Online Development Notebook > Index > Programming Overview > DLL Commands > DeviceVID

DeviceVID - Return the device vendor ID

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Description:

This is a USBm.dll function that returns the Vendor ID from a USB device.

Command Syntax:

number USBm_DeviceVID( device )

The USBm_DeviceVID function syntax has these parts:

Remarks:

Note: USBm_DeviceVID returns FALSE for an invalid device, otherwise the return value is the device VID

VB Declaration (USBmAPI.bas)

Public Declare Function USBm_DeviceVID _     Lib "USBm.dll" _         (ByVal device As Byte) _     As Integer

VB Example

Dim result As Integer     result = USBm_DeviceVID

This code fragment shows that result is loaded with the VID of the device, or with FALSE if the device does not exist.

C Prototype

int USBm_DeviceVID( unsigned char device );

C Example

RobotBASIC

DID, PID, VID, Mfr, Prod, Serial Number, and Firmware Version are all handled by the RobotBASIC function usbm_DeviceSpecs(ne_DeviceNumber).

usbm_DeviceSpecs(ne_DeviceNumber)

Returns a string that contains information about the device. There are 7 sections seperated by the | character. You can use the Extract() function to extract each section seperately if desired. The sections are:

DID

PID

VID

Mfr

Prod

Serial Number

Firmware Version

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