Category Archives for Software

What can I do with all these things?

15. January 2017 by resset
Categories: Electronics, Hardware, Software | Tags: , , | Leave a comment

Buildroot and QEMU – the quickest receipe for your own Linux

I will show the quickest way of running your own-built Linux system in QEMU emulator. Did I say quickest? Let’s start then:

Where qemu_arm_versatile_defconfig is file & defconfig name from buildroot/configs directory. Next:

And menu similar to Linux … Continue reading

13. September 2013 by resset
Categories: Software | Tags: , , , , , , , , , | 2 comments

How to install binwalk on Slackware (updated)

Update-even-more: Binwalk has just moved to GitHub. Update: Second half of this tutorial refers to the binwalk version 1.2.1 only. It appears that with 1.2.2 release, problem with setup.py has been resolved. Diff here. Firstly, a few dependencies. There is … Continue reading

05. August 2013 by resset
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GFX-unlocker

Recently I made a small demo: This is application running in ChibiOS/RT RTOS with addition of µGFX framework. It mimics screen unlocker known from Andriod smartphones. It was tested on Embest DM-STF4BB board with DM-LCD35RT LCD display, but should run … Continue reading

13. July 2013 by resset
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Kate debugs in hardware

Or how to debug embedded devices with Kate editor, GCC toolchain, OpenOCD and JTAG. Or, how to replace Eclipse in embedded developer’s work. I do most of my work with open source software, including this running on PC desktop. Few … Continue reading

23. February 2013 by resset
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Canny edge detector

I uploaded one of my student projects to GitHub: Canny algrithm implementation. This is popular method of finding edges in the image invented in 80’s: http://en.wikipedia.org/wiki/Canny_edge_detector. What you will find here is extremely naive approach, possibly with bugs and certainly … Continue reading

24. December 2012 by resset
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Benefit of Cortex-M4F

Embedded systems gurus always repeated: don’t use floating-point numbers in your firmware! But what if you have processor with a FPU? Well, then you simply can. Do not forget, however, to carefully look at your disassembly file, as always. So … Continue reading

08. July 2012 by resset
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VMware Workstation 8.0.2 on Linux 3.2.x

There is a great aricle (and blog) on solving problems with running VMware on Linux hosts: http://weltall.heliohost.org/wordpress/2012/01/26/vmware-workstation-8-0-2-player-4-0-2-fix-for-linux-kernel-3-2-and-3-3/. What is not said there is that sometimes you are unable even to install Workstation itself. The cause is that installer tries to … Continue reading

16. April 2012 by resset
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Setting up a locale in PostgreSQL on Linux

After installation of fresh copy of PostgreSQL database server it is often required to configure proper localization settings. This helps to avoid messages like this:

where en_GB.utf8 is setting you want to have. In order to create a database … Continue reading

08. January 2012 by resset
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OpenOCD + Actel (Microsemi) CoreMP7

In my engineer degree work I used CoreMP7-enabled ProASIC3 Development Kit (part number M7A3P-DEV-KIT-SCS). In a time it was launched by Actel (acquired by Microsemi) it was one of the first attempts of creating a SoPC with soft ARM core … Continue reading

13. December 2011 by resset
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