ADLINK ACL-8112 Series - Manual (Page 67)

C Language Library • 59
7.5 _8112_DO
Description
This function is used to write data to the digital output port. There are 16
digital outputs on the ACL-8112, they are divided into two categories,
DO_LO_BYTE and DO_HI_BYTE. Channel 0 to channel 7 is defined as
the DO_LO_BYTE port and channels 8 to 15 are defined as the
DO_HI_BYTE port.
Syntax
int _8112_DO(int port_number, unsigned char data )
int _8112pg_DO(int port_number, unsigned char data )
Argument:
port_number: DO_LO_BYTE or DO_HI_BYTE
data: value will be written to digital output port
Return Code:
ERR_NoError
ERR_BoardNoInit
ERR_PortError
Example:
#include “8112.h”
main()
{
_8112_Initial( CARD_1, A8112B_DG, 0x220 );
/* Assume NoError when Initialize ACL-8112/DG ver.B
card */
.
.
_8112_DO( DO_LO_BYTE , 0x55 );
printf( "The low byte is now 0x55.\n" );
_8112_DO( DO_HI_BYTE , 0xAA );
printf( "The high byte is now 0xAA.\n" );
}
A more detailed program is provided in this software
'DO_DEMO.C'