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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* These modules were rewritten, based on original work by:
*
* (original my9221/groveledbar driver)
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* (grovecircularled driver)
* Author: Jun Kato and Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Contributions: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2014 Intel Corporation.
*
* 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 <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h>
#include <stdlib.h>
#include "groveledbar.h"
using namespace upm;
using namespace std;
GroveLEDBar::GroveLEDBar (uint8_t dataPin, uint8_t clockPin, int instances)
: MY9221(dataPin, clockPin, instances)
{
// auto refresh by default
setAutoRefresh(true);
clearAll();
}
GroveLEDBar::~GroveLEDBar()
{
}
void GroveLEDBar::setBarLevel(uint8_t level, bool greenToRed, int barNumber)
{
if (level > 10)
level = 10;
if (barNumber >= m_instances)
barNumber = m_instances - 1;
int start = barNumber * LEDS_PER_INSTANCE;
int end = start + LEDS_PER_INSTANCE;
if (!greenToRed)
{
for (int i=start; i<end; i++)
m_bitStates[i] = (i < (level + start)) ?
m_highIntensity : m_lowIntensity;
}
else
{
for (int i=start; i<end; i++)
m_bitStates[i] = ( ((start + LEDS_PER_INSTANCE) - i) <=
(level + 2 + start)) ?
m_highIntensity : m_lowIntensity;
}
if (m_autoRefresh)
refresh();
return;
}
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