needs include

diff --git a/tos/interfaces/I2CPacket.nc b/tos/interfaces/I2CPacket.nc
index e891c3f2c140ecfca7e677dacfce4bbc5b1268eb..2736951da57b6d44344c9384129cdc04fd368533 100644 (file)
--- a/tos/interfaces/I2CPacket.nc
+++ b/tos/interfaces/I2CPacket.nc
@@ -43,6 +43,8 @@
  * Revision:  $Revision$
  */
 
+#include <I2C.h>
+
 interface I2CPacket<addr_size> {
   /**
    * Perform an I2C read operation