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-rw-r--r--digital/io-hub/src/robospierre/clamp.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/digital/io-hub/src/robospierre/clamp.h b/digital/io-hub/src/robospierre/clamp.h
index bb15b62e..a59e91ae 100644
--- a/digital/io-hub/src/robospierre/clamp.h
+++ b/digital/io-hub/src/robospierre/clamp.h
@@ -68,6 +68,15 @@ clamp_move (uint8_t pos);
void
clamp_move_element (uint8_t from, uint8_t to);
+/** Drop an element tower. Return 0 if not currently possible. If
+ * drop_direction is forward, drop at the back. */
+uint8_t
+clamp_drop (uint8_t drop_direction);
+
+/** Signal robot advanced, and drop is finished. */
+void
+clamp_drop_clear (void);
+
/** Examine sensors to generate new events, return non zero if an event was
* generated. */
uint8_t