Pepper-computer Modular Computers RS485 Bedienungsanleitung PDF herunterladen (Seite 132)

100

101

SMART I/O User’s Manual

March 12, 1996

Page 4 - 44

Chapter 4 Digital Modules

4.3.8.7 SMREL1GetLed

Syntax

error_code SMREL1GetLed(u_int8 PortNr,

u_int8 *buffer);

Description

This function gets the status of the User LED on the port PortNr and writes

it to the buffer. If the LED is OFF then it returns 0, otherwise it returns 1.

This function of the LED is for the user to decide.

Input

u_int8 PortNr

SM-Port number to get data

u_int8 *buffer

Pointer to buffer where data is written

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 = SMREL1GetLed(0, buffer);

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 319 320

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