Pepper Computer Modular Computers RS232 User Manual

SMART I/O User’s Manual

October 01, 1996

©1996 PEP Modular Computers GmbH

Page 6- 32

Chapter 6  Communications Modules

error_code SMSSISetSetPoint(u_int8 PortNr,

  u_int32 Setpoint);

This function copies the setpoint to an internal register which will only be

sent to the SM-SSI when the function SMSSISetCtrlReg() is called. This

function is used to set the preset value for the comparator if testing for a

match.

u_int8 PortNr

Number of the SM port to set

u_int32 Setpoint

Value of the comparator register

(0x0 -> 0xFFFFFF) 24-bit

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).

RetVal = SMSSISetSetPoint(0, 0xFF00FF);