DirectFB (Direct Frame Buffer) is a graphics library that is widely used in embedded systems, especially home market. More and more applications or libraries choose DirectFB as backend, such as Cairo,…

Great leaps in human knowledge are linked to advancements in tools. For software engineers the debugger is a cornerstone tool to create reliable products. We engage in a running battle fighting both the…

Here at ARM, a colleague recently wanted to port Linux to a prototype of a new high-performance Cortex-A9 based platform.  To develop and debug this port, he needed to be able to set breakpoints, view…

This blog covers the use of two powerful debugging techniques — stack frames and instruction trace — to debug random or timing-related bugs on ARM processor-based targets.Timing-related and random bugs…

In this blog you will find information about semihosting, an implementation of the C library that uses a JTAG debugger to interface the world. Semihosting is very useful for board bring-up, as it works…

利用NEON技术编写代码ARM NEON™ technology is widely used for multimedia optimization. The SIMD architecture of NEON technology makes it very suitable for many compute intensive modules in multimedia codecs…

Continuing my "Spotlight on the Linux software Ecosystem", this time I am going to cover the openSUSE Project.openSUSE is not only one of the major Linux distributions, but is also one of the…

As many may know, the Linux operating system has many variations. These are more commonly referred to as Linux distributions or distros, and choosing a distribution to use can be a quagmire.  I won't be…

With the arrival of Windows RT and the opening of Microsoft App Store, you can now develop Windows Store Apps on ARM platforms and make them available to 200+ markets via the Microsoft App Store. If you…