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Sunday, July 24, 2011

Building an Application for AT91SAM7S with FreeRTOS RTOS and IAR

 Le Trung Thang 2011 

After ported success the FreeRTOS kernel to AT91SAM7S board, see: “Porting Real Time OS "FreeRTOS" to AT91SAM7S256 Evaluation board”. Now, we can start to create an application using FreeRTOS. The preparation tools, you can see at above article.

The first, you need download the demo project at here. Unzip downloaded file and go to folder Atmel\at91sam7s-ek\FreeRTOS-getting-started  and open file FreeRTOS- this getting-started.eww to start IAR Embedded Workbench for ARM IDE.
From demo project, you can edit the project hierarchy as your requirement.

Tuesday, July 19, 2011

Porting Real Time OS "FreeRTOS" to AT91SAM7S256 Evaluation board

Le Trung Thang 2011 
Preparation.
Hardware:  
AT91SAM7S Evaluation Board or OLIMEX SAM7-P256 Development Board (www.olimex.com).
-  Segger J-link emulator (www.segger.com).
Software:
-  IAR Embedded workbench for ARM (www.iar.com).
-  FreeRTOS  RTOS (www.freertos.org).
To get FreeRTOS , you can either download from www.freertos.org directly or  download the demo project which included FreeRTOS v7.01. Thank to Mr. Richard Barry, author of FreeRTOS.