new pin validation routines; don't use mp_const_none if NULL will do

1 files changed, 5 insertions, 1 deletions

diff --git a/shared-bindings/microcontroller/Pin.h b/shared-bindings/microcontroller/Pin.h
index 2d15dd5c5..2b4083827 100644
--- a/shared-bindings/microcontroller/Pin.h
+++ b/shared-bindings/microcontroller/Pin.h
@@ -33,7 +33,11 @@
 // Type object used in Python. Should be shared between ports.
 extern const mp_obj_type_t mcu_pin_type;
 
-void assert_pin(mp_obj_t obj, bool none_ok);
+mcu_pin_obj_t *validate_is_pin(mp_obj_t obj);
+mcu_pin_obj_t *validate_is_pin_or_none(mp_obj_t obj);
+mcu_pin_obj_t *validate_is_free_pin(mp_obj_t obj);
+mcu_pin_obj_t *validate_is_free_pin_or_none(mp_obj_t obj);
+
 void assert_pin_free(const mcu_pin_obj_t* pin);
 
 bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t* pin);