From 02681adbc5919bd3713788da352aa36ace619ef4 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Mon, 22 Apr 2013 20:30:31 -0500
Subject: [PATCH] altos/stm: Allow core timer to be excluded from build

This removes all of the support for the base 100Hz timer from the
system, saving space when not needed

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/stm/ao_timer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/stm/ao_timer.c b/src/stm/ao_timer.c
index 5976eb3f..daf2f400 100644
--- a/src/stm/ao_timer.c
+++ b/src/stm/ao_timer.c
@@ -18,6 +18,11 @@
 #include "ao.h"
 #include <ao_task.h>
 
+#ifndef HAS_TICK
+#define HAS_TICK 1
+#endif
+
+#if HAS_TICK
 volatile AO_TICK_TYPE ao_tick_count;
 
 AO_TICK_TYPE
@@ -88,6 +93,8 @@ ao_timer_init(void)
 			   (STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 << STM_SYSTICK_CSR_CLKSOURCE));
 }
 
+#endif
+
 void
 ao_clock_init(void)
 {
-- 
2.30.2