Open Source IDE and Toolchain for the STM32F4 Discovery on Mac OSX Lion STM32F4-Discovery ST Micro in the last few weeks was the first to market with the brand new ARM Cortex-M4 32-bit microcontroller core. The really interesting new feature is the ‘F’ in the name – this is the first low-cost, low-ish-power light duty microcontroller to include a built in, single cycle per instruction 32-bit float
![Open Source IDE and Toolchain for the STM32F4 Discovery on Mac OSX Lion](https://cdn-ak-scissors.b.st-hatena.com/image/square/3dedb6200614637f86148a69287f5f26c43ca8cc/height=288;version=1;width=512/http%3A%2F%2Fwww.alexwhittemore.com%2Fwp-content%2Fuploads%2F2011%2F11%2Fstm32f4_discovery-190x300.jpg)