Pepper Computer Modular Computers RS232 User Manual

SMART I/O User’s Manual

Chapter 4 Digital Modules

©1996 PEP Modular Computers GmbH

March 12, 1996

Page 4 - 43

error_code SMREL1SetRly(u_int8 PortNr,

   u_int8 *buffer);

This function sets the output of the port PortNr with the buffer contents.

Bits 0-5 of the buffer are used to set the Relays:

0 = close relay

1 = open relay

Bits 6 and 7 have no function.

u_int8 PortNr

SM-Port number to set data

u_int8 *buffer

Pointer to buffer where data is stored

error_code

SUCCESS

E_BMODE

if the module is unknown

or standard OS-9 error code (refer to the OS-9

Technical Manual Error Codes Section).

RetVal = SMREL1SetRly(0, buffer);