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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
* Author "Loic Collignon" <loic.collignon@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "can_decode_message.hpp"
#include "can-utils.hpp"
#include "openxc-utils.hpp"
#include "can-signals.hpp"
#include "can-decoder.hpp"
#include "can_reader.hpp"
void can_decode_message(can_bus_t &can_bus)
{
can_message_t can_message;
std::vector <CanSignal> signals;
std::vector <CanSignal>::iterator signals_i;
openxc_VehicleMessage vehicle_message;
openxc_DynamicField search_key, decoded_message;
decoder_t decoder;
while(can_bus.is_decoding())
{
{
std::unique_lock<std::mutex> can_message_lock(can_message_mutex);
new_can_message.wait(can_message_lock);
can_message = can_bus.next_can_message();
}
/* First we have to found which CanSignal it is */
search_key = build_DynamicField((double)can_message.get_id());
signals = find_can_signals(search_key);
/* Decoding the message ! Don't kill the messenger ! */
for(auto& sig : signals)
{
{
std::lock_guard<std::mutex> subscribed_signals_lock(subscribed_signals_mutex);
std::map<std::string, struct afb_event> subscribed_signals = get_subscribed_signals();
const auto& it_event = subscribed_signals.find(sig.genericName);
if(it_event != subscribed_signals.end() &&
afb_event_is_valid(it_event->second))
{
decoded_message = decoder.translateSignal(sig, can_message, getSignals());
openxc_SimpleMessage s_message = build_SimpleMessage(sig.genericName, decoded_message);
vehicle_message = build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type::openxc_DynamicField_Type_NUM, s_message);
std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex);
can_bus.push_new_vehicle_message(vehicle_message);
}
new_decoded_can_message.notify_one();
}
}
}
}
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