ublox-cellular-base
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UbloxATCmdParser.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 #ifdef TARGET_UBLOX_C030_R41XM 00018 00019 #include "UbloxATCmdParser.h" 00020 #include "rtos/Thread.h" 00021 00022 using namespace mbed; 00023 00024 UbloxATCmdParser::UbloxATCmdParser(FileHandle *fh, const char *output_delimiter, int buffer_size, int timeout, bool debug) : ATCmdParser(fh, output_delimiter, buffer_size, timeout, debug) 00025 { 00026 idle_mode_disabled(); 00027 } 00028 UbloxATCmdParser::~UbloxATCmdParser() 00029 { 00030 00031 } 00032 00033 00034 bool UbloxATCmdParser::send(const char *command, ...) 00035 { 00036 bool status = false; 00037 00038 if (_idle_mode_status == true) { //idle mode is active 00039 if ( _wakeup_timer.read_ms() >= 5000) { //if more than 5 secs have passed since last TX activity, wake up the modem. 00040 uint8_t retries = 3; 00041 ATCmdParser::set_timeout(1000); 00042 while(retries--) { 00043 ATCmdParser::putc('A'); 00044 wait_ms(10); //wait a little 00045 if ( (ATCmdParser::send("AT")) && (ATCmdParser::recv("OK")) ) { //check if modem is awake and accepting commands 00046 status = true; 00047 break; 00048 } 00049 } 00050 ATCmdParser::set_timeout(_timeout); 00051 if (status == false) { //all tries failed, return false 00052 _wakeup_timer.reset(); 00053 return status; 00054 } 00055 } 00056 _wakeup_timer.reset(); //Any activity on tx will reset the timer. Timer will expire if no activity since last 5 secs 00057 } 00058 00059 va_list args; 00060 va_start(args, command); 00061 status = ATCmdParser::vsend(command, args); 00062 va_end(args); 00063 return status; 00064 } 00065 00066 void UbloxATCmdParser::idle_mode_enabled() 00067 { 00068 _idle_mode_status = true; 00069 _wakeup_timer.start(); 00070 } 00071 00072 void UbloxATCmdParser::idle_mode_disabled() 00073 { 00074 _idle_mode_status = false; 00075 _wakeup_timer.stop(); 00076 } 00077 00078 bool UbloxATCmdParser::is_idle_mode_enabled() 00079 { 00080 return _idle_mode_status; 00081 } 00082 00083 void UbloxATCmdParser::set_timeout(int timeout) { 00084 _timeout = timeout; 00085 ATCmdParser::set_timeout(timeout); 00086 } 00087 #endif /* TARGET_UBLOX_C030_R41XM */
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