I'm working on a Wifi to 802.15.4 router project. 802.15.4 runs IPv6 using 6lowpan/ROLL. The hardware and software are open source, main site is http://mc1322x.devl.org/. Most users are universities doing research into sensor networks.
The router is currently under development. It is based on a lpc3130 CPU with a USB socket for wifi and a 802.15.4 radio. I already have basic OpenWRT ported and working on the development hardware. The router has an optional 3.5in touch LCD which lets you control and monitor the sensor network. The LCD has a 16b interface which is only supported in Cairo version 10+. So I'm trying to get Cairo 10.2 going. I attached the patches needed to bring it and its supporting libs up to the needed versions. Turn on Cairo support in menuconf, include a font, and giflib. I'm now able to run Cairo apps written in C without problem. I'm having trouble with the lua wrapper for Cairo - http://www.dynaset.org/dogusanh/luacairo. I attached the makefile I'm using to build it. luaCario comes with some examples that generate PNG file for output (no display needed). Some of these examples are seg faulting (cairo_test5.lua). I ran remote gdb and they die in sweeplist when sweeping some corrupted objects. The examples are small, 75 lines, so the problem has to be fairly basic. Can anyone give me some clues on how to debug this? Valgrind doesn't exist for ARM. Writing this has made me think to see if luaCairo is working on x86. I'll check that next. I can also Valgrind it there. -- Jon Smirl jonsm...@gmail.com
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