Wenwei Weng's Blog

ARM is coming very strong and making dramtic change to the landscape of computing industry. It is impacting to various fields like microcontroller, embedded system, mobile internet, server market. In this post, I will share what I learned about ARM CPU. ARM is a family of instruction set architectures for...

Internet is changing many aspects of people’s life. One of very initial goal of internet was to make long distance voice call very cheap as stated by Cisco CEO John chambers in 1990s. It is very much in reality now. Still, home phone /landline can be pretty expensive. Thanks for...

GIT is becoming very popular as SCM due to its simplicity and flexibity. Often software developers encounter proxy issue when the server sit behind firewall. There are three protocols git can use to clone a repository: http, git and ssh. GIT clone example: git clone http://git.denx.de/u-boot.git git clone git://git.denx.de/u-boot.git git...

I love Linux, and pay a lot respect to the initial creator Linus Torvalds. He seems full of wisdom and really like his following quotes: I think of myself as an engineer, not as a visionary or ‘big thinker.’ I don’t have any lofty goals. I’m generally a very pragmatic...

I always feel good if I can build something from scratch and works! I love Linux. I will show how to build a Linux system with bleeding edge linux kernel and latest stable busybox release, and run linux in [qemu] (http://www.qemu.org/). Host machine I have a x86 based ubuntu 12.04...