Although this is a fairly low-traffic website, it still gets visitors from all over the world. I use low-cost web hosting based in North America, which historically means my international friends tend to see slow performance when accessing the site.…
New Web Site Look
This weekend I updated the themes (and more) of a couple of websites: this blog, and my main site at frankvh.com. This blog was using an old theme (from 2007) and Google no longer liked it. Google has been pushing…
Fast RGB332 to RGB565 Colorspace Conversion
I’ve recently been working on a project with a small 320×240 TFT display connected to a microcontroller. In this case an ARM Cortex-M0+. Being able to display images is a really nice feature, however images can consume a lot of…
Using the Freescale TFS Flash Driver Software – Bugs & Notes
Recently I’ve trying to use Freescale’s C90TFS Flash Driver for erasing and programming on-chip flash on their Kinetis MKL25Z128 Cortex M0+ processor. This is the same processor as used on the Freescale Freedom board. At the time of writing, the…
New Project Posted – RF Signal Generator
There’s a new project posted on the main website – a simple RF signal generator that (mostly) covers the range 640 MHz to 5.8 GHz. The project can be considered as being in two halves. First is the RF half.…
Freescale Kinetis USB Bootloader
I’ve been doing some work with a Kinetis MKL25Z128 Cortex-M0+ processor. I love what you get for the very small amount of money this thing costs. It even contains a 16 bit A/D converter, which is very rare at this…