I have downloaded FreeRTOSV4.1.2 and even 4.1.1 and keep experiencing the same error, with IAR 4.30A (Using Kickstart4.0) gives the same error message when first opening the project: Broken Links Detected A backup copy will be made Here are the error messages: LOAD: Configuration ‘Flash Debug’ in the project ‘rtosdemo’ contains broken options for tool ‘XLINK’:   The format of this file is not supported by this version of the workbench.  It appears to have been written by a newer version of the workbench. Diagnostics: ‘Settings ‘XLINK’: unsupported version – 18′.   Options for ‘XLINK’ will be set to default.   Creating backup of original project file. LOAD: Configuration ‘Flash Release’ in the project ‘rtosdemo’ contains broken options for tool ‘XLINK’:   The format of this file is not supported by this version of the workbench.  It appears to have been written by a newer version of the workbench. Diagnostics: ‘Settings ‘XLINK’: unsupported version – 18′.   Options for ‘XLINK’ will be set to default. WTD: Unavailable option selection: ‘Atmel AT91SAM7X256’. WTD: Changed to default selection: ‘None’. I have built a couple of the other projects just to check IAR and all build OK.  Any light you can shine would be greatly appreciated.

Please download the latest version (4.40A?) from IAR – the KickStart is a free download. The project file format seems to change with annoying regularity.  You will probably have to install a clean version of FreeRTOS.org from the zip file download also.  Using an older version of Embedded Workbench to open a project created from a newer version has in the past resulted in the project being clobbered – with all options being lost. Let us know if this fixes the issue. Regards.

Hi, I compile uIP with gcc and i enable the UIP_LOGGING for debugging with serial port. When i connect to my board with ethernet cable, i receive the follow error: "ip: invalid version or header length" Why? Can you help me please? Thanks!

I suspect the structure packing is not correct.  You have to use __attribute__ ((packed)).  There was a post on the uIP mail list about this about a week ago you might want to look it up.