Pepper Computer RS485, RS232 user manual SMREL1GetRly Syntax

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

4.3.8.5 SMREL1GetRly

Syntax

error_code SMREL1GetRly(u_int8 PortNr, u_int8 *buffer);

Description

This function gets the input of the port PortNr and writes it to the buffer. Bits 0-5 of the buffer reflect the Relay setting:

0 = relay closed

1 = relay open Bits 6 and 7 are cleared.

Input

u_int8 PortNr u_int8 *buffer

Output

error_code

Example

SM-Port number to get data

Pointer to Buffer where data is written

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 = SMREL1GetRly(0, buffer);

Page 4 - 42 ©1996 PEP Modular Computers GmbH March 12, 1996