-void LC89510_Reset(void);\r
-unsigned short Read_CDC_Host(int is_sub);\r
-void Update_CDC_TRansfer(int which);\r
-void CDC_Update_Header(void);\r
+PICO_INTERNAL_ASM unsigned short Read_CDC_Host(int is_sub);\r
+PICO_INTERNAL void LC89510_Reset(void);\r
+PICO_INTERNAL void Update_CDC_TRansfer(int which);\r
+PICO_INTERNAL void CDC_Update_Header(void);\r