mesh_system.c

00001 /*
00002  * Copyright (c) 2015-2019 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include <stdlib.h>
00018 #include "eventOS_scheduler.h"
00019 #include "eventOS_event.h"
00020 #include "net_interface.h"
00021 #include "nsdynmemLIB.h"
00022 #include "randLIB.h"
00023 #include "platform/arm_hal_timer.h"
00024 #include "ns_hal_init.h"
00025 #include "include/mesh_system.h"
00026 #include "mbed_assert.h"
00027 #include "mbed_error.h"
00028 #include "ns_file_system.h"
00029 // For tracing we need to define flag, have include and define group
00030 #define HAVE_DEBUG 1
00031 #include "ns_trace.h"
00032 #define TRACE_GROUP  "m6-mesh-system"
00033 
00034 /* Heap for NanoStack */
00035 #if !MBED_CONF_MBED_MESH_API_USE_MALLOC_FOR_HEAP
00036 static uint8_t app_stack_heap[MBED_CONF_MBED_MESH_API_HEAP_SIZE + 1];
00037 #else
00038 static uint8_t *app_stack_heap;
00039 #endif
00040 static bool mesh_initialized = false;
00041 #ifdef MBED_CONF_MBED_MESH_API_HEAP_STAT_INFO_DEFINITION
00042 MBED_CONF_MBED_MESH_API_HEAP_STAT_INFO_DEFINITION;
00043 #endif
00044 
00045 /*
00046  * Heap error handler, called when heap problem is detected.
00047  * Function is for-ever loop.
00048  */
00049 static void mesh_system_heap_error_handler(heap_fail_t event)
00050 {
00051     MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_NETWORK_STACK, MBED_ERROR_CODE_OUT_OF_MEMORY), "Heap error, mesh_system_heap_error_handler()", event);
00052 }
00053 
00054 void mesh_system_init(void)
00055 {
00056     if (mesh_initialized == false) {
00057 #if MBED_CONF_MBED_MESH_API_USE_MALLOC_FOR_HEAP
00058         app_stack_heap = malloc(MBED_CONF_MBED_MESH_API_HEAP_SIZE + 1);
00059         MBED_ASSERT(app_stack_heap);
00060 #endif
00061         ns_hal_init(app_stack_heap, MBED_CONF_MBED_MESH_API_HEAP_SIZE,
00062                     mesh_system_heap_error_handler, MBED_CONF_MBED_MESH_API_HEAP_STAT_INFO);
00063         eventOS_scheduler_mutex_wait();
00064         net_init_core();
00065         eventOS_scheduler_mutex_release();
00066         mesh_initialized = true;
00067     }
00068 }
00069 
00070 void mesh_system_send_connect_event(uint8_t receiver)
00071 {
00072     arm_event_s event = {
00073         .sender =  receiver,
00074         .event_id = APPL_EVENT_CONNECT,
00075         .receiver = receiver,
00076         .event_type = APPLICATION_EVENT,
00077         .priority = ARM_LIB_LOW_PRIORITY_EVENT,
00078     };
00079     eventOS_event_send(&event);
00080 }
00081 
00082 int mesh_system_set_file_system_root_path(const char *root_path)
00083 {
00084     return ns_file_system_set_root_path(root_path);
00085 }