return dma_done;
}
+#ifndef PACKET_HAS_MASTER
+#define PACKET_HAS_MASTER 1
+#endif
+
+#if PACKET_HAS_MASTER
void
ao_packet_flush(void)
{
if (ao_packet_tx_used && ao_packet_master_sleeping)
ao_wake_task(&ao_packet_task);
}
+#endif /* PACKET_HAS_MASTER */
void
ao_packet_putchar(char c) __reentrant
{
while (ao_packet_tx_used == AO_PACKET_MAX && ao_packet_enable) {
+#if PACKET_HAS_MASTER
ao_packet_flush();
+#endif
ao_sleep(&tx_data);
}