Symbol: UMIDI_TX_FRAMES
sys/bus/u4b/audio/uaudio.c
238
#define UMIDI_TX_BUFFER (UMIDI_TX_FRAMES * 4) /* bytes */
sys/bus/u4b/audio/uaudio.c
5721
if ((nframes >= UMIDI_TX_FRAMES) || (chan->single_command != 0))