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-rw-r--r--digital/io/src/top.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/digital/io/src/top.h b/digital/io/src/top.h
index 7595a24c..f5ce89ff 100644
--- a/digital/io/src/top.h
+++ b/digital/io/src/top.h
@@ -25,6 +25,9 @@
*
* }}} */
+/** Currently collected food. */
+extern uint8_t top_food;
+
/**
* Initialize top module.
*/