Pepper-computer Modular Computers RS485 Instrukcja Użytkownika Pobierz pdf (Strona 314)

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101

SMART I/O User’s Manual

October 01, 1996

Page 6- 32

Chapter 6 Communications Modules

6.2.12.4 SMSSISetSetPoint

Syntax

error_code SMSSISetSetPoint(u_int8 PortNr,

u_int32 Setpoint);

Description

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.

Input

u_int8 PortNr Number of the SM port to set

u_int32 Setpoint Value of the comparator register

(0x0 -> 0xFFFFFF) 24-bit

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 = SMSSISetSetPoint(0, 0xFF00FF);

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