OVMS3/OVMS.V3/main/ovms_led.cpp

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/*
; Project: Open Vehicle Monitor System
; Date: 27th March 2019
;
; Changes:
; 1.0 Initial release
;
; (C) 2019 Marko Juhanne
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/
#include "ovms_log.h"
//static const char *TAG = "ovms_led";
#include "ovms_led.h"
#include "ovms_peripherals.h"
#include "freertos/timers.h"
void LedHandler( TimerHandle_t xTimer )
{
ovms_led * led = (ovms_led*) pvTimerGetTimerID(xTimer);
if (led->transitions==0)
{
if (led->burst_count == 0)
{
// All blinks have finished
led->SetState(led->default_state);
xTimerStop(led->m_timer,100);
}
else
{
// Start new group of blinks
if (led->burst_count != -1)
led->burst_count--;
led->transitions = led->count * 2 -1;
led->SetState( (led->state+1)&1 );
led->blink_state = (led->blink_state+1)&1;
xTimerChangePeriod(led->m_timer, led->inter_burst_interval / portTICK_PERIOD_MS, 10);
}
}
else
{
// New on/off transition of a blink in a burst
if (led->transitions != -1)
led->transitions--;
led->SetState( (led->state+1)&1 );
led->blink_state = (led->blink_state+1)&1;
if (led->blink_state)
xTimerChangePeriod(led->m_timer, led->on_duration / portTICK_PERIOD_MS, 10);
else
xTimerChangePeriod(led->m_timer, led->off_duration / portTICK_PERIOD_MS, 10);
}
}
ovms_led::ovms_led( const char * name, int max7317_pin, int defaultState )
{
pin = max7317_pin;
state = 0;
SetDefaultState(defaultState);
m_timer = xTimerCreate(name,40 / portTICK_PERIOD_MS,pdFALSE,this,LedHandler);
}
ovms_led::~ovms_led()
{
}
void ovms_led::SetDefaultState( int defaultState )
{
default_state = defaultState;
}
void ovms_led::SetState( int newState )
{
if (MyPeripherals)
{
state = newState;
#ifdef CONFIG_OVMS_COMP_MAX7317
MyPeripherals->m_max7317->Output( pin, state ? 0 : 1);
#endif // #ifdef CONFIG_OVMS_COMP_MAX7317
}
}
void ovms_led::Set( int newState )
{
//ESP_LOGD(TAG, "set %s to %d", pcTimerGetTimerName(m_timer), newState);
if (transitions != 0)
xTimerStop(m_timer,100);
SetState(newState);
}
void ovms_led::Blink( int onDuration, int offDuration, int _count, int burstCount, int interBurstInterval)
{
count = _count;
if ( (count==0) || (burstCount==0) )
return;
if (count > 0)
transitions = (count-1)*2;
else
transitions = -1; // blink indefinitely
on_duration = onDuration;
if (offDuration != -1)
off_duration = offDuration;
else
off_duration = on_duration;
burst_count = burstCount;
if (burst_count != -1)
burst_count--;
inter_burst_interval = interBurstInterval;
// 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
blink_state = 1;
SetState( (default_state+1)&1 );
//ESP_LOGD(TAG,"blink transitions %d burst %d state %d",transitions,burst_count,state);
xTimerChangePeriod(m_timer, on_duration / portTICK_PERIOD_MS, 10);
}