Download of STM32F10x_StdPeriph_Lib_V3.1.2.zip (STM32F10x_StdPeriph_Lib_V3.1.2.zip ( external link: SF.net): 12,716,240 bytes) will begin shortly. If not so, click link on the left.
"µOS++" (micro OS plus plus) is an open source, royalty-free, real-time operating system intended for embedded systems built around ARM Cortex M or AVR devices. It is based on a preemptive scheduler written in C++ (more info in the Wiki).