Hello,I am setting up just a simple task with a timer in CMSIS V.2 that triggers a periodic call of a callback function.Despite the fact that I am including "cmsis_os.h", which is part of my project, I get the linker error "undefined reference to `os...

I have a setup as required by the HID_standalone example program. When I am starting the program the keyboard that is connected to CN13 is properly recognized (last two sentences on the screen are: KeyBoard device found! andHID class startedWhen I th...