Return the device vendor ID
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:
Part | Description |
device | Valid device from 0 to the maximum number of devices found (minus 1). Any other number results in a FALSE return. |
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 separated by the | character. You can use the Extract() function to extract each section separately if desired. The sections are:
DID
PID
VID
Mfr
Prod
Serial Number
Firmware Version