stepper: Use a reusable interface to the "move queue"

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 13 insertions, 1 deletions

diff --git a/src/basecmd.h b/src/basecmd.h
index f4ea1cc7..a6464cad 100644
--- a/src/basecmd.h
+++ b/src/basecmd.h
@@ -4,10 +4,22 @@
 #include <stddef.h> // size_t
 #include <stdint.h> // uint8_t
 
+struct move_node {
+    struct move_node *next;
+};
+struct move_queue_head {
+    struct move_node *first, *last;
+};
+
 void *alloc_chunk(size_t size);
 void move_free(void *m);
 void *move_alloc(void);
-void move_request_size(int size);
+int move_queue_empty(struct move_queue_head *mh);
+struct move_node *move_queue_first(struct move_queue_head *mh);
+int move_queue_push(struct move_node *m, struct move_queue_head *mh);
+struct move_node *move_queue_pop(struct move_queue_head *mh);
+void move_queue_clear(struct move_queue_head *mh);
+void move_queue_setup(struct move_queue_head *mh, int size);
 void *oid_lookup(uint8_t oid, void *type);
 void *oid_alloc(uint8_t oid, void *type, uint16_t size);
 void *oid_next(uint8_t *i, void *type);