Subject:
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Re: NXC/NBC release news
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 30 Mar 2007 14:11:44 GMT
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Original-From:
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davis_nxt <dmle@doc.ic.ac.ukSTOPSPAMMERS>
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Viewed:
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4385 times
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Hi,
Sorry for asking a naive question but I have been trying to create and
manipulate an array
of strings in NXC without much success. Here is the little test program that
I use:
#include "NXCDefs.h"
task main() {
string sarr[];
ArrayInit(sarr, "*",3);
string s1 = "hello";
string s2 = "world";
sarr[0]=s1;
sarr[1]=s2;
string ss1 = sarr[0];
string ss2 = sarr[1];
string tmp = StrCat(ss1, ss2);
TextOut(0, LCD_LINE1, tmp);
Wait(3000);
}
I would have expected the string "hello world" to be printed. However, "* *"
is printed instead.
It seems that the value assignment operators for sarr's elements did not
work.
Am I using the right syntax?
Any help is much appreciated.
Thanks,
Duc
John Hansen-4 wrote:
>
> I have posted sourcecode and the win32 build of beta 25 for NBC/NXC. The
> Linux
> and Mac OSX binaries will be available later today.
>
> February 8, 2007 - NBC 1.0.1.b25 beta is available.
>
> - Fixes a string whitespace bug introduced in b22
> - Fixes a division bug where 1st operand is negative and 2nd operand is
> unsigned
> - Fixes bugs in the NBC and NXC file I/O macros
> - Adds support in NXC for string indexing
> string msg = "test";
> msg[0] = 'C';
> byte x = msg[2];
> - Adds support in NXC for inline functions
> inline int Double(const int x) { return x*2; }
> - Adds support in NXC for const and reference function argument types
> bool IsFooBar(int x, int &handle) { handle = 10; x = x+1; return x >
> 2; }
> - Adds support in NXC for const variable declarations
> const int myVar = 12; // myVar cannot be changed.
> - Adds support in NXC for arrays of strings
> string myStrings[];
> ArrayInit(myStrings, "", 4); // set array of strings to a size of 4
> (0..3)
> myStrings[0] = "please work";
> myStrings[1] = "testing";
> - Improves NXC parameter type checking in function calls
> - Adds NBC API macros to simplify NXT<->NXT bluetooth communication
> ReceiveRemoteBool(queue, clear, bval, result)
> ReceiveRemoteNumber(queue, clear, val, result)
> ReceiveRemoteString(queue, clear, str, result)
> ReceiveRemoteMessageEx(queue, clear, str, val, bval, result)
> SendRemoteBool(conn, queue, bval, result)
> SendRemoteNumber(conn, queue, val, result)
> SendRemoteString(conn, queue, str, result)
> SendResponseBool(queue, bval, result)
> SendResponseNumber(queue, val, result)
> SendResponseString(queue, msg, result)
> - Adds NBC API macros for sending direct commands to another NXT
> RemoteMessageRead(conn, queue, result)
> RemoteMessageWrite(conn, queue, msg, result) // alias for
> SendRemoteString
> RemoteStartProgram(conn, filename, result)
> RemoteStopProgram(conn, result)
> RemotePlaySoundFile(conn, filename, bloop, result)
> RemotePlayTone(conn, frequency, duration, result)
> RemoteStopSound(conn, result)
> RemoteKeepAlive(conn, result)
> RemoteResetScaledValue(conn, port, result)
> RemoteResetMotorPosition(conn, port, brelative, result)
> RemoteSetInputMode(conn, port, type, mode, result)
> RemoteSetOutputState(conn, port, speed, mode, regmode, turnpct,
> runstate,
> tacholimit, result)
> - Adds NXC API macros to simplify NXT<->NXT bluetooth communication
> result = ReceiveRemoteBool(queue, clear, bval)
> result = ReceiveRemoteNumber(queue, clear, val)
> result = ReceiveRemoteString(queue, clear, str)
> result = ReceiveRemoteMessageEx(queue, clear, str, val, bval)
> result = SendRemoteBool(conn, queue, bval)
> result = SendRemoteNumber(conn, queue, val)
> result = SendRemoteString(conn, queue, str)
> result = SendResponseBool(queue, bval)
> result = SendResponseNumber(queue, val)
> result = SendResponseString(queue, msg)
> - Adds NXC API macros for sending direct commands to another NXT
> result = RemoteMessageRead(conn, queue)
> result = RemoteMessageWrite(conn, queue, msg) // alias for
> SendRemoteString
> result = RemoteStartProgram(conn, filename)
> result = RemoteStopProgram(conn)
> result = RemotePlaySoundFile(conn, filename, bloop)
> result = RemotePlayTone(conn, frequency, duration)
> result = RemoteStopSound(conn)
> result = RemoteKeepAlive(conn)
> result = RemoteResetScaledValue(conn, port)
> result = RemoteResetMotorPosition(conn, port, brelative)
> result = RemoteSetInputMode(conn, port, type, mode)
> result = RemoteSetOutputState(conn, port, speed, mode, regmode,
> turnpct,
> runstate, tacholimit)
>
> John Hansen
> http://bricxcc.sourceforge.net/
>
>
--
View this message in context: http://www.nabble.com/NXC-NBC-release-news-tf3197029.html#a9753896
Sent from the LEGO Robotics mailing list archive at Nabble.com.
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Message has 1 Reply:
 | | Re: NXC/NBC release news
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| (...) The standard NXT firmware has a bug in the replace opcode which makes it impossible to use with multi-dimensional arrays (or ragged arrays of arrays). I have fixed this bug and submitted the code to folks at NI and LEGO for possible inclusion (...) (18 years ago, 30-Mar-07, to lugnet.robotics)
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Message is in Reply To:
| | NXC/NBC release news
|
| I have posted sourcecode and the win32 build of beta 25 for NBC/NXC. The Linux and Mac OSX binaries will be available later today. February 8, 2007 - NBC 1.0.1.b25 beta is available. - Fixes a string whitespace bug introduced in b22 - Fixes a (...) (18 years ago, 9-Feb-07, to lugnet.robotics, lugnet.robotics.nxt)
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