-void sudav_isr() __interrupt(SUDAV_ISR);
-void sof_isr() __interrupt(SOF_ISR);
-void sutok_isr() __interrupt(SUTOK_ISR);
-void suspend_isr() __interrupt(SUSPEND_ISR);
-void usbreset_isr() __interrupt(USBRESET_ISR);
-void hispeed_isr() __interrupt(HISPEED_ISR);
-void ep0ack_isr() __interrupt(EP0ACK_ISR);
-void ep0in_isr() __interrupt(EP0IN_ISR);
-void ep0out_isr() __interrupt(EP0OUT_ISR);
-void ep1in_isr() __interrupt(EP1IN_ISR);
-void ep1out_isr() __interrupt(EP1OUT_ISR);
-void ep2_isr() __interrupt(EP2_ISR);
-void ep4_isr() __interrupt(EP4_ISR);
-void ep6_isr() __interrupt(EP6_ISR);
-void ep8_isr() __interrupt(EP8_ISR);
-void ibn_isr() __interrupt(IBN_ISR);
-void ep0ping_isr() __interrupt(EP0PING_ISR);
-void ep1ping_isr() __interrupt(EP1PING_ISR);
-void ep2ping_isr() __interrupt(EP2PING_ISR);
-void ep4ping_isr() __interrupt(EP4PING_ISR);
-void ep6ping_isr() __interrupt(EP6PING_ISR);
-void ep8ping_isr() __interrupt(EP8PING_ISR);
-void errlimit_isr() __interrupt(ERRLIMIT_ISR);
-void ep2isoerr_isr() __interrupt(EP2ISOERR_ISR);
-void ep4isoerr_isr() __interrupt(EP4ISOERR_ISR);
-void ep6isoerr_isr() __interrupt(EP6ISOERR_ISR);
-void ep8isoerr_isr() __interrupt(EP8ISOERR_ISR);
-void spare_isr() __interrupt(RESERVED_ISR); // not used
+void sudav_isr(void) __interrupt(SUDAV_ISR);
+void sof_isr(void) __interrupt(SOF_ISR);
+void sutok_isr(void) __interrupt(SUTOK_ISR);
+void suspend_isr(void) __interrupt(SUSPEND_ISR);
+void usbreset_isr(void) __interrupt(USBRESET_ISR);
+void hispeed_isr(void) __interrupt(HISPEED_ISR);
+void ep0ack_isr(void) __interrupt(EP0ACK_ISR);
+void ep0in_isr(void) __interrupt(EP0IN_ISR);
+void ep0out_isr(void) __interrupt(EP0OUT_ISR);
+void ep1in_isr(void) __interrupt(EP1IN_ISR);
+void ep1out_isr(void) __interrupt(EP1OUT_ISR);
+void ep2_isr(void) __interrupt(EP2_ISR);
+void ep4_isr(void) __interrupt(EP4_ISR);
+void ep6_isr(void) __interrupt(EP6_ISR);
+void ep8_isr(void) __interrupt(EP8_ISR);
+void ibn_isr(void) __interrupt(IBN_ISR);
+void ep0ping_isr(void) __interrupt(EP0PING_ISR);
+void ep1ping_isr(void) __interrupt(EP1PING_ISR);
+void ep2ping_isr(void) __interrupt(EP2PING_ISR);
+void ep4ping_isr(void) __interrupt(EP4PING_ISR);
+void ep6ping_isr(void) __interrupt(EP6PING_ISR);
+void ep8ping_isr(void) __interrupt(EP8PING_ISR);
+void errlimit_isr(void) __interrupt(ERRLIMIT_ISR);
+void ep2isoerr_isr(void) __interrupt(EP2ISOERR_ISR);
+void ep4isoerr_isr(void) __interrupt(EP4ISOERR_ISR);
+void ep6isoerr_isr(void) __interrupt(EP6ISOERR_ISR);
+void ep8isoerr_isr(void) __interrupt(EP8ISOERR_ISR);
+void spare_isr(void) __interrupt(RESERVED_ISR); // not used