FreeRTOS for ATMEL AVR32_UC3B – Unresolved inclusion stddef.h

Hi I am trying to use FreeRTOS for my Atmel Studio project to get serial flash to work. I am using AVR32/GNU C Compiler. However, I got Unresolved inclusion stddef.h, ros_defs.h, etc. Please advise what I do wrong?

FreeRTOS for ATMEL AVR32_UC3B – Unresolved inclusion stddef.h

Where did you get the port from? Note the port in the FreeRTOS download contains workarounds for issues that non longer exist in production AVR32 devices – so please ensure to use the version provided by Atmel (now Microchip) themselves. stddef.h should be provided by GCC. Do you have the path to the tools correct in your project options? Can you verify the file exists in the compiler’s installation directory. Don’t know about ros_defs.h.

FreeRTOS for ATMEL AVR32_UC3B – Unresolved inclusion stddef.h

Thanks Richard for your help. rosdefs.h and roseven.h are part of RTC driver (real time counter). I got this sample code from third party, which require me to add FreeRTOS and make it to work. Run into this compile error in AVRSTudio 2.6: no such file or driectory.