UsbDeviceGetStatus

Description

Executes the Standard Device Request that obtains the status of a USB device.

Syntax

ulrc = UsbDeviceGetStatus(Handle,pucStatus)

Parameters

Handle

the Device Handle received from the previous UsbOpen.

pucStatus

the name of the variable to receive the Device Status.

Return Code

0x0000 - NO_ERROR

Errors

0x0006 - ERROR_INVALID_HANDLE
0x0008 - ERROR_NOT_ENOUGH_MEMORY
0x0057 - ERROR_INVALID_PARAMETER
0x005F - ERROR_INTERRUPT
0x0122 - ERROR_TOO_MANY_HANDLES
0x0280 - ERROR_TIMEOUT
0x1B58 - USB_NOT_INIT
0x4000 - USB_IORB_REQUEST
0x80XX - USB_IORB_FAILED

Example Code

//Code Snippet - UsbDeviceGetStatus
{
  APIRET ulrc;
  PUCHAR pucStatus;
  UCHAR ucStatus;

  pucStatus = &ucStatus;
  ulrc = UsbDeviceGetStatus(Handle,pucStatus);
  printf("\nUsbDeviceGetStatus - ulrc: 0x%04X (%hu)",ulrc,ulrc);
  if (!ulrc) //success
  {
    printf(" - Status: %hu",ucStatus);
  }
}