--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/rfid_pn532/nfc-nim/nfc-emulation.h	Sun Apr 21 03:28:21 2019 -0700
@@ -0,0 +1,71 @@
+/*-
+ * Free/Libre Near Field Communication (NFC) library
+ *
+ * Libnfc historical contributors:
+ * Copyright (C) 2009      Roel Verdult
+ * Copyright (C) 2009-2013 Romuald Conty
+ * Copyright (C) 2010-2012 Romain Tartière
+ * Copyright (C) 2010-2013 Philippe Teuwen
+ * Copyright (C) 2012-2013 Ludovic Rousseau
+ * See AUTHORS file for a more comprehensive list of contributors.
+ * Additional contributors of this file:
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * @file nfc-emulation.h
+ * @brief Provide a small API to ease emulation in libnfc
+ */
+
+#ifndef __NFC_EMULATION_H__
+#define __NFC_EMULATION_H__
+
+#include <sys/types.h>
+#include <nfc/nfc.h>
+
+#ifdef __cplusplus
+extern  "C" {
+#endif /* __cplusplus */
+
+struct nfc_emulator;
+struct nfc_emulation_state_machine;
+
+/**
+ * @struct nfc_emulator
+ * @brief NFC emulator structure
+ */
+struct nfc_emulator {
+  nfc_target *target;
+  struct nfc_emulation_state_machine *state_machine;
+  void *user_data;
+};
+
+/**
+ * @struct nfc_emulation_state_machine
+ * @brief  NFC emulation state machine structure
+ */
+struct nfc_emulation_state_machine {
+  int (*io)(struct nfc_emulator *emulator, const uint8_t *data_in, const size_t data_in_len, uint8_t *data_out, const size_t data_out_len);
+  void *data;
+};
+
+NFC_EXPORT int    nfc_emulate_target(nfc_device *pnd, struct nfc_emulator *emulator, const int timeout);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __NFC_EMULATION_H__ */