void EngineInput::UpdateAllStates()
{
MSG msg;
if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
UpdateKeyboardState();
UpdateMouseState();
}
//*****************************************************************************
//
//! This function handles event callbacks from the USB HID driver layer.
//!
//! \param pvMouse is the pointer that was passed in to the USBHHIDOpen()
//! call.
//! \param ui32Event is the event that has been passed up from the HID driver.
//! \param ui32MsgParam has meaning related to the \e ui32Event that occurred.
//! \param pvMsgData has meaning related to the \e ui32Event that occurred.
//!
//! This function will receive all event updates from the HID driver layer.
//! The mouse driver itself will mostly be concerned with report callbacks
//! from the HID driver layer and parsing them into keystrokes for the
//! application that has registered for callbacks with the USBHMouseOpen()
//! call.
//!
//! \return Non-zero values should be assumed to indicate an error condition.
//
//*****************************************************************************
uint32_t
USBHMouseCallback(void *pvMouse, uint32_t ui32Event,
uint32_t ui32MsgParam, void *pvMsgData)
{
tUSBHMouse *psMsInstance;
//
// Recover the pointer to the instance data.
//
psMsInstance = (tUSBHMouse *)pvMouse;
switch(ui32Event)
{
//
// New mouse has been connected so notify the application.
//
case USB_EVENT_CONNECTED:
{
//
// Remember that a mouse is present.
//
psMsInstance->ui32HIDFlags |= USBHMS_DEVICE_PRESENT;
//
// Notify the application that a new mouse was connected.
//
psMsInstance->pfnCallback(0, ui32Event, ui32MsgParam, pvMsgData);
break;
}
case USB_EVENT_DISCONNECTED:
{
//
// No mouse is present.
//
psMsInstance->ui32HIDFlags &= ~USBHMS_DEVICE_PRESENT;
//
// Notify the application that the mouse was disconnected.
//
psMsInstance->pfnCallback(0, ui32Event, ui32MsgParam, pvMsgData);
break;
}
case USB_EVENT_RX_AVAILABLE:
{
//
// New mouse report structure was received.
//
USBHHIDGetReport(psMsInstance->psHIDInstance, 0,
psMsInstance->pui8Buffer, USBHMS_REPORT_SIZE);
//
// Update the current state of the mouse and notify the application
// of any changes.
//
UpdateMouseState(psMsInstance);
break;
}
}
return(0);
}
