I just added a recipe to OpenEmbedded to build the Socketcan kernel modules from the socketcan SVN. So if you are using the latest OpenEmbedded… Read More »Socketcan CAN-bus drivers added to OpenEmbedded
During system verification for a customer, we noticed occasional failures when writing to a SD card using the Marvell PXA270 MMC/SD controller. The failure is… Read More »Fix for PXA270 MMC/SD Controller Write Corruption
With Linux, some of the things that seem like they should be easy are not — at least at first glance. For example, how do… Read More »How to implement an interrupt driven GPIO input in Linux
The Linux input layer has made a lot of progress in recent years. When writing a new input driver (such as keyboard, trackball, etc), it… Read More »Linux Input Testing and Debugging
In a previous article, I covered some of the basics of Linux timers. Any time you are doing any type of fixed time delay in… Read More »Should you be using monotonic timers?
The kernel support in OpenEmbedded for the Compulab cm-x270 has been updated to version 2.6.24. The 2.6.24 kernel opens up several possibilities including better real… Read More »Compulab cm-x270 kernel update to 2.6.24
As detailed in the article I wrote back in September of 2007 (http://bec-systems.com/web/content/view/75/9/), getting embedded wifi modules functioning is not a simple task. However, due… Read More »Marvell Embedded SDIO Wifi Success
Updated 2.6.23 kernel patches for the Compulab cm-x270 are now available in OpenEmbedded: http://www.openembedded.org/filebrowser/org.openembedded.dev/packages/linux/linux-2.6.23/cm-x270 The cm-x270 support in OpenEmbedded has undergone a lot of clean-up… Read More »Linux 2.6.23 for the Compulab cm-x270
(see also should you be using monotonic timers?) Have you ever wondered what is the best way to implement periodic tasks in Linux applications —… Read More »How to implement realtime periodic tasks in Linux applications
I just completed porting the cm-x270 Linux kernel patches to the 2.6.22 kernel. Kernel build is available in OpenEmbedded. Patches are available in the OE… Read More »Linux 2.6.22 for the Compulab cm-x270