ħ Click on each Bit 0 to Bit 7 button in order to set the I/O pins as outputs: As the LEDs must be OFF after chip reset, the potential of their cathodes must be +5V, so the Output Values for Port D Bit 0 to Bit 7 must be set to 1 by clicking on the corresponding buttons: HP InfoTech S.R.L. A new configuration panel for Port Settings will be displayed: Click on the Port D tab in order to select the PORTD configuration: As can be seen, the Port D Data Direction for all I/O pins is set by default as inputs (In) HP InfoTech S.R.L. In order to achieve this, click on the Ports node of the CodeWizard s tree. Ħ The next step is to configure the PORTD pins PD0 to PD7 as outputs. The CodeWizardAVR will be launched and the following window will be displayed: In the Chip Settings panel, select the Chip type: ATmega328P and Clock frequency: 16 MHz HP InfoTech S.R.L. A dialog window will be displayed, allowing selecting the AVR chip family for which the CodeWizardAVR will create the program: Select the AT90, ATtiny, ATmega option and click on the OK button. Execute the File New Project Using the CodeWizardAVR. Creating a New Project Launch the Atmel Studio IDE. This will provide power supply and communication to the board HP InfoTech S.R.L.
Connect the USB connector of the Arduino board to an USB port of your computer.
Connect each LED s anode, using a 1k resistor, to the pin marked 5V of the board s POWER connector header. These outputs correspond to PORTD pins PD0.PD7 of the microcontroller. Make the following hardware preparations: If it is not already installed, solder a 6 pin header to the location marked ICSP on the Arduino UNO board Connect the cathodes of 8 LEDs to the outputs marked DIGITAL 0.7 on the board.
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Please note that Administrator privileges are required under Windows for installing and using CodeVisionAVR. When prompted, use the default installation directory suggested by the installer.
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Preparation Download and install Atmel Studio from Install the CodeVisionAVR C Compiler by executing the CodeVisionAVR.msi installer. The example is a simple program for the Atmel ATmega328 microcontroller on an Arduino UNO board.
Introduction The purpose of this document is to guide the user through the preparation, building and debugging of an example C program using the CodeVisionAVR V3.07 or later C compiler extension for Atmel Studio 6.1 or later.
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Introduction Preparation Creating a New Project Editing the Source Code Configuring the Project Building the Project and Programming the Chip Debugging the Program Conclusion Appendix A The Source Code HP InfoTech S.R.L. All rights of translation reserved HP InfoTech S.R.L. No part of this document may be reproduced in any form except by written permission of the author. 1 Getting Started with the CodeVisionAVR Extension for Atmel Studio 6.1Ģ Getting Started with the CodeVisionAVR Extension for Atmel Studio 6.1 Revision 2/ Copyright Pavel Haiduc and HP InfoTech S.R.L.