Change altos build process to support per-product compile-time changes

[fw/altos] / src / ao_packet.c

diff --git a/src/ao_packet.c b/src/ao_packet.c
index 98fdcb90388c50803eea8b1ab3c965faa49ea98d..dcd1647c1ed1c7a6bf273b2307012325351d8bce 100644 (file)
--- a/src/ao_packet.c
+++ b/src/ao_packet.c
@@ -113,6 +113,11 @@ ao_packet_recv(void)
        return dma_done;
 }
 
+#ifndef PACKET_HAS_MASTER
+#define PACKET_HAS_MASTER 1
+#endif
+
+#if PACKET_HAS_MASTER
 void
 ao_packet_flush(void)
 {
@@ -122,12 +127,15 @@ 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);
        }