From: Keith Packard <keithp@keithp.com>
Date: Tue, 23 Apr 2013 01:30:31 +0000 (-0500)
Subject: altos/stm: Allow core timer to be excluded from build
X-Git-Tag: 1.2.1~35
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=02681adbc5919bd3713788da352aa36ace619ef4;ds=sidebyside

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>
---

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)
 {