SMART I/O User’s Manual

Chapter 4 Digital Modules

 

 

 

 

 

 

 

 

 

 

4.2.8.5 SMDOUT1Set

Syntax

error_code SMDOUT1Set(u_int8 PortNr, u_int8 *buffer);

Description

This function sets the output of the port PortNr with the contents of the address pointed to by buffer. When writing to this buffer, observe that all 8 outputs are set at the same time.

Input

u_int8 PortNr u_int8 *buffer

Output

error_code

Example

SM-Port number to fetch data Pointer to buffer where the data is to be written

SUCCESS

or standard OS-9 error code (refer to the OS-9 Technical Manual Error Codes Section).

RetVal = SMDOUT1Set(0, buffer);

Buffer Explanation:

D7

D0

Ch.7 Ch.6 Ch.5 Ch.4 Ch.3 Ch.2 Ch.1 Ch.0

Bit Value : 0 = Output is ON 1 = Output is OFF

 

 

 

 

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©1996 PEP Modular Computers GmbH

March 12, 1996

 

 

 

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Pepper Computer RS485, RS232 user manual SMDOUT1Set Syntax