138 lines
4 KiB
C++
138 lines
4 KiB
C++
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/*
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; Project: Open Vehicle Monitor System
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; Date: 27th March 2019
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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) 2019 Marko Juhanne
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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 = "ovms_led";
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#include "ovms_led.h"
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#include "ovms_peripherals.h"
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#include "freertos/timers.h"
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void LedHandler( TimerHandle_t xTimer )
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{
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ovms_led * led = (ovms_led*) pvTimerGetTimerID(xTimer);
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if (led->transitions==0)
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{
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if (led->burst_count == 0)
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{
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// All blinks have finished
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led->SetState(led->default_state);
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xTimerStop(led->m_timer,100);
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}
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else
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{
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// Start new group of blinks
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if (led->burst_count != -1)
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led->burst_count--;
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led->transitions = led->count * 2 -1;
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led->SetState( (led->state+1)&1 );
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led->blink_state = (led->blink_state+1)&1;
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xTimerChangePeriod(led->m_timer, led->inter_burst_interval / portTICK_PERIOD_MS, 10);
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}
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}
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else
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{
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// New on/off transition of a blink in a burst
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if (led->transitions != -1)
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led->transitions--;
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led->SetState( (led->state+1)&1 );
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led->blink_state = (led->blink_state+1)&1;
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if (led->blink_state)
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xTimerChangePeriod(led->m_timer, led->on_duration / portTICK_PERIOD_MS, 10);
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else
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xTimerChangePeriod(led->m_timer, led->off_duration / portTICK_PERIOD_MS, 10);
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}
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}
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ovms_led::ovms_led( const char * name, int max7317_pin, int defaultState )
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{
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pin = max7317_pin;
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state = 0;
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SetDefaultState(defaultState);
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m_timer = xTimerCreate(name,40 / portTICK_PERIOD_MS,pdFALSE,this,LedHandler);
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}
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ovms_led::~ovms_led()
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{
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}
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void ovms_led::SetDefaultState( int defaultState )
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{
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default_state = defaultState;
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}
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void ovms_led::SetState( int newState )
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{
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if (MyPeripherals)
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{
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state = newState;
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#ifdef CONFIG_OVMS_COMP_MAX7317
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MyPeripherals->m_max7317->Output( pin, state ? 0 : 1);
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#endif // #ifdef CONFIG_OVMS_COMP_MAX7317
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}
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}
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void ovms_led::Set( int newState )
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{
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//ESP_LOGD(TAG, "set %s to %d", pcTimerGetTimerName(m_timer), newState);
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if (transitions != 0)
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xTimerStop(m_timer,100);
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SetState(newState);
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}
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void ovms_led::Blink( int onDuration, int offDuration, int _count, int burstCount, int interBurstInterval)
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{
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count = _count;
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if ( (count==0) || (burstCount==0) )
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return;
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if (count > 0)
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transitions = (count-1)*2;
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else
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transitions = -1; // blink indefinitely
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on_duration = onDuration;
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if (offDuration != -1)
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off_duration = offDuration;
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else
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off_duration = on_duration;
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burst_count = burstCount;
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if (burst_count != -1)
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burst_count--;
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inter_burst_interval = interBurstInterval;
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// There's a separate blink_state apart from the actual LED state, because if we want to blink an always-on LED, it transitions to off and then back on
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blink_state = 1;
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SetState( (default_state+1)&1 );
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//ESP_LOGD(TAG,"blink transitions %d burst %d state %d",transitions,burst_count,state);
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xTimerChangePeriod(m_timer, on_duration / portTICK_PERIOD_MS, 10);
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}
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