EPCOM_Flag
flagr = bus_space_read_4(iot, ioh, EPCOM_Flag);
flagr = bus_space_read_4(iot, ioh, EPCOM_Flag);
while ((bus_space_read_4(iot, ioh, EPCOM_Flag) & Flag_TXFF) == 0) {
while ((bus_space_read_4(iot, ioh, EPCOM_Flag) & Flag_RXFE) == 0
while((bus_space_read_4(iot, ioh, EPCOM_Flag) & Flag_TXFF) != 0)
while((bus_space_read_4(iot, ioh, EPCOM_Flag) & Flag_TXFE) == 0)
while ((bus_space_read_4(iot, ioh, EPCOM_Flag) & Flag_RXFE) != 0)