summaryrefslogtreecommitdiffstats
path: root/low-can-binding/binding/application.cpp
blob: 5e0a6537063f332f7badc0ccb0235dfa06ef1c73 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * Copyright (C) 2015, 2016 "IoT.bzh"
 * Author "Romain Forlot" <romain.forlot@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 <ctime>

#include "application.hpp"

#include "../utils/signals.hpp"
#include "../utils/openxc-utils.hpp"
#include "low-can-subscription.hpp"

#define MICROSECONDS_IN_SECOND	1000000
#define ENGINE_VALUE_TIMEOUT	5

/// @brief Return singleton instance of configuration object.
application_t& application_t::instance()
{
	static application_t config;
	return config;
}

can_bus_t& application_t::get_can_bus_manager()
{
	return can_bus_manager_;
}

std::map<std::string, std::shared_ptr<low_can_subscription_t> >& application_t::get_can_devices()
{
	return can_devices_;
}

diagnostic_manager_t& application_t::get_diagnostic_manager()
{
	return diagnostic_manager_;
}

uint8_t application_t::get_active_message_set() const
{
	return active_message_set_;
}

std::vector<std::shared_ptr<message_set_t> > application_t::get_message_set()
{
	return message_set_;
}

std::vector<std::shared_ptr<signal_t> > application_t::get_all_signals()
{
	return message_set_[active_message_set_]->get_all_signals();
}

std::vector<std::shared_ptr<diagnostic_message_t> > application_t::get_diagnostic_messages()
{
	return message_set_[active_message_set_]->get_diagnostic_messages();
}

std::vector<std::shared_ptr<message_definition_t>> application_t::get_messages_definition()
{
	return message_set_[active_message_set_]->get_messages_definition();
}

uint32_t application_t::get_signal_id(diagnostic_message_t& sig) const
{
	return sig.get_pid();
}

uint32_t application_t::get_signal_id(signal_t& sig) const
{
	return sig.get_message()->get_id();
}

void application_t::set_active_message_set(uint8_t id)
{
	active_message_set_ = id;
}

bool application_t::isEngineOn()
{
	struct utils::signals_found sf;
	openxc_DynamicField search_key = build_DynamicField("engine.speed");
	sf = utils::signals_manager_t::instance().find_signals(search_key);
	bool engine_on = false;
	uint64_t last_timestamp_in_s;

	if(sf.signals.size() == 1)
	{
		last_timestamp_in_s = sf.signals.front()->get_last_value_with_timestamp().second
						/ MICROSECONDS_IN_SECOND;

		if(sf.signals.front()->get_last_value_with_timestamp().first > 0 &&
		   std::difftime(std::time(nullptr), last_timestamp_in_s) < ENGINE_VALUE_TIMEOUT)
		{
			engine_on = true;
		}
		else
		{
			AFB_NOTICE("is_engine_on: engine.speed CAN signal found, but engine seems off");
		}
	}
	else
	{
		AFB_NOTICE("is_engine_on: Can't identify a useable engine.speed CAN signal");
	}

	if(sf.diagnostic_messages.size() == 1)
	{
		last_timestamp_in_s = sf.diagnostic_messages.front()->get_last_value_with_timestamp().second
						/ MICROSECONDS_IN_SECOND;

		if(sf.diagnostic_messages.front()->get_last_value_with_timestamp().first > 0 &&
		   std::difftime(std::time(nullptr), last_timestamp_in_s) < ENGINE_VALUE_TIMEOUT)
		{
			engine_on = true;
		}
		else
		{
			AFB_NOTICE("is_engine_on: engine.speed diagnostic message found, but engine seems off");
		}
	}
	else
	{
		AFB_NOTICE("is_engine_on: Can't identify a useable engine.speed diagnostic message");
	}

	return engine_on;
}