 | | Multitasking (fwd)
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I forgot to mention... The process has a while(1){...} loop in it. ...if that does anything. ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper (...) (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | Locomotion questions
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Im trying to build a segmented centipede-type robot. There are several sections, each self-locomoting, connected together by a rod that will allow the other segment to swivel up, down, left and right by about 20 degrees each (hypothetically). Lets (...) (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | Multitasking
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Does anyone know if you can call a process from within another process? I keep getting a RUNTIME ERROR 01 when trying this. Even calling it from a function, other than main(), gives me this error. Thanks for any help. :) ---...--- ericson mar Master (...) (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | Re: About the first 64 cycles
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Note that the Handyboard runs in 'special test mode' which has as a benefit a lifting of the 64 cycle limit. Specifically you can switch in and out of single chip mode at will, which is essential for driving the LCD display. --Chuck (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | FW: Update and question
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I would be extremely interested to see both the schematics and software for how you were able to accomplish this! -----Original Message----- From: Jan Sipke van der Veen [mailto:j.s.vanderve...twente.nl] Sent: Saturday, April 04, 1998 1:59 AM To: (...) (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | About the first 64 cycles
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From adrian's msg I see that setting the config must be done in the first 64 cycles, my question is how do u do this?? what program will set this chip??could someone plz explain just the steps we need to take to achive this, ---...--- Hi.. I try to (...) (26 years ago, 5-Apr-98, to lugnet.robotics.handyboard)
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| | force sensing resistors
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I was wondering if anyone on the list has had any experience with or has a good cheap source for small force sensing resistors. I want to use them on the feet of a small walker and cant seem to find a good source for them. (26 years ago, 4-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Update and question
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At 11:58 AM 4/4/98 +0200, Jan wrote: <snip> (...) I, for one, would be very much interested to see your technique documented on a web page. That's a page I would definitely save for future reference. Please let us all know when you have it ready. (...) (26 years ago, 4-Apr-98, to lugnet.robotics.handyboard)
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| | test
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have not recieved a message from this list in close to a month... i apologize for the spam but i wanted to make sure it was still active ===...=== = coreyfro@cwws.net | "If we aren't sposed ta eat animals, | then why are they made out of meat?" ICQ (...) (26 years ago, 4-Apr-98, to lugnet.robotics.handyboard)
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| | Update and question
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Hello everybody, It's been a while since my last e-mail. Thanks for all the help so far. I've managed to connect a RadioMetrix ((URL) radio transceiver to the Handy Board. My mobile robot (using a HB) can now communicate with a remote PC using the (...) (26 years ago, 4-Apr-98, to lugnet.robotics.handyboard)
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| | CONFIG of 68HC11E2
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Hi to all ! Yesterday, I sent a very interesting text of a motorola application concerning the problem with the CONFIG reg of the 68HC811E2. Unfortunately, there is no reaction til today from anybody. This application says, that the CONFIG of the (...) (26 years ago, 4-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Troubles with dallas memory 2.
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One of the more common problems with the somewhat larger packages that the Dallas memories come in is pin bending. Remove the memory and look carefully to see if one of the pins has been bent out of shape. If you have one Hboard where it works and (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Hall Effect
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Newark Electronics sells Hall effect sensors for as little as $1.29. (Newark P/N: OH180U) For orders under $25.00 they charge an extra $5.00. There's a Newark (confirmed working address) web page at: (URL) Enjoy! de AB7HI, Stephen Lee, Federal (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Problems with CONFIG of 68HC811E2
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Hi to all ! Here a very interesting info for all, they have problems with the CONFIG of the "E2" (included myself). I found this at the motorola site (URL) Here the text: AS-79 APPLICATION SNAPSHOT PROBLEMS PROGRAMMING THE CONFIG REGISTER OF THE (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Problems with CONFIG of 68HC811E2
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Hi to all ! Here a very interesting info for all, they have problems with the CONFIG of the "E2" (included myself). I found this at the motorola site (URL) Here the text: AS-79 APPLICATION SNAPSHOT PROBLEMS PROGRAMMING THE CONFIG REGISTER OF THE (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Re:68HC811E2
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-----Original Message----- From: Mike Chang <mchang@westworld.com> To: HandyBoard <handyboard@media.mit.edu> Date: Thursday, April 02, 1998 8:19 PM Subject: Re:68HC811E2 No advanage to them (i think) because u cant use the 2k eeprom with the (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re:68HC811E2
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Hi All, I'm curious. I've been watching all the stuff come through about using a '811E2 chip in the Handyboard. My question is: What are the advantages of this? I'm using E2's in my BotBoard from Marvin Green but I moved most of my stuff to the HB (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Troubles with dallas memory 2.
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i have more info to that puzzle. I assembly two mother handy. One work fine , the other only download to a common memory, don't download to a dallas memory !!! I don't uderstand why if work in the common memory , don't in the backed memory? The idea (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 CONFIG Problem
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Hi Fred, thanks for the answer. Oh yes I try'd all, that is possible with the pcbug342 but without success. A very good tip comes now from Adrian Susianto about the "64 cycles" after reset (thanks Adrian). I remember, that I read about this in a (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Hall Effect
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Does any one know of a source for Hall Effect sensors? I know DigiKey sells them, but I just want to buy a few. I don't want enough stuff to get me upto the $25.00 minimum order. I have not been able to find them in Mousers catalog. Can anyone (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | New use for the HB
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Just thought I'd write a little note to everyone describing how we are using the HB. I've been working with Bloomington High School South in Bloomington, IN. About a year ago they decided to put together a Solar Bike Team to race in the SunRayce in (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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... but I tryed this already and without success. The hbdl loader says "Invalid CONFIG reg (0xFF) Try again" and when I check the eeprom area with PCBUG11, it is already there. I think, the E2 has a special protection for the CONFIG ---...--- Hello (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Trouble with a dalla memory .
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I have assembly a handyboard the last week , and somethings is wromg, and i can find what is the problem. This board have a dallas backed memory , so i dont use the battery pack. The memory can be removed and put in the place a common memory (don't (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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I had the same problem with an A1, in this case it was stuck at 0x0D. hbdl would NOT set the config, but I was able to do it with dl from Win95 run in full MS-DOS mode. Even this was problematical; dl would invariably hang the computer once or (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Need help finding a A1 chip.
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Try BG Micro, 1-800-276-2206, www.bgmicro.com/ . They have/had a quantity of used A1's for $6.95. You may need to clean/straighten the pins, but so far the ones I bought work. Brett Anthony Research Technician School of Engineering and Computer (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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I ran into the same problem. I was unable to set it with any of the utilities for the handyboard. I ended up using my mini-board and its download software to correctly set the register. I don't know why it worked. Andy hobbytec@cas.auracom.com (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Servos
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(...) This won't work, as the servo's require a one-shot, not a variable duty cycle type of pwm (like what comes from the motor drivers on the HB). ie. the width of any given pulse is not consistent, just the overall duty cycle. RC servo's require a (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Thanks John, but I can't believe that, it must be a way there, to alter the CONFIG register ! Erwin (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Hi Quinn, You are right, my CONFIG is also at 0xFF and try'd all to alter it but without success. Thanks Erwin. (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Thanks Clancy, but I tryed this already and without success. The hbdl loader says "Invalid CONFIG reg (0xFF) Try again" and when I check the eeprom area with PCBUG11, it is already there. I think, the E2 has a special protection for the CONFIG reg. (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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No I can't believe that the config register is unchangeable, because I own a single 68hc811e2 that has a correct config, but 12 others that dont, also these are used in the miniboard pre handyboard? with a config set at 0d, if i remember my old (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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(...) My advice, don't waste your time, i spent about a year trying to figure that out and never got the config register changed to anything useful, and I also contacted motorola about 5 times and no tech person there could get it changed either. (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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-----Original Message----- From: E. Baeck <erwin.baeck@styria.com> To: Handy Board Mailinglist <handyboard@media.mit.edu> Date: Wednesday, April 01, 1998 10:50 AM Subject: 68HC811E2 (...) sounds like my chip. Is your config Register stuck at 0xFF (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Working with a different compiler
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Jaron, Does the compiler provide LCD driver for HB or you ported the code to this compiler ? -Pandit (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Need help finding a A1 chip.
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Hi All, I have come across a RugWarrior board that I think has a bad uC chip. I don't want to pull the chip form my HB to test it just in case I'm wrong. (turn one working and one not into two not) My question is where can I find another 68HC11A1FN (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Servo Controller
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It needs an async. serial interface with 8bit no parity. You can you the utility posted at HB site for driving one of the digital output to work as async. serial interface. -Pandit ---...--- (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Denning Branch Mobile Robotics
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Yeah, I tried calling this number and some other numbers of representatives I obtained about two years ago. None of the number worked, though. Did they go out of business? ---...--- ericson mar Master of Engineering Candidate Project: Mobile (...) (26 years ago, 1-Apr-98, to lugnet.robotics.handyboard)
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| | Servo Controller
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Has anybody use Lynxmotions MiniSCC II servo controller with the handy board? Can it be controlled from a digital output, or does it require a serial port with RS232 levels? (26 years ago, 1-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Working with a different compiler
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some of these questions are answered in the "i am using my own C compiler/what is the memory map of the handy board" entry in the FAQ. after reading this, please make sure you review the FAQ, because there is more information there. here are some (...) (26 years ago, 1-Apr-98, to lugnet.robotics.handyboard)
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| | Working with a different compiler
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Hi all, I managed to get the TASKING (Whitesmiths) 68HC11 optimizing C compiler, debugger and simulator for use with the Handyboard. Thrilled at first I now realize I leave the safe Interactive C path and wander of in the dark. I would like to get (...) (26 years ago, 1-Apr-98, to lugnet.robotics.handyboard)
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