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DeviceDID - Return the Device ID (device firmware version)
This is a USBm.dll function that returns the Device ID from a USB device.
number USBm_DeviceDID( device )
The USBm_DeviceDID function syntax has these parts:
|device||Valid device from 0 to the maximum number of devices found (minus 1) . Any other number results in a FALSE return.|
Note: USBm_DeviceDID returns FALSE for an invalid device, otherwise the return value is the device DID
VB Declaration (USBmAPI.bas)
|Public Declare Function USBm_DeviceDID _|
Lib "USBm.dll" _
(ByVal device As Byte) _
|Dim result As Integer|
result = USBm_DeviceDID
This code fragment shows that result is loaded with the DID of the device, or with FALSE if the device does not exist.
|int USBm_DeviceDID( unsigned char device );|
DID, PID, VID, Mfr, Prod, Serial Number, and Firmware Version are all handled by the RobotBASIC function 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:
Hardware: U401 USB Interface U421 USB Interface U451 USB Interface
Programming: USBm DLL Programming Download Files
Application Notes: U4x1 Application Notes Misc Applications and Information FAQ
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