fix(bt/blufi): Fixed BluFi module link error(C++ hybrid compilation)

components/bt/common/btc/profile/esp/blufi/include/blufi_int.h

@@ -1,22 +1,19 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #ifndef __BLUFI_INT_H__
 #define __BLUFI_INT_H__
 
 #include "btc/btc_task.h"
 #include "esp_blufi_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #if (BLUFI_INCLUDED == TRUE)
 
 #define BTC_BLUFI_GREAT_VER   0x01  //Version + Subversion
@@ -201,5 +198,10 @@ void btc_blufi_cb_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src);
 
 void btc_blufi_cb_deep_free(btc_msg_t *msg);
 
-#endif /* __BLUFI_INT_H__ */
-#endif  ///BLUFI_INCLUDED == TRUE
+#endif ///BLUFI_INCLUDED == TRUE
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __BLUFI_INT_H__ */

components/bt/common/btc/profile/esp/blufi/include/esp_blufi.h

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #ifndef __ESP_BLUFI_H__
 #define __ESP_BLUFI_H__
 
@@ -13,6 +19,10 @@
 #include "esp_gap_ble_api.h"
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define BLUFI_APP_UUID      0xFFFF
 #define BLUFI_DEVICE_NAME            "BLUFI_DEVICE"
 
@@ -74,4 +84,7 @@ void esp_blufi_adv_start(void);
 
 void esp_blufi_send_encap(void *arg);
 
+#ifdef __cplusplus
+}
+#endif
 #endif/* _ESP_BLUFI_ */

components/bt/common/btc/profile/esp/include/btc_blufi_prf.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #ifndef __BTC_BLUFI_PRF_H__
 #define __BTC_BLUFI_PRF_H__
@@ -29,6 +21,11 @@
 #define ESP_BLUFI_SUCCESS 0x00
 #endif
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define BT_BD_ADDR_STR         "%02x:%02x:%02x:%02x:%02x:%02x"
 #define BT_BD_ADDR_HEX(addr)   addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]
 
@@ -108,4 +105,7 @@ void btc_blufi_call_deep_free(btc_msg_t *msg);
 
 uint16_t btc_blufi_get_version(void);
 
+#ifdef __cplusplus
+}
+#endif
 #endif /* __BTC_BLUFI_PRF_H__ */