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 | | RE: expansion board - servo control
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| -----Original Message----- From: shsc9801@condor.stcl...dstate.edu [mailto:shsc9801@con...state.edu] Sent: Monday, December 21, 1998 1:39 PM To: handyboard@media.mit.edu Subject: expansion board - servo control Hi, I stopped working with the (...) (26 years ago, 21-Dec-98, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | Re: LDLite and memory (or lack thereof)
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| (...) I've been having a lot of problems with this also... I'm running with 48 MB of RAM and I still can't open multiple windows, or even run LDLite while something like Netscape is running in the background. I have to close all other apps to use (...) (26 years ago, 28-Jan-99, to lugnet.cad)
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memory
(score: 0.985)
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| | H8 bit operations (was Re: GNU C wizards?)
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| (...) After looking into it further, if the compiler has the address in a register (or will use it more than once so it will load it in a register), it does use the bset/bclr instructions. However, there is this in h8300.md: ;; Bitfield operations (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
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memory
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| | Re: IR Tower
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| (...) Look at the Hitachi H8/3292 documentation -- it has all of that for you. Briefly, ROM is 0x0000-3FFF, external address space is 0x8000-0xFB7F, internal RAM is 0xFD80-0xFF7F, external address space is 0xFF80-0xFF87, and the peripheral register (...) (26 years ago, 23-Dec-98, to lugnet.robotics)
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memory
(score: 0.985)
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memory
(score: 0.985)
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memory
(score: 0.985)
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| | Re: legOS problems
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| (...) How are your batteries? I've found out that with my CyberMaster and with almost spent batteries, when a motor worked with a bit more load than was supposed, the unit shutdown entirely and it loose all memory in the process. Because it's a RCX (...) (26 years ago, 26-Dec-98, to lugnet.robotics)
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memory
(score: 0.985)
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memory
(score: 0.985)
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| | RE: Memory
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| I posted this link to a book on sensors and effectors for robots. This book, which you can download for free, contains nearly 300 pages with *great* illustrations. It's a pretty weighty tome, though (comes in at over 13.5MB, but is in PDF (Adobe (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.985)
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| | Re: Voltage or resistance
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| I'm joining this thread a little late, so sorry if any of this has already been stated... For "passive" sensors, the RCX measures a voltage level, but since there's a pullup you may not get what you expect. If memory serves, the RCX ADC uses a 5.0V (...) (26 years ago, 27-Dec-98, to lugnet.robotics)
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memory
(score: 0.985)
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| | nonvolatile memory
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| Does Anyone know how to modify the handy board so that when the battery is disconnected the memory on the board is not lost? In short I want the HB to have nonvolatile memory so that I do not have to reload the pcode in bootstrap mode every time the (...) (26 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | RE: Memory
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| I concur with Jonathan's recommendation on the Flynn/Jones book. It is very well done, it is thorough, and it is a pretty good introduction to robotics. I built the Rug Warrior Pro mentioned in the book without prior practical knowledge of robotics (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.985)
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| | RE: Memory peripheral device
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| (...) Sure it can, provided: -you can get the voltage output to be in a respectable range for the HDD (solved by changing battery power to output chips) -you can write a driver using the necessary digital inputs/outputs as necessary (hard but (...) (26 years ago, 10-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | Re: LDLite and memory (or lack thereof)
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| Well, I tried this on my home computer and it worked just fine. I wonder why it won't work at the office. Maybe the LAN software hogs some DOS memory, I don't know. -John Van John VanZwieten wrote in message ... (...) (26 years ago, 29-Jan-99, to lugnet.cad)
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memory
(score: 0.985)
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| | Need Handy Board memory debugging software
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| Gentlemen: I'm having a bit of trouble with my handy board's display. The board itself works, and I've swapped out old display for a new one. I suspect the memory or transparent octal addressing latch to be at fault. I understand you've memory (...) (26 years ago, 22-Feb-99, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | Re: Memory
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| Hi Ryan, My standard recommendation is _Mobile Robotics, Inspiration to Implementation_, by Anita Flynn and Joe Lee Jones: (URL) see my previous post on this subject, which contains a mini-review: (URL) let it "leak" here that I am working on a book (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.985)
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| | Re: legOS - Does it work for you?
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| (...) You may still have a stack overflow issue, since if your malloc replacement doesn't maintain pointer chains you may not notice if memory gets trashed. John A. Tamplin Traveller Information Services jat@Traveller.COM 2104 West Ferry Way (...) (26 years ago, 31-Dec-98, to lugnet.robotics)
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memory
(score: 0.985)
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memory
(score: 0.985)
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| | Re: LDLite and memory (or lack thereof)
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| (...) It must be something with your setup John. I just tried it with an LEdit window and two LDLite windows open at the same time, no problem. And it is not horsepower, as I am on a P133 with 48megs. -- Terry K -- (26 years ago, 29-Jan-99, to lugnet.cad)
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memory
(score: 0.985)
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| | Re: LDLite and memory (or lack thereof)
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| (...) As I said to John in the other reply, I have no problems. In addition to the ledit and 2 ldlite windows, I also had Netscape 3, FreeAgent, and Winamp all running at once. There _must_ be a setting somewhere that is giving you guys problems. -- (...) (26 years ago, 29-Jan-99, to lugnet.cad)
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memory
(score: 0.985)
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