Ioctl_usbio_get_device_power_state, Universal usb device driver (usbio) – Motorola USB08 User Manual

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Designer Reference Manual

USB08 Evaluation Board

170

Universal USB Device Driver (USBIO)

MOTOROLA

Universal USB Device Driver (USBIO)

IOCTL_USBIO_GET_DEVICE_POWER_STATE

The IOCTL_USBIO_GET_DEVICE_POWER_STATE operation returns
the current power state of the device.

lpInBuffer

Not used with this operation. Set to NULL.

nInBufferSize

Not used with this operation. Set to zero.

lpOutBuffer

Pointer to a buffer that will receive an USBIO_DEVICE_POWER
(

) data structure.

nOutBufferSize

Specifies the size, in bytes, of the buffer pointed to by

lpOutBuffer

which has to be at least sizeof(USBIO_DEVICE_POWER) for this
operation.

Comments

The device power state is maintained internally by the USBIO driver.
This request may be used to query the current power state.