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 Robotics / NXT / 851 (-10)
  File Error - what does it exactly mean?
 
Hello, I have an NBC program which compiles fine and the previous versions of it were working as expected. After some minor modifications, the program is interrupted in the middle with a message "File Error!" shown on the LCD for a short momemnt and (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
 
  Re: Wishlist for next pbLua Beta
 
(...) My thought would be to aim for a filesystem designed for flash use, like yaffs ( (URL) ). That particular filesystem is licensed under GPL and might be uncomfortably large too, I'm not sure, but it's structured more appropriately than FAT. I (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
 
  Re: NRLink reading RCX response
 
(...) You might want to consider using NXC and the standard NXT firmware. Here's some code John Barnes wrote in NXC for reading sensor values via the NRLink: int count; int sensorval; int i; int temp; byte toggle=0; byte csum; byte RCXcmnd[]; /*[0] (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
 
  Re: RotateMotorEx hangs
 
(...) When you call RotateMotorXXX here is the code that is executed: subroutine __RotateMotor0 brtst EQ, __rotate_Done0, __rotate_angle0 sign __rotate_thePower0, __rotate_angle0 abs __rotate_theAngle0, __rotate_angle0 mul __rotate_thePower0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
 
  RotateMotorEx hangs
 
This is actually the topic about interrupting RotateMotor(). I resend with a more appropriate topic. --E -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of Elizabeth Mabrey Sent: Thursday, August (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
 
  RE: Idea on how to interrupt RotateMotor?
 
Look at the following sample code: ===...=== int shut =0; task x1() { TextOut(0, LCD_LINE3, "Waiting until it sees dark!..."); until (Sensor(IN_1)<40); shut=1; Off(OUT_AC); } task x2() { RotateMotorEx(OUT_AC, 75, 360, 0, FALSE, TRUE); TextOut(0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
 
  Idea on how to interrupt RotateMotor?
 
Since there is no event in nxc. Is there anyway to interrupt this call via a Off(OUT_AC) in another task? RotateMotor(OUT_AC, 20, 800); I could have used a time Wait after onFwd. However, This will not allow me to get a more previous degree turning. (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
 
  Re: NRLink reading RCX response w/ RobotC
 
(...) I downloaded the SDK from (URL) but can't find any reference to the message format. Perhaps this is the wrong SDK? I've looked in all the doc .pdf files and skimmed everything else. I sure am having a hard time locating things. (...) So what (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
 
  RE: NRLink reading RCX response w/ RobotC
 
(...) I couldn't find it either, but its out there somewhere. (...) Agreed. It started as a internal debugging tool and was left visible for the small handful of power users who write their own I2C device drivers. (...) Agreed. I went back and (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)
 
  Re: NRLink reading RCX response w/ RobotC
 
(...) Searching for "robotc i2c" returns 3 message in the forums: "Interfacing with Lego Sensors" "Help with US sensor!!" "RobotC I2C Help" Only the third message describes "Test I2C Messaging". It's very specific to the message thread and in it you (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)


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