Pepper Computer RS485, RS232 user manual SMREL1GetExtVcc Syntax

SMART I/O User’s Manual Chapter 4 Digital Modules

4.3.8.9 SMREL1GetExtVcc

Syntax

error_code SMREL1GetExtVcc(u_int8 PortNr, u_int8 *buffer);

Description

This function gets the input of the port PortNr and writes it to buffer. If there is no external Vcc, then it returns 0, otherwise it returns 1.

Input

u_int8 PortNr u_int8 *buffer

Output

error_code

Example

SM-Port number to get data

pointer to buffer where data is written

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 = SMREL1GetExtVcc(0, buffer);

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