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 | | trouble with memory
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| Dear Fred Martin, I'm in deep deeeep trouble! A few weeks ago I first read about your handyboard and was very excited about it, because I was looking for a controller board for my autonomous vacuum cleaner. So I ordered the PCB from Douglas (...) (27 years ago, 11-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.029)
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| | Intial Download Problems
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| Fred and others, I wrote before saying that my HB is not able to execute IC. Fred wrote back with the idea of it being related to the 68HC11, the memory or the 74HCs. Since I am not the richest of all college students, I am not able to just buy a (...) (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
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memory
(score: 1.029)
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| | Re: trouble with memory
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| well, the dim flashing of either yellow charge LEDs should not worry you. all this means is that the Handy Board is drawing some power. if you have the wall adapter plugged into the Interface/Charger board, simply switch it to "Zap" mode. now, onto (...) (27 years ago, 11-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.028)
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| | Error in FAQ
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| While looking through the FAq I noticed what I think is a mistake - could you check ? In the memory map it says: Expansion I/O Bank 2 $6000-$6999 Reads Enable Y3; writes enable Y5 surely this should read : reads enable Y4, writes enable Y5. Can you (...) (27 years ago, 20-Nov-97, to lugnet.robotics.handyboard)
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memory
(score: 1.027)
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| | Re: Non Volatile Memory 2
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| Should be. You can probably find the power requirements from the manufacturere of the ram chip on the internet. Or if not, call the maunafacturer up and ask them to send you specs. ---...--- ericson mar Master of Engineering Candidate Project: (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.027)
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| | Re: Non Volatile Memory 2
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| Cypress has their datasheet online. Look for cy62256 at www.cypress.com. If you just want a shortcut to backed up RAM, you might investigate Dallas Semi's smartsocket DS1213. Simply replace the socket with DS1213 and piggy back 62256 on top. You (...) (27 years ago, 30-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.027)
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| | Non Volatile Memory 2
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| What are the power requirements of the battery backed RAM and would it be possible to set this RAM up with a lithium battery similar to a PC so that the RAM would hold its memory for several years? (27 years ago, 28-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.027)
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| | Memory Stats
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| I recently attempted a download of code from IC-3.1 to a Handy Board, including some large arrays and other global variables. I then got an error message that there was an apparent conflict because I had used too much space. While I cleaned things (...) (27 years ago, 2-Feb-98, to lugnet.robotics.handyboard)
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memory
(score: 1.027)
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| | Handyboard problems
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| We've encountered a problem with our Handyboard that we hope the list may be able to help solve. It all started with the "Normal/Zap" switch on the charger board, which was somewhat loose. It wiggled whenever we changed the setting. After a couple (...) (27 years ago, 26-Nov-97, to lugnet.robotics.handyboard)
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memory
(score: 1.026)
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| | Re: Touch memory From Dallas...
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| (...) If you're just interested in sample code, check out: ftp://ftp.cmf.nrl.na...lib.tar.gz Code to talk the Dallas One-Wire protocol is included. Also included is sample C code that implements the bus discovery protocol. It's actually pretty easy (...) (27 years ago, 5-Jan-98, to lugnet.robotics.handyboard)
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memory
(score: 1.026)
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| | Re: Handy Board PWM Routines
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| (...) <snip> LDAA speeda ; rotate bits in motor speed ASLA ;Rotate the speed bitmask one bit position. BCC SPDoffA ;Did we set the carry flag by shifting a "1" out ; of the MSB of the register? ADDA #1 ;We pushed a "1" out of the register, better ; (...) (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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memory
(score: 1.026)
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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 (...) (27 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.026)
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| | (no subject)
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| EAS is now taking orders for the Finger Board, a very small 68hc11 micro controller board with memory and I/O selects compatible to "Handy Board". You can easily design custom interface circuitry for it by using standard prototype boards. It runs (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.026)
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memory
(score: 1.025)
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| | Pcoder22.s19
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| Hi, Would like to know if the pcoder22.s19 could be relocated to other part of the memory. Current is at $C000~$FFFF. Is there an assembly file .asm for the pseudo code? Regards (27 years ago, 30-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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| | Expanding the memory of the handyboard
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| A number of students that used the handyboard in our Mechatronics competition needed substantially more memory than the 16,320 bytes currently available. What options are there to add memory to the handyboard? Thanks to everyone who contributes to (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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| | Newbie user of imagecraft c.
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| Is the assembler of the ICC11 fully comaptible with the as11 assembler??? I have messages of error with that sentences: asm("PORTA: EQU $1020"); asm("PORTB: EQU $1004"); asm("PORTC: EQU $1003"); asm("HPRIO: EQU $103C"); asm("DDRC: EQU $1007"); (...) (27 years ago, 26-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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| | Re: Digital outputs.
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| (...) G> Wich are the options to have 3 digital outputs in the handyboard? G> No matter if i have to do little modifications to the Hardware. I G> already know how to conect the keypad if you can tell me how G> obtain 3 outputs.. :) Handyboards are (...) (27 years ago, 31-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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| | M68HC711E9
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| I have a Handy board . I want to remove the battery backup for the 32K RAM. This board have a 68HC11A1FN , i have the great idea of replace that with and put my code into the 12 K EPROM of the 68HC711E9. The question is , can be remapped that EPROM? (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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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 (...) (27 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.023)
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