From 02611efea0c485d78fad08c696c1f56e868d36b8 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 6 Mar 2011 20:56:25 -0800
Subject: altos: Make serial, usb, beeper and accelerometer optional components

Not all boards will have these, so fix places that use them to deal
with that.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/ao_panic.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/ao_panic.c')

diff --git a/src/ao_panic.c b/src/ao_panic.c
index e996371e..fdada201 100644
--- a/src/ao_panic.c
+++ b/src/ao_panic.c
@@ -17,6 +17,14 @@
 
 #include "ao.h"
 
+#ifndef HAS_BEEP
+#error Please define HAS_BEEP
+#endif
+
+#if !HAS_BEEP
+#define ao_beep(x)
+#endif
+
 static void
 ao_panic_delay(uint8_t n)
 {
-- 
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