S14: Android based home monitoring system - Revision history

Preet: /* Project Source Code */

2014-08-06T23:45:09Z

‎Project Source Code

2014-05-23T00:07:46Z

‎Software Design

2014-05-23T00:07:19Z

‎Implementation

2014-05-23T00:06:53Z

‎Implementation

2014-05-23T00:06:35Z

‎Software Design

2014-05-23T00:05:11Z

‎Hardware Interface

2014-05-23T00:04:39Z

‎Hardware Interface

2014-05-23T00:03:30Z

‎Hardware Interface

2014-05-23T00:02:54Z

‎Implementation

2014-05-22T23:53:11Z

‎3. Team Members

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 === Project Source Code ===
-Send me your zipped source code and I will upload this to SourceForge and link it for you.
+*  [https://sourceforge.net/projects/sjsu/files/CmpE244_SJSU_S2014/ Sourceforge source code link]
 == References ==

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 Every board gathers temperature and Luminosity samples at fixed intervals. The interval is configurable and default is set at 5sec. Initially, our first choice was to use a FIFO for storing these readings. But then, it became very difficult to discard older entries. Although we planned to have a timeout mechanism associated with every entry, later we figured out that a FIFO implementation based on a circular buffer would be easier to implement and maintain.
 Here is a graphical representation of our FIFO based on a circular buffer.
-[[File:CmpE244 S14 AHMS Circular-Buffer.jpg|290px|thumb|left|Fig 11. Circular buffer]]
+[[File:CmpE244 S14 AHMS Circular-Buffer.jpg|290px|thumb|left|Fig 9. Circular buffer]]

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 Next step is to establish communication with the LPC1758 using Bluetooth Chat sample application. Bluetooth sample is not a functioning application; this tutorial (http://www.instructables.com/id/Android-talks-to-Arduino/?ALLSTEPS) provided the solution to the problem. It said to change the UUID in BluetoothChatService.java file to “00001101-0000-1000-8000-00805F9B34FB”
-[[File:CmpE244 S14 AHMS Send character code.jpg|500px|thumb|center|Fig 9. Setupchat]]
+[[File:CmpE244 S14 AHMS Send character code.jpg|500px|thumb|center|Fig 11. Setupchat]]
 Once the change is made this application is able to communicate with LPC1758. In this project android application is composed of three activities: BluetoothChat.java, Avtivity_main.java and SampleXYPlotActivity.java.

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 The sample code is downloaded using the Android SDK Manager. From the navigation menu of the IDE go to Windows -> Android SDK Manager. All the installed and available SDK packages are listed; attention should be paid to the version of SDK platform. It should be the same as the Android version of your device.  This project is developed using Android 4.2.2.(kitkat), API level 19. After this sample code can be found in the folder sdk->samples->android-19->legacy on the host machine. Import the Bluetooth Chat sample in to the project workspace.
-[[File:CmpE244 S14 AHMS BluetoothChatService modification.jpg|500px|thumb|right|Fig 8. BluetoothChatService]]
+[[File:CmpE244 S14 AHMS BluetoothChatService modification.jpg|500px|thumb|right|Fig 12. BluetoothChatService]]
 Next step is to establish communication with the LPC1758 using Bluetooth Chat sample application. Bluetooth sample is not a functioning application; this tutorial (http://www.instructables.com/id/Android-talks-to-Arduino/?ALLSTEPS) provided the solution to the problem. It said to change the UUID in BluetoothChatService.java file to “00001101-0000-1000-8000-00805F9B34FB”

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 :Our graphics are primarily based on the library “androidplot” downloadable from (www.androidplot.com)
 :AndroidPlot is a very powerful package to plot graphs. The input for graphing method are two arrays of type Number. 	To plot an XY graph, these numbers are converted to XY-Series data type and use a LineandPointFormatter class. Once X-axis plane is fully plotted, another series will be used to plot Y- axis plane.
-[[File:CmpE244 S14 AHMS XYplotcode.jpg|400px|thumb|center|Fig 12. XYplotcode]]
+[[File:CmpE244 S14 AHMS XYplotcode.jpg|400px|thumb|center|Fig 8. XYplotcode]]
 '''FreeRTOS Application configuration'''

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 This project uses UART2 for communication.The default setting for UART is: Baud Rate - 9600, no parity, one start bit and one stop bit.
-[[File:CmpE244_S14_AHMS_HW_Interface.jpg|200px|thumb|left|Fig 2. Hardware Interface]]
+[[File:CmpE244_S14_AHMS_HW_Interface.jpg|400px|thumb|center|Fig 2. Hardware Interface]]
 === Software Design ===

← Older revision		Revision as of 00:03, 23 May 2014
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−	[[File:CmpE244_S14_AHMS_HW_Interface.jpg\|Fig 1. Hardware Interface]]	+	[[File:CmpE244_S14_AHMS_HW_Interface.jpg\|Fig 2. Hardware Interface]]

	=== Software Design ===		=== Software Design ===

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 *Develop start screen
-Start app development by changing the main.xml file to add buttons as seen in the layout in (fig.6) , add the corresponding stings in the string.xml file. This project uses the buttons to send a particular character when clicked. To do this change the BluetoothChat.java file as shown in setupChat() (fig.9) function.
+Start app development by changing the main.xml file to add buttons as seen in the layout in (fig.6) , add the corresponding stings in the string.xml file. This project uses the buttons to send a particular character when clicked. Modify the DeviceListActivity.java as follows to connect to the intended device automatically.
 == Testing & Technical Challenges ==

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 #  Android application to view status of sensors
-== 3. Team Members ==
+== Team Members ==
 #  Om Narasimhan
 #*   FreeRTOS application design-protocol implementation