-#define ao_fifo_insert(f,c) do { \
- (f).fifo[(f).insert] = (c); \
- (f).insert = ((f).insert + 1) & (SERIAL_FIFO-1); \
-} while(0)
-
-#define ao_fifo_remove(f,c) do {\
- c = (f).fifo[(f).remove]; \
- (f).remove = ((f).remove + 1) & (SERIAL_FIFO-1); \
-} while(0)
-
-#define ao_fifo_full(f) ((((f).insert + 1) & (SERIAL_FIFO-1)) == (f).remove)
-#define ao_fifo_empty(f) ((f).insert == (f).remove)
-