//*****************************************************************************
//
//! This function is used open an instance of a mouse.
//!
//! \param pfnCallback is the callback function to call when new events occur
//! with the mouse returned.
//! \param pui8Buffer is the memory used by the driver to interact with the
//! USB mouse.
//! \param ui32Size is the size of the buffer provided by \e pui8Buffer.
//!
//! This function is used to open an instance of the mouse. The value
//! returned from this function should be used as the instance identifier for
//! all other USBHMouse calls. The \e pui8Buffer memory buffer is used to
//! access the mouse. The buffer size required is at least enough to hold
//! a normal report descriptor for the device.
//!
//! \return Returns the instance identifier for the mouse that is attached.
//! If there is no mouse present this will return 0.
//
//*****************************************************************************
tUSBHMouse *
USBHMouseOpen(tUSBHIDMouseCallback pfnCallback, uint8_t *pui8Buffer,
uint32_t ui32Size)
{
//
// Save the callback and data pointers.
//
g_sUSBHMouse.pfnCallback = pfnCallback;
//
// Save the instance pointer for the HID device that was opened.
//
g_sUSBHMouse.psHIDInstance = USBHHIDOpen(eUSBHHIDClassMouse,
USBHMouseCallback,
(void *)&g_sUSBHMouse);
//
// Save the heap buffer and size.
//
g_sUSBHMouse.pui8Heap = pui8Buffer;
g_sUSBHMouse.ui32HeapSize = ui32Size;
return(&g_sUSBHMouse);
}
//*****************************************************************************
//
//! This function is used open an instance of a mouse.
//!
//! \param pfnCallback is the callback function to call when new events occur
//! with the mouse returned.
//! \param pucBuffer is the memory used by the driver to interact with the
//! USB mouse.
//! \param ulSize is the size of the buffer provided by \e pucBuffer.
//!
//! This function is used to open an instance of the mouse. The value
//! returned from this function should be used as the instance identifier for
//! all other USBHMouse calls. The \e pucBuffer memory buffer is used to
//! access the mouse. The buffer size required is at least enough to hold
//! a normal report descriptor for the device.
//!
//! \return Returns the instance identifier for the mouse that is attached.
//! If there is no mouse present this will return 0.
//
//*****************************************************************************
unsigned long
USBHMouseOpen(tUSBCallback pfnCallback, unsigned char *pucBuffer,
unsigned long ulSize)
{
//
// Save the callback and data pointers.
//
g_sUSBHMouse.pfnCallback = pfnCallback;
//
// Save the instance pointer for the HID device that was opened.
//
g_sUSBHMouse.ulMouseInstance = USBHHIDOpen(USBH_HID_DEV_MOUSE,
USBHMouseCallback,
(unsigned long)&g_sUSBHMouse);
//
// Save the heap buffer and size.
//
g_sUSBHMouse.pucHeap = pucBuffer;
g_sUSBHMouse.ulHeapSize = ulSize;
return((unsigned long)&g_sUSBHMouse);
}