PEP Modular Computers Modular Computers RS485 - Page 113

SMART I/O User’s Manual
©1996 PEP Modular Computers GmbHMarch 12, 1996 Page 4 - 25
4
Chapter 4 Digital Modules
Note
If the same SM-DOUT1 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.
4.2.8.2 SMDOUT1Init
Syntax
error_code SMDOUT1Init(u_int8 PortNr);
Description
This function initializes the SM-DOUT1 Module on port PortNr and sets all
output lines to OFF.
Input
u_int8 PortNr SM-Port number to initialize
(from 0 to 10)
Output
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).
Example
RetVal = SMDOUT1Init(0);