simplify ao_time function

diff --git a/ao_timer.c b/ao_timer.c
index 716befe658f567acd06f14dfd4f1b0503c007bef..eee5a6d4512c7ffa5a44080df9446153286586cd 100644 (file)
--- a/ao_timer.c
+++ b/ao_timer.c
@@ -19,13 +19,9 @@
 
 static volatile __data uint16_t ao_tick_count;
 
-uint16_t ao_time(void)
+uint16_t ao_time(void) __critical
 {
-       uint16_t ret;
-       __critical {
-               ret = ao_tick_count;
-       }
-       return ret;
+       return ao_tick_count;
 }
 
 void