Contec VPC-2000, Руководство пользователя

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Chapter
６
Software utirity
◆General purpose output
The tRasIoWrite function allows you to control the general-purpose output port.
Prototype of function
General Purpose Output int tRasIoWrite ( BYTE data);
Argument Specifies data output to the general-purpose output port.
Output data corresponds to the following bits.
bit 7 6 5 4 3 2 1 0
Meaning - - - - DO4 DO3 DO2 DO1
※ DO3(LED1) and DO4(LED2) are allocated to the two front LEDs.
Return
value When succeeding in executing the function, the specified data is returned.
When failing, the error code is returned.
Header file TinyRAS.h
Inport library TinyRAS.lib
DLL file TinyRAS.dll
The header file and the library file are stored in the place specified when TinyRas is
installed.
（
Initial storage place
：
c:\ Program Files\CONTEC\TinyRAS\
）
Example programming
#include “TinyRAS.h”
int main ( void ){
BYTE dat=0;
dat = tRasIoRead(FALSE);
(dat & 0x08) ? dat &= ~0x08 : dat |= 0x08; // LED:ON
Æ
OFF, OFF
Æ
ON
(void)tRasIoWrite(dat);
return 0;
}
User’s Manual
93