+static inline
+int usb_app_epnum2event_mask(int epnum)
+{
+ int evmask;
+ int evbit;
+ /* LPC17xx EP1RX 0x04, EP1TX 0x08, EP2RX 0x10, EP2TX 0x20 */
+
+ evbit = (epnum & ~USB_ENDPOINT_DIRECTION_MASK) * 2;
+ if (epnum & USB_ENDPOINT_DIRECTION_MASK)
+ evbit++;
+
+ evmask = 1 << evbit;
+
+ return evmask;
+}
+