-#elif defined(SDK_OS_FREE_RTOS)
-
-#define USB_STACK_FREERTOS
-#include "usb_osa_freertos.h"
-
-#elif defined(SDK_OS_UCOSII)
-
-#define USB_STACK_UCOSII
-#include "usb_osa_ucosii.h"
-
-#elif defined(SDK_OS_UCOSIII)
-
-#define USB_STACK_UCOSIII
-#include "usb_osa_ucosiii.h"
-
-#else
-
-#error Not define RTOS in file "usb_osa.h".
-#endif
-#endif
-