 | | Re: C standard functions with legOS?
|
|
(...) As other people have pointed out, its not possible to use them straight off. I've written some floating point code for my own use to do conversions between rectangular (x,y) and polar (dist, bearing) calculations. The codes not documented I'm (...) (23 years ago, 27-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: C standard functions with legOS?
|
|
(...) I've been meaning to butt in on this discussion sometime, but I got caught up in things, but better late than never. The source you refer to is probably mine. I wrote a suite of fixed-point math routines for multiplication, division, and (...) (23 years ago, 27-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: C standard functions with legOS?
|
|
(...) An alternative is using fixed point math. There was some posts time ago, with C source for trigonometric functions. If you are interested, I should have links to them, somewhere (or do a `search' :-). bye Bernardo New e-mail: (...) (23 years ago, 26-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: C standard functions with legOS?
|
|
(...) The cross-compiler is set up to not use standard libraries. This is to give more control over the code produced. Also, many standard functions just wouldn't work on the H8. There is a float library (lib/float), which allows use of floating (...) (23 years ago, 25-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | C standard functions with legOS?
|
|
Is it possible to use functions from C standard libraries with legOS, e.g. sin() from math.h or abs() from stdlib.h? They are a part of gcc, but e.g. math.h seems to produce compiler errors. Best regards. Michael Wisse (23 years ago, 25-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: lcd
|
|
Yes, if you have three values, just display them like this : cputw((VALUE_1 << 8) + (VALUE_2 << 4) + (VALUE_3)); (...) (23 years ago, 25-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | lcd
|
|
Is it possible to display 2 lcd intergers on the screen at the same time? ie 2 rotation sensors. Thanks in advance chris (23 years ago, 25-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Sensor Commands and legOS 0.2.3
|
|
(...) TOUCH_1 is a macro defined in dsensor.h starting form version 0.2.4. If you don't want to upgrade, here is the code: #define TOUCH(a) ((unsigned int)(a) < 0x8000) #define TOUCH_1 TOUCH(SENSOR_1) #define TOUCH_2 TOUCH(SENSOR_2) #define TOUCH_3 (...) (23 years ago, 24-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Sensor Commands and legOS 0.2.3
|
|
I just installed legOS 0.2.3 under Redhat 6.2, using the RPM's that were linked to in the HOWTO. Everything I have tried so far has worked great, except for getting my touch sensors to work. The documentation I have read said that in 0.2.x one could (...) (23 years ago, 24-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | RE: LegOS scheduler questions
|
|
(...) I don't /think/ so, but I don't have time to check to be certain and it has been now literally 10 months since I looked at kernel source. :\ (...) See #1. :\ (...) By design? As many as you can throw at it- there is no hard-coded limit, and (...) (23 years ago, 24-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | RE: LegOS scheduler questions
|
|
Folks, This is my first day with Leogs. I just installed Legos, compiled a program and have run it successfully. Haven't got a chance to take a look at the kernel source. I have the following questions and any response will be greatly appreciated. (...) (23 years ago, 24-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | WinLNP issues
|
|
For those who prefer the Java programming language, I've written some classes that may help with LNP. What you need is : the JDK 1.2, the Java Communication APIs (classes for Java communication through the serial port, and my classes located at : (...) (23 years ago, 23-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | More LNP Issues
|
|
Thanks to Rainer for helping me with the stupid compiler bug :) Now that the PC side of LNP is working, I'm having troubles with the RCX side... I've modified the LNP sample provided on the WinLNP page as follows (with the includes trimmed): #define (...) (23 years ago, 22-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: raw touch sensor values
|
|
(...) SENSOR_1 gives you the raw value from sensor 1. TOUCH_1 gives you the boolean value if it's a touch sensor. In fact SENSOR_1 gives you the raw value no matter what type sensor it is. HTH ROSCO (23 years ago, 21-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | raw touch sensor values
|
|
Hello, Can you access the raw touch sensor values in legOS? I know you can do it in NQC but I haven't figured it out in legOS. Thanks in advance, Nate Ridderman (23 years ago, 21-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: error from makelx: address out of bounds
|
|
I've found it. They must be declared as static: static LightSensor s(LightSensor::S3,false); int main(){ ... } Regards. Michael Wisse (...) (23 years ago, 20-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: WinLNP Issues
|
|
Hi Matt, i had the same problem. That's a Microsoft *feature* ;-) that comes with visual C++ 6.0. (This problem is described in the MSDN. If you've got it installed, you 'll find details there.) You have to get a service pack for this compiler. Get (...) (23 years ago, 20-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | WinLNP Issues
|
|
I'm trying to compile WinLNP, and I've run across a baffling problem: h:\program files\microsoft visual studio\vc98\include\...til.h(101) : fatal error C1001: INTERNAL COMPILER ERROR (compiler file 'msc1.cpp', line 1786) Please choose the Technical (...) (23 years ago, 20-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: code
|
|
(...) [snip] (...) Can't see anything glaringly obvious, except you've used different priorities for your tasks. As they're infinite loops with no waiting, it's probably better to make their priorities equal. But the best way is probably to do all (...) (23 years ago, 19-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | code
|
|
Hi,I'm trying to run 2 infinate loops at the same time. Is this possible? this is an example of what I'm trying to do. thanks #include <unistd.h> #include <dmotor.h> #include <dsensor.h> #include <conio.h> #include <time.h> pid_t fun_a; pid_t fun_c; (...) (23 years ago, 19-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Declarations in header files
|
|
(...) "extern inline" means that we are defining an inline function, but if the inline function is not used, there is also an externally defined function with the same purpose. So, if you compile without optimization, it acts like "extern void (...) (23 years ago, 18-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | error from makelx: address out of bounds
|
|
Hallo! My question again: I tried to declare sensors global, out of main(): Motor motor(Motor::B); LightSensor s(LightSensor::S3,false); int main(){ ... } make reports an error: /home/micha/legOS/util/makelx test.ds1 test.ds2 test.lx test.ds1: (...) (23 years ago, 17-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Dynamic lists allowed?
|
|
(...) Thanks for your help. The program is running fine now. Would you happen to know if anyone has created this sort of high level functions? If not more people might be interested. jm (23 years ago, 13-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Dynamic lists allowed?
|
|
(...) This should be "struct tNode *next;" (...) After this, any time you want to refer to a tNode, you need to say "struct tNode". Or you can put "typedef struct tNode tNode" and then use the "tNode" as a type like you're doing. (23 years ago, 12-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Dynamic lists allowed?
|
|
Since I just got started with legOs (thanks to 'Extreme Mindstorms'), I'm creating a set of high level utility functions. This one here is intended to display a DYNAMIC list of values, but there seems to be a problem with the use of 'struct' and (...) (23 years ago, 12-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | c++, sensor declaration
|
|
Hallo! I tried to declare sensors global, out of main(): Motor motor(Motor::B); LightSensor s(LightSensor::S3,false); int main(){ ... } make reports an error: /home/micha/legOS/util/makelx test.ds1 test.ds2 test.lx test.ds1: address out of bounds on (...) (23 years ago, 10-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: c++, classes
|
|
Hallo Frank, yes, it helped, thanks. But I still don't understand the background. Normally, in c++ you can initialize your private components in the body of the constructor or with a initialization list, like in your suggestion. Reagards. Michael (...) (24 years ago, 10-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: dll problems
|
|
Nevermind, I figured it out. Apparently some of the programs weren't compiled correctly in the demo folder because some of them worked and some didn't. I was able to recompile some of them and then they would download. Wierd but at least I figured (...) (24 years ago, 8-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: dll problems
|
|
Hmmm.... After messing around with it some more, I'm getting a new error message: "error creating program" . quite similar to the last one but not quite the same. Thought that might help in figuring this out. Nate Ridderman (24 years ago, 7-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | dll problems
|
|
Hi, I'm trying to install legOS 0.2.4 on my rcx from a windows system. I need to use it for a computer programming class I'm taking. I was able to download everything and successfully installed the firmware, however I'm unable to use the dll program (...) (24 years ago, 7-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: RCX Comm via input-output connection?
|
|
(...) There's a couple of other ways to do it (besides the off / float mentioned by others): 1. Have the motor off RCX1 drive a rotation sensor on RCX2. Requires more space & parts. 2. Use LNP (infra-red communication). But requires that RCXs are in (...) (24 years ago, 6-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | OT: Exploration Mars Balloon Tires Part#
|
|
Hello Does anyone know the LEGO-Shop-At-Home part# for the balloon tires that come with the Exploration Mars Expansion Set ? Thanks Tim Goodwin (24 years ago, 6-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | RE: RCX Comm via input-output connection?
|
|
Hi Jakob, Search for "Electrical Data Link between 2 RCXs" thread on lugnet.robotics.rcx.ncq and various threads on lugnet.robotics ((URL) such as "CM-RCX" and more. I'm finishing up a *NQC* input/output VLL lib that supports direct electrical (...) (24 years ago, 6-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: RCX Comm via input-output connection?
|
|
Hi, Jakob, It is possible and discussed here several times. Have a look at this : (URL) ;-) Why not use the search button ? ;-) (...) (24 years ago, 6-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | RCX Comm via input-output connection?
|
|
Hi! Does anyone know if it is possible to have to RCXs communicate by connecting the motor outputs of one to the sensor inputs to the other? I have a slight feeling this could burn things due to the high-voltage (relatively) output of the RCX motor (...) (24 years ago, 6-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: c++, classes
|
|
Hi Michael, if you want to use a declarator list in the constructor you have to use the following syntax: /******* Implementation of the constructor ***...***/ LightSensorHead::Lig...ensorHead( const Motor::Port motorport, const Sensor::Port (...) (24 years ago, 5-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | c++, classes
|
|
Hallo! I try to write a class for legOS in c++. The constructor should get parameters for the used ports for a motor and two sensors, which are private components of the class. Then the contructor should assign these given ports to the private motor (...) (24 years ago, 4-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Can you test it for me?
|
|
I made a lx file, but I can't test it, could you help me? (URL) (24 years ago, 4-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | Re: max size of .lx
|
|
(...) I don't know what the max is, but I have routinely worked with .lx files up to about 12,000 bytes, so you should be fine. (24 years ago, 3-Apr-01, to lugnet.robotics.rcx.legos)
|
| |
| | max size of .lx
|
|
I got a .lx file that size is 9660 bytes, I am not sure if it can be downloaded to RCX, what is the max size of .lx? Zhengrong (24 years ago, 3-Apr-01, to lugnet.robotics.rcx.legos)
|
