Here’s the link to Part 1.
A very significant limitation with the STM32F4xx family (STM32F405 / 407 / 415 / 417) is that fully a third of its internal RAM is inaccessible to the DMA controller. Of the 192 kB of available RAM, only 128 kB can be accessed by the DMA. The other 64 kB, [...]

I’m not generally one to repost articles and links to articles – you won’t find much of that on my blog. Nor am I particularly pro-this or anti-that when it comes to technologies, brands, companies, etc. I have Apple products and non-Apple products. I’ve used various flavours of Mac OS, of DOS, of Windows, of [...]

If you’re seeing a Hard Fault exception on your Cortex M3 or Cortex M4 processor, this handler and information may help. I can’t take credit for it – this code was provided by Joseph Yiu on a few different forums, as well as in his book (Definitive Guide to the ARM Cortex M3). I’m simply [...]