altos: Make ao_tick_count visible

[fw/altos] / src / core / ao.h

diff --git a/src/core/ao.h b/src/core/ao.h
index d4be3be436755a7d4642c19046647d114c122b2f..65b9eb18f409a33a6b32a7e67d68879bc6b558be 100644 (file)
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -125,6 +125,8 @@ ao_panic(uint8_t reason);
  * ao_timer.c
  */
 
+extern volatile __data uint16_t ao_tick_count;
+
 /* Our timer runs at 100Hz */
 #define AO_HERTZ               100
 #define AO_MS_TO_TICKS(ms)     ((ms) / (1000 / AO_HERTZ))