 | | Re: Implementation of Installable Timers
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(...) You are right. I found in an app that I was using that if I pressed the run / stop button, my task would be killed, and leave a dangling timer - which would usually blow the little brick into the weeds :o) I 'solved' it in a crude way by (...) (20 years ago, 9-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Implementation of Installable Timers
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Iain McInnes wrote: [snip] (...) Great idea! (...) In your implementation, would it be possible for the client task to be killed (in the case of a run-away task)... causing the struct to be deallocated... while the struct is still in the linked (...) (20 years ago, 8-Jan-04, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Points to: 'Implementation of Installable Timers'
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Hi, ppl. I posted this one in the wrong place :0 (URL) Enjoy ! Iain. (20 years ago, 8-Jan-04, to lugnet.robotics.rcx.legos)
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| | Points to 'Design by Contract'
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Hi, Folks, I posted some stuff on an assert() macro - in the wrong place - (D'oH). The thread is here: (URL) Enjoy ! Iain. (20 years ago, 8-Jan-04, to lugnet.robotics.rcx.legos)
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| | Hello World !
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Hello everybody. I’ve been fooling around with BrickOS in the last few weeks, becoming familiar with it. BrickOS is very cool. Thank you, those who have made it what it is, and thank you, those who help out those with the common problems (yes, I had (...) (20 years ago, 8-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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IIRC the issue was that Task, Process and Thread were all used to represent the same item/concept in the Kernel code. After some discussion, it was decided that the word Task would be used in all cases. This improves readability, etc... (ie. Task (...) (21 years ago, 6-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Sensor Power
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(...) Take a look at the functions ds_power_on() & ds_power_off() as defined in the dsensor.c kernel file. When you've set the sensor to passive mode, you should be able to manipulate the sensor power bits using these functions[1] or just use the (...) (21 years ago, 6-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Motor Display
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(...) This problem has been fixed in the most recent CVS source file (dmotor.c), but as far as I can tell it hasn't been part of an offical release yet: (URL) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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tid_t -> thread ID pid_t -> process ID ? "nanobapt" <nanobapt@wanadoo.fr> wrote in message news:3FF95FD4.608020...adoo.fr... (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Sensor Power
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ok, I have a real question. I'm interested in sending messages between RCXs using only the sensor ports. I've tested and found by switching between active and passive, signals can be sent, however, when the port is set to active, it is not powered (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Motor Display
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For some silly reason, I was browsing through the BrickOS code and I noticed this: void motor_a_dir(MotorDirection dir) { dm_a.dir = dm_a_pattern[dir]; dlcd_hide(LCD_A_LEFT); dlcd_hide(LCD_A_RIGHT); if (dir == fwd || dir == brake) (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) only as a side note: you shouldn't really do this. you are burning precious cpu-cycles here. it should look something like while(!(rowdone && coldone)) msleep(5); if you're in a hurry you can make smaller msleep's... (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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in version 2.6.1 (I've just download it) extern tid_t execi(int (*code_start) (int, char **), int argc, char **argv, priority_t priority, size_t stack_size); declare in unistd.h ! So use the tid_t and not the pid_t ! (like say ROSCO) Does anyone (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: problems wirh installing driver for usb-tower under linux
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Von: "Annedore Rößling" <u15780@hs-harz.de> Betreff: Re: problems wirh installing driver for usb-tower under linux Datum: Sonntag, 4. Januar 2004 13:25 (...) When I tried ./configure --with-linux-include...n/include/ confiure.in continued but (...) (21 years ago, 4-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) [snip] (...) Hi Mike, What version of BrickOS are you using? IIRC the correct type for thread IDs in the current version is tid_t, not pid_t. Also, I dunno if it was a typo, but you should include tm.h, not tm.c. HTH ROSCO (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) Hmm... it doesn't seem to recognize pid_t as a valid type. I have a document of the functions in brickOS that indicates execi returning an int. Which is it? (...) Still confused... I'll post the poignant code: pid_t rowthread; pid_t colthread; (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) To make a thread with BrickOS (I use the 0.2.4, but I think that the method is the same !) You need to use the execi function : pid_t my_thread; ... (function other declaration int funct(int argc, char *argv[]) { // Function that the robot (...) (21 years ago, 4-Jan-04, to lugnet.robotics.rcx.legos)
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| | The BrickOS Task Manager
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Hi everyone, I was wondering if there's any documentation or example programs detailing how to use the task manager in BrickOS. The only example I have is the line-follow program that somehow uses tasks to 'wake up' when it detects a colour change. (...) (21 years ago, 4-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: problems wirh installing driver for usb-tower under linux
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(...) If you look into the configure script you can found this line : if ! test -f $KINC/linux/version.h ; then { echo "configure: error: no suitable configured kernel include tree found" 1>&2; exit 1; } fi So the test return 0 that indicate you (...) (21 years ago, 3-Jan-04, to lugnet.robotics.rcx.legos)
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| | problems wirh installing driver for usb-tower under linux
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Hello! I tried to install the driver for the usb-tower under SuSE linux 9.0 but configure failed with the message: no configured kernel include tree found. I installed the kernel sources and tried again, but the problem was still the same. I heard (...) (21 years ago, 2-Jan-04, to lugnet.robotics.rcx.legos)
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