add_executable (lpd8806-example lpd8806-example.cxx)
add_executable (mlx90614-example mlx90614-example.cxx)
add_executable (ecs1030-example ecs1030-example.cxx)
+add_executable (mq9-example mq9-example.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
include_directories (${PROJECT_SOURCE_DIR}/src/lpd8806)
include_directories (${PROJECT_SOURCE_DIR}/src/mlx90614)
include_directories (${PROJECT_SOURCE_DIR}/src/ecs1030)
+include_directories (${PROJECT_SOURCE_DIR}/src/gas)
target_link_libraries (compass hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled grove ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (lpd8806-example lpd8806 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (mlx90614-example mlx90614 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (ecs1030-example ecs1030 ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (mq9-example gas ${CMAKE_THREAD_LIBS_INIT})
--- /dev/null
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.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 <unistd.h>
+#include <iostream>
+#include "mq9.h"
+#include <signal.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+int is_running = 0;
+uint16_t buffer [128];
+upm::MQ9 *sensor = NULL;
+
+void
+sig_handler(int signo)
+{
+ printf("got signal\n");
+ if (signo == SIGINT) {
+ is_running = 1;
+ }
+}
+
+//! [Interesting]
+int
+main(int argc, char **argv)
+{
+ sensor = new upm::MQ9(0);
+ signal(SIGINT, sig_handler);
+
+ thresholdContext ctx;
+ ctx.averageReading = 0;
+ ctx.runningAverage = 0;
+ ctx.averagedOver = 2;
+
+ while (!is_running) {
+ int len = sensor->getSampledWindow (2, 128, buffer);
+ if (len) {
+ int thresh = sensor->findThreshold (&ctx, 30, buffer, len);
+ sensor->printGraph(&ctx, 5);
+ if (thresh) {
+ // do something ....
+ }
+ }
+ }
+
+ std::cout << "exiting application" << std::endl;
+
+ delete sensor;
+
+ return 0;
+}
+//! [Interesting]
--- /dev/null
+set (libname "gas")
+set (libdescription "Gas sensors")
+set (module_src ${libname}.cxx mq9.cxx)
+set (module_h ${libname}.h mq9.h)
+upm_module_init()
--- /dev/null
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@intel.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 <unistd.h>
+#include <stdlib.h>
+#include <functional>
+#include <string.h>
+#include "gas.h"
+
+using namespace upm;
+
+Gas::Gas(int gasPin) {
+ // initialise analog gas input
+ m_gasCtx = mraa_aio_init(gasPin);
+}
+
+Gas::~Gas() {
+ // close analog input
+ mraa_result_t error;
+ error = mraa_aio_close(m_gasCtx);
+ if (error != MRAA_SUCCESS) {
+ mraa_result_print(error);
+ }
+}
+
+int
+Gas::getSampledWindow (unsigned int freqMS, unsigned int numberOfSamples,
+ uint16_t * buffer) {
+ int sampleIdx = 0;
+
+ // must have freq
+ if (!freqMS) {
+ return 0;
+ }
+
+ // too much samples
+ if (numberOfSamples > 0xFFFFFF) {
+ return 0;
+ }
+
+ while (sampleIdx < numberOfSamples) {
+ buffer[sampleIdx++] = mraa_aio_read (m_gasCtx);
+ usleep(freqMS * 1000);
+ }
+
+ return sampleIdx;
+}
+
+int
+Gas::findThreshold (thresholdContext* ctx, unsigned int threshold,
+ uint16_t * buffer, unsigned int len) {
+ long sum = 0;
+ for (unsigned int i = 0; i < len; i++) {
+ sum += buffer[i];
+ }
+
+ ctx->averageReading = sum / len;
+ ctx->runningAverage = (((ctx->averagedOver-1) * ctx->runningAverage) + ctx->averageReading) / ctx->averagedOver;
+
+ if (ctx->runningAverage > threshold) {
+ return ctx->runningAverage;
+ } else {
+ return 0;
+ }
+}
+
+int
+Gas::getSampledData (thresholdContext* ctx) {
+ return ctx->runningAverage;
+}
+
+int
+Gas::getSample (thresholdContext* ctx) {
+ return mraa_aio_read (m_gasCtx);
+}
+
+void
+Gas::printGraph (thresholdContext* ctx, uint8_t resolution) {
+ std::cout << "(" << ctx->runningAverage << ") | ";
+ for (int i = 0; i < ctx->runningAverage / resolution; i++)
+ std::cout << "*";
+ std::cout << std::endl;
+}
--- /dev/null
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@intel.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.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/gpio.h>
+#include <mraa/aio.h>
+
+struct thresholdContext {
+ long averageReading;
+ long runningAverage;
+ int averagedOver;
+};
+
+namespace upm {
+
+/**
+ * @brief C++ API for Gas sensors
+ *
+ * This file defines the Gas Analog sensors
+ */
+class Gas {
+ public:
+ /**
+ * Instanciates a Gas object
+ *
+ * @param gasPin pin where gas is connected
+ */
+ Gas(int gasPin);
+
+ /**
+ * Gas object destructor
+ */
+ ~Gas();
+
+ /**
+ * Get samples from gas sensor according to provided window and
+ * number of samples
+ *
+ * @param freqMS time between each sample (in microseconds)
+ * @param numberOfSamples number of sample to sample for this window
+ * @param buffer bufer with sampled data
+ */
+ virtual int getSampledWindow (unsigned int freqMS, unsigned int numberOfSamples, uint16_t * buffer);
+
+ /**
+ * Given sampled buffer this method will return TRUE/FALSE if threshold
+ * was reached
+ *
+ * @param ctx threshold context
+ * @param threshold sample threshold
+ * @param buffer buffer with samples
+ * @param len bufer len
+ */
+ virtual int findThreshold (thresholdContext* ctx, unsigned int threshold, uint16_t * buffer, unsigned int len);
+
+ /**
+ * Return avarage data for the sampled window
+ *
+ * @param ctx threshold context
+ */
+ virtual int getSampledData (thresholdContext* ctx);
+
+ /**
+ * Return one sample from the sensor
+ *
+ * @param ctx threshold context
+ */
+ virtual int getSample (thresholdContext* ctx);
+
+ /**
+ *
+ * Print running average of threshold context
+ *
+ * @param ctx threshold context
+ */
+ virtual void printGraph (thresholdContext* ctx, uint8_t resolution);
+
+ protected:
+ mraa_aio_context m_gasCtx;
+};
+
+}
--- /dev/null
+%module jsupm_gas
+%include "../upm.i"
+%include "../carrays_uint16_t.i"
+
+%{
+ #include "gas.h"
+%}
+
+%include "gas.h"
--- /dev/null
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@intel.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 "mq9.h"
+
+using namespace upm;
+
+MQ9::MQ9 (int gasPin) : Gas (gasPin) {
+}
+
+MQ9::~MQ9 () {
+}
--- /dev/null
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@intel.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.
+ */
+#pragma once
+
+#include <iostream>
+#include <string>
+#include "gas.h"
+
+namespace upm {
+ /**
+ * @brief C++ API for MQ9 gas sensor
+ *
+ * @snippet mq9-example.cxx Interesting
+ */
+ class MQ9 : public Gas {
+ public:
+ /**
+ * Jhd1313m1 constructor
+ *
+ * @param gasPin analog pin where sensor connected
+ */
+ MQ9 (int gasPin);
+
+ /**
+ * MQ9 destructor
+ */
+ ~MQ9 ();
+
+ /**
+ * Return name of the component
+ */
+ std::string name()
+ {
+ return m_name;
+ }
+ private:
+ std::string m_name;
+ };
+}
--- /dev/null
+%module pyupm_gas
+%include "../upm.i"
+%include "../carrays_uint16_t.i"
+
+%include "stdint.i"
+
+%feature("autodoc", "3");
+
+%include "gas.h"
+%{
+ #include "gas.h"
+%}