summaryrefslogtreecommitdiffstats
path: root/.gitreview
blob: 883d5abcb1d49cbfcd2dcb6be7a7b94e9d580bd3 (plain) 
1
2
3
4

[gerrit]
host=gerrit.automotivelinux.org
port=29418
project=AGL/meta-agl-demo
0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * 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 <time.h>
#include <stdlib.h>
#include <cmath>

#include "timer.hpp"

long long int system_time_us()
{
	struct timespec t_usec;
	long long int timestamp_usec = 0;

	if(!::clock_gettime(CLOCK_MONOTONIC, &t_usec))
		timestamp_usec = (t_usec.tv_nsec / 1000ll) + (t_usec.tv_sec* 1000000ll);
	return timestamp_usec;
}

long long int system_time_ms()
{
	struct timespec t_msec;
	long long int timestamp_msec = 0;

	if(!::clock_gettime(CLOCK_MONOTONIC, &t_msec))
		timestamp_msec = (t_msec.tv_nsec / 1000000ll) + (t_msec.tv_sec* 1000ll);
	return timestamp_msec;
}

long long int system_time_s()
{
	struct timespec t_sec;
	long long int timestamp_sec = 0;

	if(!::clock_gettime(CLOCK_MONOTONIC, &t_sec))
		timestamp_sec = t_sec.tv_sec;
	return timestamp_sec;
}

frequency_clock_t::frequency_clock_t()
	: unit_{1000000}, frequency_{10.0}, last_tick_{0}, time_function_{nullptr}
{}

frequency_clock_t::frequency_clock_t(float frequency)
	: unit_{1000000}, frequency_{frequency}, last_tick_{0}, time_function_{nullptr}
{
	if(frequency_ <= 0)
		frequency_ = 2000;
}

frequency_clock_t::frequency_clock_t(float frequency, uint64_t last_tick, time_function_t time_function)
	: unit_{1000000}, frequency_{frequency}, last_tick_{0}, time_function_{nullptr}
{
	if(frequency_ <= 0)
		frequency_ = 1;
}

/// @brief Return the period in ms given the frequency in hertz.
/// @param[in] frequency - Frequency to convert, in hertz
float frequency_clock_t::frequency_to_period() const
{
	return frequency_ == 0 ? 0 : 1 / frequency_;
}

/// @brief Return a timeval struct based on the frequency_ member. used to
/// specified CAN BCM timers.
const struct timeval frequency_clock_t::get_timeval_from_period() const
{
	struct timeval freq = {0, 0};
	float f;
	freq.tv_usec = (long int)(std::modf(frequency_to_period(), &f) * unit_);
	freq.tv_sec = (time_t)f;

	return freq;
}

bool frequency_clock_t::started()
{
	return last_tick_ != 0;
}

time_function_t frequency_clock_t::get_time_function()
{
	return time_function_ != nullptr ? time_function_ : system_time_us;
}

bool frequency_clock_t::elapsed(bool stagger)
{
	float period = frequency_to_period();
	float elapsed_time = 0;
	if(!started() && stagger)
		last_tick_ = get_time_function()() - (rand() % int(period));

	// Make sure it ticks the the first call
	elapsed_time = !started() ? period : (float)get_time_function()() - (float)last_tick_;

	return frequency_ == 0 || elapsed_time >= period;
}

float frequency_clock_t::get_frequency() const
{
	return frequency_;
}

uint64_t frequency_clock_t::get_last_tick() const
{
	return last_tick_;
}

/// @brief Force the clock to tick, regardless of it its time has actually
/// elapsed.
void frequency_clock_t::tick(uint64_t timestamp)
{
	last_tick_ = timestamp;
}