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Using define - Revision history
2013-05-18T19:32:04Z
Revision history for this page on the wiki
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http://www.robotc.net/w/index.php?title=Using_define&diff=3471&oldid=prev
Bfeher at 21:23, 15 May 2012
2012-05-15T21:23:17Z
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<td colspan='2' style="background-color: white; color:black;">Revision as of 21:23, 15 May 2012</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{DISPLAYTITLE: Using &#35;define}}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{DISPLAYTITLE: Using &#35;define}}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><yambe:breadcrumb self="Using &#35;define>Programming_Tips_Tricks|Programming Tips Tricks</yambe:breadcrumb></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><yambe:breadcrumb self="Using &#35;define<ins class="diffchange diffchange-inline">"</ins>>Programming_Tips_Tricks|Programming Tips Tricks</yambe:breadcrumb></div></td></tr>
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Bfeher
http://www.robotc.net/w/index.php?title=Using_define&diff=3462&oldid=prev
Bfeher at 20:56, 15 May 2012
2012-05-15T20:56:24Z
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Bfeher
http://www.robotc.net/w/index.php?title=Using_define&diff=3461&oldid=prev
Bfeher: Created page with "{{DISPLAYTITLE: Using #define}} <yambe:breadcrumb self="Using #define>Programming_Tips_Tricks|Programming Tips Tricks</yambe:breadcrumb> <br /> Some of the uses for the #defi..."
2012-05-15T20:52:06Z
<p>Created page with "{{DISPLAYTITLE: Using #define}} <yambe:breadcrumb self="Using #define>Programming_Tips_Tricks|Programming Tips Tricks</yambe:breadcrumb> <br /> Some of the uses for the #defi..."</p>
<p><b>New page</b></p><div>{{DISPLAYTITLE: Using #define}}<br />
<yambe:breadcrumb self="Using #define>Programming_Tips_Tricks|Programming Tips Tricks</yambe:breadcrumb><br />
<br /><br />
<br />
Some of the uses for the #define statement, not all necessarily good programming but it shows that it has other uses beyond just defining constants. More explanation here http://en.wikipedia.org/wiki/C_preprocessor<br /><br />
{|<br />
|-<br />
|<syntaxhighlight lang="ROBOTC"><br />
#pragma config(UART_Usage, UART1, VEX_2x16_LCD, baudRate19200, IOPins, None, None)<br />
#pragma config(Motor, port1, , tmotorNormal, openLoop)<br />
#pragma config(Motor, port2, , tmotorNormal, openLoop)<br />
//*!!Code automatically generated by 'ROBOTC' configuration wizard !!*//<br />
<br />
#define DEBUG<br />
<br />
#define ABS(x) ( (x)>=0?(x):-(x) )<br />
<br />
#define DRIVE_MOTOR(x) do{\<br />
motor[port1] = (x);\<br />
motor[port2] = (x);\<br />
}while(0)<br />
<br />
#define JOY_DRIVE vexJSLeftV<br />
<br />
#define DISPLAY_MOTORS do{\<br />
displayLCDNumber(1, 0, motor[port1], 3);\<br />
displayLCDNumber(1, 8, motor[port2], 3);\<br />
}while(0)<br />
<br />
task main()<br />
{<br />
while(true)<br />
{<br />
DRIVE_MOTOR( vexRT[ JOY_DRIVE ] ); <br />
wait1Msec(20);<br />
<br />
#ifdef DEBUG<br />
DISPLAY_MOTORS;<br />
#endif <br />
}<br />
}<br />
</syntaxhighlight><br />
|}<br /><br />
<br />
<br />
{{tip-from-author<br />
|name=jpearman<br />
|link=http://www.vexforum.com/showpost.php?p=224863&postcount=12<br />
}}</div>
Bfeher