Update to Bare Metal STM32F4 (ARM Cortex-M4) LCD Demo Proof of Concept

Fri Jul 21 15:09:45 PDT 2017

On Friday, 21 July 2017 at 00:27:09 UTC, Mike wrote:
> On Thursday, 20 July 2017 at 17:09:40 UTC, Mr.D wrote:
>> Thanks for your work with bare metal MCUs! I am dreaming that 
>> someday I can program smart house IoT automation on D.
>
> You already can; it just may not be the most professional 
> experience.  If you have the hardware and the time, do it!
>
> Mike

I am stopped by the lack of a system library for work with GPIO, 
PWM etc specific MCU things.