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-rw-r--r--shared-bindings/microcontroller/Pin.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/shared-bindings/microcontroller/Pin.h b/shared-bindings/microcontroller/Pin.h
index bb5256b55..f6659db7d 100644
--- a/shared-bindings/microcontroller/Pin.h
+++ b/shared-bindings/microcontroller/Pin.h
@@ -37,6 +37,7 @@ mcu_pin_obj_t *validate_obj_is_pin(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_pin_or_none(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_free_pin(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_free_pin_or_none(mp_obj_t obj);
+void validate_list_is_free_pins(qstr what, mcu_pin_obj_t **pins_out, mp_int_t max_pins, mp_obj_t seq, uint8_t *count_out);
void assert_pin_free(const mcu_pin_obj_t* pin);