Expose rotation with a property

shared-bindings/displayio/Display.c

@@ -329,6 +329,23 @@ const mp_obj_property_t displayio_display_height_obj = {
               (mp_obj_t)&mp_const_none_obj},
 };
 
+//|   .. attribute:: rotation
+//|
+//|     The rotation of the display as an int in degrees.
+//|
+STATIC mp_obj_t displayio_display_obj_get_rotation(mp_obj_t self_in) {
+    displayio_display_obj_t *self = native_display(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_display_get_rotation(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_rotation_obj, displayio_display_obj_get_rotation);
+
+const mp_obj_property_t displayio_display_rotation_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&displayio_display_get_rotation_obj,
+              (mp_obj_t)&mp_const_none_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
 //|   .. attribute:: bus
 //|
 //|	The bus being used by the display
@@ -479,6 +496,7 @@ STATIC const mp_rom_map_elem_t displayio_display_locals_dict_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_display_width_obj) },
     { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&displayio_display_height_obj) },
+    { MP_ROM_QSTR(MP_QSTR_rotation), MP_ROM_PTR(&displayio_display_rotation_obj) },
     { MP_ROM_QSTR(MP_QSTR_bus), MP_ROM_PTR(&displayio_display_bus_obj) },
     //    { MP_ROM_QSTR(MP_QSTR_screenshot), MP_ROM_PTR(&displayio_display_screenshot_obj) },
 };

shared-bindings/displayio/Display.h

@@ -68,6 +68,7 @@ void common_hal_displayio_display_set_auto_brightness(displayio_display_obj_t* s
 
 uint16_t common_hal_displayio_display_get_width(displayio_display_obj_t* self);
 uint16_t common_hal_displayio_display_get_height(displayio_display_obj_t* self);
+uint16_t common_hal_displayio_display_get_rotation(displayio_display_obj_t* self);
 
 mp_float_t common_hal_displayio_display_get_brightness(displayio_display_obj_t* self);
 bool common_hal_displayio_display_set_brightness(displayio_display_obj_t* self, mp_float_t brightness);

shared-module/displayio/Display.c

@@ -119,7 +119,7 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self,
 
     self->width = width;
     self->height = height;
-    rotation = rotation % 360;
+    self->rotation = rotation % 360;
     self->transform.x = 0;
     self->transform.y = 0;
     self->transform.scale = 1;
@@ -242,6 +242,10 @@ uint16_t common_hal_displayio_display_get_height(displayio_display_obj_t* self){
     return self->height;
 }
 
+uint16_t common_hal_displayio_display_get_rotation(displayio_display_obj_t* self){
+    return self->rotation;
+}
+
 void common_hal_displayio_display_set_auto_brightness(displayio_display_obj_t* self, bool auto_brightness) {
     self->auto_brightness = auto_brightness;
 }

shared-module/displayio/Display.h

@@ -55,6 +55,7 @@ typedef struct {
     mp_float_t current_brightness;
     uint16_t width;
     uint16_t height;
+    uint16_t rotation;
     _displayio_colorspace_t colorspace;
     int16_t colstart;
     int16_t rowstart;