[sdiy] STM32F4 synthesis examples

[julian schmidt]

> May i ask
> How hard is it to get a development system setup? What language are they coded in? They sure seem powerful!!
Eclipse and GNU ARM toolchain. got it set up on a weekend.
GNU compiler is available for the platform, so C/C++ is no problem.
A good starting point is the stm32f4 discovery board which is around 15$ 
and comes with a stereo out codec and a programmer/debugger.