Macro assembly for AVR chips

avr-macro-assembly

Here’s an interesting tip that can help improve your ability to write assembly code. In an effort to remove the complexity of assembly code for an AVR project [Quinn Dunki] figured out how to use macros when writing AVR code with the GNU toolchain. Anyone using AVR-GCC should keep this in mind if they ever want or need to … Read the rest

Raspberry Pi runs XBMC; reliably decodes 1080p

This is the Raspberry Pi board, an ARM based GNU-Linux computer. We’ve heard a little bit about it, but it recently garnered our attention when the machine was shown running XBMC at 1080p. That’s a lot of decoding to be done with the small package, and it’s taken care of at the hardware level.

Regular readers will know we’re fans … Read the rest

ARM prototyping on-the-cheap with STM32 Discovery

STMicroelectronics has another inexpensive development board out; the STM32 Discovery is an ARM Cortex-M3 prototyping platform. Coming in under $10 puts it right along the lines of their 8-bit offering, but this one is 32-bits with 5 KB of RAM and 128 KB of programming memory. It runs a bootloader and has on-board USB for easy programming. They’ve … Read the rest

Firmware hacking on Behringer midi devices

A new project called the Unofficial Behringer Control Development Kit lets you tweak or completely replace the firmware on the popular devices. The proof of concept demo shows a custom message scrolling on the 4-character 7-segment display but you can do with the device is only limited by how well you can code for the ARM processor inside. Development takes … Read the rest