OSStatus bt_smartbridge_att_cache_release( bt_smartbridge_att_cache_t* cache )
{
OSStatus result;
if ( att_cache_manager == NULL )
{
return MICO_BT_ATT_CACHE_UNINITIALISED;
}
/* Lock protection */
result = mico_rtos_lock_mutex( &att_cache_manager->mutex );
if ( result != MICO_BT_SUCCESS )
{
return result;
}
result = linked_list_remove_node( &att_cache_manager->used_list, &cache->node );
if ( result == MICO_BT_SUCCESS )
{
/* Delete list and set data to NULL */
mico_bt_smart_attribute_delete_list( &cache->attribute_list );
}
smartbridge_att_cache_return_to_free_list( cache );
/* Unlock protection */
mico_rtos_unlock_mutex( &att_cache_manager->mutex );
return result;
}
wiced_result_t bt_smartbridge_att_cache_generate( const wiced_bt_smart_device_t* remote_device, uint16_t connection_handle, bt_smartbridge_att_cache_t** cache )
{
bt_smartbridge_att_cache_t* new_cache = NULL;
wiced_result_t result;
if ( cache == NULL )
{
return WICED_BT_BADARG;
}
if ( att_cache_manager == NULL )
{
return WICED_BT_ATT_CACHE_UNINITIALISED;
}
/* Cached attributes not found. Get a free instance and discover services */
result = smartbridge_att_cache_get_free_cache( &new_cache );
if ( result != WICED_BT_SUCCESS )
{
return result;
}
/* Copy remote device to cache */
wiced_rtos_lock_mutex( &new_cache->mutex );
memcpy( &new_cache->remote_device, remote_device, sizeof( new_cache->remote_device ) );
new_cache->connection_handle = connection_handle;
new_cache->is_discovering = WICED_TRUE;
wiced_rtos_unlock_mutex( &new_cache->mutex );
/* Rediscover services */
result = smartbridge_att_cache_discover_all( new_cache, new_cache->connection_handle );
wiced_rtos_lock_mutex( &new_cache->mutex );
new_cache->is_discovering = WICED_FALSE;
wiced_rtos_unlock_mutex( &new_cache->mutex );
if ( result == WICED_BT_SUCCESS )
{
result = smartbridge_att_cache_insert_to_used_list( new_cache );
if ( result == WICED_SUCCESS )
{
*cache = new_cache;
}
}
else
{
smartbridge_att_cache_return_to_free_list( new_cache );
}
return result;
}
