mma7361: Initial implementation

This driver implements support for the DFRobot MMA7361 analog
accelerometer.  It supports 3 axes with a selectable 1.5G and 6G
sensitivity. It is not really meant for navigation, but rather for
uses such as orientation and freefall detection.

Signed-off-by: Jon Trulson <jtrulson@ics.com>

examples/c++/CMakeLists.txt

@@ -275,6 +275,7 @@ add_example (l3gd20-i2c)
 add_example (bmx055)
 add_example (ms5611)
 add_example (vk2828u7)
+add_example (mma7361)
 
 # These are special cases where you specify example binary, source file and module(s)
 include_directories (${PROJECT_SOURCE_DIR}/src)

examples/c++/mma7361.cxx

@@ -0,0 +1,94 @@
+/*
+ * 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 <unistd.h>
+#include <signal.h>
+#include <iostream>
+
+#include "mma7361.hpp"
+
+using namespace std;
+
+bool shouldRun = true;
+
+void sig_handler(int signo)
+{
+  if (signo == SIGINT)
+    shouldRun = false;
+}
+
+int main()
+{
+  signal(SIGINT, sig_handler);
+
+//! [Interesting]
+
+  // Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
+  // (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
+  // value of 5.0.  The freefall pin and the range pin are unused
+  // (-1).
+  upm::MMA7361 *sensor = new upm::MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0);
+
+  // 1.5g (true = 6g)
+  sensor->setRange(false);
+
+  // Every 10th of a second, update and print values
+
+  while (shouldRun)
+    {
+      sensor->update();
+
+      float x, y, z;
+
+      sensor->getAcceleration(&x, &y, &z);
+      cout << "Acceleration x = "
+           << x
+           << " y = "
+           << y
+           << "z = "
+           << z
+           << endl;
+
+      sensor->getVolts(&x, &y, &z);
+      cout << "Volts x = "
+           << x
+           << " y = "
+           << y
+           << "z = "
+           << z
+           << endl;
+
+      cout << endl;
+
+      usleep(100000);
+    }
+
+//! [Interesting]
+
+  printf("Exiting...\n");
+
+  delete sensor;
+
+  return 0;
+}

examples/c/CMakeLists.txt

@@ -88,3 +88,4 @@ link_directories (${MRAA_LIBDIR})
 #  grove* will use module grove
 add_example (dfrph)
 add_example (vk2828u7)
+add_example (mma7361)

examples/c/mma7361.c

@@ -0,0 +1,85 @@
+/*
+ * 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 <unistd.h>
+#include <signal.h>
+
+#include "mma7361.h"
+
+bool shouldRun = true;
+
+void sig_handler(int signo)
+{
+  if (signo == SIGINT)
+    shouldRun = false;
+}
+
+int main()
+{
+  signal(SIGINT, sig_handler);
+
+//! [Interesting]
+
+  // Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
+  // (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
+  // value of 5.0.  The freefall pin and the range pin are unused
+  // (-1).
+  mma7361_context sensor = mma7361_init(0, 1, 2, 2, 3, -1, -1, 5.0);
+
+  if (!sensor)
+    {
+      printf("mma7361_init() failed.\n");
+      return(1);
+    }
+
+  // 1.5g (true = 6g)
+  mma7361_set_range(sensor, false);
+
+  // Every 10th of a second, update and print values
+
+  while (shouldRun)
+    {
+      mma7361_update(sensor);
+
+      float x, y, z;
+
+      mma7361_get_acceleration(sensor, &x, &y, &z);
+      printf("Acceleration x = %f y = %f z = %f\n",
+             x, y, z);
+
+      mma7361_get_volts(sensor, &x, &y, &z);
+      printf("Volts x = %f y = %f z = %f\n\n",
+             x, y, z);
+
+      usleep(100000);
+    }
+
+//! [Interesting]
+
+  printf("Exiting...\n");
+
+  mma7361_close(sensor);
+
+  return 0;
+}

examples/java/CMakeLists.txt

@@ -132,6 +132,7 @@ add_example(BMP280_Example bmp280)
 add_example(BNO055_Example bno055)
 add_example(BMX055_Example bmx055)
 add_example(VK2828U7_Example vk2828u7)
+add_example(MMA7361_Example mma7361)
 
 add_example_with_path(Jhd1313m1_lcdSample lcd i2clcd)
 add_example_with_path(Jhd1313m1Sample lcd i2clcd)

examples/java/MMA7361_Example.java

@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+import upm_mma7361.MMA7361;
+
+public class MMA7361_Example
+{
+    public static void main(String[] args) throws InterruptedException
+    {
+// ! [Interesting]
+
+        // Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y)
+        // A2 (Z), selftest pin on D2, sleep pin on D3 nd an analog
+        // reference value of 5.0.  The freefall pin and the range pin
+        // are unused (-1).
+        MMA7361 sensor = new MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0f);
+
+        // 1.5g (true = 6g)
+        sensor.setRange(false);
+
+        // Every 10th of a second, update and print values
+        while (true)
+            {
+                // update our values from the sensor
+                sensor.update();
+
+                float dataA[] = sensor.getAcceleration();
+
+                System.out.println("Accelerometer x: " + dataA[0]
+                                   + " y: " + dataA[1]
+                                   + " z: " + dataA[2]);
+
+                float dataV[] = sensor.getVolts();
+
+                System.out.println("Volts x: " + dataV[0]
+                                   + " y: " + dataV[1]
+                                   + " z: " + dataV[2]);
+
+                System.out.println();
+                Thread.sleep(100);
+            }
+
+// ! [Interesting]
+    }
+}

examples/javascript/mma7361.js

@@ -0,0 +1,73 @@
+/*jslint node:true, vars:true, bitwise:true, unparam:true */
+/*jshint unused:true */
+
+/*
+ * 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.
+ */
+
+var sensorObj = require('jsupm_mma7361');
+
+// Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
+// (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
+// value of 5.0.  The freefall pin and the range pin are unused
+// (-1).
+var sensor = new sensorObj.MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0);
+
+var x = new sensorObj.new_floatp();
+var y = new sensorObj.new_floatp();
+var z = new sensorObj.new_floatp();
+
+// 1.5g (true = 6g)
+sensor.setRange(false);
+
+// Every 10th of a second, update and print values
+setInterval(function()
+{
+    // update our values from the sensor
+    sensor.update();
+
+    sensor.getAcceleration(x, y, z);
+    console.log("Accelerometer x: "
+                + sensorObj.floatp_value(x)
+                + " y: " + sensorObj.floatp_value(y)
+                + " z: " + sensorObj.floatp_value(z));
+
+    sensor.getVolts(x, y, z);
+    console.log("Volts x: "
+                + sensorObj.floatp_value(x)
+                + " y: " + sensorObj.floatp_value(y)
+                + " z: " + sensorObj.floatp_value(z));
+
+    console.log();
+
+}, 100);
+
+// exit on ^C
+process.on('SIGINT', function()
+{
+    sensor = null;
+    sensorObj.cleanUp();
+    sensorObj = null;
+    console.log("Exiting.");
+    process.exit(0);
+});

examples/python/mma7361.py

@@ -0,0 +1,69 @@
+#!/usr/bin/python
+# 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.
+
+import time, sys, signal, atexit
+import pyupm_mma7361 as sensorObj
+
+# Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
+# (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
+# value of 5.0.  The freefall pin and the range pin are unused
+# (-1).
+sensor = sensorObj.MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0)
+
+# 1.5g (true = 6g)
+sensor.setRange(False)
+
+## Exit handlers ##
+# This function stops python from printing a stacktrace when you hit control-C
+def SIGINTHandler(signum, frame):
+	raise SystemExit
+
+# This function lets you run code on exit
+def exitHandler():
+	print "Exiting"
+	sys.exit(0)
+
+# Register exit handlers
+atexit.register(exitHandler)
+signal.signal(signal.SIGINT, SIGINTHandler)
+
+x = sensorObj.new_floatp()
+y = sensorObj.new_floatp()
+z = sensorObj.new_floatp()
+
+# Every 10th of a second, update and print values
+while (1):
+        sensor.update()
+
+        sensor.getAcceleration(x, y, z)
+        print "Accelerometer x:", sensorObj.floatp_value(x),
+        print " y:", sensorObj.floatp_value(y),
+        print " z:", sensorObj.floatp_value(z)
+
+        sensor.getVolts(x, y, z)
+        print "Volts x:", sensorObj.floatp_value(x),
+        print " y:", sensorObj.floatp_value(y),
+        print " z:", sensorObj.floatp_value(z)
+
+        print
+	time.sleep(.100)