123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*
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; Project: Open Vehicle Monitor System
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; Date: 14th March 2017
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;
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; Changes:
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; 1.0 Initial release
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;
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; (C) 2011 Michael Stegen / Stegen Electronics
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; (C) 2011-2017 Mark Webb-Johnson
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; (C) 2011 Sonny Chen @ EPRO/DX
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; (C) 2019 Michael Balzer
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in
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; all copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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; THE SOFTWARE.
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*/
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#include "ovms_log.h"
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static const char *TAG = "timer";
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#include "ovms_timer.h"
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OvmsTimer::OvmsTimer(const char* name /*=NULL*/, int maxwait_ms /*=-1*/, bool autoreload /*=false*/)
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{
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m_name = name ? name : "";
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m_maxwait = (maxwait_ms >= 0) ? pdMS_TO_TICKS(maxwait_ms) : portMAX_DELAY;
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m_callback = NULL;
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m_timer = xTimerCreate(m_name, portMAX_DELAY, autoreload, (void*)this, Callback);
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if (!m_timer)
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ESP_LOGE(TAG, "Timer '%s' could not be created", m_name);
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m_active = false;
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}
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OvmsTimer::~OvmsTimer()
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{
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m_callback = NULL;
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if (m_timer)
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{
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TickType_t wait = IsActive() ? portMAX_DELAY : m_maxwait;
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if (xTimerDelete(m_timer, wait) != pdPASS)
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ESP_LOGE(TAG, "Timer '%s' could not be deleted", m_name);
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}
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}
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void OvmsTimer::Callback(TimerHandle_t xTimer)
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{
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OvmsTimer* me = (OvmsTimer*) pvTimerGetTimerID(xTimer);
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if (me->m_callback)
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me->m_callback();
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}
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bool OvmsTimer::Set(int time_ms, std::function<void()> callback)
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{
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if (!m_timer)
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return false;
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if (xTimerChangePeriod(m_timer, pdMS_TO_TICKS(time_ms), m_maxwait) != pdPASS)
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return false;
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m_callback = callback;
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return true;
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}
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bool OvmsTimer::Start(int time_ms, std::function<void()> callback)
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{
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if (!Stop())
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return false;
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if (!Set(time_ms, callback))
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return false;
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return Start();
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}
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bool OvmsTimer::IsActive()
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{
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return (m_timer && m_active);
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}
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bool OvmsTimer::Start()
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{
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if (!m_timer)
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return false;
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if (IsActive())
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return Reset();
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m_active = (xTimerStart(m_timer, m_maxwait) == pdPASS);
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return m_active;
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}
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bool OvmsTimer::Stop()
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{
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if (!m_timer)
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return false;
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if (!IsActive())
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return true;
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if (xTimerStop(m_timer, m_maxwait) == pdPASS)
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{
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m_active = false;
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return true;
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}
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else
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return false;
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}
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bool OvmsTimer::Reset()
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{
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if (!m_timer)
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return false;
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if (!IsActive())
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return true;
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return (xTimerReset(m_timer, m_maxwait) == pdPASS);
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}
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