1 files changed, 0 insertions, 94 deletions
diff --git a/peripheral/libupm/src/mg811/mg811.cxx b/peripheral/libupm/src/mg811/mg811.cxx
deleted file mode 100644
index 622dd85..0000000
--- a/peripheral/libupm/src/mg811/mg811.cxx
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Author: Jon Trulson <jtrulson@ics.com>
- * Copyright (c) 2015 Intel Corporation.
- *
- * Thanks to public domain code by Martin Liddament for some useful clues!
- * http://www.veetech.org.uk/CO2_Monitor_Sketch_2_Operation.txt
- * and sandbox electronics (http://sandboxelectronics.com/?p=147).
- *
- * 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 <math.h>
-#include "mg811.h"
-
-using namespace std;
-using namespace upm;
-
-// voltage gain of the DC amplifier
-static const float dcGain = 8.5;
-
-MG811::MG811(int pin, int dpin, float aref) :
-  m_aio(pin), m_gpio(dpin)
-{
-  m_aRes = m_aio.getBit();
-  m_aref = aref;
-
-  m_gpio.dir(mraa::DIR_IN);
-
-  // these are just placeholder values (coarsely measured during
-  // development), you should determine the appropriate values (in
-  // volts) for your environment at the specified concentrations.  Use
-  // the getReferenceVoltage() method to get these values at 400ppm
-  // and 1000ppm respectively.  Good luck.
-  setCalibration(0.5514, 0.370);
-}
-
-MG811::~MG811()
-{
-}
-
-float MG811::volts()
-{
-  int val = m_aio.read();
-
-  return(float(val) * (m_aref / float(1 << m_aRes)));
-}
-
-void MG811::setCalibration(float ppm400, float ppm1000)
-{
-  m_zeroPointValue = ppm400;
-  m_reactionValue = ppm1000;
-}
-
-float MG811::getReferenceVoltage()
-{
-  return (volts() / dcGain);
-}
-
-float MG811::ppm()
-{
-  static const float log400 = log10f(400);
-  static const float log1000 = log10f(1000);
-
-  float val = volts();
-
-  if ((val / dcGain) >= m_zeroPointValue)
-    return 0.0;
-  else
-    return powf(10.0, ((val/dcGain)-m_zeroPointValue) / 
-                      (m_reactionValue / (log400-log1000))+log400);
-}
-
-bool MG811::thresholdReached()
-{
-  return (m_gpio.read() ? true : false);
-}