 | | Reactivating HB
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After not having used the handyboard for half a year I'm trying to get it going again. The problem is: when connected to the battery (but turned off and all sensors and motors are unplugged), it draws about 0.15 amps After about a minute or two, (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
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| | Reactivating HB
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After not having used the handyboard for half a year I'm trying to get it going again. The problem is: when connected to the battery (but turned off and all sensors and motors are unplugged), it draws about 0.15 amps After about a minute or two, (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Down loading IC
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Hi, This is in addition to the message by Mr Hui Pak from the Hui Pak Robot Store in Hong Kong. <And I got HB from him too...> In order for you to do a successful bootstrap downloading, press the "stop button" and at the same time, switch the board (...) (26 years ago, 1-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Multi dimentional Arrays
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Hi all, I have decleared the arrays as static and it worked. Thank you Rick for your help. Thanks also to Will for his help. Kind Regards Sincerely, Javaid Iqbal (26 years ago, 1-Oct-98, to lugnet.robotics.handyboard)
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| | Re: output to file
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Yes, Write a dos/windows client that reads the serial line and then writes it to file using the C stdio library. -----Original Message----- From: Keith - Lui <luikeith@egr.msu.edu> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
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| | Re: IC Programming.
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(...) Converting between types is called casting, and it goes like this: float f = 4.6; int i = (int) f; /* should assign 4 to i, I think */ f = (float) i; /* ought to assign 4.0 to f */ I'm not certain, but usually casting a float to an integer (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
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| | output to file
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Dear all, I would like to output some HB data to a file, is that possible? Keith (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Down loading IC
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Patrick, Plugged the board into COM1 and all ok - strange as I use a modem in COM2 and this runs OK. Thanks for the advice Andy Burton <Have you tried to download the IC in COM1? <Download mode is the same as bootstrap mode where both LEDs (Red and (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Running Assembly Programs
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(...) On the 6.270 board I run an application that is mostly timer interrupt handlers and motor drivers all written in assembler. I took the assembler off of the MIT site on Cher and I wrote a small C main program that calls into the assembler and (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard, lugnet.robotics)
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| | RE: HB Serial Communication ("network style" cable?)
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Where do I get the "network style" cable to hook the 2 HBs together. -----Original Message----- From: Fred G. Martin [SMTP:fredm@media.mit.edu] Sent: Monday, September 28, 1998 10:44 PM To: Peter Eacmen Cc: 'handyboard@media.mit.edu' Subject: Re: HB (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
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| | RE: nvram
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Off course !!! I´m using that memory from dallas about a year to date. works excellent. Maybe sometime have some problems with some 68hc11. I just replace that micros and alll work well. I think (is posible) a little different impedance affect the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | SR100: IR sensor IC for sale
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(...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Running Assembly Programs
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I am taking a course on HC11 assembly. I wanted to know how I can use the Handyboard (and the Miniboard, I have both) in this class. The course uses the Mot EV board and they use the PCBUG11 for everything. Please tell me the procedures and the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard, lugnet.robotics)
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| | multitasking using start_process();
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I've read through the maunual for the Handy Board, and I am aware that the handy board has multitasking capabilities. The manual says that the function: start_process(...) is the function to use to have the handy board multitask. WHERE is this (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Multi dimentional Arrays
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(...) I don't know how big the IC stack is, but I suspect you are overflowing it because you're allocating the array on the stack. If it's an array of floating point the 10x10 array will be at least 400 bytes, and most likely larger. Try allocating (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Down loading IC
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Burton, Andrew wrote: <snip> (...) For some unknown reason, com2 would never work properly for my HB, either. As soon as I tried it in com1, though, everything worked fine and has worked ever since. You might give it a try. Good luck. --Will , , (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Multi dimentional Arrays
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(...) <snip> You might try using a one-dimensional array of size 100, along with a simple indexing function to simulate a two-dimensional array: int myarray[ 100 ]; int index( int row, int col ) { return 10 * row + col; } void main() { int i = 0, j (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | IC Programming.
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Hi all, Does anyone know how to convert floating point variables to integers in IC? I want to use the control the motor using an algorithm. However, that algorithm always return a floating point number, and motor(m,p) can only use integer p. Keith (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Lego Mindstorms
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Has anybody got one ?. If so what's the programming aspect like. Thanks in advance. John Hatton john_hatton@bigfoot.com (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Down loading IC
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Hello, You have to download the IC in download-mode again. All memory (32K volatile SRAM) will be lost after you disconnect all the power from the board. However, if you just turn-off the power (without removing power adapter or batteries) of the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Does Karl Lunt's SBASIC work with HB?
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Hi all, I just read a great article from Karl Lunt in a robotics magazine about beginning programming (exactly where I am) and the 68HC11. He mentioned that he has a basic compiler that you can download from his site. Does anyone know if this will (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | nvram
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is it posible to use an NVRAM lets say dallas a 32K in place of the regukar RAM to load the program and run it from there with out having to continually loading it?? thanks in advance FRED (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Multi dimentional Arrays
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Hi All, I am trying to write a code for fuzzy logic and using Matrix havig a size of 10X10, but it gives an error (stack overflow). When i reduce the size of matrix to 6X6 it works perfectly.I am using IC 3.0. Can I use a matrix having a size (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Down loading IC
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Help please, I have just bought a pre-assembled Handy board, powered it up connected it to com2 on a dos PC and successfully downloaded IC. The problem now is that after that I disconnected all power to the board(including batteries), powered the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Re: HB Serial Communication
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yes, but you have to use the atypical "network style" cable if you are plugging two HB's together. see (URL) more info. f. In your message you said: (...) nt's serial code? (...) een two HBs and one of them turned off and smoke came from around the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | Running Assembly Programs
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I am taking a course on HC11 assembly. I wanted to know how I can use the Handyboard (and/or the Miniboard, I have both) in this class. The course uses the Mot EV board and they use the PCBUG11 for everything. Please tell me the procedures and the (...) (26 years ago, 29-Sep-98, to lugnet.robotics.handyboard)
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| | HB Serial Communication
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Hi, Is it possible for 2 HBs to communicate via the serial port using Randy Sargent's serial code? ((URL) not too smart in electronics so I plugged a standard telephone cable between two HBs and one of them turned off and smoke came from around the (...) (26 years ago, 28-Sep-98, to lugnet.robotics.handyboard)
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| | Re: My reset blues
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I had the same trouble with the reset thing. In the manual it states that resetting the board is simply turning the board on and off, this should work. I've had the same trouble you've had. The thing that was impeding me was the fact that I was (...) (26 years ago, 28-Sep-98, to lugnet.robotics.handyboard)
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| | Help with electronic components.
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Bonjour from france, I am a french user of the handyboard. I work in computing but I don't know many things about electronic (a minimum). I bought my HB by Gleason Research with the "Sensor/Motor Kit" and I first did a LEGO based robot. I am now (...) (26 years ago, 28-Sep-98, to lugnet.robotics.handyboard)
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| | +5v power supply dilemma
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I have been attempting to run a circuit of my own design which requires both a 9.5-14v DC supply and a 5v DC supply from a 9.6v NiCad. I run the 9.6v straight to the part of the circuit which requires that voltage and that works fine. I then take (...) (26 years ago, 28-Sep-98, to lugnet.robotics.handyboard)
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| | Controlling motor speed/frequency
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hi all does anyone know if there is a way where we can increase the output frequency of the motor PWM output? i did a test by typing " motor(0,50) " and connecting a probe to Motor 0 +ve and to the L293D gnd pin respectively. the reading on the (...) (26 years ago, 28-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Handy Board newbie looking for ways to expand digital I/O
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Try this: (URL) for up to 3 more 8 bit ports identical to the motor one. Thanks, Joe Hoffmann E-Mail jhoffman@it.sait.ab.ca (...) (26 years ago, 27-Sep-98, to lugnet.robotics.handyboard)
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| | My reset blues
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Hi all, I have problems running my program after downloading it to my HandyBoard. After what Maz Rahm (thank you very much Maz Rahm) replied to Keith (thanks to you too Keith) that in order for the program with the main function in it, to run, I (...) (26 years ago, 27-Sep-98, to lugnet.robotics.handyboard)
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| | Handy Board newbie looking for ways to expand digital I/O
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Hi all, I've started playing with the Handy Board last week and needed more digital outputs then provided. After a quick look at the schematics, FAQ's and the manual, I decided to disable the motor circuitry and use the latch mapped to address 0x0e (...) (26 years ago, 27-Sep-98, to lugnet.robotics.handyboard)
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| | Re: IC for the Commodore 64?
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(...) Damn! I can't laugh. :) .---...--- . . . | Remi Desrosiers | "My Youth in Arcadia" ICQ# 7228856 | harlock@videotron.ca . remi.desrosiers@polymtl.ca . . (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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| | Penn State TrailBlazers Contest
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Hi, If you are a student robot builder in the Philadelphia area (or anywhere for that matter), you may want to check out our new robot contest scheduled for Sat, Dec 5, 1998 at the Penn State Abington location. It is called "Robo-TrailBlazers" It (...) (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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| | IC for the Commodore 64?
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Don't laugh, but is there a version of Ic for the C-64? ---phil (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Multitasking problems
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(...) <snip> (...) I think I know what the problem is: Putting a start_process statement inside a loop like that is going to end up starting so many processes that the stack fills up almost instantly. I think you probably only need a single IRCheck (...) (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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| | Multitasking problems
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HELP!! I keep getting this message whenever I try to multitask with my board: "Not enough stack memory for new process while executing main (process # 1)" The only things loaded are the hb libs, my code and the sony ir routines totally nowhere near (...) (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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| | Re: HB controlling robot.
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I had the same trouble, all you have to do is specify a main() function in your ".c" file example: void main() { fd(1); msleep(100L); off(1); } this function will run once the handy board is turnned on. (...) a (...) and (...) to have (...) time. (...) (26 years ago, 26-Sep-98, to lugnet.robotics.handyboard)
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