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 <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 // For tracing we need to define flag, have include and define group
00028 #define HAVE_DEBUG 1
00029 #include "ns_trace.h"
00030 #define TRACE_GROUP  "m6-mesh-system"
00031 
00032 /* Heap for NanoStack */
00033 #if !MBED_CONF_MBED_MESH_API_USE_MALLOC_FOR_HEAP
00034 static uint8_t app_stack_heap[MBED_CONF_MBED_MESH_API_HEAP_SIZE + 1];
00035 #else
00036 static uint8_t *app_stack_heap;
00037 #endif
00038 static bool mesh_initialized = false;
00039 
00040 /*
00041  * Heap error handler, called when heap problem is detected.
00042  * Function is for-ever loop.
00043  */
00044 static void mesh_system_heap_error_handler(heap_fail_t event)
00045 {
00046     tr_error("Heap error, mesh_system_heap_error_handler() %d", event);
00047     switch (event) {
00048         case NS_DYN_MEM_NULL_FREE:
00049         case NS_DYN_MEM_DOUBLE_FREE:
00050         case NS_DYN_MEM_ALLOCATE_SIZE_NOT_VALID:
00051         case NS_DYN_MEM_POINTER_NOT_VALID:
00052         case NS_DYN_MEM_HEAP_SECTOR_CORRUPTED:
00053         case NS_DYN_MEM_HEAP_SECTOR_UNITIALIZED:
00054             break;
00055         default:
00056             break;
00057     }
00058     while (1);
00059 }
00060 
00061 void mesh_system_init(void)
00062 {
00063     if (mesh_initialized == false) {
00064 #if MBED_CONF_MBED_MESH_API_USE_MALLOC_FOR_HEAP
00065         app_stack_heap = malloc(MBED_CONF_MBED_MESH_API_HEAP_SIZE+1);
00066         MBED_ASSERT(app_stack_heap);
00067 #endif
00068         ns_hal_init(app_stack_heap, MBED_CONF_MBED_MESH_API_HEAP_SIZE,
00069                     mesh_system_heap_error_handler, NULL);
00070         eventOS_scheduler_mutex_wait();
00071         net_init_core();
00072         eventOS_scheduler_mutex_release();
00073         mesh_initialized = true;
00074     }
00075 }
00076 
00077 void mesh_system_send_connect_event(uint8_t receiver)
00078 {
00079     arm_event_s event = {
00080         .sender =  receiver,
00081         .event_id = APPL_EVENT_CONNECT,
00082         .receiver = receiver,
00083         .event_type = APPLICATION_EVENT,
00084         .priority = ARM_LIB_LOW_PRIORITY_EVENT,
00085     };
00086     eventOS_event_send(&event);
00087 }