Demo for the STM32F4-Discovery

Hi,

I wrote a small demo for the STM32F4-Discovery, the guide is available here:

http://www.chibios.org/dokuwiki/doku.ph … _discovery

Similar guides are also available for the STM32VL-Discovery:

http://www.chibios.org/dokuwiki/doku.ph … _discovery

…and STM32L-Discovery:

http://www.chibios.org/dokuwiki/doku.ph … _discovery

Benchmark results are available here: http://www.chibios.org/dokuwiki/doku.ph … st_reports

Giovanni