 | | RE: NXTway DS powered by LEJOS OSEK —
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| | | (...) A 1-msec scanning rate should be achievable with several of the interpretative virtual machine environments for the NXT. I can confirm that ROBOTC can easily execute at this rate for a PID loop with error based on difference between two (...) (17 years ago, 2-Aug-07, to lugnet.robotics)
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| | | | | Re: NXTway DS powered by LEJOS OSEK —Takashi Chikamasa
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| | | | Hi Dick, At first, I really appreciate your comment because I live out of the NXT core community, so feedback from the experts are valuable for me! (...) I do not intend to compete with RobotC. I know some of the folks have developed high speed (...) (17 years ago, 3-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Steve Hassenplug
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| | | | Takashi, Could you (or one of the other LEJOS developers) do me a favor? A few months back, I created a page that lists different types of NXT software, including an early version of LEJOS: (URL) like to update it with info about the latest version, (...) (17 years ago, 3-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Takashi Chikamasa
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| | | | Hi Steve, It's my great pleasure to receive a reply from the father of Legway! (Everything was started from your great work) (...) Please use the following answers. Features: LEJOS OSEK Language type: ANSI C/C++ Firmware: Custom IDE(included?): (...) (17 years ago, 6-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Steve Hassenplug
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| | | | (...) Thanks. I'm just glad to see people are having fun with it. (...) This is actually a bit tricky. Dick Swan (RobotC) asked about optimizing the display update function like you've done (for the same reason you did it). Basically, it means this (...) (17 years ago, 6-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Takashi Chikamasa
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| | | | | (...) OK, I will make three versions (no-so-potimized version, 16msec update, and display removed version). Next couple of days I will not have time to do, so please wait for several days. (...) You are right. LEJOS OSEK does not support file system (...) (17 years ago, 6-Aug-07, to lugnet.robotics)
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| | | | | | | Re: NXTway DS powered by LEJOS OSEK —John Hansen
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| | | | | | (...) The problem is that the J is LeJOS means Java. LeJOS is a Java OS for a LEGO brick, in this case (i.e., LeJOS NXJ) it is for the NXT. So it is very confusing to have your OS be called LeJOS OSEK. It would be really good if you would rename it (...) (17 years ago, 10-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Takashi Chikamasa
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| | | | (...) I could measure the performance for the three cases and it was also very interesting for me. #no-so-optimized(update LCD every time) Loop count: 2695 (very slow) Size: 18240byte(includes LEJOS OSEK firmware) #optimized(LCD is updated every (...) (17 years ago, 10-Aug-07, to lugnet.robotics)
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| | | | | | Re: NXTway DS powered by LEJOS OSEK —Juergen Stuber
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| | | | Hi Takashi, (...) you can use interrupts and the PCD (DMA-channel), so it should be possible to do it with a very light load on the processor. Jürgen (17 years ago, 10-Aug-07, to lugnet.robotics)
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