Phytec Cosmic-AM335 Series User manual
www.phytec.in 1 Revision no. 2.0
Cosmic-AM335x
QT Development Manual
SOM Product No: PCM-051
Carrier Board Product No: POB-002
Release 2.0
September,2013
www.phytec.in 2 Revision no. 2.0
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© Copyright 2013 PHYTEC Embedded Pvt. Ltd, Koramangala Bangalore.
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Ltd.
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Main, Opp.Police Station
Koramangala, 8thblock,
Bangalore -560095
India
PHYTEC Technologie
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GERMANY
PHYTEC America LLC
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Suite G100 Bainbridge
Island, WA 98110
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Information:
+91-80-40867046
+49 (800) 0749832
1 (800) 278-9913
Web Site:
http://www.phytec.in
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Table of Contents
QTApplication Development for Cosmic-AM335x .......................................................... 4
1. Application development using Qt Creator.................................................................. 4
1.1. Qt Creator Installaion........................................................................................4
2.QT Creator Configuration for Cosmic-AM335x ............................................................ 5
2.1.Configuring QT Creator for Cross Compilation......................................................5
2.2.Target Setup....................................................................................................13
2.2.1.Toolchain Installation..................................................................................13
2.2.2.Downloading the Toolchain………………………………………………………….13
2.2.3.Export the Toolchain to Shell Path………………………………………………….13
2.3.Building qmake using ptxdist.............................................................................14
2.3.1Download the PTX-dist packet from the following link……………………………14
2.3.2.Download the PTX-dist BSP source from following link…………………………14
2.4.Setting Serial Console (Minicom).......................................................................15
2.5.Set the ip for Cosmic-AM335x...........................................................................17
3. Application development.........................................................................................18
3.1.Simple Demo Application…………………………………………………………………18
3.2.Uart Read Application.......................................................................................23
www.phytec.in 4 Revision no. 2.0
QT Application Development for Cosmic-AM335x
In this Manual we are going to describe how to use this Qt application for development.
Our first chapter is dealing with the installation of Qt Creator and in second chapter we will explain
how to configure QT creator for cross compilation. In our third chapter we will describe how to
write an application(demo) using Qt Creator and also a UART application .After going through this
manual you will not only familiar with Cosmic-AM335x board as well as you will also have an idea
how to use Qt for application development.
1. Application development using Qt Creator
With the help of example projects, we will teach you how to work with Qt.we explain
how to run Qt application on target(ARM architecture),in Linux(Ubuntu) environment.
1.1. Qt Creator Installaion
Qt in linux
First of all install Qt Creator with the help of Ubuntu Software Center
Enter Qt Creator in the search box in the right top corner(in Ubuntu Software Center).
Install it(see the below image)
Figure 1.1
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2.QT Creator Configuration for Cosmic-AM335x
Note:Before starting the procedure, power up the Cosmic board and set the ip address
to the target.
2.1.Configuring QT Creator for Cross Compilation
Now lets setup QT creator to configure qmake. From the QT creator main menu shown below
select the following:
Tools -> Options...
On the left side vertical menubar click Build & Run
Click the Qt Versions tab under Build & Run
Remove any versions that may already exist to make sure you start with a clean configuration
Click Add... on the right
Navigate to /home/bhaskar/work/phytec/src/OpenBoard-
AM335xPD13.0.0/platformPHYCORE-AM335x/sysroot-cross/bin/qmake
Note:here Navigate to the path of qmake in our PC.(referN 2.4)
Select qmake then click on Open
Double click on Version Name and give the Qt Version a descriptive name such as Qt
4.7.4(sysroot-cross) See image below.
Figure 2.1.1
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Export the Toolchain Path(refer 2.3.3)
Click the Tool Chains tab under Build & Run
Click Add in the top right and add a GCC
For Compiler Path select Browse
Navigate to /home/bhaskar/work/phytec/src/arm-cortexa8-linux-gnueabi/bin
Note:here navigate to the path where you have exported the tool chain
Select arm-cortexa8-linux-gnueabi-gcc and click on open
Repeat the process to select a debugger, you will find it at the same location:
/home/bhaskar/work/phytec/src/arm-cortexa8-linux-gnueabi/bin/arm-cortexa8-linux-
gnueabi-gdb
Figure 2.1.2
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Now lets setup our Target. While still in the Tools -> Options menu
On the left side of the window, select the Linux Devices tab
Figure 2.1.3
In Linux Devices: click the Device Configurations tab
Click Add... in the top right and select Generic Linux device and click on Start Wizard
Figure 2.1.4
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The Device Configuration Wizard Selection Dialog box comes up
Change the name Generic Linux Device to give the device a unique name: AM335x
Type in the IP address of the Embedded Linux Device. Type the IP address for your board, not the
one shown in the screen capture.
For Username type in root
Make sure Authentication type is Password, but leave the password field blank.
Click Next and click Finish
Figure 2.1.5
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You should see that the target test passed, so you can close that window.
Figure 2.1.6
Now we need to setup an SSH key so that the host can communicate with the target
Still under the Device Configurations tab click "Generate SSH Key.."
Select Key size: 1024
Key algorithm RSA
Then click Generate SSH Key in the SSH Key Configuration dialog box
Figure 2.1.7
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Click Do not Encrypt key file
Figure 2.1.8
Then click Save Public Key...
Figure 2.1.9
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