mesh: Add header file support for C++

Add preprocessor directive for C++ compatibility.

nimble/host/mesh/include/mesh/access.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define BT_MESH_ADDR_UNASSIGNED   0x0000
 #define BT_MESH_ADDR_ALL_NODES    0xffff
 #define BT_MESH_ADDR_PROXIES      0xfffc
@@ -408,6 +412,10 @@ struct bt_mesh_comp {
 	struct bt_mesh_elem *elem;
 };
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

nimble/host/mesh/include/mesh/cfg_cli.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Mesh Configuration Client Model Context */
 struct bt_mesh_cfg_cli {
 	struct bt_mesh_model *model;
@@ -219,6 +223,9 @@ int bt_mesh_cfg_hb_pub_get(u16_t net_idx, u16_t addr,
 s32_t bt_mesh_cfg_cli_timeout_get(void);
 void bt_mesh_cfg_cli_timeout_set(s32_t timeout);
 
+#ifdef __cplusplus
+}
+#endif
 /**
  * @}
  */

nimble/host/mesh/include/mesh/cfg_srv.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Mesh Configuration Server Model Context */
 struct bt_mesh_cfg_srv {
 	struct bt_mesh_model *model;
@@ -62,6 +66,9 @@ extern const struct bt_mesh_model_op bt_mesh_cfg_srv_op[];
 		BT_MESH_MODEL(BT_MESH_MODEL_ID_CFG_SRV,                      \
 			      bt_mesh_cfg_srv_op, NULL, srv_data)
 
+#ifdef __cplusplus
+}
+#endif
 
 /**
  * @}

nimble/host/mesh/include/mesh/glue.h

@@ -45,6 +45,10 @@
 #include "config/config.h"
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define u8_t    uint8_t
 #define s8_t    int8_t
 #define u16_t   uint16_t
@@ -455,4 +459,8 @@ settings_load(void)
 
 #define BUILD_ASSERT(cond) _Static_assert(cond, "")
 
+#ifdef __cplusplus
+}
 #endif
+
+#endif /* _MESH_GLUE_ */

nimble/host/mesh/include/mesh/health_cli.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Mesh Health Client Model Context */
 struct bt_mesh_health_cli {
 	struct bt_mesh_model *model;
@@ -65,6 +69,10 @@ int bt_mesh_health_attention_set(u16_t net_idx, u16_t addr, u16_t app_idx,
 s32_t bt_mesh_health_cli_timeout_get(void);
 void bt_mesh_health_cli_timeout_set(s32_t timeout);
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

nimble/host/mesh/include/mesh/health_srv.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct bt_mesh_health_srv_cb {
 	/* Fetch current faults */
 	int (*fault_get_cur)(struct bt_mesh_model *model, u8_t *test_id,
@@ -84,6 +88,10 @@ extern const struct bt_mesh_model_op bt_mesh_health_srv_op[];
 		BT_MESH_MODEL(BT_MESH_MODEL_ID_HEALTH_SRV,                   \
 			      bt_mesh_health_srv_op, pub, srv)
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

nimble/host/mesh/include/mesh/main.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
 	BT_MESH_NO_OUTPUT       = 0,
 	BT_MESH_BLINK           = BIT(0),
@@ -358,6 +362,10 @@ int bt_mesh_lpn_poll(void);
  */
 void bt_mesh_lpn_set_cb(void (*cb)(u16_t friend_addr, bool established));
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

nimble/host/mesh/include/mesh/model_cli.h

@@ -7,6 +7,10 @@
 #ifndef __MODEL_CLI_H__
 #define __MODEL_CLI_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct bt_mesh_gen_model_cli {
     struct bt_mesh_model *model;
 
@@ -40,4 +44,8 @@ int bt_mesh_gen_level_set(u16_t net_idx, u16_t addr, u16_t app_idx,
 			  s16_t val, s16_t *state);
 int bt_mesh_gen_model_cli_init(struct bt_mesh_model *model, bool primary);
 
+#ifdef __cplusplus
+}
 #endif
+
+#endif /* __MODEL_CLI_H__ */

nimble/host/mesh/include/mesh/model_srv.h

@@ -7,6 +7,10 @@
 #ifndef __MODEL_SRV_H__
 #define __MODEL_SRV_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct bt_mesh_gen_onoff_srv_cb {
     int (*get)(struct bt_mesh_model *model, u8_t *state);
     int (*set)(struct bt_mesh_model *model, u8_t state);
@@ -45,4 +49,8 @@ void bt_mesh_set_gen_onoff_srv_cb(struct bt_mesh_gen_onoff_srv_cb *gen_onoff_cb)
 void bt_mesh_set_gen_level_srv_cb(struct bt_mesh_gen_level_srv_cb *gen_level_cb);
 void bt_mesh_set_light_lightness_srv_cb(struct bt_mesh_light_lightness_srv_cb *light_lightness_cb);
 
+#ifdef __cplusplus
+}
 #endif
+
+#endif /* __MODEL_SRV_H__ */

nimble/host/mesh/include/mesh/porting.h

@@ -10,8 +10,16 @@
 #ifndef __BT_MESH_PORTING_H
 #define __BT_MESH_PORTING_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void mesh_adv_thread(void *args);
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

nimble/host/mesh/include/mesh/proxy.h

@@ -17,6 +17,10 @@
  * @{
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * @brief Enable advertising with Node Identity.
  *
@@ -28,6 +32,10 @@
  */
 int bt_mesh_proxy_identity_enable(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */