PEP Modular Computers Modular Computers RS485 User Manual page 113

Chapter 4 Digital Modules
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
Output
error_code
Example
RetVal = SMDOUT1Init(0);
March 12, 1996
Note
SM-Port number to initialize
(from 0 to 10)
SUCCESS
If the module is unknown
E_BMODE
or standard OS-9 error code (refer to the OS-9 Technical
Manual Error Codes Section).
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
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