Added iGas interface

Signed-off-by: Serban Waltter <serban.waltter@rinftech.com>

examples/java/CMakeLists.txt

@@ -92,7 +92,7 @@ add_example(Button_intr_Example "button;interfaces")
 add_example(Buzzer_Example buzzer)
 add_example(CJQ4435_Example cjq4435)
 add_example(Collision_Example "collision;interfaces")
-add_example(CWLSXXA_Example cwlsxxa)
+add_example(CWLSXXA_Example "cwlsxxa;interfaces")
 add_example(DFREC_Example "dfrec;interfaces")
 add_example(DFRORP_Example "dfrorp;interfaces")
 add_example(DS1307_Example ds1307)
@@ -116,9 +116,9 @@ add_example(GroveLight_Example "grove;interfaces")
 add_example(GroveLineFinder_Example "grovelinefinder;interfaces")
 add_example(GroveMD_Example grovemd)
 add_example(GroveMoisture_Example "grovemoisture;interfaces")
-add_example(GroveMQ3_Example gas)
+add_example(GroveMQ3_Example "gas;interfaces")
-add_example(GroveMQ9_Example gas)
+add_example(GroveMQ9_Example "gas;interfaces")
-add_example(GroveO2_Example groveo2)
+add_example(GroveO2_Example "groveo2;interfaces")
 add_example(GroveQTouch_Example at42qt1070)
 add_example(GroveRelay_Example grove)
 add_example(GroveRotary_Example "grove;interfaces")
@@ -169,7 +169,7 @@ add_example(MB704X_Example "mb704x;interfaces")
 add_example(MCP2515_Example mcp2515)
 add_example(MCP2515_TXRX_Example mcp2515)
 add_example(MD_Example md)
-add_example(MHZ16_Example mhz16)
+add_example(MHZ16_Example "mhz16;interfaces")
 add_example(Microphone_Example mic)
 add_example(MMA7361_Example mma7361)
 add_example(MMA7455_Example "mma7455;interfaces")
@@ -178,16 +178,16 @@ add_example(Moisture_Example "moisture;interfaces")
 add_example(MPL3115A2_Example "mpl3115a2;interfaces")
 add_example(MPR121_Example mpr121)
 add_example(MPU9150_Example "mpu9150;interfaces")
-add_example(MQ2_Example gas)
+add_example(MQ2_Example "gas;interfaces")
 add_example(MQ303A_Example mq303a)
-add_example(MQ5_Example gas)
+add_example(MQ5_Example "gas;interfaces")
 add_example(MS5803_Example "ms5803;interfaces")
 add_example(NMEAGPS_Example nmea_gps)
 add_example(NMEAGPS_I2C_Example nmea_gps)
 add_example(NRF24L01_receiver_Example nrf24l01)
 add_example(NRF24L01_transmitter_Example nrf24l01)
 add_example(NUNCHUCK_Example nunchuck)
-add_example(O2_Example o2)
+add_example(O2_Example "o2;interfaces")
 add_example(OTP538U_Example "otp538u;interfaces")
 add_example(P9813_Example p9813)
 add_example(PPD42NS_Example ppd42ns)
@@ -216,7 +216,7 @@ add_example(Temperature_Example "temperature;interfaces")
 add_example(TEX00_Example "tex00;interfaces")
 add_example(Th02_Example "th02;interfaces")
 add_example(TM1637_Example tm1637)
-add_example(TP401_Example gas)
+add_example(TP401_Example "gas;interfaces")
 add_example(TSL2561_Example "tsl2561;interfaces")
 add_example(TTP223_Example "ttp223;interfaces")
 add_example(ULN200XA_Example uln200xa)

include/interfaces/CMakeLists.txt

@@ -18,6 +18,7 @@ set (module_hpp iClock.hpp
                 iHallEffect.hpp
                 iHeartRate.hpp
                 iHumidity.hpp
+                iGas.hpp
                 iGyroscope.hpp
                 iLight.hpp
                 iLineFinder.hpp

include/interfaces/iGas.hpp

@@ -0,0 +1,46 @@
+/*
+ * Author: Serban Waltter <serban.waltter@rinftech.com>
+ * Copyright (c) 2018 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.
+ */
+
+#pragma once
+
+#include <vector>
+
+namespace upm
+{
+    /**
+     * @brief Interface for acceleration sensors
+     */
+    class iGas
+    {
+        public:
+            virtual ~iGas() {}
+
+            /**
+             * Return gas concentration in PPM
+             *
+             * @return gas concentration in float
+             */
+            virtual float getConcentration() = 0;
+    };
+} // upm

include/interfaces/interfaces.cxx

@@ -8,6 +8,7 @@
 #include "iEC.hpp"
 #include "iElectromagnet.hpp"
 #include "iEmg.hpp"
+#include "iGas.hpp"
 #include "iGps.hpp"
 #include "iGyroscope.hpp"
 #include "iHallEffect.hpp"

include/interfaces/interfaces.i

@@ -49,6 +49,7 @@ import java.lang.Float;
     %interface_impl (upm::iEC);
     %interface_impl (upm::iElectromagnet);
     %interface_impl (upm::iEmg);
+    %interface_impl (upm::iGas);
     %interface_impl (upm::iGps);
     %interface_impl (upm::iGyroscope);
     %interface_impl (upm::iHallEffect);
@@ -79,6 +80,7 @@ import java.lang.Float;
     #include "iEC.hpp"
     #include "iElectromagnet.hpp"
     #include "iEmg.hpp"
+    #include "iGas.hpp"
     #include "iGps.hpp"
     #include "iGyroscope.hpp"
     #include "iHallEffect.hpp"
@@ -108,6 +110,7 @@ import java.lang.Float;
 %include "iEC.hpp"
 %include "iElectromagnet.hpp"
 %include "iEmg.hpp"
+%include "iGas.hpp"
 %include "iGps.hpp"
 %include "iGyroscope.hpp"
 %include "iHallEffect.hpp"

src/cwlsxxa/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "cwlsxxa")
 set (libdescription "Veris CWLSXXA CO2/Temperature/Humidity Transmitter")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp iHumidity.hpp iTemperature.hpp)
 upm_module_init(mraa)

src/cwlsxxa/cwlsxxa.cxx

@@ -160,8 +160,15 @@ float CWLSXXA::getTemperature(bool fahrenheit)
     return m_temperature;
 }
 
+float CWLSXXA::getTemperature()
+{
+  update();
+  return m_temperature;
+}
+
 float CWLSXXA::getHumidity()
 {
+  update();
   return m_humidity;
 }
 
@@ -170,6 +177,12 @@ float CWLSXXA::getCO2()
   return m_co2;
 }
 
+float CWLSXXA::getConcentration()
+{
+  update();
+  return m_co2;
+}
+
 int CWLSXXA::average(mraa::Aio *aio, int samples)
 {
   if (samples <= 0)

src/cwlsxxa/cwlsxxa.hpp

@@ -26,6 +26,10 @@
 #include <string>
 #include <iostream>
 
+#include <interfaces/iGas.hpp>
+#include <interfaces/iHumidity.hpp>
+#include <interfaces/iTemperature.hpp>
+
 #include <mraa/aio.hpp>
 
 // Unlikey to be changable without external circuitry (voltage divider)
@@ -85,7 +89,7 @@ namespace upm {
      * @snippet cwlsxxa.cxx Interesting
      */
 
-  class CWLSXXA {
+  class CWLSXXA: virtual public iGas, virtual public iHumidity, virtual public iTemperature {
   public:
 
     /**
@@ -134,7 +138,8 @@ namespace upm {
      * The default is false (degrees Celsius).
      * @return The last temperature reading in Celsius or Fahrenheit
      */
-    float getTemperature(bool fahrenheit=false);
+    float getTemperature(bool fahrenheit);
+    float getTemperature();
 
     /**
      * Get the current relative humidity.  update() must have been called
@@ -154,6 +159,14 @@ namespace upm {
      */
     float getCO2();
 
+    /**
+     * Get the current CO2 concentration in Parts Per Million (PPM).
+     * update() must have been called prior to calling this method.
+     *
+     * @return The last CO2 reading
+     */
+    float getConcentration();
+
 
   protected:
     // CO2 reporting is always supported

src/cwlsxxa/cwlsxxa.i

@@ -1,7 +1,17 @@
+#ifdef SWIGPYTHON
+%module (package="upm") cwlsxxa
+#endif
+
+%import "interfaces/interfaces.i"
+
 %include "../common_top.i"
 
 /* BEGIN Java syntax  ------------------------------------------------------- */
 #ifdef SWIGJAVA
+%typemap(javaimports) SWIGTYPE %{
+import upm_interfaces.*;
+%}
+
 JAVA_JNI_LOADLIBRARY(javaupm_cwlsxxa)
 #endif
 /* END Java syntax */

src/gas/CMakeLists.txt

@@ -4,5 +4,6 @@ upm_mixed_module_init (NAME gas
     C_SRC mqx.c
     CPP_HDR gas.hpp mq2.hpp mq3.hpp mq4.hpp mq5.hpp mq6.hpp mq7.hpp mq8.hpp mq9.hpp tp401.hpp
     CPP_SRC gas.cxx mq2.cxx mq3.cxx mq4.cxx mq5.cxx mq6.cxx mq7.cxx mq8.cxx mq9.cxx tp401.cxx
+    IFACE_HDR iGas.hpp
     FTI_SRC mqx_fti.c
     REQUIRES mraa)

src/gas/gas.cxx

@@ -89,6 +89,11 @@ Gas::getSample () {
     return m_aio.read();
 }
 
+float
+Gas::getConcentration() {
+    return m_aio.read();
+}
+
 void
 Gas::printGraph (thresholdContext* ctx, uint8_t resolution) {
     std::cout << "(" << ctx->runningAverage << ") | ";

src/gas/gas.hpp

@@ -25,6 +25,7 @@
 
 #include <string>
 #include <mraa/aio.hpp>
+#include <interfaces/iGas.hpp>
 
 struct thresholdContext {
     long averageReading;
@@ -42,7 +43,7 @@ namespace upm {
  * @defgroup gas libupm-gas
  * @ingroup seeed analog gaseous eak hak
  */
-class Gas {
+class Gas: virtual public iGas {
     public:
         /**
          * Instantiates a Gas object
@@ -89,6 +90,11 @@ class Gas {
          */
         virtual int getSample ();
 
+        /**
+         * Returns one sample from the sensor
+         */
+        virtual float getConcentration ();
+
         /**
          *
          * Prints a running average of the threshold context

src/gas/gas.i

@@ -1,7 +1,17 @@
+#ifdef SWIGPYTHON
+%module (package="upm") cwlsxxa
+#endif
+
+%import "interfaces/interfaces.i"
+
 %include "../common_top.i"
 
 /* BEGIN Java syntax  ------------------------------------------------------- */
 #ifdef SWIGJAVA
+%typemap(javaimports) SWIGTYPE %{
+import upm_interfaces.*;
+%}
+
 %typemap(jni) (uint16_t *buffer, int len) "jshortArray";
 %typemap(jtype) (uint16_t *buffer, int len) "short[]";
 %typemap(jstype) (uint16_t *buffer, int len) "short[]";

src/groveo2/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "groveo2")
 set (libdescription "Oxygen (O2) Concentration Sensor")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp)
 upm_module_init(mraa)

src/groveo2/groveo2.cxx

@@ -54,3 +54,23 @@ float GroveO2::voltageValue()
 	sensorVoltage = (sensorVoltage/201.0) * 10000.0;
 	return sensorVoltage;
 }
+
+float GroveO2::getConcentration()
+{
+  float value;
+  /* Read normalized value */
+    value = mraa_aio_read_float(m_aio);
+    if (value < 0.0)
+        return -1;
+
+    /* Convert to %oxygen
+       Datasheet for grove o2 shows a linear response for the sensor.  Assuming
+       20.5% oxygen @ 25 celsius, with an gain = 1 + 12k/100 = 121, a
+       dynamic range of 0->25% oxygen, and opamp rails of 0->3.3v (the grove o2
+       sensor uses a high-accuracy 3.3v regulator),
+     */
+    value *= 25 * 5 / 3.3;
+
+  return value;
+}
+

src/groveo2/groveo2.hpp

@@ -25,6 +25,7 @@
 
 #include <string>
 #include <mraa/aio.h>
+#include <interfaces/iGas.hpp>
 
 namespace upm {
   /**
@@ -50,7 +51,7 @@ namespace upm {
    * @image html groveo2.jpg
    * @snippet groveo2.cxx Interesting
    */
-  class GroveO2 {
+  class GroveO2: virtual public iGas {
   public:
     /**
      * Grove O2 Oxygen Gas sensor constructor
@@ -69,6 +70,13 @@ namespace upm {
      */
     float voltageValue();
 
+    /**
+     * Measures O2 from the sensor
+     *
+     * @return Oxygen concentration as PPM
+     */
+    float getConcentration();
+
   private:
     mraa_aio_context m_aio;
   };

src/mg811/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "mg811")
 set (libdescription "CO2 Sensor")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp)
 upm_module_init(mraa)

src/mg811/mg811.cxx

@@ -88,6 +88,20 @@ float MG811::ppm()
                       (m_reactionValue / (log400-log1000))+log400);
 }
 
+float MG811::getConcentration()
+{
+  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);

src/mg811/mg811.hpp

@@ -28,6 +28,8 @@
 #include <mraa/aio.hpp>
 #include <mraa/gpio.hpp>
 
+#include <interfaces/iGas.hpp>
+
 namespace upm {
   /**
    * @brief MG811 CO2 Sensor
@@ -68,7 +70,7 @@ namespace upm {
    * @snippet mg811.cxx Interesting
    */
 
-  class MG811 {
+  class MG811: virtual public iGas {
   public:
 
     /**
@@ -83,7 +85,7 @@ namespace upm {
     /**
      * MG811 destructor
      */
-    ~MG811();
+    virtual ~MG811();
 
     /**
      * Return a cumputed reference voltage to be used in calibration.
@@ -118,6 +120,7 @@ namespace upm {
      * @return The computed CO2 concentration in ppm
      */
     float ppm();
+    float getConcentration();
 
     /**
      * Read the digital pin and return true if the set threshold has

src/mhz16/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "mhz16")
 set (libdescription "CO2 Sensor")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp)
 upm_module_init(mraa)

src/mhz16/mhz16.cxx

@@ -244,8 +244,15 @@ int MHZ16::getGas()
   return gas;
 }
 
-int MHZ16::getTemperature()
+float MHZ16::getConcentration()
 {
+  getData();
+  return gas;
+}
+
+float MHZ16::getTemperature()
+{
+  getData();
   return temp;
 }
 

src/mhz16/mhz16.hpp

@@ -38,6 +38,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include <interfaces/iTemperature.hpp>
+#include <interfaces/iGas.hpp>
+
 #include <mraa/uart.h>
 
 namespace upm {
@@ -67,7 +70,7 @@ namespace upm {
      * @image html mhz16.jpg
      * @snippet mhz16.cxx Interesting
      */
-  class MHZ16 {
+  class MHZ16: virtual public iGas, virtual public iTemperature {
   public:
 
 
@@ -151,13 +154,14 @@ namespace upm {
      * @return Gas concentration
      */
     int getGas();
+    float getConcentration();
 
     /**
      * Returns the temperature data.
      *
      * @return Temperature in Celsius
      */
-    int getTemperature();
+    float getTemperature();
 
     /**
      * Sets the zero point of the sensor

src/mhz16/mhz16.i

@@ -1,7 +1,17 @@
+#ifdef SWIGPYTHON
+%module (package="upm") cwlsxxa
+#endif
+
+%import "interfaces/interfaces.i"
+
 %include "../common_top.i"
 
 /* BEGIN Java syntax  ------------------------------------------------------- */
 #ifdef SWIGJAVA
+%typemap(javaimports) SWIGTYPE %{
+import upm_interfaces.*;
+%}
+
 %include "arrays_java.i";
 %include "../java_buffer.i"
 

src/micsv89/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "micsv89")
 set (libdescription "Low-power Air Quality Sensor")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp)
 upm_module_init(mraa)

src/micsv89/micsv89.cxx

@@ -66,6 +66,11 @@ float MICSV89::co2equ() {
     return ((rx_buf[0] - 13) * (1600/229) + 400);
 }
 
+float MICSV89::getConcentration() {
+    update();
+    return ((rx_buf[0] - 13) * (1600/229) + 400);
+}
+
 int MICSV89::vocshort() {
     return rx_buf[1];
 }

src/micsv89/micsv89.hpp

@@ -27,6 +27,8 @@
 #include <iostream>
 #include <string>
 
+#include <interfaces/iGas.hpp>
+
 namespace mraa { class I2c;}
 
 namespace upm {
@@ -59,7 +61,7 @@ namespace upm {
    * @image html micsv89.jpg
    * @snippet micsv89.cxx Interesting
    */
-    class MICSV89 {
+    class MICSV89: virtual public iGas {
         public:
             /**
              * MICSV89 constructor
@@ -87,6 +89,11 @@ namespace upm {
              */
             float co2equ();
 
+            /**
+             * Returns the  CO2 equivalent value.
+             */
+            float getConcentration();
+
             /**
              * Returns VOC Short value.
              */

src/o2/CMakeLists.txt

@@ -5,4 +5,5 @@ upm_mixed_module_init (NAME o2
     CPP_HDR o2.hpp
     CPP_SRC o2.cxx
     FTI_SRC o2_fti.c
+    IFACE_HDR iGas.hpp
     REQUIRES mraa)

src/o2/o2.cxx

@@ -54,3 +54,22 @@ float O2::voltageValue()
 	sensorVoltage = (sensorVoltage/201.0) * 10000.0;
 	return sensorVoltage;
 }
+
+float O2::getConcentration()
+{
+  float value;
+  /* Read normalized value */
+    value = mraa_aio_read_float(m_aio);
+    if (value < 0.0)
+        return -1;
+
+    /* Convert to %oxygen
+       Datasheet for grove o2 shows a linear response for the sensor.  Assuming
+       20.5% oxygen @ 25 celsius, with an gain = 1 + 12k/100 = 121, a
+       dynamic range of 0->25% oxygen, and opamp rails of 0->3.3v (the grove o2
+       sensor uses a high-accuracy 3.3v regulator),
+     */
+    value *= 25 * 5 / 3.3;
+
+  return value;
+}

src/o2/o2.hpp

@@ -26,6 +26,8 @@
 #include <string>
 #include <mraa/aio.h>
 
+#include <interfaces/iGas.hpp>
+
 namespace upm {
   /**
    * @brief Oxygen Gas Sensor
@@ -50,7 +52,7 @@ namespace upm {
    * @image html o2.jpg
    * @snippet o2.cxx Interesting
    */
-  class O2 {
+  class O2: virtual public iGas {
   public:
     /**
      * Grove O2 Oxygen Gas sensor constructor
@@ -69,6 +71,13 @@ namespace upm {
      */
     float voltageValue();
 
+    /**
+     * Measures O2 from the sensor
+     *
+     * @return Oxygen concentration as PPM
+     */
+    float getConcentration();
+
   private:
     mraa_aio_context m_aio;
   };

src/t6713/CMakeLists.txt

@@ -2,4 +2,5 @@ set (libname "t6713")
 set (libdescription "I2C/UART High Accuracy CO2 Sensor")
 set (module_src ${libname}.cxx)
 set (module_hpp ${libname}.hpp)
+set (module_iface iGas.hpp)
 upm_module_init(mraa)

src/t6713/t6713.cxx

@@ -69,6 +69,11 @@ uint16_t T6713::getPpm ()
     return(getSensorData(T6713_COMMAND_GET_GAS_PPM));
 }
 
+float T6713::getConcentration ()
+{
+    return(getSensorData(T6713_COMMAND_GET_GAS_PPM));
+}
+
 uint16_t T6713::getSensorData (MODBUS_COMMANDS cmd)
 {
     uint16_t data ,readBytes ;

src/t6713/t6713.hpp

@@ -25,6 +25,8 @@
 
 #include "mraa/i2c.hpp"
 
+#include <interfaces/iGas.hpp>
+
 namespace upm {
 /**
  * @brief Amphenol Telaire 6713 Series CO2 Module
@@ -105,7 +107,7 @@ namespace t6713_co2
     }FUNCTION_CODES;
 }//namespace t6713_co2
 
-class T6713 {
+class T6713: virtual public iGas {
     public:
         /**
         * Instantiates a T6713 object
@@ -128,6 +130,12 @@ class T6713 {
         * Get relative humidity measurement.
         */
         uint16_t getPpm ();
+
+        /**
+        * Get relative humidity measurement.
+        */
+        float getConcentration ();
+
         /**
         * Get the firmware version
         */

src/t6713/t6713.i

@@ -1,3 +1,9 @@
+#ifdef SWIGPYTHON
+%module (package="upm") cwlsxxa
+#endif
+
+%import "interfaces/interfaces.i"
+
 %include "../common_top.i"
 
 /* BEGIN Java syntax  ------------------------------------------------------- */
@@ -5,6 +11,11 @@
 %include "arrays_java.i";
 %include "../java_buffer.i"
 
+%typemap(javaimports) SWIGTYPE %{
+import upm_interfaces.*;
+%}
+
+
 JAVA_JNI_LOADLIBRARY(javaupm_t6713)
 #endif
 /* END Java syntax */