diff options
Diffstat (limited to 'peripheral/libupm/src/enc03r/enc03r.cxx')
-rw-r--r-- | peripheral/libupm/src/enc03r/enc03r.cxx | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/peripheral/libupm/src/enc03r/enc03r.cxx b/peripheral/libupm/src/enc03r/enc03r.cxx deleted file mode 100644 index 6b1faa8..0000000 --- a/peripheral/libupm/src/enc03r/enc03r.cxx +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Author: 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 "enc03r.h" - -using namespace upm; -using namespace std; - -ENC03R::ENC03R(int pin, float vref) -{ - if ( !(m_aio = mraa_aio_init(pin)) ) - { - throw std::invalid_argument(std::string(__FUNCTION__) + - ": mraa_aio_init() failed, invalid pin?"); - return; - } - - m_vref = vref; - m_calibrationValue = 0; -} - -ENC03R::~ENC03R() -{ - mraa_aio_close(m_aio); -} - -unsigned int ENC03R::value() -{ - return mraa_aio_read(m_aio); -} - -void ENC03R::calibrate(unsigned int samples) -{ - unsigned int val; - float total = 0.0; - - for (int i=0; i<samples; i++) - { - val = mraa_aio_read(m_aio); - total += (float)val; - usleep(2000); - } - - m_calibrationValue = total / (float)samples; -} - -double ENC03R::angularVelocity(unsigned int val) -{ - // from seeed studio example - //return (((double)(val-m_calibrationValue)*(m_vref*1000.0))/1023.0/0.67); - return (((double)(val-m_calibrationValue)*(m_vref*1000.0))/685.41); -} |