 | | Re: LNPD problem
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At times I have experienced some issues wth using lnp; I was generally able to improve or elliminate the problem by increasing the packet_handler task priority... or lowering all other tasks to be less than the packet handler. (This includes kernel (...) (22 years ago, 4-Dec-02, to lugnet.robotics.rcx)
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| | Re: LNPD problem
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Hi Pieter, I'll take a shot at it... It's possible you may be experiencing a transmission problem on the RCX side. That's not to say that your RCX can't transmit IR data correctly... obviously it can since you are able to download BrickOS and that (...) (22 years ago, 4-Dec-02, to lugnet.robotics.rcx)
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| | LNPD problem
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Hi there, I still don't manage to send any packages from the rcx to the PC. I attached the client and the "receiver program" and here is a fragment of the lnpd log: 148032:Client > connection 1 from host 127.0.0.1, port 33485 148039:Logical > (...) (22 years ago, 3-Dec-02, to lugnet.robotics.rcx)
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| | Re: Motor Control Register (0xf000) and Memory Space 0xFDB0-0xFD7F
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This note is of interest to people who build their own RCX firmware. It provides some additiional insight to the recent post concerning dual use of upper memory range and the motor control register. There's a trade-off between real time performance (...) (22 years ago, 1-Dec-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Linker crashing
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I recently built binutils 2.13 for h8300-hitachi-hms target (default configuration otherwise) under Mandrake-Linux 9.0. When I use ld to generate an S-record file, it crashes ("Segmentation fault"), but still produces valid output. However, this (...) (22 years ago, 1-Dec-02, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Robolab - lejOS communication
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(...) Mario, Lejos supports communication using the original firmware opcodes via the Serial class, but, apart from program download, this is designed for executing opcodes, not downloading data. F7Handler and F7DeliveryHandler are part of and (...) (22 years ago, 1-Dec-02, to lugnet.robotics.rcx, lugnet.robotics, lugnet.robotics.rcx.java, lugnet.robotics.rcx.robolab)
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| | Re: Motor Control Register (0xf000)
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The lugnet registration takes forever :) After reading this post a light went on in my head. A few weeks ago I wrote a multi-threaded program for the RCX (about 7 threads, each running an endless loop). When I added one more thread, the robot (...) (22 years ago, 27-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Robolab - lejOS communication
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Hi all, we are working on our final thesis using lego mindstorms. Our goal is to implement a neural network using the backpropagation algorithm. This neural network will then be used with a webcam for pattern recognition and classification. The (...) (22 years ago, 28-Nov-02, to lugnet.robotics.rcx, lugnet.robotics, lugnet.robotics.rcx.java, lugnet.robotics.rcx.robolab)
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| | PANIC !!!!!
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Hallo I´ve just heart that the Mindstorm Series will be stoped for the sake of the spybot? Is this true, if yes we just have to start a fight for the survival of our RCX Sascha (22 years ago, 23-Nov-02, to lugnet.robotics.rcx)
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| | Re: Motor Control Register (0xf000)
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(...) It's the one I meant, thanks. Jürgen (22 years ago, 21-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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