 | | Re: error in using brickOS under Bricx Command Center
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(...) Can you do F12 and post the contents (if any)? Do you have bash installed? While the error message is displayed you can open a command prompt and change directory to the location of your source code file. There you should find a .cmd and a (...) (19 years ago, 29-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: Latest version BrixCC
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(...) I have not yet made an official 3.3.7.9 release of BricxCC. My apologies for the delay. For now you can use the latest version in swan_test.zip. John Hansen (19 years ago, 29-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Re: Can't upload new program after I have used LNP under brickos
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(...) Well, thanks for the help, that didn't actually work. But I found it out, what was my fault. In my Program I changed the LNP Base adress of the robot. After that the robot did not react to the default adress 0. So, at the end of the program I (...) (19 years ago, 29-Sep-05, to lugnet.robotics.rcx.legos)
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| | Latest version BrixCC
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Hi, I found on the sourceforge.net the Brixcc version 3.3.7.7 and in the swan_test.zip the version 3.3.7.9. Is there a newer version? Regards, Jan Kromhout Hellevoetsluis-NL (19 years ago, 27-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Enchanced Firmware
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Hi, Can someone tell me wath the status is of the Enhanced Firmware? and the latest version of BrixCC? Regards Jan Kromhout Hellevoetsluis-NL (19 years ago, 27-Sep-05, to lugnet.robotics.rcx)
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| | Re: data recording in BrickOS ?
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Am Mon, 26 Sep 2005 12:35:05 GMT "Francois Bardet" <f.bardet@voila.fr> tippte: (...) this is not the default i programmed this functions, but the docu is in only in german avialible if you can read german, have a look at (URL) there was an other (...) (19 years ago, 26-Sep-05, to lugnet.robotics.rcx)
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| | Re: Can't upload new program after I have used LNP under brickos
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(...) You had to turn on the lnp, with something like this: (I forget the exact commands) lr_startup(); lr_init(); lnp_init(); Make sure you turn it off: lr_shutdown(); Steve (19 years ago, 26-Sep-05, to lugnet.robotics.rcx.legos)
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| | data recording in BrickOS ?
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Hi Mindstormers, 1) Does BrickOS allow to write/read measured data into the RCX memory, in order to plot or process it later on the computer ? If yes, what are the command lines to : - allocate the memory space ? - to write and read ? - free this (...) (19 years ago, 26-Sep-05, to lugnet.robotics.rcx)
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| | Can't upload new program after I have used LNP under brickos
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Hello, |I have the following problem: |when I use lnp under brickos, the rcx does no longer respond to the legotower. |This means that I can't delete the program nor overwrite it. | |Pershaps somebody can help. | |Thanks, | |Andy (19 years ago, 26-Sep-05, to lugnet.robotics.rcx.legos)
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| | Unable to delete programm after having used lnp under brickos
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Hello, I have the following problem: when I use lnp under brickos, the rcx does no longer respond to the legotower. This means that I can't delete the program nor overwrite it. Pershaps somebody can help. Thanky, Andy (19 years ago, 26-Sep-05, to lugnet.robotics.rcx)
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| | Swan scheduling bug?
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I'm starting to use the swan firmware and I'm having a problem with the scheduling. It seems like a task with a long wait does not yield properly to other tasks. Here the NQC code sample: task taska() { WaitMS(150); AddToDatalog(9900); } task main() (...) (19 years ago, 22-Sep-05, to lugnet.robotics.rcx)
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| | pbrick and firmware
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Palm 130, pbrick, rcx 1.0 Can the palm 130 with pbrick be used to control an rcx that doesn't have firmware downloaded? My suspicion is that it won't work without the firmware. Tammy (19 years ago, 22-Sep-05, to lugnet.robotics.rcx)
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| | Re: time sampling under the rcx standard OS
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(...) Here's a code byte from my LegWay code. ---- int MotorSpeedArray[32] = {1,3,2,0}; // Speeds // ... later in the program... if (sys_time>CheckTime) // check system timer - is it time to check sensors again? { L1 = ReadSensor(SENSOR_1); L3 = (...) (19 years ago, 21-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Re: time sampling under the rcx standard OS
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Hi Steve, As I'm quite new to BrickOS and to C programming, I'm sorry I'm not sure I understood what you meant, neither how you do this : (...) - Do you check the sensor at a higher rate, and only send a command to the motor at 1kHz ? - How do you (...) (19 years ago, 21-Sep-05, to lugnet.robotics.rcx.nqc)
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| | position servoing under BrickOS
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Thanks to your advices, Dick, Matt, and Steve, I've been very happy to solve my time sampling problems, installing BrickOS, which runs the rcx fast enough to get a proper position servoing (using rotation or light sensor, and a PID controller). I (...) (19 years ago, 20-Sep-05, to lugnet.robotics.rcx)
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| | error in using brickOS under Bricx Command Center
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Dear all, I am new to Lego Mindstorms programming. Recently I installed Bricx Command Center in Windows XP Home following the instructions in (URL) I am able to use NQC and leJOS but not brickOS under Bricx Command Center. (Downloading the brickOS (...) (19 years ago, 17-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: time sampling under the rcx standard OS
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(...) Well, in BrickOS, my loops usually execute at > 1kHz, so I usually just set it to check the sensor, and set the motor every 1ms. So it just keeps checking the clock. (...) Yes. There's an option that lets you download an "SREC" type of file. I (...) (19 years ago, 19-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Re: time sampling under the rcx standard OS
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(...) Sorry, I didn't explain. This program only aims at checking the loop frequency capability of the rcx firmware, implementing a PWM. The rotation sensor is only used as a potentiometer knob, allowing me to determine by hand the PWM pulse as (...) (19 years ago, 19-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Re: time sampling under the rcx standard OS
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Thank you Matt, the RCX loops much faster with your advices : about 10 loops per second. But as this frequency depends on the calculations included in the loop, I’m afraid this will not be enough. So I tried to download (URL) but it just appears as (...) (19 years ago, 18-Sep-05, to lugnet.robotics.rcx.nqc)
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| | Re: time sampling under the rcx standard OS
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Thank you Dick, for advicing me to switch to the faster firmware, I’m sure I need both a 1-millisecond basic clock, and the 128 power level capability. So I tried to download it from (URL) but it just appears as a text file, which I don’t know how (...) (19 years ago, 18-Sep-05, to lugnet.robotics.rcx.nqc)
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