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I've successfully implemented an idle powerdown into the legOS kernel. On more than one occasion I have left my RCX on overnight, resulting in the need to buy a new set of batteries. The tricky part was doing a successful powerdown from within the (...) (24 years ago, 13-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: Multiple RCXs
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If the functions you wish to perform can be done in simple tasks you could probably program each RCX to recognize a specific range of message numbers. In this way, a 'function' on the RCXs can be 'invoked' by the PC by having it send a specific (...) (24 years ago, 12-Aug-00, to lugnet.robotics.rcx.legos)
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| | Linux & RCX mini-HOWTO- comments/thoughts?
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Hi, everybody- Because I'm sick of Linux people telling me "I thought you couldn't use the RCX with Linux" I've put together a mini-HOWTO (for eventual inclusion in the Linux Documentation Project archives) on the use of Linux and the RCX. So far, (...) (24 years ago, 12-Aug-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: questions, comments, and suggestions
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(...) If you don't find it defined in gcc-2.95.2/config/h8300/*, then yes. Eddie C. Dost ecd@skynet.be (24 years ago, 12-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: questions, comments, and suggestions
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(...) only (...) Do you know if RCX_COMPILER patch need to be used in GCC 2.95.2 cross compiler too? (...) Fixed right now. I'm ready to commit. (...) indicator (...) could (...) It will be changed in 0.2.5, but two notes: 1) The counter is in ms. (...) (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS Addressing - Packet Handler
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(...) Semaphores: You said you installed Linux, try "man sem_post". Also kernel/program.c is a good reference for a semaphore use. A more complicated example is the tx_sem in kernel/lnp-logical.c and kernel/lnp.c. Eddie C. Dost ecd@skynet.be (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS Addressing - Packet Handler
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Thanks Eddie, Sorry for posting a message I should have known the answer to. I'll have a look at the semaphore example. If anyone knows of a good refence for semaphore programming could they please let me know?Its taken me a while to get into the (...) (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS Addressing - Packet Handler
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(...) Take the sleep(1) out of the code! The function addressHandlerPortOne() is called from an interrupt, so you must not call any function which might cause a reschedule (which sleep() definitely does). You can do all this by having a separate (...) (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: getting started with java and rcx
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(...) many (...) my (...) is (...) keep (...) In TinyVM Unix/CygWin edition, you might want to run the examples, and make changes to them. Right after you unzip the distribution, you can go to the installation directory and run: make (Completes (...) (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.java)
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| | LNPD on Linux - Thanks for all the documentation
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Hi All I've just installed LNPD on Linux and have it up and running. (In the past few hours, I have installed and configured Linux as a LAN workstation, built the egcs and binutils, installed and compiled legOS and finally compiled and linked liblnp (...) (24 years ago, 11-Aug-00, to lugnet.robotics.rcx.legos)
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