Pepper Computer RS232, RS485 user manual SMREL1Init Syntax, Description

Chapter 4 Digital Modules SMART I/O User’s Manual

Note

If the same SM-REL1 Module is to be accessed from different tasks, the user must make sure that the actual output status is ensured by using for example, semaphores within OS-9.

4.3.8.2 SMREL1Init

Syntax

error_code SMREL1Init(u_int8 PortNr);

Description

This function initializes the SM-REL1 Module on port PortNr by setting the relays to OPEN, relay LED status to OFF and the external Vcc as input.

4

Input

u_int8 PortNr

Output

error_code

Example

SM-Port to initialize (from 0 to 10)

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 = SMREL1Init(0);

March 12, 1996 ©1996 PEP Modular Computers GmbH Page 4 - 39