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Friday, July 12, 2013
Moving to Google+
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I'm trying my Google+ as a replacement for this blog from here on out. Here's my first attempt: Semihosting on ARM Cortex-M with o...
Thursday, September 27, 2012
Version strings in C or C++ code
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This comes up every now and then and I have a hard time recalling the trick each time, so here goes: we have a revision control system (ex: ...
Sunday, April 15, 2012
Getting started with LPCXpresso on Linux
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Here are some notes about working with the LPC1769 on the LPCXpresso board, a reasonably cheap development kit from NXP. I don't use th...
Thursday, June 23, 2011
Ubuntu 11.04 slowness and high CPU usage
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I noticed extremely high CPU usage on my ThinkPad X40 after upgrading from Ubuntu 10.10 to 11.04 a while back. This rendered the laptop nea...
3 comments:
Friday, April 29, 2011
setting up the finger print reader on a ThinkPad with Ubuntu
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This works fine on my ThinkPad X61s (SGS Thomson Microelectronics reader) with Ubuntu 11.04 (and should be the same on the previous few vers...
1 comment:
Sunday, February 13, 2011
button (or other GPIO pin) debouncing
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GPIO pin de-bouncing is a fairly common task and there are many good ways to implement it. Here's how I handle it on most projects, I t...
Thursday, January 20, 2011
inspecting USB HID descriptors in Linux
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It's sometimes necessary to see the complete USB HID descriptor for a device, including the report descriptor. On Debian-based systems ...
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