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 Robotics / NXT / *503 (-20)
  Re: Two motors at the same time... It is possible?
 
(...) occam ... I was wondering where I had dealt with that before. Then I realized, I had a little introduction to this when writing test programs for submarine circuit cards that had used transputers. Weren't they developed by NASA? David (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
The code is working right well! But i think the stall control at the end o each task has no meaning there, since the until loop does not let the script reach it if the motor become staled. (...) Patrick (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) Yes, Now it is perfect. Not so obvious i think... Thanks! Patrick (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) Hi Patrick, Indeed the Tacholimit can only be positive. But power can be negative, that's the way to reverse direction. Philo (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) Hi Johan, While you're dealing with very practical questions here, I thought I'd throw a paper into the mix: (URL) was presented in the ACM conference on Programming Language Design and Implementation (PLDI) in 2005. It's a nice paper (...) (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
John, (...) It worked just as I expected. The two motors now are rotating the same time. Thanks to your example, now I am giving some time to understand this setOutput call, and reading all the documentation (it is quite easier with pratical (...) (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) Or maybe just wrap the calls inside a mutex, so at least the behaviour is defined, if not optimum. Many of the NBC/NXC macros do exactly that, maybe all of them should? ROSCO (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) I understand his confusion. Not allowing separate threads to call the same subroutine is certainly unexpected. The concept of "thread" conventionally involves separate stacks for local variables (and a shared global state -- unlike separate (...) (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Re: Two motors at the same time... It is possible?
 
(...) It is possible. The NXC API doesn't currently wrap this capability in a really simple function. (...) The RotateMotor API function calls a subroutine written in NBC that does not return until the tachometer limit target has been reached. (...) (18 years ago, 19-Feb-07, to lugnet.robotics.nxt)
 
  Two motors at the same time... It is possible?
 
Hi people, I was wondering if is possible to run two motors at the same time, using diferente parameters (speed and degrees)... The code bellow works, but first the motor A runs, then the motor B runs. ---...--- task main(){ RotateMotor(OUT_A, 50, (...) (18 years ago, 18-Feb-07, to lugnet.robotics.nxt)
 
  NXC/NBC beta news
 
Sourceforge has disabled shell access for the next several days so I am not able to upload files or make changes to html on the NBC or BricxCC site. I can, however, upload files to the standard sourceforge release page. So for the time being I will (...) (18 years ago, 17-Feb-07, to lugnet.robotics.nxt)
 
  Re: Bluetooth Comm Problem
 
Glad we could help Ralph. And I'm sure there will be many great discussions in here as there already have been. (18 years ago, 17-Feb-07, to lugnet.robotics.nxt)
 
  Re: BricxCC release 3.3.7.16
 
(...) Great! (...) Of course my comment was not intended to be offensive... but I have pestered a few times with that, so... ;o) Philo (18 years ago, 16-Feb-07, to lugnet.robotics, lugnet.robotics.nxt)
 
  Re: NXC/NBC release news
 
(...) I completely agree. This flag bothers me with NXC as well as with NXT-G. (...) I have used a single white pixel .ric file to do just that. Awkward at best, but it works. (...) Not that bad... thanks to you and to Daniele for your (...) (18 years ago, 16-Feb-07, to lugnet.robotics.nxt)
 
  Re: Bluetooth Comm Problem
 
(...) Dick and David, Thanks for posting this conversation here. Even though I'm not participating directly, I am reading it and as I'm touching up the Bluetooth support for pbLua right now, this has given me invaluable insight into how the (...) (18 years ago, 16-Feb-07, to lugnet.robotics.nxt)
 
  Re: Bluetooth Comm Problem
 
Dick, Thanks! I tried it out tonight and got consistent messages from the PC. You were correct about having to continually do message reads until I get something. I didn't have to do the wait for a second STAT_COMM_PENDING (32) or the 200 ms wait. I (...) (18 years ago, 16-Feb-07, to lugnet.robotics.nxt)
 
  Re: BricxCC release 3.3.7.16
 
(...) In the soon to be available new test release, BricxCC (3.3.7.17) now properly assumes NXC when a file has no extension if you switch your Preferred language for the standard firmware (on the Compiler|Common tab of the Preferences dialog) to be (...) (18 years ago, 15-Feb-07, to lugnet.robotics, lugnet.robotics.nxt)
 
  Re: NXC/NBC release news
 
(...) I am inclined to agree with you. The NXT firmware system calls provide the flexibility for choosing whether to clear the screen before any screen drawing operation but generally this option is not needed every time. Since I have a ClearScreen (...) (18 years ago, 15-Feb-07, to lugnet.robotics.nxt)
 
  NXT Remote in Smartphone
 
Hi. Does anyone knows about any software to control the NXT through Bluetooth that runs on smartphone? I used Onbrick on a Pocket PC, but now I'm looking for something that runs on a Moto Q Cell Phone. I read about Mindsquails being converted to (...) (18 years ago, 15-Feb-07, to lugnet.robotics.nxt)
 
  Re: .NET Micro Framework released!
 
(...) The .NET Micro Framework documentations (URL) it requires at least 256K RAM and 512K Flash. The NXT processor has 64K RAM and 256K Flash.... Guy Ziv NXTasy.org (18 years ago, 15-Feb-07, to lugnet.robotics.nxt)


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