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authorRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
committerRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
commit32e25cbca210a359b09768537b6f443fe90a3070 (patch)
tree3309794c15d8a8f8e9c1c08cad072ee1378813ba /CAN-binder/low-can-binding/utils/timer.cpp
parent76c43dec62b2e21cd6446360c00d4fe6b437533f (diff)
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'CAN-binder/low-can-binding/utils/timer.cpp')
-rw-r--r--CAN-binder/low-can-binding/utils/timer.cpp129
1 files changed, 0 insertions, 129 deletions
diff --git a/CAN-binder/low-can-binding/utils/timer.cpp b/CAN-binder/low-can-binding/utils/timer.cpp
deleted file mode 100644
index f3cdd5e7..00000000
--- a/CAN-binder/low-can-binding/utils/timer.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * 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_ = 1;
-}
-
-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;
-} \ No newline at end of file