Exemplos de phLibNfc_RemoteDev_Transceive em C++ (Cpp)

Exemplo n.º 1

Arquivo: com_android_nfc_NativeP2pDevice.cpp Projeto: ACSOP/android_packages_apps_nfc

static jbyteArray com_android_nfc_NativeP2pDevice_doTransceive(JNIEnv *e,
   jobject o, jbyteArray data)
{
   NFCSTATUS status;
   uint8_t offset = 2;
   uint8_t *buf;
   uint32_t buflen;
   phLibNfc_sTransceiveInfo_t transceive_info;
   jbyteArray result = NULL;
   phLibNfc_Handle handle = nfc_jni_get_p2p_device_handle(e, o);
   phNfc_sData_t * receive_buffer = NULL;
   struct nfc_jni_callback_data cb_data;

   CONCURRENCY_LOCK();

   /* Create the local semaphore */
   if (!nfc_cb_data_init(&cb_data, (void*)receive_buffer))
   {
      goto clean_and_return;
   }

   /* Transceive*/
   TRACE("Transceive data to target (handle = 0x%x)", handle);

   buf = (uint8_t *)e->GetByteArrayElements(data, NULL);
   buflen = (uint32_t)e->GetArrayLength(data);
   
   TRACE("Buffer Length = %d\n", buflen);

   transceive_info.sSendData.buffer = buf; //+ offset;
   transceive_info.sSendData.length = buflen; //- offset;
   transceive_info.sRecvData.buffer = (uint8_t*)malloc(1024);
   transceive_info.sRecvData.length = 1024;

   if(transceive_info.sRecvData.buffer == NULL)
   {
      goto clean_and_return;
   }

   TRACE("phLibNfc_RemoteDev_Transceive(P2P)");
   REENTRANCE_LOCK();
   status = phLibNfc_RemoteDev_Transceive(handle, &transceive_info, nfc_jni_transceive_callback, (void *)&cb_data);
   REENTRANCE_UNLOCK();
   if(status != NFCSTATUS_PENDING)
   {
      LOGE("phLibNfc_RemoteDev_Transceive(P2P) returned 0x%04x[%s]", status, nfc_jni_get_status_name(status));
      goto clean_and_return;
   }
   TRACE("phLibNfc_RemoteDev_Transceive(P2P) returned 0x%04x[%s]", status, nfc_jni_get_status_name(status));

   /* Wait for callback response */
   if(sem_wait(&cb_data.sem))
   {
      LOGE("Failed to wait for semaphore (errno=0x%08x)", errno);
      goto clean_and_return;
   }

   if(cb_data.status != NFCSTATUS_SUCCESS)
   {
      goto clean_and_return;
   }

   /* Copy results back to Java */
   result = e->NewByteArray(receive_buffer->length);
   if(result != NULL)
      e->SetByteArrayRegion(result, 0,
         receive_buffer->length,
         (jbyte *)receive_buffer->buffer);

clean_and_return:
   if(transceive_info.sRecvData.buffer != NULL)
   {
      free(transceive_info.sRecvData.buffer);
   }

   e->ReleaseByteArrayElements(data,
      (jbyte *)transceive_info.sSendData.buffer, JNI_ABORT);

   nfc_cb_data_deinit(&cb_data);

   CONCURRENCY_UNLOCK();

   return result;
}

Exemplo n.º 2

Arquivo: com_android_nfc_NativeNfcSecureElement.cpp Projeto: ParanoidAndroid/android_packages_apps_Nfc

static jbyteArray com_android_nfc_NativeNfcSecureElement_doTransceive(JNIEnv *e,
   jobject o,jint handle, jbyteArray data)
{
   uint8_t offset = 0;
   uint8_t *buf;
   uint32_t buflen;
   phLibNfc_sTransceiveInfo_t transceive_info;
   jbyteArray result = NULL;
   int res; 
   
   int tech = SecureElementTech;
   NFCSTATUS status;
   struct nfc_jni_callback_data cb_data;

   /* Create the local semaphore */
   if (!nfc_cb_data_init(&cb_data, NULL))
   {
      goto clean_and_return;
   }

   TRACE("Exchange APDU function ");
   
   CONCURRENCY_LOCK();
   
   TRACE("Secure Element tech: %d\n", tech);

   buf = (uint8_t *)e->GetByteArrayElements(data, NULL);
   buflen = (uint32_t)e->GetArrayLength(data);
 
   /* Prepare transceive info structure */
   if(tech == TARGET_TYPE_MIFARE_CLASSIC || tech == TARGET_TYPE_MIFARE_UL)
   {
      offset = 2;
      transceive_info.cmd.MfCmd = (phNfc_eMifareCmdList_t)buf[0];
      transceive_info.addr = (uint8_t)buf[1];
   }
   else if(tech == TARGET_TYPE_ISO14443_4)
   {
      transceive_info.cmd.Iso144434Cmd = phNfc_eIso14443_4_Raw;
      transceive_info.addr = 0;
   }
      
   transceive_info.sSendData.buffer = buf + offset;
   transceive_info.sSendData.length = buflen - offset;
   transceive_info.sRecvData.buffer = (uint8_t*)malloc(1024);
   transceive_info.sRecvData.length = 1024;

   if(transceive_info.sRecvData.buffer == NULL)
   {
      goto clean_and_return;
   }

   TRACE("phLibNfc_RemoteDev_Transceive(SMX)");
   REENTRANCE_LOCK();
   status = phLibNfc_RemoteDev_Transceive(handle, &transceive_info,
		   com_android_nfc_jni_transceive_callback, (void *)&cb_data);
   REENTRANCE_UNLOCK();
   if(status != NFCSTATUS_PENDING)
   {
      ALOGE("phLibNfc_RemoteDev_Transceive(SMX) returned 0x%04x[%s]", status, nfc_jni_get_status_name(status));
      goto clean_and_return;
   }
   TRACE("phLibNfc_RemoteDev_Transceive(SMX) returned 0x%04x[%s]", status, nfc_jni_get_status_name(status));

   /* Wait for callback response */
   if(sem_wait(&cb_data.sem))
   {
       ALOGE("TRANSCEIVE semaphore error");
       goto clean_and_return;
   }

   if(cb_data.status != NFCSTATUS_SUCCESS)
   {
      ALOGE("TRANSCEIVE error");
      goto clean_and_return;
   }

   /* Copy results back to Java */
   result = e->NewByteArray(com_android_nfc_jni_transceive_buffer->length);
   if(result != NULL)
   {
      e->SetByteArrayRegion(result, 0,
    		  com_android_nfc_jni_transceive_buffer->length,
         (jbyte *)com_android_nfc_jni_transceive_buffer->buffer);
   }

clean_and_return:
   nfc_cb_data_deinit(&cb_data);

   if(transceive_info.sRecvData.buffer != NULL)
   {
      free(transceive_info.sRecvData.buffer);
   }

   e->ReleaseByteArrayElements(data,
      (jbyte *)transceive_info.sSendData.buffer, JNI_ABORT);

   CONCURRENCY_UNLOCK();

   return result;
}