diff options
Diffstat (limited to 'shared-bindings/displayio/Display.c')
| -rw-r--r-- | shared-bindings/displayio/Display.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c index 0d056bc3b..109df8af4 100644 --- a/shared-bindings/displayio/Display.c +++ b/shared-bindings/displayio/Display.c @@ -109,8 +109,13 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a mp_buffer_info_t bufinfo; mp_get_buffer_raise(args[ARG_init_sequence].u_obj, &bufinfo, MP_BUFFER_READ); - mp_obj_t backlight_pin = args[ARG_backlight_pin].u_obj; - assert_pin_free(backlight_pin); + mp_obj_t backlight_pin_obj = args[ARG_backlight_pin].u_obj; + assert_pin(backlight_pin_obj, true); + const mcu_pin_obj_t* backlight_pin = NULL; + if (backlight_pin_obj != NULL && backlight_pin_obj != mp_const_none) { + backlight_pin = MP_OBJ_TO_PTR(backlight_pin_obj); + assert_pin_free(backlight_pin); + } displayio_display_obj_t *self = NULL; for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) { @@ -127,7 +132,7 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a common_hal_displayio_display_construct(self, display_bus, args[ARG_width].u_int, args[ARG_height].u_int, args[ARG_colstart].u_int, args[ARG_rowstart].u_int, args[ARG_color_depth].u_int, args[ARG_set_column_command].u_int, args[ARG_set_row_command].u_int, - args[ARG_write_ram_command].u_int, bufinfo.buf, bufinfo.len, backlight_pin); + args[ARG_write_ram_command].u_int, bufinfo.buf, bufinfo.len, MP_OBJ_TO_PTR(backlight_pin)); return self; } |