 | | Re: NRLink reading RCX response
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(...) Thanks for the recommendation John, I think we met in '99 at Mindfest at MIT, but I'm sure you met way too many to remember. I'm a long-time user of NQC and I evaluated NXC right after I got the NXT, along with RobotC. I've been focusing on (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Re: Two New GBC Modules..
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Some very well done modules Kevin. I really like the "Wave" module. It moves quickly enough to make it more interesting than a slower set of steps. Bryan (17 years ago, 5-Aug-07, to lugnet.robotics, lugnet.technic, FTX)
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| | Re: File Error - what does it exactly mean?
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(...) I have to answer myself after analyzing the reason. The error occured when trying to access elements of array outside of the initialized range. Glad to have resolved it. (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | File Error - what does it exactly mean?
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Hello, I have an NBC program which compiles fine and the previous versions of it were working as expected. After some minor modifications, the program is interrupted in the middle with a message "File Error!" shown on the LCD for a short momemnt and (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Re: Wishlist for next pbLua Beta
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(...) My thought would be to aim for a filesystem designed for flash use, like yaffs ( (URL) ). That particular filesystem is licensed under GPL and might be uncomfortably large too, I'm not sure, but it's structured more appropriately than FAT. I (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response
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(...) You might want to consider using NXC and the standard NXT firmware. Here's some code John Barnes wrote in NXC for reading sensor values via the NRLink: int count; int sensorval; int i; int temp; byte toggle=0; byte csum; byte RCXcmnd[]; /*[0] (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
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| | Re: RotateMotorEx hangs
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(...) When you call RotateMotorXXX here is the code that is executed: subroutine __RotateMotor0 brtst EQ, __rotate_Done0, __rotate_angle0 sign __rotate_thePower0, __rotate_angle0 abs __rotate_theAngle0, __rotate_angle0 mul __rotate_thePower0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | RotateMotorEx hangs
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This is actually the topic about interrupting RotateMotor(). I resend with a more appropriate topic. --E -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of Elizabeth Mabrey Sent: Thursday, August (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | Re: NXTway DS powered by LEJOS OSEK
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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
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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: Idea on how to interrupt RotateMotor?
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Look at the following sample code: ===...=== int shut =0; task x1() { TextOut(0, LCD_LINE3, "Waiting until it sees dark!..."); until (Sensor(IN_1)<40); shut=1; Off(OUT_AC); } task x2() { RotateMotorEx(OUT_AC, 75, 360, 0, FALSE, TRUE); TextOut(0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | Idea on how to interrupt RotateMotor?
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Since there is no event in nxc. Is there anyway to interrupt this call via a Off(OUT_AC) in another task? RotateMotor(OUT_AC, 20, 800); I could have used a time Wait after onFwd. However, This will not allow me to get a more previous degree turning. (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response w/ RobotC
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(...) I downloaded the SDK from (URL) but can't find any reference to the message format. Perhaps this is the wrong SDK? I've looked in all the doc .pdf files and skimmed everything else. I sure am having a hard time locating things. (...) So what (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | RE: NRLink reading RCX response w/ RobotC
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(...) I couldn't find it either, but its out there somewhere. (...) Agreed. It started as a internal debugging tool and was left visible for the small handful of power users who write their own I2C device drivers. (...) Agreed. I went back and (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)
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| | 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: Web Page Update - new syncro/Lego motor internals
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(...) An update - the monumental site has been down a long time - I've moved all my lego pages to (URL) plan to update this with current links soon. Also, I'll be posting my experience with NXT and RobotC. -Wes (17 years ago, 2-Aug-07, to lugnet.robotics)
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| | Re: NRLink reading RCX response w/ RobotC
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(...) Searching for "robotc i2c" returns 3 message in the forums: "Interfacing with Lego Sensors" "Help with US sensor!!" "RobotC I2C Help" Only the third message describes "Test I2C Messaging". It's very specific to the message thread and in it you (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)
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| | NXTway DS powered by LEJOS OSEK
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Here is Yet Another NXTway powered by LEJOS OSEK. (URL) I named this version of NXTway "NXTway DS (Double light Sensors)". It uses only LEGO standard hardware parts except for a plastic light shade cover and control algorithm is executed every (...) (17 years ago, 2-Aug-07, to lugnet.robotics)
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| | RE: NRLink reading RCX response w/ RobotC
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There are three steps to reading an I2C message from a sensor. 1. Send a message to the I2C sensor to initiate the read. Look at the program "NXT HiTechnic Accelerometer" in the RobotC sample programs folder for an example that you can clone. (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | Re: pbLua Beta 13c first impressions
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Walt, Thanks for mentioning my pbLua installation instructions (that are available also in my "Advanced NXT - The Da Vinci Inventions Book" alongside with a lot of samples for pbLua programs, by the way ;-) ). Keep in mind, though, that they have (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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