Blagh Stuff that no one really reads anyway. About Narcissistic ramblings about myself. Electronics I've been messing around with embedded development lately. Mostly with the Arduino platform. Code Some code I've written Links Links to things I like and/or are interested in.

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Nokia e71 Bug Report - Phonebook match fail

Dear Nokia:
I filed this report via the 'email support' page on your website. Hopefully you'll fix this. I can, of course, work around it with judicious data entry sanitization, but I shouldn't have to.

Bug Report: 
Phone book match fails for incoming calls and SMS 
messages if phone book entry contains dashes

Version Info:
300.21.012
18-06-2009
RM-346
Nokia E71-1 (27)

Details:
When a phone book phone number entry contains dashes 
(and possibly when it starts with a +), the calling (or texting) 
party name from the phone book is not matched properly. 
It seems that there's a regex failure.

Steps to reproduce:
Enter phone book entry in the form +1-NPA-NXX-NNNN. 
Receive call and text from that number. Observe that the 
entry is not matched properly.

Desired Behavior:
The lookup algorithm should strip out the dashes before 
matching to the phone book entries.

Other Notes:
This worked properly on my E61i. You might want to check 
that code tree to see what changed between releases.

Posted by John on September 5, 2009

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Breadboard Template

In preparation for the Arduino Class I'm teaching this month at AS220 Labs, I made this breadboard template in Inkscape to make it easier to layout circuits for the presentations.

I figure this will be useful to others, so you can grab the SVG here. Enjoy!

Posted by John on June 13, 2009

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Building Statically Linked Binaries with make on Linux/Unix

Posting this mostly as a reminder to myself for the next time I have to do this.

For those who don't know, a statically linked binary is an executable that does not require any support libraries. All the required support libraries get included in the binary itself. This results in a binary that will run on any system of the right CPU type (i386, x86_64, ppc, etc.) The downside of this is that the resulting binary is going to be quite large. If you're doing forensics on a system, it's always handy to have a set of system utilities (ls, ps, sh, chown, chmod, netstat, vi, cp, rm, mkdir, rmdir, etc) that you have built yourself as statically linked binaries so you can trust them in case a system is root kitted.

Normally, when you download a tarball of source code, you'll do the standard "configure; make; make install" to build it. If you want a statically linked binary, replace the plain "make" with:

make SHARED=0 CC='gcc -static'

 

Posted by John on June 10, 2009

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