upm/src/my9221/grovecircularled.cxx
Mihai Tudor Panu dfc7a710d4 firmata: extended data types on pins to allow subplatform usage
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2016-12-08 15:10:36 -08:00

102 lines
3.1 KiB
C++

/*
* 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 "grovecircularled.hpp"
using namespace upm;
using namespace std;
GroveCircularLED::GroveCircularLED (int dataPin, int clockPin)
: MY9221(dataPin, clockPin, 2)
{
// auto refresh by default
setAutoRefresh(true);
clearAll();
}
GroveCircularLED::~GroveCircularLED()
{
}
void GroveCircularLED::setSpinner(uint8_t position)
{
if (position > 23)
position = 23;
unsigned int ledsPerInstance = m_my9221->max_leds_per_instance;
for (uint8_t i=0; i<(ledsPerInstance * m_my9221->instances); i++)
m_my9221->bitStates[i] =
(i == position) ? m_my9221->highIntensity : m_my9221->lowIntensity;
if (m_my9221->autoRefresh)
refresh();
return;
}
void GroveCircularLED::setLevel(uint8_t level, bool direction)
{
if (level > 23)
level = 23;
unsigned int ledsPerInstance = m_my9221->max_leds_per_instance;
if (!direction)
{
for (unsigned int i=0; i < (ledsPerInstance * m_my9221->instances); i++)
m_my9221->bitStates[i] =
(i < level) ? m_my9221->highIntensity : m_my9221->lowIntensity;
}
else
{
for (unsigned int i=0; i<(ledsPerInstance * m_my9221->instances); i++)
m_my9221->bitStates[i] =
(((ledsPerInstance * m_my9221->instances) - i) <= level)
? m_my9221->highIntensity : m_my9221->lowIntensity;
}
if (m_my9221->autoRefresh)
refresh();
return;
}