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Hi I am a member of a project group at Aalborg University, Denmark, and the goal for our project on this semester is to code an operating system for the RCX brick from Lego. During a whole week, I have been strugling with the 8 bit timers of the (...) (20 years ago, 19-May-05, to lugnet.robotics.rcx)
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| | Re: true realtime event?
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(...) It does allow some very interesting abilities too. I used it for a line-follower, where three tasks could dynamicly alter their priority depending on what was going on. Another use would be a multi-goal system. For instance, one task could be (...) (20 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | RE: true realtime event?
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It's not a true realtime interrupt. Some events may be recognized immediately (e.g. a new "mailbox" message, and some may be recognized on a 100 millisecond background scan (e.g. a "click" event). The event monitoring code does not put the task into (...) (20 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: true realtime event?
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I can't answer your actual question, but have a close look at the way your tagline comes across. It looks (unintentionally, I'm sure) like you are closely affiliated with the LEGO company. I googled for your name and found a link to a post where you (...) (20 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | true realtime event?
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Hi I am trying to find out whether the event in Robolab is a truly realtime interrupt. Once the event is triggered, does it truly preempt the current running process? Input or suggestion to reading material will be appreciated. ---...--- -------- (...) (20 years ago, 19-May-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | tips to handle firmware download problem
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Hi, Is it easy way to unload the firmware from the RCX without having to remove the batteries? I have had problems with downloading firmware... Thank you in advance for your input. -- Elizabeth (20 years ago, 14-May-05, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: More data (was #pragma reserve 14 crashed my program)
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(...) Can you send me a copy of your program? (20 years ago, 9-May-05, to lugnet.robotics.rcx)
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| | More data (was #pragma reserve 14 crashed my program)
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(...) 1 & 8 don't work either which leads me to believe that I've somehow used up too much memory without getting a compile error. Steve (20 years ago, 8-May-05, to lugnet.robotics.rcx)
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| | #pragma reserve 14 crashed my program
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I added this code to a program I've written #pragma reserve 14 #define MyVariable(@14) and it caused my program to crash. My program has many pragma reserves below 14 and they all work perfectly. Is their somthing special about 14? I don't know that (...) (20 years ago, 8-May-05, to lugnet.robotics.rcx)
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| | Programming language survey results
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Hi all, Thank you if you completed the survey about your chosen development environment. Early results are as follows: 48% of respondents use NQC as their main language. NQC scores 1.6 for usefulness, 1.5 for ease of use and 2.1 for enjoyment. (1 is (...) (20 years ago, 4-May-05, to lugnet.robotics, lugnet.robotics.codepilot, lugnet.robotics.cybermaster, lugnet.robotics.rcx, lugnet.robotics.scout, lugnet.robotics.spybotics)
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