-
Recent Posts
Recent Comments
Archives
- December 2021
- January 2019
- April 2018
- March 2018
- June 2016
- April 2016
- October 2015
- June 2015
- March 2015
- December 2014
- August 2014
- July 2014
- June 2014
- May 2014
- April 2014
- March 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
Categories
- ADE7763
- AmScope
- Arduino
- ARM
- AS3935
- AVC
- Components
- Desk Clock
- Die Filer
- FIRST LEGO League
- Furnace Monitor
- Home Energy Monitor
- IR Beacon
- LD-AIR
- Lightning detector
- MCP42010
- MSP430
- Personal
- PIC
- Pololu 9DOF IMU
- Processors
- Product reviews
- Projects
- Python
- Rigol DS1102D
- Robotic DVD burner
- RS232 Shifter
- Sailboat Race Timer
- Software
- Sugru
- SUNDAR
- Teensy
- uBlock LEA-6H
- Uncategorized
- Vectronix DMC
- XBee
Meta
Category Archives: AVC
Woes with a LSM303DLHC
I have a Pololu 9 DOF IMU (version 2) that uses an LSM303DLLC for the magnetometer and accelerometer. With these two sensors you can create a tilt compensated compass. It was my plan to do exactly that to get heading … Continue reading
Posted in ARM, AVC, Pololu 9DOF IMU
Comments Off on Woes with a LSM303DLHC
Agoraphobic robot
I have been frustrated by a problem with my robot. Each time I would go outside to test, the robot’s processor would hang. I tried various tactics in getting to the bottom of the problem. The real bummer was that … Continue reading
Slight pause in the development
The problem with being an embedded software engineer by day and doing prety much the same think at home is that you can get burned out. Not normaly an issue when work is slow or boring. But when you work … Continue reading
Posted in AVC, Uncategorized
Comments Off on Slight pause in the development
Writing to FLASH
You would think that writing to FLASH would not be such a big thing. But it took several days to accomplish. The first issue is that your reprogram code can’t live in the same FLASH as you want to program. With … Continue reading
Strange bug still comes and goes
I have this bizzar bug that comes and goes. When connected to the JTAG pod, I never see it. When operating disconnected, it will in fits and starts not boot properly. Since it never seems to happen when connected to … Continue reading
Spring time is for bugs
Another frustrating evening. On occasion, my processor will not boot if you press the reset button. You can press then button a hundred times and nothing. And yet it never seems to fail when commanded to reset from JTAG. Since … Continue reading
Posted in AVC
Comments Off on Spring time is for bugs
Found the nasty bug.
I was unable to allow the dog to sleep. Had to find the bug or I was not going to be able to sleep. After a few more occurances, I had enough data to give me reason to suspect I was … Continue reading
Posted in AVC, uBlock LEA-6H
2 Comments
Chassing a “Heisenbug”
I have a crash that occurs at somewhat random times. It may go 20 minutes or it may crash within a few seconds. The blink code on my LED indicates a Prefetch Abort. In other words, the instruction it went … Continue reading
Posted in AVC
Comments Off on Chassing a “Heisenbug”
Chassing random crashes
Last night I stopped trying to add more functionality and get to the bottom of these random crashes. If I have lots of GPS data flowing through the system the system will crash in various ways. One way includes a … Continue reading