 | | IC Source compiling under MSDOS
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Hi Anybody has a idea how to compile ic source under DOS.( i.e Which compiler to use etc.) Thanks Prasad (26 years ago, 26-Nov-98, to lugnet.robotics.handyboard)
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| | Re: source for pcode FP divide fix?
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Here's the HB 2.81 pcode with floating point divide fix. This new FLTDIV routine was giving to me by Jon Howell. I just patched the original math library with it and recompiled the pcode. I'm pretty sure this is the same fix that Newton Labs is (...) (26 years ago, 26-Nov-98, to lugnet.robotics.handyboard)
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| | source for pcode FP divide fix?
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Any chance that the source for the recent pcode FP divide bugfix can be released so that it could be retrofitted to the 2.81 freeware source? I'm not suggesting that Newton Labs actually do the retrofit, just that the source for the patch be (...) (26 years ago, 26-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Controlling Parallel Port Pins
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Check out Jan Axelson's Lakeview Research. You won't be disappointed and you won't know where to start. :-) (URL)This is kinda off the HB topic, sorry. (...) output (...) (26 years ago, 26-Nov-98, to lugnet.robotics.handyboard)
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| | RE: pcode 3.2 beta with FP divide fix
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Hi Sargent, I have successfully downloaded the new version of pcode. I received the bootstrap message "IC v3.2 beta 1". I have done the arithmatic operations and got accurate answers. I would like to thank all those you helped me in solving this (...) (26 years ago, 26-Nov-98, to lugnet.robotics.handyboard)
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| | Controlling Parallel Port Pins
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This is kinda off the HB topic, sorry. How do you control the individual output states of the parallel port pins? I'm working with some students where they must use a parallel port to control the states transistors and chips that ultimately control (...) (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Help
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Hi John, It depends on what kind of circuit your infrared sensors are in. An infrared diode or transistor can not be hooked directly into the HB. They have to be biased properly and the signal amplified to be compatible with either the digital or (...) (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | German Robotic User
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Hi all, i want to establish a German-Robotic-Group. Are there any german robotic users are interesting in this? I´m building sumo-roboters. You need more informations? Please mail bye bernd klein P.S. It is possible i will not answer during the next (...) (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | micro-mouse
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Hi! Can anyone tell me what are the registers that I have to initialise for a microcontroller before I start to write a program? Thank you. Chin (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Sharp IR-Distance Sensor GP2D02
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Hi Rajbala, in germany i can get this sensor from "Conrad Electronic". The Sensor is produced from Sharp. It is a very interesting sensor, because it is cheap (ca. 16,00$) It is possible to measure distances between 8-80cm, with a accuracy from (...) (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | pcode 3.2 beta 1 with FP divide fix
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Hi all, With Jon Howell's help, we now have available a new version of IC pcode which fixes the intermittent floating point divide problem. The divide problem was caused by a bug in the floating point library used by the pcode. The pcode works for (...) (26 years ago, 25-Nov-98, to lugnet.robotics.handyboard)
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| | Unsubscribe
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Please Can You Unsubscribe Me From The Handy Board Mailing List (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | Modification of Handy board
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Hi Everyone, I am in urgent need to learn how to modify the Handy Board to support 3 stepper motors (without the Expansion Board). I have absolutely no clues as to how this can be done so I would appreciate assistance from anyone who has tried this (...) (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | help
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Could someone tell me how the "IR_signal" function work, please?? John -- John A. Atkinson-Abutridy EMAIL: atkinson@inf.udec.cl Profesor Asistente Dept. de Ingenieria Informatica URL: (URL) de Concepcion Concepcion, CHILE Phone: (56) (41) 204305 Fax (...) (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | Help
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Hi, I need to send and receive IR signal (not from remote controller) in the Handyboard 1.- Could someone tell me what kind of routines I must use??? NOTE: I am not interested in getting codes from a RC, but also signal to proccess differents (...) (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Source Code For IC
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try (URL) Hi (...) (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | Source Code For IC
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Hi Iam looking for IC source code for DOS/Windows. Has anyone got information Thanks for Help Bye Prasad (26 years ago, 24-Nov-98, to lugnet.robotics.handyboard)
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| | HOW TO UNSUBSCRIBE
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please *don't* send unsubscribe requests to the whole list. Fred Martin is the only person who can unsubscribe you. Send him email at fredm@media.mit.edu. Fred In your message you said: (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Source code for IC
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Hi Iam looking for IC source code for DOS/Windows. Has anyone got information Thanks for Help Bye Prasad (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Intermittend IC floating point divide problem
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Somebody already did part of the job. If you go to (URL) you can download a pcode source for a road warrior kind of robot with some "corrections to the floating point math library to produce correct results for several previously buggy operations". (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Unsubscribe
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Please unsubscribe me from your handyboard list. Thank you. John Rutledge (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Unsubscribe
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Unsubscribe me from the handy board mailing list please (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Intermittend IC floating point divide problem
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Dear Richard and Javaid, I have assigned a programmer to track down the floating point divide problem, and will keep you posted on its resolution. We believe it is a problem with the floating point library that is assembled into the pcode, so it is (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Incorrect number for Pitsco Dacta
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Oops. I gave out the fax number instead of the voice number. The correct telephone number for Pitsco Dacta is 1-800-362-4308. Sorry about that. --Will , , __@_/ \_@__ |/ | /__, o @_/ )\ ) ( \ (\/\\, ~~~...~~~ ' ` ~~~...~~~ ` ~~~...~~~ Wendy Parson, (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Sharp IR-Distance Sensor GP2D02
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Hi all, have somebody experience with the Sharp GP2D02 IR-Distance Sensor. It´s a nice and cheap Sensor. I plan it to connect via the SPI connector on the handyboard, but today i have problems with the timing. Greetings Bernd Klein (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | freeware problem
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hello, i downloaded the freeware version of IC for DOS, and i believe it to have a few problems. these problems were not in another version that i had on disk. the problems are: there are no stop_button(), start_button() functions, only (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Building an IR/ultrasound co-processor... (LONG)
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Hi, I'm in the process of building a combination IR and ultrasound co-processor for my HandyBoard based robot. It's based on what Chuck McManis did for his Cougar bot. My version will have forward and backward looking IR and include the sampling and (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | IC errors in arithmetic operation
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Thankyou for your kind response to my student Javaid Iqbal on errors in using floating point divide within IC software. The errors have effectively brought our use to a full stop at present because we cannot rely on results nor bypass what has (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Arithmatic operation
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(...) Yes, you are right. But I think this should be address by the software programmer. joema (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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| | PID Code
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Hi all! I am using the handyboard as a PID controller. I wrote my own program it didn't perform really well. Is there any resource about PID using HB so I can furnish my program? Thanks a lot!! Keith (26 years ago, 22-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Arithmatic operation
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if you are not trying to divide numbers of great precision(many significant figures), then you can try multiplying by some order of 10, performing your division, then dividing by that same order of 10. i have used this before, but not for the same (...) (26 years ago, 22-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Arithmatic operation
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(...) I've asked for help with the floating point bugs in IC before, and nobody seems to care. Unfortunately, I've come to not use IC floating point variables at all, since I can't trust them. It's all very frustrating since none of the IC versions (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Using 30VDC to drive motors
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Dave As far as connecting the grounds, that just means that the HB and the motors must share a common ground. The H-bridges need to reference the direction and PWM signal to ground and if that ground reference is not the same as the HB's the motors (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | RE: New user - printf question/problem
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I'm still not sure what caused the problem, but a new bootstrap/reinstall of the pcode seems to have fixed the problem. I can now successfully use the printf function. Odd though, that that was the only command that wasn't working correctly. Todd (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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(26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | New user - printf question/problem
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Okay, this may seem silly, but I've got a very basic question. Just received a new handyboard (assembled, ready to go from Gleason). After charging it up, installing the pcode and booting all works fine. The 'Interactive C' text shows on the screen. (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | Using 30VDC to drive motors
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Hello, I have finished building Matt Harlan's H-Bridge circuit (from the Handyboard FAQ) and I have come across the following instructions: "Make sure the supply ground for the 18200's is connected to the HB ground. You'll get some very strange (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | Re: motor port problem
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(...) to make the connector more physically and electrically stable. (...) of course, only 2 connections are needed to make a ckt. (...) you should figure up to several amps of current flow. (...) it should work fine. good luck. fred (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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| | Re: LEGO: looking for gears
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(...) Call 1-800-453-4652 for a Lego Shop-At-Home catalog. They have an assortment called #5229 Gears & Differentials for $4.50, that has all but the huge 40-tooth gears. Shipping is free. If you need the 40-tooth gears, you can get four of them (...) (26 years ago, 20-Nov-98, to lugnet.robotics.handyboard)
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| | Re: motor port problem .
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Philip In a message dated 98-11-19 21:05:04 EST, you write: << hi, I have a big problem. I followed the method of yours that just lift up pin 8 of one L293 and wirewrapped it. The positive supply is wirewrapped to pin 8 . How about the negative (...) (26 years ago, 20-Nov-98, to lugnet.robotics.handyboard)
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