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118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
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/*
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* @file ATParser.cpp
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* @author Mateusz Piesta (mateusz.piesta@mudita.com)
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* @date 17.07.19
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* @brief
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* @copyright Copyright (C) 2019 mudita.com
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* @details
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*/
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#include "ATParser.hpp"
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#include "Service/Bus.hpp"
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#include "bsp/cellular/bsp_cellular.hpp"
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#include "service-cellular/messages/CellularMessage.hpp"
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#include "ticks.hpp"
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#include <Utils.hpp>
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#include <utility>
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#include <vector>
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ATParser::ATParser(bsp::Cellular *cellular) : cellular(cellular) {
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isInitialized = true;
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}
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/// plz see 12.7 summary of urc in documentation
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std::vector<ATParser::Urc> ATParser::ParseURC() {
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std::vector<ATParser::Urc> resp;
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size_t maxPos = 0, pos = 0;
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cpp_freertos::LockGuard lock(mutex);
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std::vector<std::pair<std::string, ATParser::Urc>> vals = {
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{"RDY", ATParser::Urc::MeInitializationSuccessful},
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{"+CFUN: 1", ATParser::Urc::FullFuncionalityAvailable},
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};
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for (const auto &el : vals)
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{
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pos = responseBuffer.find(el.first);
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if (pos != std::string::npos)
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{
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resp.push_back(el.second);
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maxPos = std::max(pos + el.first.length(), maxPos);
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LOG_DEBUG(("[URC]: " + el.first).c_str());
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}
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}
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// manage string buffer
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if(maxPos == 0){
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}
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else if (responseBuffer.size() >= maxPos) {
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responseBuffer.erase();
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} else {
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responseBuffer = responseBuffer.substr(maxPos);
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}
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return resp;
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}
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int ATParser::ProcessNewData(sys::Service *service) {
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char rawBuffer[256] = {0};
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LOG_DEBUG("Receiving data from ProcessNewData");
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auto length = cellular->Read(rawBuffer, sizeof(rawBuffer));
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{
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cpp_freertos::LockGuard lock(mutex);
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LOG_DEBUG("Appending %i bytes to responseBuffer[%d]: %s", length, responseBuffer.size(), responseBuffer.c_str());
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responseBuffer.append(reinterpret_cast<char *>(rawBuffer), length);
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}
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auto ret = ParseURC();
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if (blockedTaskHandle) {
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xTaskNotifyGive(blockedTaskHandle);
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}
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else if (ret.size())
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{
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urcs.insert(std::end(urcs), std::begin(ret), std::end(ret));
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// GSM modem is considered as operational when it outputs URCs specified below:
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// 1) RDY
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// 2) +CFUN: 1
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if (urcs.size() == 2)
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{
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cpp_freertos::LockGuard lock(mutex);
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auto msg = std::make_shared<CellularNotificationMessage>(CellularNotificationMessage::Type::PowerUpProcedureComplete);
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sys::Bus::SendMulticast(msg, sys::BusChannels::ServiceCellularNotifications, service);
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LOG_DEBUG("[!!!] Fucking away data");
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responseBuffer.erase();
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urcs.clear();
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}
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}
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return 1;
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}
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void ATParser::cmd_init()
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{
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cpp_freertos::LockGuard lock(mutex);
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responseBuffer.erase();
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}
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void ATParser::cmd_send(std::string cmd)
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{
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cellular->Write(const_cast<char *>(cmd.c_str()), cmd.size());
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}
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std::vector<std::string> ATParser::cmd_receive()
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{
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cpp_freertos::LockGuard lock(mutex);
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return utils::split(responseBuffer, "\r\n");
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}
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void ATParser::cmd_post()
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{
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cpp_freertos::LockGuard lock(mutex);
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responseBuffer.erase(); // TODO:M.P is it okay to flush buffer here ?
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}
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