 | | Re: somewhat off topic, but...
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Repost to proper newsgroup... ===...=== I'm NOT biased because I DIDN'T write the thing... Forth is a wonderful language that has a proven track record. I don't use it in my job simply because management has never heard about it. I don't mean to (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: latest legOS strangeness
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(...) I may be wrong - 'my' RCX is actually my brother's, and is 3 hours drive away - but doesn't the remote control with the official firmware do float when buttons released, but brake if forward and reverse are pressed together? Max (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
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| | Re: somewhat off topic, but...
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I'm NOT biased because I DIDN'T write the thing... Forth is a wonderful language that has a proven track record. I don't use it in my job simply because management has never heard about it. I don't mean to imply that languages are chosen by (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
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| | Re: latest legOS strangeness
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(...) is (...) Not really.. braking using the current generated by the motor (acting as a generator) once the power is removed from it. H-Bridge has what is called a break bit. The break bit simply shorts the two terminals on the motor together, (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
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| | Re: latest legOS strangeness
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(...) Maybe make this selectable with a build option? The bad thing about brake is that it actually draws current (=reduces battery life) ROSCO (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
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| | cygwin error
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i got this error while trying to setup legOS 0.2.6 i'm running windows XP scott@FAMILYCOMPUTER /legos-0.2.6 $ make depend for i in util lib boot demo ; do make - --unix NODEPS=yes -C $i depend || exit 2 ; done make[1]: Entering directory (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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| | Re: latest legOS strangeness
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I was torn between 'float' and 'brake' when implementing the remote control handler. I eventually opted for 'brake' since that is how the Lego RCX firmware does it. With regard to the strange motor behavior. I too noticed this while debugging the (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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| | Custom ROboloab Investigator projects
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does anyone know of any documentation on creating custom projects for use in robolab investigator? the manual at the tufts site ((URL) suggests such a thing exists but i haven;t been able to track it down asa yet TIA tony (22 years ago, 16-May-02, to lugnet.robotics.rcx.robolab)
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| | Re: latest legOS strangeness
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(...) Nope, shorting the motors has no effect on the batteries actually.. when you spin the motor, it acts like a generator... by shorting out the motor you are actually using the motors own reverse emf (electromotive force) to brake system. I (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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| | Re: latest legOS strangeness
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(...) To ansswer my own question. The problem was caused by memory corruption. In this case the memory corruption was caused by downloading a very large program in slot 1, and a small program in slot 7. The loading of the program in slot 1 seems to (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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