USB Device stack callback structure.

Callback functions used by the device stack to signal events or query status to/from the application. See USBD_Init_TypeDef. Assign members to NULL if your application don't need a specific callback.

Public Attributes#

const USBD_UsbResetCb_TypeDef
usbReset

Called whenever USB reset signalling is detected on the USB port.

const USBD_DeviceStateChangeCb_TypeDef
usbStateChange

Called whenever the device change state.

const USBD_SetupCmdCb_TypeDef
setupCmd

Called on each setup request received from host.

const USBD_IsSelfPoweredCb_TypeDef
isSelfPowered

Called whenever the device stack needs to query if the device is currently self- or bus-powered.

const USBD_SofIntCb_TypeDef
sofInt

Called at each SOF interrupt.

Public Attribute Documentation#

usbReset#

const USBD_UsbResetCb_TypeDef USBD_Callbacks_TypeDef::usbReset

Called whenever USB reset signalling is detected on the USB port.


Definition at line 787 of file platform/middleware/usb_gecko/inc/em_usb.h

usbStateChange#

const USBD_DeviceStateChangeCb_TypeDef USBD_Callbacks_TypeDef::usbStateChange

Called whenever the device change state.


Definition at line 789 of file platform/middleware/usb_gecko/inc/em_usb.h

setupCmd#

const USBD_SetupCmdCb_TypeDef USBD_Callbacks_TypeDef::setupCmd

Called on each setup request received from host.


Definition at line 790 of file platform/middleware/usb_gecko/inc/em_usb.h

isSelfPowered#

const USBD_IsSelfPoweredCb_TypeDef USBD_Callbacks_TypeDef::isSelfPowered

Called whenever the device stack needs to query if the device is currently self- or bus-powered.

Applies to devices which can operate in both modes.


Definition at line 791 of file platform/middleware/usb_gecko/inc/em_usb.h

sofInt#

const USBD_SofIntCb_TypeDef USBD_Callbacks_TypeDef::sofInt

Called at each SOF interrupt.

If NULL, the device stack will not enable the SOF interrupt.


Definition at line 794 of file platform/middleware/usb_gecko/inc/em_usb.h