Avoid exporting BLE symbols in sketches which don't use BLE

By moving the BLE stack initialization to its library we can avoid including it in any build.

Author: facchinm

libraries/CurieBLE/src/internal/BLEDeviceManager.cpp

@@ -132,6 +132,7 @@ bool BLEDeviceManager::begin(BLEDevice *device)
 {
     if (NULL == _local_ble)
     {
+        ble_cfw_init();
         _local_ble = device;
         bt_le_set_mac_address(_local_bda);
 

libraries/CurieBLE/src/internal/ble_client.c

@@ -77,6 +77,15 @@ static void *ble_client_update_param_event_param;
 extern "C" {
 #endif
 
+static bool initialized = false;
+
+inline void ble_cfw_init() {
+    if (!initialized) {
+        ble_cfw_service_init(BLE_SERVICE_ID, cfw_get_service_queue());
+        initialized = true;
+    }
+}
+
 static void on_connected(bt_conn_t *conn, uint8_t err)
 {
     if (ble_client_connect_event_cb)

libraries/CurieBLE/src/internal/ble_client.h

@@ -102,6 +102,7 @@ typedef void (*ble_client_update_param_event_cb_t)(struct bt_conn *conn,
 extern "C" {
 #endif
 
+void ble_cfw_init();
 void ble_client_init(ble_client_connect_event_cb_t connect_cb, void* connect_param,
                      ble_client_disconnect_event_cb_t disconnect_cb, void* disconnect_param,
                      ble_client_update_param_event_cb_t update_param_cb, void* update_param_param);

system/libarc32_arduino101/framework/include/cfw_platform.h

@@ -40,6 +40,7 @@ extern "C" {
 
 void    cfw_platform_init(void);
 T_QUEUE cfw_get_service_queue(void);
+void ble_cfw_service_init(int service_id, T_QUEUE queue);
 
 #ifdef __cplusplus
 }

system/libarc32_arduino101/framework/src/cfw_platform.c

@@ -46,7 +46,6 @@
 
 /* FIXME: Service manager API */
 extern void _cfw_init(void *);
-extern void ble_cfw_service_init(int service_id, T_QUEUE queue);
 
 extern void *services;
 
@@ -115,7 +114,7 @@ void cfw_platform_init(void)
                     shared_data->services, shared_data->service_mgr_port_id);
 #else
     _cfw_init(service_mgr_queue);
-    ble_cfw_service_init(BLE_SERVICE_ID, service_mgr_queue);
+    //ble_cfw_service_init(BLE_SERVICE_ID, service_mgr_queue);
 
     /* Initialized shared structure. */
     shared_data->ports = port_get_port_table();