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 | | Re: frame RCX reply how
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| Concerning the parsing of LEGO packets, I've found these bits to be useful in coming up with a parsing algorithm: * Packets start with 0x55 * Individual bytes of a packet are sent with little or no delay in between bytes * Packets may or may not (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
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ir
(score: 1.392)
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| | Re: frame RCX reply how
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| (...) Yes helpful framing rules thanks. (...) Thanks in particular for pointing out the before & after rubbish. Me, just now I began quoting this rule in a fog, somehow not immediately appreciating that: The receive framing in bricxcc withstands (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx)
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ir
(score: 1.392)
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| | Re: LNP problem
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| (...) Ok. This is indeed the result if you run the original LNP package. There are several problems with your sources, too. So try the following to get things done: First, go to the lnpd subdir and edit rcxtty.c. In function tty_init you find a line (...) (22 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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range
(score: 1.391)
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| | LNP-problem...
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| hi there we seem to have a not so tiny problem with lnp, we can send messages from the tower to the rcx, but until now we have failed to get the rcx to send a message tot the computer, we have tried various versions of the legos kernel, none of them (...) (22 years ago, 20-Nov-02, to lugnet.robotics.rcx.legos)
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tower
(score: 1.391)
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| | reading music thru an RCX
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| Anybody already write code to play notes thru the RCX as they are chosen, keep a history of the notes, replay the assembled tune, etc.? --- I think I mean to be asking for a public domain GUI. Courtesy l.r.r. recently, I've already got .java code (...) (22 years ago, 10-Feb-03, to lugnet.robotics.rcx)
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ir
(score: 1.391)
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| | BricxCC on Win XP how
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| Is there some trick I need to learn to run BricxCC on Win XP? (...) For me BricxCC hardly ever works. I tried un/installing the last three available versions. Always I fail to connect via serial via IR with my brick. Lego RIS talks no worries, (...) (22 years ago, 18-Feb-03, to lugnet.robotics.rcx)
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ir
(score: 1.389)
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| | Re: Complete instructions for Linux?
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| (...) Rich, Those patches were created for optimizing some legOS code. I believe it was some interupt code. The legOS code and brickOS code have internal work arounds. I have some emails concerning this somewhere. But you don't need these patches (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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usb
(score: 1.389)
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| | Re: Sensor Sampling; Progress?
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| Joe, Great job on taking the bull by the horns! The following are my suggestions on a system configuration. Please note that the term "divider" is being used here to indicate the function should only be performed every Nth interrupt. OCRA interrupt (...) (22 years ago, 18-Jan-03, to lugnet.robotics.rcx.legos)
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range
(score: 1.389)
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| | Re: NQC's future
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| (...) By the way, people who have a CD-booting Windows-compatible PC have free Linux too, via a boot CD that works without repartitioning (or even writing) the boot HDD: (URL) I think I specifically remember seeing rcx serial port tools work there, (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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usb
(score: 1.389)
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| | Re: Problems with NQC and math operations
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| Jeff, Your problem is with the 16 bit integer size that NQC uses. All integers are in the range -32768 to 32767. Using 10000 to simulate fixed point math operations is killing you. Everything works when you replace theta and D with constants because (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
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range
(score: 1.387)
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| | Re: Problems with NQC and math operations
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| (...) Did you considered that the RCX has only integer variables. So, the allowed operation range is -32768 32767. If at any stage of your operation you exceed these limits, the result will be corrupted. For the use of sine and cosine with integer (...) (22 years ago, 3-Feb-03, to lugnet.robotics.rcx.nqc)
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range
(score: 1.387)
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| | quartet networking code
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| A few months ago, I wrote a short program called "quartet" that would let a variable number of RCX bricks running LegOS play back a song in unison. I've made it available at (URL) . It should compile cleanly under Debian's legOS package. I don't (...) (22 years ago, 5-Mar-03, to lugnet.robotics.rcx.legos)
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ir
(score: 1.387)
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| | Re: Save the RIS!
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| Unfortunately, it seems that TLC doesn't have a clear idea of what to do with Mindstorms in general. Their support for the whole line has been less than full - note the failure to update software for their cameras beyond Win98. I've been using the (...) (22 years ago, 1-Feb-03, to lugnet.robotics, lugnet.robotics.rcx)
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range
(score: 1.387)
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range
(score: 1.387)
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| | Re: IR port Communication
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| (...) have you try to look at lnp.c and lnp-logical.c ? See the old version there are not the remote command it's easier It seems that lnp-logical.h use the S_RDR byte to understand what is send on the IR port look at this void rx_core(void) { (...) (22 years ago, 27-Mar-03, to lugnet.robotics.rcx.legos)
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ir
(score: 1.386)
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| | IR port Communication
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| ERIKA is an RTOS(erika.sssup.it). The kernel of ERIKA does not support the the serial port communication through the IR port. I want to add that functionality to ERIKA. My final task will be to to develop an application the will allow communication (...) (22 years ago, 27-Mar-03, to lugnet.robotics.rcx.legos)
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ir
(score: 1.386)
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| | 1.5/2.0 infrared problem
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| Hi I've got two RCX: a 1.5 and 2.0 version. I' ve got a problem with IR emiter/reicever. The 1.5 version seems to be more sensitive to reflected infrared and its good to use ! But the 2.0 RCX is less sensitive and for example doesn't receive (...) (22 years ago, 15-Mar-03, to lugnet.robotics.rcx)
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ir
(score: 1.385)
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| | Re: Robolab and 3rd party camera
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| Well, I have Robolab 2.5.2 and a Dexxa webcam (Logitech Quickcam clone), and that works fine on Windows XP. I originally had problems getting the camera to work with my MOTHERBOARD as it has a VIA chipset and the USB drivers needed updating, but (...) (21 years ago, 4-Jan-04, to lugnet.robotics.rcx.robolab)
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usb
(score: 1.385)
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ir
(score: 1.383)
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| | RCX ROM
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| Hi, I am trying to add a serial/IR port communication library to an RTOS. I am using the rom functions, can someone help me with the passing of the arguments: for instance what do i pass for this function: byte send_btes(short code, byte opcode, (...) (22 years ago, 2-Apr-03, to lugnet.robotics.rcx)
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ir
(score: 1.383)
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