http://www.blackmesaeast.com.pl Black Mesa East projects website Fri, 19 Dec 2008 09:32:45 +0000 http://backend.userland.com/rss092 en Yes !!!. Finally We have received the latest Valve production , the long waited Orange Box. It contains: Half-Life 2 Half-Life 2 Episode 1 Portal Half-Life 2 Episode 2 Team Fortress 2. Of course this means only the one thing for our projects ... more delays should be expected. http://www.blackmesaeast.com.pl/2007/10/30/orange-box-polish-edition-arrived/ Our current work is focus on the Sarge Extension Board design. The board will contain few additional periferials like I2S sound DAC and CompactFlash connector and these will allow us to extend our capabilities in the embedded system field. http://www.blackmesaeast.com.pl/2007/08/10/extension-board/ One of my possible customer asked if I can run mono on the Sarge SBC, so I've decided to bitbake one using the latest oe recipe. After creating mono-1.2.4 packages for sarge-at91 machine it turned out that not everything is working fine: root@sarge_at91:/usr/local/mono$ mcs example1.cs Unhandled Exception: System.TypeInitializationException: An exception was thrown by ... http://www.blackmesaeast.com.pl/2007/07/08/sarge-sbc-and-mono/ There are dozens of chips using I2C (Inter-IC bus) bus. The AT91RM9200 chip used in The Sarge SBC project has embedded I2C master controller. Initially I've experienced some problems using the bus, but it was hardware/design problem. Now the I2C is fully functional and can be used very easly under linux ... http://www.blackmesaeast.com.pl/2007/06/15/at91rm9200-fully-i2c-bus-functional/ Running kernel 2.6.21 wasn't just a matter of compiling newer release (previously I've used 2.6.17). The MMC core and AT91 driver was a bit rearranged since 2.6.17 and booting from the SD card wasn't possible. Luckily I've found patches from ECB_AT91 project and after some changes it worked for Sarge. ... http://www.blackmesaeast.com.pl/2007/06/13/sarge-sbc-is-running-kernel-2621/ Our last efforts, the long hours spent deep underground in Black Mesa compound brought the Sarge SBC to the point where the sound becomes blue and radio-wave. ... more http://www.blackmesaeast.com.pl/2007/05/25/sarge-sbc-is-playing-sound-via-a2dp/ Few hours ago our staff released the Sarge SBC ver 1.0. The SBC provides basic linux functionality like ethernet networking, SD/MMC card storage, USB host extension connectors: serial ports, SPI, I2C, I2S, CF http://www.blackmesaeast.com.pl/2007/05/15/sarge-sbc-ver-10-released/ Since the Sarge SBC is able to boot the linux kernel again We took another step and developed STE100P PHY kernel module - it's working and the lights are blinking ... http://www.blackmesaeast.com.pl/2007/05/01/actually-a-working-ste100p-kernel-module/ Using DDD debugger with OpenOCD and JTAG interface I've found why the linux kernel was not booting. It was some missaligments caused by wrong gcc 4.1.1 compilation in CPU initlization routines located in u-boot and loader code - you should use gcc-3.4.6 (or less) for loader and u-boot if ... http://www.blackmesaeast.com.pl/2007/04/29/sarge-sbc-is-booting-the-kernel-again/ Yesterday I had a meeting with my friend Marcin Juszkiewicz (a.k.a Hrw) . Beign an openmoko developer has many advantages such as access to JTAG debug board shipped together with Neo1973. Thanks to Marcin's courtesy I was able to borrow it for a few days. Using arm-linux-gdb ... http://www.blackmesaeast.com.pl/2007/04/27/debuging-sarge-with-openmoko-debug-board/