 | | Re: analog encoders
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(...) Mar, I ran into these warnings when I was modifying sencdr0.asm. They do in fact show a bug in the assembly code, but it's harmless. If you like gory details, here they are: Near the beginning, the file defines these constants: BASE EQU $1000 (...) (26 years ago, 14-Apr-98, to lugnet.robotics.handyboard)
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| | Are these codes proprietary
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Hi: I was wonderig if the codes such as analog(), digital(), process() etc are proprietary. If not how can I see the C/assembly version of them. I need them to learn how Motorola 68hc11 assembly works and also I am a bit curious. Any help would be (...) (26 years ago, 14-Apr-98, to lugnet.robotics.handyboard)
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| | Are these codes proprietary
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Hi: I was wonderig if the codes such as analog(), digital(), process() etc are proprietary. If not how can I see the C/assembly version of them. I need them to learn how Motorola 68hc11 assembly works and also I am a bit curious. Any help would be (...) (26 years ago, 14-Apr-98, to lugnet.robotics.handyboard)
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| | Are the codes proprietary
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Hi: I was wonderig if the codes such as analog(), digital(), process() etc are proprietary. If not how can I see the C/assembly version of them. I need them to learn how Motorola 68hc11 assembly works and also I am a bit curious. Any help would be (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: re-download problem
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Try turning off the board and holding down the start button while re-powering the board. Hope it works for you. Terry P. Gathright ---...--- (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: re-download problem
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Hold down the START button while powering on. This will prevent the board from running main(). Fred In your message you said: (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Servo Routines
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When I see the servo chatter, the knob is returning the same value. In fact I can just set a constant unchanging value without using the knob and get the chatter. I've tried this on two HB's and get the same results. The servos are small Futabas. (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Servo Routines
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can you ascertain whether the knob is returning the same value every time through the loop? i wasn't clear if "even when the knob is not changing" meant just that you weren't turning the knob, or whether you were sure it was always producing the (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | re-download problem
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I forgot to unload the program that I was running on my handyboard before I quit out of ic. and it won't let me putting the board on bootstrap mode. as soon as I power up the board, it starts running the last program. can anyone tell me how to clear (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Servo Routines
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Question. I've been playin with the servo routines available from the HB page. One thing I've noticed. The servo's seem to chatter a lot. Is this normal. A routine that does nothing but loop, read the knob and output a value based on the knob to the (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Vector V2x Compass
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Hi Armeen, I have the same problem as you. I thought my HB was faulty or it doesn't work with the 68hc11E processor I use or something. So what I did was: I wrote a very simple IC-Routine. You have to load this program with "load v2x.c" and call the (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 16 digital outputs as Fred suggested
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1. please read the Appendix B documentation in (URL) explains this in more detail than the FAQ. 2. you must the even-numbered Yx signals for output latches. Since Y6 is taken (by the on-board latch for the motor drivers), you're left with Y0, Y2, (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Help - Cannot download!
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try using DL.EXE (part of the Interactive C distribution) after following the serial port options directions given the FAQ (under downloading problems). fred In your message you said: (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Vector V2x Compass
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Hello: I have a V2x compass and I was trying to hook it into my handyboard using Tom Brusehaver's .icb, .c and instructions as described in the contributed section. I have also grounded the M/S pin on the compass. The EOC pin is sent to the HB thru (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | Analog Encoders
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Hi, when I compile fencdr0.asm, I get "xxxjunk.c"(68): Warning --- Value Truncated "xxxjunk.c"(70): Warning --- Value Truncated "xxxjunk.c"(68): Warning --- Value Truncated "xxxjunk.c"(70): Warning --- Value Truncated Does everyone else get this (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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| | >1A adapter?
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Hello folks, I am currently using the HB to control a robot tethered to a PC (via the serial/charger board), as I'm using genetic algorithms to evolve controllers. The robot pulls about an amp (with motors, servo, sonar etc.), and I'm running it off (...) (26 years ago, 12-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Multitasking (fwd)
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I duno... I fergot. Sorry. :( It was a long time ago (milage-wise). I didn't use that method of mutitaking anymore and I didn't save the old code. But, I don't think so, I can't imagine that would be my style. I would set a global variable from (...) (26 years ago, 12-Apr-98, to lugnet.robotics.handyboard)
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| | 16 digital outputs as Fred suggested
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Hi guys, I needed 16 digital outputs for my handyboard, so I put up a very simple expansion board the way Fred suggested in his handboard FAQ: I connected two more hc374 with their d-inputs to LCD-display's data bus (d0 - d7). Then I connected the (...) (26 years ago, 12-Apr-98, to lugnet.robotics.handyboard)
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| | Rere: Smooth PWM in IC 3.1?
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At 08:17 PM 4/11/98 -0600, I wrote: <snip> (...) <snip> Correction: You'll also need Julian's lib_hb.c to go with it. Again, rename your current version first so you don't overwrite it. Put the new one in the libs directory where the old one was, (...) (26 years ago, 12-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM in IC 3.1?
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(...) Yes, it is possible. It must be, 'cause I've been doing it. You simply need to download Julian's pcode_hb.s19 (rename your other one first) and put it in the IC31\libs directory (or whatever you call it). IC 3.1 ought to automatically load it (...) (26 years ago, 12-Apr-98, to lugnet.robotics.handyboard)
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| | Re: SPI?
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(...) this is correct... (...) but this is not. the Handy Board communicates with the desktop computer using the SCI: serial communications interface. The SPI is for high speed (up to 1 megabaud) sychronous (i.e., separate clock signal) transfer to (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Re: SPI?
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(...) What Hacker said, but also, there's a 2x4 female SPI header on the HB just above the power jack that allows you to hook up other serial devices to the HB (like other HB's, memory, etc.) It's shown in the HB Tech. Reference and there are (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Smooth PWM in IC 3.1?
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I apologize for asking a question I think I've seen answered, but I can't find it in the mail archives. Is it possible to use Julian Skidmore's smooth PWM routines with Newton Labs' commercial IC 3.1? Since they use a different version of pcode.s19 (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Multitasking (fwd)
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Does your while loop have a break(); statement. I have an idea that this may be necessary in some situations. -----Original Message----- From: MAR ERICSON [SMTP:mar@cooper.edu] Sent: Monday, 6 April 1998 8:46 To: Handy Board mailing list Subject: (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Re: SPI?
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CLANCY, It is the Serial Periperal Interface Handles Serial Data transmission out/in the 68HC11. I.E.the Handy Board uses an SPI for downloading data from the Desktop machine. (...) Charles Hacker School of Engineering Griffith University - Gold (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Re: setting an output
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You mean SPI outputs? Yes, check the HB HP FAQ under something like... "...digital outputs...?" ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | setting an output
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Does anybody know if it's possible to make a pin high and then leave it high until I send another command to make it low? or will I have to set up some sort of external bistable flip flop that will save the state? I assume I would have to use some (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Vector 2x and Polaroid Sonar
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Hi All, I currenty have the Sonar connected to my Handyboard and it is great. I am interested in purchasing the Vector compass. Has anyone got both working together, it seems they both use the same SPI ports or the same pin 2 on the motor chip. Any (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Help - Cannot download!
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I wonder if any of you have had this problem before, but when I try to download the pcode_hb.s19 to the handyboard, it seems to download okay....however, when I power-cycle the board, it still acts if I didn't download anything - LCD is blank, (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Re: dc motor blues
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yup, here's what's going on. the motor percent argument controls the POWER, not the speed. if the motor is essentially unloaded, it will run at nearly full speed even at a low power percentage. if you build a gear train that makes the motor do some (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | dc motor blues
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After driving all my robots with step motors, I finally decided to try driving one with DC motors. I got a couple of the lego gearmotors, and mounted them on my robot with belts driving the wheels at a reduction ratio of about 1.5:1, and have been (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Vector 2x and Polaroid sonar source
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(...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | CONFIG reg of "E2"
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Hi to all ! Last week, I sent a interesting text of a motorola application (found at (URL) concerning the problem with the CONFIG reg of the 68HC811E2, unfortunately, there is no reaction til today. This application says, that the CONFIG of the "E2" (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Sat, May 2: Robotic Park kids exhibition / robot show
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Hi all, Anyone in the southern New England area will be interested in the Rhode Island School of the Future's annual "Robotic Park" exhibition of kids' robotic creations, to be held Saturday, May 2, 1998 at the Peace Dale Elementary School in (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | yacc stack overflow
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What exactly is a yacc stack overflow? I wrote somemore code to my nifty lil program involving adding more else if statements and it wont let me compile. Does anyone know what a yacc stack over flow is? How do I fix this so it will compile my (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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CRAPOLA! NEVERMIND! I was wrong and thinking of the bridged version (the one I use here. . .) SORRY, MY BAD. Each socket on the handyboard will control 1 (ONE, UNO, UN. . .) Wirz _non-bridged_ 18200 board. Since the non-bridged version can control 2 (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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With the non-bridged board, each socket will control 2 boards. So for board 1, you'll connect to pins 1 and 2 in the socket, and for board 2 connect to pins 9 and 10. The other pins you can do as you please (for the brake, current sense, and thermal (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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I think I am a little confused by the wording of this. I am using the non-bridged board, so 1 socket on the HB controls how many boards? Thanks for all your help. Really appreciate it! Mike ---...--- <excerpt><fontfamily...param>YES. Take the (...) (27 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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Oh yeah, just use the regular motor IC routines. Plug and play! -=Scott Date sent: Wed, 8 Apr 1998 14:14:36 -0700 To: handyboard@media.mit.edu From: "Michael S. Reiling" <macman@inreach.com> Subject: LMD18200 (...) (27 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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<FontFamily><param>Courier New</param>We've used the Wirz boards with great success here at Washington University. I can answer both of your questions at once, since they're the same thing. YES. Take the drivers off the handyboard, because now the (...) (27 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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