diff options
Diffstat (limited to 'peripheral/libupm/src/hdxxvxta/hdxxvxta.cxx')
-rw-r--r-- | peripheral/libupm/src/hdxxvxta/hdxxvxta.cxx | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/peripheral/libupm/src/hdxxvxta/hdxxvxta.cxx b/peripheral/libupm/src/hdxxvxta/hdxxvxta.cxx deleted file mode 100644 index 6c25d1b..0000000 --- a/peripheral/libupm/src/hdxxvxta/hdxxvxta.cxx +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Author: Jon Trulson <jtrulson@ics.com> - * Copyright (c) 2016 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 "hdxxvxta.h" - -using namespace upm; -using namespace std; - -// conversion from celcius to fahrenheit - -static float c2f(float c) -{ - return (c * (9.0 / 5.0) + 32.0); -} - - -HDXXVXTA::HDXXVXTA(int hPin, int tPin, float aref) : - m_aioHum(hPin), m_aioTemp(0) -{ - if (tPin >= 0) - m_hasTemp = true; - else - m_hasTemp = false; - - m_temperature = 0.0; - m_humidity = 0.0; - - if (m_hasTemp) - { - m_aioTemp = new mraa::Aio(tPin); - m_aResTemp = (1 << m_aioTemp->getBit()); - } - else - m_aResTemp = 0; - - m_aResHum = (1 << m_aioHum.getBit()); - m_aref = aref; - - // set the default temperature range to the A1 series (-40C-50C), - // regardless of whether temperature measuring is enabled - setRange(RANGE_MINUS40_50); -} - -HDXXVXTA::~HDXXVXTA() -{ - if (m_aioTemp) - delete m_aioTemp; -} - -void HDXXVXTA::update() -{ - // temperature - int val; - float volts; - - if (m_hasTemp) - { - val = m_aioTemp->read(); - volts = (float(val) * (m_aref / m_aResTemp)); - - switch (m_range) - { - case RANGE_MINUS40_50: - // valid range is 50 + abs(-40) = 90 - m_temperature = ((volts / m_aref) * 90.0) - 40.0; - break; - - case RANGE_0_50: - // valid range is 50 - m_temperature = ((volts / m_aref) * 50.0); - break; - - default: - // shouldn't happen, but... - throw std::out_of_range(std::string(__FUNCTION__) + - ": internal error, invalid range value"); - break; - } - } - - // humidity - val = m_aioHum.read(); - volts = (float(val) * (m_aref / m_aResHum)); - m_humidity = ((volts / m_aref) * 100.0); -} - -float HDXXVXTA::getTemperature(bool fahrenheit) -{ - if (fahrenheit) - return c2f(m_temperature); - else - return m_temperature; -} - -float HDXXVXTA::getHumidity() -{ - return m_humidity; -} - |