EasySync USB2-F-7101 Manual de usuario descargar pdf (Pagina 5)

Document Reference No.: ES_000010

USB2-F-7x01 Programming Guide

Version 1.01

Clearance No.: ES# 27

2.2 High-Level language API

2.2.1 canplus_getFirstAdapter

Summary

Search the system for available USB2-F-7x01 adapters.

Definition

int canplus_getFirstAdapter ( char *szAdapter, int size );

Parameters

szAdapter pointer to the serial number of the first USB2-F-7x01 found

size size of the buffer to receive the serial number

Remarks

The serial number is a string consisting of 8-bytes plus null termination. Allocate a 9 byte buffer

to obtain the serial number.

Adapter detection may need to be done on a separate thread or process if it is likely that the

USB2-F-7x01 adapters are installed and/or removed after the device driver has been loaded.

Return Codes

>0 Number of USB2-F-7x01 adapters found

<= 0 Error as noted below:

ERROR_CANPLUS_MEMORY_ERROR

If szAdapter buffer size (size variable) is less than 9B

ERROR_CANPLUS_FAIL

Unable to get information about adapters

ERROR_CANPLUS_NO_DEVICE

No devices found

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EasySync USB2-F-7101 Manual de usuario Pagina 5