QUECTEL_BG96.cpp

00001 /*
00002  * Copyright (c) 2017, Arm Limited and affiliates.
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "QUECTEL/BG96/QUECTEL_BG96.h"
00019 #include "QUECTEL/BG96/QUECTEL_BG96_CellularNetwork.h"
00020 #include "QUECTEL/BG96/QUECTEL_BG96_CellularStack.h"
00021 
00022 using namespace mbed;
00023 using namespace events;
00024 
00025 #define CONNECT_DELIM         "\r\n"
00026 #define CONNECT_BUFFER_SIZE   (1280 + 80 + 80) // AT response + sscanf format
00027 #define CONNECT_TIMEOUT       8000
00028 
00029 #define MAX_STARTUP_TRIALS 5
00030 #define MAX_RESET_TRIALS 5
00031 
00032 static const AT_CellularBase::SupportedFeature unsupported_features[] =  {
00033     AT_CellularBase::AT_CGSN_WITH_TYPE,
00034     AT_CellularBase::SUPPORTED_FEATURE_END_MARK
00035 };
00036 
00037 QUECTEL_BG96::QUECTEL_BG96(EventQueue &queue) : AT_CellularDevice(queue)
00038 {
00039     AT_CellularBase::set_unsupported_features(unsupported_features);
00040 }
00041 
00042 QUECTEL_BG96::~QUECTEL_BG96()
00043 {
00044 }
00045 
00046 CellularNetwork *QUECTEL_BG96::open_network(FileHandle *fh)
00047 {
00048     if (!_network) {
00049         ATHandler *atHandler = get_at_handler(fh);
00050         if (atHandler) {
00051             _network = new QUECTEL_BG96_CellularNetwork(*atHandler);
00052             if (!_network) {
00053                 release_at_handler(atHandler);
00054             }
00055         }
00056     }
00057     return _network;
00058 }