Elastic Sheep

Because elasticdog was already taken

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Entries Tagged as 'Uncategorized'

Serial Port Bluetooth module

April 16th, 2011 · 8 Comments · Uncategorized

I recently ordered a couple of serial Bluetooth module on Ebay. You can find the same board with different names and different flash memories on the net but they all are based on the same design. The main chip is a CSR BC417143 a.k.a. BlueCore4-External connected to a 8Mbit parallel Flash memory containing the firmware. [...]

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My blog mentioned in Open Silicium magazine

January 29th, 2011 · No Comments · Uncategorized

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Adding alsa audio support to a Buildroot-based system

January 28th, 2011 · 7 Comments · Uncategorized

I have tested the building of a basic Linux system with Buildroot. I would like now to add audio support to this system with mp3 decoding capabilities. The mp3 decoding will be handled by the mpg123 application. The decoded audio playback will go through the alsa-lib userland interface that communicates with the alsa kernel subsystem. [...]

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Building and emulating a basic ARM Linux system

January 17th, 2011 · 11 Comments · Uncategorized

Here are my notes about the process I used to build a basic ARM linux system testable with QEMU. This knowledged has been gathered from the balau82.wordpress.com blog and from a Pierre Ficheux’s article introducing BuildRoot and published in Linux Magazine special issue n°47. Here is a summary of the environment I will use: Ubuntu [...]

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Linux ARM emulation articles

October 4th, 2010 · No Comments · Uncategorized

I have begun learning about Linux with embedded ARM targets. Here is a good set of links to learn the basics of building a kernel and how to boot it in the QEMU virtual machine: hello-world-for-bare-metal-arm-using-qemu u-boot-for-arm-on-qemu compiling-linux-kernel-for-qemu-arm-emulator busybox-for-arm-on-qemu booting-linux-with-u-boot-on-qemu-arm debugging-arm-programs-inside-qemu

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