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102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* These modules were rewritten, based on original work by:
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*
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* (original my9221/groveledbar driver)
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* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* (grovecircularled driver)
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* Author: Jun Kato and Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Contributions: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include <string>
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#include <stdexcept>
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#include <unistd.h>
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#include <stdlib.h>
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#include "grovecircularled.hpp"
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using namespace upm;
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using namespace std;
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GroveCircularLED::GroveCircularLED (int dataPin, int clockPin)
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: MY9221(dataPin, clockPin, 2)
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{
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// auto refresh by default
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setAutoRefresh(true);
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clearAll();
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}
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GroveCircularLED::~GroveCircularLED()
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{
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}
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void GroveCircularLED::setSpinner(uint8_t position)
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{
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if (position > 23)
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position = 23;
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unsigned int ledsPerInstance = m_my9221->max_leds_per_instance;
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for (uint8_t i=0; i<(ledsPerInstance * m_my9221->instances); i++)
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m_my9221->bitStates[i] =
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(i == position) ? m_my9221->highIntensity : m_my9221->lowIntensity;
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if (m_my9221->autoRefresh)
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refresh();
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return;
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}
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void GroveCircularLED::setLevel(uint8_t level, bool direction)
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{
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if (level > 23)
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level = 23;
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unsigned int ledsPerInstance = m_my9221->max_leds_per_instance;
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if (!direction)
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{
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for (unsigned int i=0; i < (ledsPerInstance * m_my9221->instances); i++)
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m_my9221->bitStates[i] =
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(i < level) ? m_my9221->highIntensity : m_my9221->lowIntensity;
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}
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else
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{
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for (unsigned int i=0; i<(ledsPerInstance * m_my9221->instances); i++)
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m_my9221->bitStates[i] =
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(((ledsPerInstance * m_my9221->instances) - i) <= level)
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? m_my9221->highIntensity : m_my9221->lowIntensity;
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}
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if (m_my9221->autoRefresh)
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refresh();
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return;
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}
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