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 #ifdef YOTTA_CFG
00024 #include "sal-iface-6lowpan/ns_sal.h"
00025 #else
00026 #include "ns_hal_init.h"
00027 #endif
00028 #include "include/static_config.h"
00029 #include "include/mesh_system.h"
00030 // For tracing we need to define flag, have include and define group
00031 #define HAVE_DEBUG 1
00032 #include "ns_trace.h"
00033 #define TRACE_GROUP  "m6-mesh-system"
00034 
00035 /* Heap for NanoStack */
00036 static uint8_t app_stack_heap[MBED_MESH_API_HEAP_SIZE + 1];
00037 static bool mesh_initialized = false;
00038 
00039 /*
00040  * Heap error handler, called when heap problem is detected.
00041  * Function is for-ever loop.
00042  */
00043 static void mesh_system_heap_error_handler(heap_fail_t event)
00044 {
00045     tr_error("Heap error, mesh_system_heap_error_handler() %d", event);
00046     switch (event) {
00047         case NS_DYN_MEM_NULL_FREE:
00048         case NS_DYN_MEM_DOUBLE_FREE:
00049         case NS_DYN_MEM_ALLOCATE_SIZE_NOT_VALID:
00050         case NS_DYN_MEM_POINTER_NOT_VALID:
00051         case NS_DYN_MEM_HEAP_SECTOR_CORRUPTED:
00052         case NS_DYN_MEM_HEAP_SECTOR_UNITIALIZED:
00053             break;
00054         default:
00055             break;
00056     }
00057     while (1);
00058 }
00059 
00060 void mesh_system_init(void)
00061 {
00062     if (mesh_initialized == false) {
00063 #ifndef YOTTA_CFG
00064         ns_hal_init(app_stack_heap, MBED_MESH_API_HEAP_SIZE,
00065                     mesh_system_heap_error_handler, NULL);
00066         eventOS_scheduler_mutex_wait();
00067         net_init_core();
00068         eventOS_scheduler_mutex_release();
00069 #else
00070         ns_dyn_mem_init(app_stack_heap, MBED_MESH_API_HEAP_SIZE,
00071                         mesh_system_heap_error_handler, NULL);
00072         randLIB_seed_random();
00073         platform_timer_enable();
00074         eventOS_scheduler_init();
00075         trace_init(); // trace system needs to be initialized right after eventOS_scheduler_init
00076         net_init_core();
00077         /* initialize 6LoWPAN socket adaptation layer */
00078         ns_sal_init_stack();
00079 #endif
00080         mesh_initialized = true;
00081     }
00082 }
00083 
00084 void mesh_system_send_connect_event(uint8_t receiver)
00085 {
00086     arm_event_s event = {
00087         .sender =  receiver,
00088         .event_id = APPL_EVENT_CONNECT,
00089         .receiver = receiver,
00090         .event_type = APPLICATION_EVENT,
00091         .priority = ARM_LIB_LOW_PRIORITY_EVENT,
00092     };
00093     eventOS_event_send(&event);
00094 }