCARD_READERSTATE[] readerStateArray = new NfcApi.SCARD_READERSTATE[readerNameList.Count];
int i = 0;
foreach (string readerName in readerNameList)
{
readerStateArray[i].dwCurrentState = NfcConstant.SCARD_STATE_UNAWARE;
readerStateArray[i].szReader = readerName;
i++;
}
uint ret = NfcApi.SCardGetStatusChange(hContext, 100 /*msec*/, readerStateArray, readerStateArray.Length);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
Debug.Log("error...");
}
if (nfc_state == NfcConstant.NFC_STATE_DISCONNECT)
{
Debug.Log("リーダーの状態の取得に失敗。code = " + ret);
}
return(readerStateArray);
}
