mesh_system.c

00001 /*
00002  * Copyright (c) 2015 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 "eventOS_scheduler.h"
00018 #include "eventOS_event.h"
00019 #include "net_interface.h"
00020 #include "nsdynmemLIB.h"
00021 #include "randLIB.h"
00022 #include "platform/arm_hal_timer.h"
00023 #include "ns_hal_init.h"
00024 #include "include/static_config.h"
00025 #include "include/mesh_system.h"
00026 // For tracing we need to define flag, have include and define group
00027 #define HAVE_DEBUG 1
00028 #include "ns_trace.h"
00029 #define TRACE_GROUP  "m6-mesh-system"
00030 
00031 /* Heap for NanoStack */
00032 static uint8_t app_stack_heap[MBED_MESH_API_HEAP_SIZE + 1];
00033 static bool mesh_initialized = false;
00034 
00035 /*
00036  * Heap error handler, called when heap problem is detected.
00037  * Function is for-ever loop.
00038  */
00039 static void mesh_system_heap_error_handler(heap_fail_t event)
00040 {
00041     tr_error("Heap error, mesh_system_heap_error_handler() %d", event);
00042     switch (event) {
00043         case NS_DYN_MEM_NULL_FREE:
00044         case NS_DYN_MEM_DOUBLE_FREE:
00045         case NS_DYN_MEM_ALLOCATE_SIZE_NOT_VALID:
00046         case NS_DYN_MEM_POINTER_NOT_VALID:
00047         case NS_DYN_MEM_HEAP_SECTOR_CORRUPTED:
00048         case NS_DYN_MEM_HEAP_SECTOR_UNITIALIZED:
00049             break;
00050         default:
00051             break;
00052     }
00053     while (1);
00054 }
00055 
00056 void mesh_system_init(void)
00057 {
00058     if (mesh_initialized == false) {
00059         ns_hal_init(app_stack_heap, MBED_MESH_API_HEAP_SIZE,
00060                     mesh_system_heap_error_handler, NULL);
00061         eventOS_scheduler_mutex_wait();
00062         net_init_core();
00063         eventOS_scheduler_mutex_release();
00064         mesh_initialized = true;
00065     }
00066 }
00067 
00068 void mesh_system_send_connect_event(uint8_t receiver)
00069 {
00070     arm_event_s event = {
00071         .sender =  receiver,
00072         .event_id = APPL_EVENT_CONNECT,
00073         .receiver = receiver,
00074         .event_type = APPLICATION_EVENT,
00075         .priority = ARM_LIB_LOW_PRIORITY_EVENT,
00076     };
00077     eventOS_event_send(&event);
00078 }