 | | Re: GCC 2.8.1 for HC11
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(...) How come you didn't simply use the 2.6.3 cross-compiler? I doubt the optimizer is improved _that_ much for the HC11. (...) It was a while ago, and I don't remember how much of Carlos's work is left. It all had to be converted to the new (...) (26 years ago, 29-Mar-99, to lugnet.robotics.handyboard)
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| | Help needed! Additional info
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Hi everybody! Will Bain alerted me that I was using the wrong library files. I've corrected this, but am still having the "board not responding" problem! Any help on this is still very much welcome!! Thanks and best regards, Marc msmkatz@wxs.nl (...) (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sonar Device fried!!!!
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(...) The most common causes would probably be: (1) Not having a transducer hooked up when the ping is initiated; (2) Having the flat flex cable plugged in backwards (you can't trust the stripe to be on the correct side! Make sure pin 1 goes to (...) (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Help needed!
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MSMKatz wrote: <snip> (...) <snip> Marc, I wonder if the hardware is perfectly ok, but you're inadvertently attempting to load the wrong software. I'm not sure where your lib_hs.lis came from or why IC automatically loads it, but I think it might be (...) (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Polaroid Sonar Device fried!!!!
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The C3279 chip ("Q1") on my sonar device fried. I checked the expansion board and it is assembled correctly. I am not sure why it would fry. I added the 0.1uF electrolytic capacitor to C7 position as stated in the sonar.html site and suggeted by an (...) (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Java class libraries for HandyBoard
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Users interested in running Java on HandyBoard can now download demonstration application and a set of library class files at (URL) Gasparik (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Help needed!
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Hi, I have assembled my recently bought Handy Board kit and have run into major problems: In paragraph 6.0.5 of the assembly manual, the Handy Board is tested for the microprocessor and memory circuits. After powering up the board and running IC (...) (26 years ago, 28-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Handy Board inputs
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Hi Becky, If you are using the HB with the expansion board, you *do* need new library files loaded. Check the web site at: (URL) easiest way to run new library files is to edit lib_hb.lis to include them. To test the HB inputs w/o the expansion (...) (26 years ago, 27-Mar-99, to lugnet.robotics.handyboard)
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| | Handy Board inputs
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Hi, my name is Becky Browning. I am currently working on building a robot using the Handy Board. I am having considerable troubles though getting either the digital or analog inputs to work. Right now I have analogs ports 0 and 1 working with (...) (26 years ago, 27-Mar-99, to lugnet.robotics.handyboard)
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| | analog inputs on expansion board
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Hi, Two questions: 1) When I plug a Lego reflectance sensor into the expansion board it seems to work fine. When I use the angle sensor it seems to work fine. When I plug them in at the same time the angle sensor stops working. No change to the (...) (26 years ago, 27-Mar-99, to lugnet.robotics.handyboard)
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| | GCC 2.8.1 for HC11
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A great link for people doing HC11 work: www.msoe.edu/eecs/ce.../resources Here they have Wookie, a HC11 simulator for Win32, the WinBug11 downloader, a DOS HC11 simulator, AS6811 and ASLINK (relocatable assembler), and something I've sought for a (...) (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | Re: HB Memory
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Thanks everybody. (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | Re: [Fwd: Robot Mapping]
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-->Heck, that sounds pretty easy. As long as you know where you start from and you use a cartesian or -->polar form of V=vsub0 + a*t integrated over time, and you are either working in a vacuum or at such low -->velocities that c sub d is (...) (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | Re: [Fwd: Robot Mapping]
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(...) Heck, that sounds pretty easy. As long as you know where you start from and you use a cartesian or polar form of V=vsub0 + a*t integrated over time, and you are either working in a vacuum or at such low velocities that c sub d is negligible, (...) (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | [Fwd: Robot Mapping]
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-- ___...___ Jonathan Pennington -Anthropologist/Geologist -Linux User and Advocate -Bart Simpson Sympathizer Email at jwp(at)awod.com ___...___ (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Robot Mapping
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(...) I've been thinking about this too. The problem as I see it is that without some shaft encoders on the wheels, your robot doesn't really know how far it's moved, and therefore where it is in the map. If you power on the forward motor for 2 (...) (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | RE: Robot Mapping
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Check this reference out: "Autonomous Agent Map Construction in Unknown Enclosed Environments", Keith L. Doty and Steven L. Seed, Machine Intelligence Lab, DEE, University of Florida, Gainesville, FL and Chapter 10 of: "Sensors for Mobile Robots, (...) (26 years ago, 26-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Help with pointers
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(...) Actually, in 'normal C', to be completely correct you would cast the pointer conversion to show that you really knew what you were doing, like this: p = (char *) &x; Unfortunately, neither the free ware IC nor IC 3.2 support this. Here is (...) (26 years ago, 25-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Robot Mapping
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I would also like to know about this. please cc any info to me too. =) chen (...) (26 years ago, 25-Mar-99, to lugnet.robotics.handyboard)
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| | RE: Sharp GP2D02
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Scott, The reason I wrote mine the way I did was so that I could avoid disabling interrupts for long periods of time. If you don't care about timer interrupts or things like wheel encoders, either program should work fine. My program uses digital 15 (...) (26 years ago, 25-Mar-99, to lugnet.robotics.handyboard)
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