 | | Re: NXTway DS powered by LEJOS OSEK
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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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| | Re: NXTway DS powered by LEJOS OSEK
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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
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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: NXT memory map
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(...) Strange, for me it is always easy to find with Google: (URL) data sheet is here: (URL) Jürgen Stuber <juergen@jstuber.net> (URL) (17 years ago, 10-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | FW: RotateMotorEx hangs
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Thank you to both John and Roger, I'll try it out later next week. --Elizabeth -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of John Hansen Sent: Wednesday, August 08, 2007 6:20 PM To: (...) (17 years ago, 9-Aug-07, to lugnet.robotics.nxt)
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| | RCX transmitting on the IR over 2400
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Dear friends, I am trying to use the lego RCX 2.0 over 2400 bps, actually at 4800 bps. I have no problems transmitting but Very rarely receives correctly. Any idea about this? Have you been in this road before? Thanks Rodrigo (17 years ago, 9-Aug-07, to lugnet.robotics)
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| | Re: Mobile Phone for pbLua Development
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(...) I'm not sure what operating system is on your Treo, but I am running vxHpc on my Dell Axim which runs Windows Mobile 5. Details on vxHpc are at (URL) and screen shots of my setup are at (URL) It really is nice to be able to program from a PDA. (...) (17 years ago, 9-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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(...) Actually, implementing a closed-loop motor control in LEJOS OSEK is not difficult. I already have done for NXTway-DS(complex state space feedback) and NXT GT(P control for motor rev. angle). A significant factor to implement a close-loop motor (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: RotateMotorEx hangs
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(...) <snipped> The RotateMotor call is designed to block. If you don't want to block then you can write code almost exactly like what Roger wrote in Java using other NXC API calls. Like so: #define UF_TLSM UF_UPDATE_TACHO_LIMI...PDATE_MODE #define (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt)
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| | Re: RotateMotorEx hangs
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(...) Hi Elizabeth: Here is how you could do it in Java: LightSensor eye = new LightSensor(SensorPort.S1); Motor.A.setSpeed(720); // 2 revolutions per second LCD.drawString("wait for dark",0,0); LCD.refresh(): Motor.A.rotate(3600,true); //rotate 10 (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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(...) Hmm, how hard would it be to just copy some of those functions from NXTGCC and use them in LEJOS OSEK? Would they require significant modification? Thanks, Jeremy Rand (17 years ago, 8-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Real C/C++ Programming Solution?
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(...) Currently, LEJOS OSEK does not provide abstracted API such as you asked. I agree that LEJOS OSEK should provide more sophisticated API for ease of use. I hope someone will raise his/her hand to write such framework library. Sorry for your (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Mobile Phone for pbLua Development
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(...) This is so cool that I want to find a terminal emulator for my Treo 650! Does anyone know of a free one I can use, or shareware that works well enough to pay for it? Cheers, Ralph (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Real C/C++ Programming Solution?
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Is there a programming solution for the NXT that will allow me to use real C/C++? I've been trying to use NXTGCC (this is for firmware development based on an existing firmware for another controller, which is written in C/C++), but the code seems (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Mobile Phone for pbLua Development
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(...) And now the pictures of this project WindowsMobile pbLuaConsole (URL) V2 with extensions like GPS and Highspeedconnector (URL) it Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: multiple-files projects in NBC
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(...) The compiler line number error reporting problems are bugs. It should work properly for #included files but it does not currently do so. I will try to get that fixed once I get my book written. My deadline is fast approaching and I still have (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Mobile Phone for pbLua Development
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Hi, yes it is true, pbLua-Development can be done at WindowsMobileDevices... Mobile_with_terminal...ua_Console This works fantastic in the garden or at the beach :D Enjoy pbLua Features Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: Two NXT Back2Back
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(...) ReHi, I'm building an external SD-Card-Interface for storing data, using RS485... NXT-->RS485-->AtMega...->SPI-->SD Next project is AVRCAM via RS485 :D Thanks for your response Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | multiple-files projects in NBC
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I might have missed this topic in the manual, but is there any support for splitting NBC project into several files? I know there is #include macro, but the problem is that the compiler then reports errors/warnings at lines relative to the merged (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: Two NXT Back2Back
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(...) I do not see how you could burn any parts or drivers. Even if both ports would be in active sensor mode and (obviously) out-of sync, the electronics that connects the port to ADC should handle that as normally the same pin is used to power up (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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