EPaper displays work mostly.

9 files changed, 195 insertions, 239 deletions

diff --git a/shared-bindings/displayio/EPaperDisplay.c b/shared-bindings/displayio/EPaperDisplay.c
index d88b4c818..d13d07e4a 100644
--- a/shared-bindings/displayio/EPaperDisplay.c
+++ b/shared-bindings/displayio/EPaperDisplay.c
@@ -24,7 +24,7 @@
  * THE SOFTWARE.
  */
 
-#include "shared-bindings/displayio/Display.h"
+#include "shared-bindings/displayio/EPaperDisplay.h"
 
 #include <stdint.h>
 
@@ -41,147 +41,143 @@
 
 //| .. currentmodule:: displayio
 //|
-//| :class:`Display` -- Manage updating a display over a display bus
+//| :class:`EPaperDisplay` -- Manage updating an epaper display over a display bus
 //| ==========================================================================
 //|
-//| This initializes a display and connects it into CircuitPython. Unlike other
-//| objects in CircuitPython, Display objects live until `displayio.release_displays()`
+//| This initializes an epaper display and connects it into CircuitPython. Unlike other
+//| objects in CircuitPython, EPaperDisplay objects live until `displayio.release_displays()`
 //| is called. This is done so that CircuitPython can use the display itself.
 //|
 //| Most people should not use this class directly. Use a specific display driver instead that will
-//| contain the initialization sequence at minimum.
+//| contain the startup and shutdown sequences at minimum.
 //|
-//| .. class:: Display(display_bus, init_sequence, *, width, height, colstart=0, rowstart=0, rotation=0, color_depth=16, grayscale=False, pixels_in_byte_share_row=True, set_column_command=0x2a, set_row_command=0x2b, write_ram_command=0x2c, set_vertical_scroll=0, backlight_pin=None, brightness_command=None, brightness=1.0, auto_brightness=False, single_byte_bounds=False, data_as_commands=False)
+//| .. class:: EPaperDisplay(display_bus, start_sequence, stop_sequence, *, width, height, ram_width, ram_height, colstart=0, rowstart=0, rotation=0, set_column_window_command=None, set_row_window_command=None, single_byte_bounds=False, write_black_ram_command, black_bits_inverted=False, write_color_ram_command=None, color_bits_inverted=False, refresh_display_command, busy_pin=None, busy_state=True, seconds_per_frame=180, always_toggle_chip_select=False)
 //|
-//|   Create a Display object on the given display bus (`displayio.FourWire` or `displayio.ParallelBus`).
+//|   Create a EPaperDisplay object on the given display bus (`displayio.FourWire` or `displayio.ParallelBus`).
 //|
-//|   The ``init_sequence`` is bitpacked to minimize the ram impact. Every command begins with a
-//|   command byte followed by a byte to determine the parameter count and if a delay is need after.
-//|   When the top bit of the second byte is 1, the next byte will be the delay time in milliseconds.
-//|   The remaining 7 bits are the parameter count excluding any delay byte. The third through final
-//|   bytes are the remaining command parameters. The next byte will begin a new command definition.
-//|   Here is a portion of ILI9341 init code:
-//|
-//|   .. code-block:: python
-//|
-//|     init_sequence = (b"\xe1\x0f\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F" # Set Gamma
-//|                      b"\x11\x80\x78"# Exit Sleep then delay 0x78 (120ms)
-//|                      b"\x29\x80\x78"# Display on then delay 0x78 (120ms)
-//|                     )
-//|      display = displayio.Display(display_bus, init_sequence, width=320, height=240)
-//|
-//|   The first command is 0xe1 with 15 (0xf) parameters following. The second and third are 0x11 and
-//|   0x29 respectively with delays (0x80) of 120ms (0x78) and no parameters. Multiple byte literals
-//|   (b"") are merged together on load. The parens are needed to allow byte literals on subsequent
-//|   lines.
-//|
-//|   The initialization sequence should always leave the display memory access inline with the scan
-//|   of the display to minimize tearing artifacts.
+//|   The ``start_sequence`` and ``stop_sequence`` bitpacked to minimize the ram impact. Every
+//|   command begins with a command byte followed by a byte to determine the parameter count and if
+//|   a delay is need after. When the top bit of the second byte is 1, the next byte will be the
+//|   delay time in milliseconds. The remaining 7 bits are the parameter count excluding any delay
+//|   byte. The third through final bytes are the remaining command parameters. The next byte will
+//|   begin a new command definition.
 //|
 //|   :param display_bus: The bus that the display is connected to
 //|   :type display_bus: displayio.FourWire or displayio.ParallelBus
-//|   :param buffer init_sequence: Byte-packed initialization sequence.
+//|   :param buffer start_sequence: Byte-packed initialization sequence.
+//|   :param buffer stop_sequence: Byte-packed initialization sequence.
 //|   :param int width: Width in pixels
 //|   :param int height: Height in pixels
+//|   :param int ram_width: RAM width in pixels
+//|   :param int ram_height: RAM height in pixels
 //|   :param int colstart: The index if the first visible column
 //|   :param int rowstart: The index if the first visible row
 //|   :param int rotation: The rotation of the display in degrees clockwise. Must be in 90 degree increments (0, 90, 180, 270)
-//|   :param int color_depth: The number of bits of color per pixel transmitted. (Some displays
-//|       support 18 bit but 16 is easier to transmit. The last bit is extrapolated.)
-//|   :param bool grayscale: True if the display only shows a single color.
-//|   :param bool pixels_in_byte_share_row: True when pixels are less than a byte and a byte includes pixels from the same row of the display. When False, pixels share a column.
-//|   :param int set_column_command: Command used to set the start and end columns to update
-//|   :param int set_row_command: Command used so set the start and end rows to update
-//|   :param int write_ram_command: Command used to write pixels values into the update region. Ignored if data_as_commands is set.
-//|   :param int set_vertical_scroll: Command used to set the first row to show
-//|   :param microcontroller.Pin backlight_pin: Pin connected to the display's backlight
-//|   :param int brightness_command: Command to set display brightness. Usually available in OLED controllers.
-//|   :param bool brightness: Initial display brightness. This value is ignored if auto_brightness is True.
-//|   :param bool auto_brightness: If True, brightness is controlled via an ambient light sensor or other mechanism.
-//|   :param bool single_byte_bounds: Display column and row commands use single bytes
-//|   :param bool data_as_commands: Treat all init and boundary data as SPI commands. Certain displays require this.
+//|   :param int set_column_window_command: Command used to set the start and end columns to update
+//|   :param int set_row_window_command: Command used so set the start and end rows to update
+//|   :param int set_current_column_command: Command used to set the current column location
+//|   :param int set_current_row_command: Command used to set the current row location
+//|   :param int write_black_ram_command: Command used to write pixels values into the update region
+//|   :param bool black_bits_inverted: True if 0 bits are used to show black pixels. Otherwise, 1 means to show black.
+//|   :param int write_color_ram_command: Command used to write pixels values into the update region
+//|   :param bool color_bits_inverted: True if 0 bits are used to show the color. Otherwise, 1 means to show color.
+//|   :param int third_color: Color of third ePaper color in RGB888.
+//|   :param int refresh_display_command: Command used to start a display refresh
+//|   :param microcontroller.Pin busy_pin: Pin used to signify the display is busy
+//|   :param bool busy_state: State of the busy pin when the display is busy
+//|   :param int seconds_per_frame: Minimum number of seconds between screen refreshes
+//|   :param bool always_toggle_chip_select: When True, chip select is toggled every byte
 //|
-STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_display_bus, ARG_init_sequence, ARG_width, ARG_height, ARG_colstart, ARG_rowstart, ARG_rotation, ARG_color_depth, ARG_grayscale, ARG_pixels_in_byte_share_row, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_set_vertical_scroll, ARG_backlight_pin, ARG_brightness_command, ARG_brightness, ARG_auto_brightness, ARG_single_byte_bounds, ARG_data_as_commands };
+STATIC mp_obj_t displayio_epaperdisplay_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    enum { ARG_display_bus, ARG_start_sequence, ARG_stop_sequence, ARG_width, ARG_height, ARG_ram_width, ARG_ram_height, ARG_colstart, ARG_rowstart, ARG_rotation, ARG_set_column_window_command, ARG_set_row_window_command, ARG_set_current_column_command, ARG_set_current_row_command, ARG_write_black_ram_command, ARG_black_bits_inverted, ARG_write_color_ram_command, ARG_color_bits_inverted, ARG_third_color, ARG_refresh_display_command,  ARG_busy_pin, ARG_busy_state, ARG_seconds_per_frame, ARG_always_toggle_chip_select };
     static const mp_arg_t allowed_args[] = {
         { MP_QSTR_display_bus, MP_ARG_REQUIRED | MP_ARG_OBJ },
-        { MP_QSTR_init_sequence, MP_ARG_REQUIRED | MP_ARG_OBJ },
+        { MP_QSTR_start_sequence, MP_ARG_REQUIRED | MP_ARG_OBJ },
+        { MP_QSTR_stop_sequence, MP_ARG_REQUIRED | MP_ARG_OBJ },
         { MP_QSTR_width, MP_ARG_INT | MP_ARG_KW_ONLY | MP_ARG_REQUIRED, },
         { MP_QSTR_height, MP_ARG_INT | MP_ARG_KW_ONLY | MP_ARG_REQUIRED, },
+        { MP_QSTR_ram_width, MP_ARG_INT | MP_ARG_KW_ONLY | MP_ARG_REQUIRED, },
+        { MP_QSTR_ram_height, MP_ARG_INT | MP_ARG_KW_ONLY | MP_ARG_REQUIRED, },
         { MP_QSTR_colstart, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
         { MP_QSTR_rowstart, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
         { MP_QSTR_rotation, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
-        { MP_QSTR_color_depth, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 16} },
-        { MP_QSTR_grayscale, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
-        { MP_QSTR_pixels_in_byte_share_row, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} },
-        { MP_QSTR_set_column_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2a} },
-        { MP_QSTR_set_row_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2b} },
-        { MP_QSTR_write_ram_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2c} },
-        { MP_QSTR_set_vertical_scroll, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x0} },
-        { MP_QSTR_backlight_pin, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} },
-        { MP_QSTR_brightness_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = NO_BRIGHTNESS_COMMAND} },
-        { MP_QSTR_brightness, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = MP_OBJ_NEW_SMALL_INT(1)} },
-        { MP_QSTR_auto_brightness, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
-        { MP_QSTR_single_byte_bounds, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
-        { MP_QSTR_data_as_commands, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
+        { MP_QSTR_set_column_window_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = NO_COMMAND} },
+        { MP_QSTR_set_row_window_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = NO_COMMAND} },
+        { MP_QSTR_set_current_column_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = NO_COMMAND} },
+        { MP_QSTR_set_current_row_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = NO_COMMAND} },
+        { MP_QSTR_write_black_ram_command, MP_ARG_INT | MP_ARG_REQUIRED },
+        { MP_QSTR_black_bits_inverted, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
+        { MP_QSTR_write_color_ram_command, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} },
+        { MP_QSTR_color_bits_inverted, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
+        { MP_QSTR_third_color, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x000000} },
+        { MP_QSTR_refresh_display_command, MP_ARG_INT | MP_ARG_REQUIRED },
+        { MP_QSTR_busy_pin, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} },
+        { MP_QSTR_busy_state, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} },
+        { MP_QSTR_seconds_per_frame, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = MP_OBJ_NEW_SMALL_INT(180)} },
+        { MP_QSTR_always_toggle_chip_select, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
     };
     mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
     mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
     mp_obj_t display_bus = args[ARG_display_bus].u_obj;
 
-    mp_buffer_info_t bufinfo;
-    mp_get_buffer_raise(args[ARG_init_sequence].u_obj, &bufinfo, MP_BUFFER_READ);
+    mp_buffer_info_t start_bufinfo;
+    mp_get_buffer_raise(args[ARG_start_sequence].u_obj, &start_bufinfo, MP_BUFFER_READ);
+    mp_buffer_info_t stop_bufinfo;
+    mp_get_buffer_raise(args[ARG_stop_sequence].u_obj, &stop_bufinfo, MP_BUFFER_READ);
 
-    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);
-    }
 
-    mp_float_t brightness = mp_obj_get_float(args[ARG_brightness].u_obj);
+    mp_obj_t busy_pin_obj = args[ARG_busy_pin].u_obj;
+    assert_pin(busy_pin_obj, true);
+    const mcu_pin_obj_t* busy_pin = NULL;
+    if (busy_pin_obj != NULL && busy_pin_obj != mp_const_none) {
+        busy_pin = MP_OBJ_TO_PTR(busy_pin_obj);
+        assert_pin_free(busy_pin);
+    }
 
     mp_int_t rotation = args[ARG_rotation].u_int;
     if (rotation % 90 != 0) {
         mp_raise_ValueError(translate("Display rotation must be in 90 degree increments"));
     }
 
-    displayio_display_obj_t *self = NULL;
+    displayio_epaperdisplay_obj_t *self = NULL;
     for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
         if (displays[i].display.base.type == NULL ||
             displays[i].display.base.type == &mp_type_NoneType) {
-            self = &displays[i].display;
+            self = &displays[i].epaper_display;
             break;
         }
     }
     if (self == NULL) {
         mp_raise_RuntimeError(translate("Too many displays"));
     }
-    self->base.type = &displayio_display_type;
-    common_hal_displayio_display_construct(
+
+    mp_float_t seconds_per_frame = mp_obj_get_float(args[ARG_seconds_per_frame].u_obj);
+
+    mp_int_t write_color_ram_command = NO_COMMAND;
+    mp_int_t third_color = args[ARG_third_color].u_int;
+    if (args[ARG_write_color_ram_command].u_obj != mp_const_none) {
+        write_color_ram_command = mp_obj_get_int(args[ARG_write_color_ram_command].u_obj);
+    }
+
+    self->base.type = &displayio_epaperdisplay_type;
+    common_hal_displayio_epaperdisplay_construct(
         self,
-        display_bus, args[ARG_width].u_int, args[ARG_height].u_int, args[ARG_colstart].u_int, args[ARG_rowstart].u_int, rotation,
-        args[ARG_color_depth].u_int, args[ARG_grayscale].u_bool, args[ARG_pixels_in_byte_share_row].u_bool,
-        args[ARG_set_column_command].u_int, args[ARG_set_row_command].u_int,
-        args[ARG_write_ram_command].u_int,
-        args[ARG_set_vertical_scroll].u_int,
-        bufinfo.buf, bufinfo.len,
-        MP_OBJ_TO_PTR(backlight_pin),
-        args[ARG_brightness_command].u_int,
-        brightness,
-        args[ARG_auto_brightness].u_bool,
-        args[ARG_single_byte_bounds].u_bool,
-        args[ARG_data_as_commands].u_bool
+        display_bus,
+        start_bufinfo.buf, start_bufinfo.len, stop_bufinfo.buf, stop_bufinfo.len,
+        args[ARG_width].u_int, args[ARG_height].u_int, args[ARG_ram_width].u_int, args[ARG_ram_height].u_int, args[ARG_colstart].u_int, args[ARG_rowstart].u_int, rotation,
+        args[ARG_set_column_window_command].u_int, args[ARG_set_row_window_command].u_int,
+        args[ARG_set_current_column_command].u_int, args[ARG_set_current_row_command].u_int,
+        args[ARG_write_black_ram_command].u_int, args[ARG_black_bits_inverted].u_bool, write_color_ram_command, args[ARG_color_bits_inverted].u_bool, third_color, args[ARG_refresh_display_command].u_int,
+        busy_pin, args[ARG_busy_state].u_bool, seconds_per_frame, args[ARG_always_toggle_chip_select].u_bool
         );
 
     return self;
 }
 
 // Helper to ensure we have the native super class instead of a subclass.
-static displayio_display_obj_t* native_display(mp_obj_t display_obj) {
-    mp_obj_t native_display = mp_instance_cast_to_native_base(display_obj, &displayio_display_type);
+static displayio_epaperdisplay_obj_t* native_display(mp_obj_t display_obj) {
+    mp_obj_t native_display = mp_instance_cast_to_native_base(display_obj, &displayio_epaperdisplay_type);
     mp_obj_assert_native_inited(native_display);
     return MP_OBJ_TO_PTR(native_display);
 }
@@ -192,139 +188,75 @@ static displayio_display_obj_t* native_display(mp_obj_t display_obj) {
 //|     CircuitPython terminal will be shown.
 //|
 //|     :param Group group: The group to show.
-STATIC mp_obj_t displayio_display_obj_show(mp_obj_t self_in, mp_obj_t group_in) {
-    displayio_display_obj_t *self = native_display(self_in);
+STATIC mp_obj_t displayio_epaperdisplay_obj_show(mp_obj_t self_in, mp_obj_t group_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
     displayio_group_t* group = NULL;
     if (group_in != mp_const_none) {
         group = MP_OBJ_TO_PTR(native_group(group_in));
     }
 
-    common_hal_displayio_display_show(self, group);
+    bool ok = common_hal_displayio_epaperdisplay_show(self, group);
+    if (!ok) {
+        mp_raise_ValueError(translate("Group already used"));
+    }
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_show_obj, displayio_display_obj_show);
+MP_DEFINE_CONST_FUN_OBJ_2(displayio_epaperdisplay_show_obj, displayio_epaperdisplay_obj_show);
 
 //|   .. method:: refresh_soon()
 //|
 //|     Queues up a display refresh that happens in the background.
 //|
-STATIC mp_obj_t displayio_display_obj_refresh_soon(mp_obj_t self_in) {
-    displayio_display_obj_t *self = native_display(self_in);
-    common_hal_displayio_display_refresh_soon(self);
+STATIC mp_obj_t displayio_epaperdisplay_obj_refresh_soon(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
+    common_hal_displayio_epaperdisplay_refresh_soon(self);
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_refresh_soon_obj, displayio_display_obj_refresh_soon);
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_refresh_soon_obj, displayio_epaperdisplay_obj_refresh_soon);
 
 //|   .. method:: wait_for_frame()
 //|
 //|     Waits until the next frame has been transmitted to the display unless the wait count is
 //|     behind the rendered frames. In that case, this will return immediately with the wait count.
 //|
-STATIC mp_obj_t displayio_display_obj_wait_for_frame(mp_obj_t self_in) {
-    displayio_display_obj_t *self = native_display(self_in);
-    return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_display_wait_for_frame(self));
-}
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_wait_for_frame_obj, displayio_display_obj_wait_for_frame);
-
-//|   .. attribute:: brightness
-//|
-//|     The brightness of the display as a float. 0.0 is off and 1.0 is full brightness. When
-//|     `auto_brightness` is True, the value of `brightness` will change automatically.
-//|     If `brightness` is set, `auto_brightness` will be disabled and will be set to False.
-//|
-STATIC mp_obj_t displayio_display_obj_get_brightness(mp_obj_t self_in) {
-    displayio_display_obj_t *self = native_display(self_in);
-    mp_float_t brightness = common_hal_displayio_display_get_brightness(self);
-    if (brightness < 0) {
-        mp_raise_RuntimeError(translate("Brightness not adjustable"));
-    }
-    return mp_obj_new_float(brightness);
+STATIC mp_obj_t displayio_epaperdisplay_obj_wait_for_frame(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_epaperdisplay_wait_for_frame(self));
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_brightness_obj, displayio_display_obj_get_brightness);
-
-STATIC mp_obj_t displayio_display_obj_set_brightness(mp_obj_t self_in, mp_obj_t brightness_obj) {
-    displayio_display_obj_t *self = native_display(self_in);
-    common_hal_displayio_display_set_auto_brightness(self, false);
-    mp_float_t brightness = mp_obj_get_float(brightness_obj);
-    if (brightness < 0 || brightness > 1.0) {
-        mp_raise_ValueError(translate("Brightness must be 0-1.0"));
-    }
-    bool ok = common_hal_displayio_display_set_brightness(self, brightness);
-    if (!ok) {
-        mp_raise_RuntimeError(translate("Brightness not adjustable"));
-    }
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_brightness_obj, displayio_display_obj_set_brightness);
-
-const mp_obj_property_t displayio_display_brightness_obj = {
-    .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&displayio_display_get_brightness_obj,
-              (mp_obj_t)&displayio_display_set_brightness_obj,
-              (mp_obj_t)&mp_const_none_obj},
-};
-
-//|   .. attribute:: auto_brightness
-//|
-//|     True when the display brightness is adjusted automatically, based on an ambient
-//|     light sensor or other method. Note that some displays may have this set to True by default,
-//|     but not actually implement automatic brightness adjustment. `auto_brightness` is set to False
-//|     if `brightness` is set manually.
-//|
-STATIC mp_obj_t displayio_display_obj_get_auto_brightness(mp_obj_t self_in) {
-    displayio_display_obj_t *self = native_display(self_in);
-    return mp_obj_new_bool(common_hal_displayio_display_get_auto_brightness(self));
-}
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_auto_brightness_obj, displayio_display_obj_get_auto_brightness);
-
-STATIC mp_obj_t displayio_display_obj_set_auto_brightness(mp_obj_t self_in, mp_obj_t auto_brightness) {
-    displayio_display_obj_t *self = native_display(self_in);
-
-    common_hal_displayio_display_set_auto_brightness(self, mp_obj_is_true(auto_brightness));
-
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_auto_brightness_obj, displayio_display_obj_set_auto_brightness);
-
-const mp_obj_property_t displayio_display_auto_brightness_obj = {
-    .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&displayio_display_get_auto_brightness_obj,
-              (mp_obj_t)&displayio_display_set_auto_brightness_obj,
-              (mp_obj_t)&mp_const_none_obj},
-};
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_wait_for_frame_obj, displayio_epaperdisplay_obj_wait_for_frame);
 
 //|   .. attribute:: width
 //|
-//|	Gets the width of the board
+//|	Gets the width of the display in pixels
 //|
 //|
-STATIC mp_obj_t displayio_display_obj_get_width(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_width(self));
+STATIC mp_obj_t displayio_epaperdisplay_obj_get_width(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_epaperdisplay_get_width(self));
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_width_obj, displayio_display_obj_get_width);
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_get_width_obj, displayio_epaperdisplay_obj_get_width);
 
-const mp_obj_property_t displayio_display_width_obj = {
+const mp_obj_property_t displayio_epaperdisplay_width_obj = {
     .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&displayio_display_get_width_obj,
+    .proxy = {(mp_obj_t)&displayio_epaperdisplay_get_width_obj,
               (mp_obj_t)&mp_const_none_obj,
               (mp_obj_t)&mp_const_none_obj},
 };
 
 //|   .. attribute:: height
 //|
-//|	Gets the height of the board
+//|	Gets the height of the display in pixels
 //|
 //|
-STATIC mp_obj_t displayio_display_obj_get_height(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_height(self));
+STATIC mp_obj_t displayio_epaperdisplay_obj_get_height(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_epaperdisplay_get_height(self));
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_height_obj, displayio_display_obj_get_height);
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_get_height_obj, displayio_epaperdisplay_obj_get_height);
 
-const mp_obj_property_t displayio_display_height_obj = {
+const mp_obj_property_t displayio_epaperdisplay_height_obj = {
     .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&displayio_display_get_height_obj,
+    .proxy = {(mp_obj_t)&displayio_epaperdisplay_get_height_obj,
               (mp_obj_t)&mp_const_none_obj,
               (mp_obj_t)&mp_const_none_obj},
 };
@@ -334,37 +266,34 @@ const mp_obj_property_t displayio_display_height_obj = {
 //|	The bus being used by the display
 //|
 //|
-STATIC mp_obj_t displayio_display_obj_get_bus(mp_obj_t self_in) {
-    displayio_display_obj_t *self = native_display(self_in);
+STATIC mp_obj_t displayio_epaperdisplay_obj_get_bus(mp_obj_t self_in) {
+    displayio_epaperdisplay_obj_t *self = native_display(self_in);
     return self->bus;
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_bus_obj, displayio_display_obj_get_bus);
+MP_DEFINE_CONST_FUN_OBJ_1(displayio_epaperdisplay_get_bus_obj, displayio_epaperdisplay_obj_get_bus);
 
-const mp_obj_property_t displayio_display_bus_obj = {
+const mp_obj_property_t displayio_epaperdisplay_bus_obj = {
     .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&displayio_display_get_bus_obj,
+    .proxy = {(mp_obj_t)&displayio_epaperdisplay_get_bus_obj,
               (mp_obj_t)&mp_const_none_obj,
               (mp_obj_t)&mp_const_none_obj},
 };
 
 
-STATIC const mp_rom_map_elem_t displayio_display_locals_dict_table[] = {
-    { MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&displayio_display_show_obj) },
-    { MP_ROM_QSTR(MP_QSTR_refresh_soon), MP_ROM_PTR(&displayio_display_refresh_soon_obj) },
-    { MP_ROM_QSTR(MP_QSTR_wait_for_frame), MP_ROM_PTR(&displayio_display_wait_for_frame_obj) },
-
-    { MP_ROM_QSTR(MP_QSTR_brightness), MP_ROM_PTR(&displayio_display_brightness_obj) },
-    { MP_ROM_QSTR(MP_QSTR_auto_brightness), MP_ROM_PTR(&displayio_display_auto_brightness_obj) },
+STATIC const mp_rom_map_elem_t displayio_epaperdisplay_locals_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&displayio_epaperdisplay_show_obj) },
+    { MP_ROM_QSTR(MP_QSTR_refresh_soon), MP_ROM_PTR(&displayio_epaperdisplay_refresh_soon_obj) },
+    { MP_ROM_QSTR(MP_QSTR_wait_for_frame), MP_ROM_PTR(&displayio_epaperdisplay_wait_for_frame_obj) },
 
-    { 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_bus), MP_ROM_PTR(&displayio_display_bus_obj) },
+    { MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_epaperdisplay_width_obj) },
+    { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&displayio_epaperdisplay_height_obj) },
+    { MP_ROM_QSTR(MP_QSTR_bus), MP_ROM_PTR(&displayio_epaperdisplay_bus_obj) },
 };
-STATIC MP_DEFINE_CONST_DICT(displayio_display_locals_dict, displayio_display_locals_dict_table);
+STATIC MP_DEFINE_CONST_DICT(displayio_epaperdisplay_locals_dict, displayio_epaperdisplay_locals_dict_table);
 
-const mp_obj_type_t displayio_display_type = {
+const mp_obj_type_t displayio_epaperdisplay_type = {
     { &mp_type_type },
-    .name = MP_QSTR_Display,
-    .make_new = displayio_display_make_new,
-    .locals_dict = (mp_obj_dict_t*)&displayio_display_locals_dict,
+    .name = MP_QSTR_EPaperDisplay,
+    .make_new = displayio_epaperdisplay_make_new,
+    .locals_dict = (mp_obj_dict_t*)&displayio_epaperdisplay_locals_dict,
 };
diff --git a/shared-bindings/displayio/EPaperDisplay.h b/shared-bindings/displayio/EPaperDisplay.h
index 6ffabedee..3deeef959 100644
--- a/shared-bindings/displayio/EPaperDisplay.h
+++ b/shared-bindings/displayio/EPaperDisplay.h
@@ -24,47 +24,52 @@
  * THE SOFTWARE.
  */
 
-#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_EPAPERDISPLAY_H
-#define MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_EPAPERDISPLAY_H
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_EPAPERDISPLAY_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_EPAPERDISPLAY_H
 
 #include "common-hal/microcontroller/Pin.h"
 
-#include "shared-module/displayio/Display.h"
+#include "shared-module/displayio/EPaperDisplay.h"
 #include "shared-module/displayio/Group.h"
 
 extern const mp_obj_type_t displayio_epaperdisplay_type;
 
 #define DELAY 0x80
 
-void common_hal_displayio_display_construct(displayio_display_obj_t* self,
-    mp_obj_t bus, uint16_t width, uint16_t height, uint16_t seconds_per_frame,
-    uint16_t rotation, uint16_t color_depth, bool grayscale,
-    uint8_t* init_sequence, uint16_t init_sequence_len, const mcu_pin_obj_t* busy_pin, uint16_t partial_command);
+#define NO_COMMAND 0x100
 
-int32_t common_hal_displayio_display_wait_for_frame(displayio_display_obj_t* self);
+void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* self,
+        mp_obj_t bus, uint8_t* start_sequence, uint16_t start_sequence_len, uint8_t* stop_sequence, uint16_t stop_sequence_len,
+        uint16_t width, uint16_t height, uint16_t ram_width, uint16_t ram_height, int16_t colstart, int16_t rowstart, uint16_t rotation,
+        uint16_t set_column_window_command, uint16_t set_row_window_command,
+        uint16_t set_current_column_command, uint16_t set_current_row_command,
+        uint16_t write_black_ram_command, bool black_bits_inverted, uint16_t write_color_ram_command, bool color_bits_inverted, uint32_t third_color, uint16_t refresh_display_command,
+        const mcu_pin_obj_t* busy_pin, bool busy_state, mp_float_t seconds_per_frame, bool always_toggle_chip_select);
 
-void common_hal_displayio_display_show(displayio_display_obj_t* self, displayio_group_t* root_group);
+int32_t common_hal_displayio_epaperdisplay_wait_for_frame(displayio_epaperdisplay_obj_t* self);
 
-void common_hal_displayio_display_refresh_soon(displayio_display_obj_t* self);
+bool common_hal_displayio_epaperdisplay_show(displayio_epaperdisplay_obj_t* self, displayio_group_t* root_group);
 
-bool displayio_display_begin_transaction(displayio_display_obj_t* self);
-void displayio_display_end_transaction(displayio_display_obj_t* self);
+void common_hal_displayio_epaperdisplay_refresh_soon(displayio_epaperdisplay_obj_t* self);
+
+bool displayio_epaperdisplay_begin_transaction(displayio_epaperdisplay_obj_t* self);
+void displayio_epaperdisplay_end_transaction(displayio_epaperdisplay_obj_t* self);
 
 // The second point of the region is exclusive.
-void displayio_display_set_region_to_update(displayio_display_obj_t* self, displayio_area_t* area);
-bool displayio_display_frame_queued(displayio_display_obj_t* self);
+void displayio_epaperdisplay_set_region_to_update(displayio_epaperdisplay_obj_t* self, displayio_area_t* area);
+bool displayio_epaperdisplay_frame_queued(displayio_epaperdisplay_obj_t* self);
 
-bool displayio_display_refresh_queued(displayio_display_obj_t* self);
-void displayio_display_finish_refresh(displayio_display_obj_t* self);
-void displayio_display_send_pixels(displayio_display_obj_t* self, uint8_t* pixels, uint32_t length);
+bool displayio_epaperdisplay_refresh_queued(displayio_epaperdisplay_obj_t* self);
+void displayio_epaperdisplay_finish_refresh(displayio_epaperdisplay_obj_t* self);
+void displayio_epaperdisplay_send_pixels(displayio_epaperdisplay_obj_t* self, uint8_t* pixels, uint32_t length);
 
-bool common_hal_displayio_display_get_auto_brightness(displayio_display_obj_t* self);
-void common_hal_displayio_display_set_auto_brightness(displayio_display_obj_t* self, bool auto_brightness);
+bool common_hal_displayio_epaperdisplay_get_auto_brightness(displayio_epaperdisplay_obj_t* self);
+void common_hal_displayio_epaperdisplay_set_auto_brightness(displayio_epaperdisplay_obj_t* self, bool auto_brightness);
 
-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_epaperdisplay_get_width(displayio_epaperdisplay_obj_t* self);
+uint16_t common_hal_displayio_epaperdisplay_get_height(displayio_epaperdisplay_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);
+mp_float_t common_hal_displayio_epaperdisplay_get_brightness(displayio_epaperdisplay_obj_t* self);
+bool common_hal_displayio_epaperdisplay_set_brightness(displayio_epaperdisplay_obj_t* self, mp_float_t brightness);
 
-#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_EPAPERDISPLAY_H
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_EPAPERDISPLAY_H
diff --git a/shared-bindings/displayio/FourWire.c b/shared-bindings/displayio/FourWire.c
index 0d41359ee..efd553e2e 100644
--- a/shared-bindings/displayio/FourWire.c
+++ b/shared-bindings/displayio/FourWire.c
@@ -103,31 +103,41 @@ STATIC mp_obj_t displayio_fourwire_make_new(const mp_obj_type_t *type, size_t n_
     return self;
 }
 
-//|   .. method:: send(command, data)
+//|   .. method:: send(command, data, *, toggle_every_byte=False)
 //|
 //|     Sends the given command value followed by the full set of data. Display state, such as
 //|     vertical scroll, set via ``send`` may or may not be reset once the code is done.
 //|
-STATIC mp_obj_t displayio_fourwire_obj_send(mp_obj_t self, mp_obj_t command_obj, mp_obj_t data_obj) {
-    mp_int_t command_int = MP_OBJ_SMALL_INT_VALUE(command_obj);
-    if (!MP_OBJ_IS_SMALL_INT(command_obj) || command_int > 255 || command_int < 0) {
+STATIC mp_obj_t displayio_fourwire_obj_send(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    enum { ARG_command, ARG_data, ARG_toggle_every_byte };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_command, MP_ARG_INT | MP_ARG_REQUIRED },
+        { MP_QSTR_data, MP_ARG_OBJ | MP_ARG_REQUIRED },
+        { MP_QSTR_toggle_every_byte, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
+    };
+    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+    mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+    mp_int_t command_int = args[ARG_command].u_int;
+    if (command_int > 255 || command_int < 0) {
         mp_raise_ValueError(translate("Command must be an int between 0 and 255"));
     }
+    displayio_fourwire_obj_t *self = pos_args[0];
     uint8_t command = command_int;
     mp_buffer_info_t bufinfo;
-    mp_get_buffer_raise(data_obj, &bufinfo, MP_BUFFER_READ);
+    mp_get_buffer_raise(args[ARG_data].u_obj, &bufinfo, MP_BUFFER_READ);
 
     // Wait for display bus to be available.
     while (!common_hal_displayio_fourwire_begin_transaction(self)) {
         RUN_BACKGROUND_TASKS;
     }
-    common_hal_displayio_fourwire_send(self, true, &command, 1);
-    common_hal_displayio_fourwire_send(self, false, ((uint8_t*) bufinfo.buf), bufinfo.len);
+    common_hal_displayio_fourwire_send(self, true, args[ARG_toggle_every_byte].u_bool, &command, 1);
+    common_hal_displayio_fourwire_send(self, false, args[ARG_toggle_every_byte].u_bool, ((uint8_t*) bufinfo.buf), bufinfo.len);
     common_hal_displayio_fourwire_end_transaction(self);
 
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_3(displayio_fourwire_send_obj, displayio_fourwire_obj_send);
+MP_DEFINE_CONST_FUN_OBJ_KW(displayio_fourwire_send_obj, 3, displayio_fourwire_obj_send);
 
 STATIC const mp_rom_map_elem_t displayio_fourwire_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_send), MP_ROM_PTR(&displayio_fourwire_send_obj) },
diff --git a/shared-bindings/displayio/FourWire.h b/shared-bindings/displayio/FourWire.h
index 5dbd60764..ee69a63ac 100644
--- a/shared-bindings/displayio/FourWire.h
+++ b/shared-bindings/displayio/FourWire.h
@@ -40,9 +40,12 @@ void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
 
 void common_hal_displayio_fourwire_deinit(displayio_fourwire_obj_t* self);
 
+void common_hal_displayio_fourwire_reset(mp_obj_t self);
+bool common_hal_displayio_fourwire_bus_free(mp_obj_t self);
+
 bool common_hal_displayio_fourwire_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_fourwire_send(mp_obj_t self, bool command, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_fourwire_send(mp_obj_t self, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_fourwire_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/I2CDisplay.c b/shared-bindings/displayio/I2CDisplay.c
index 9ef989d71..4428e8dbb 100644
--- a/shared-bindings/displayio/I2CDisplay.c
+++ b/shared-bindings/displayio/I2CDisplay.c
@@ -116,7 +116,7 @@ STATIC mp_obj_t displayio_i2cdisplay_obj_send(mp_obj_t self, mp_obj_t command_ob
     uint8_t full_command[bufinfo.len + 1];
     full_command[0] = command;
     memcpy(full_command + 1, ((uint8_t*) bufinfo.buf), bufinfo.len);
-    common_hal_displayio_i2cdisplay_send(self, true, full_command, bufinfo.len + 1);
+    common_hal_displayio_i2cdisplay_send(self, true, false, full_command, bufinfo.len + 1);
     common_hal_displayio_i2cdisplay_end_transaction(self);
 
     return mp_const_none;
diff --git a/shared-bindings/displayio/I2CDisplay.h b/shared-bindings/displayio/I2CDisplay.h
index cc4162800..6a75fc488 100644
--- a/shared-bindings/displayio/I2CDisplay.h
+++ b/shared-bindings/displayio/I2CDisplay.h
@@ -37,9 +37,12 @@ void common_hal_displayio_i2cdisplay_construct(displayio_i2cdisplay_obj_t* self,
 
 void common_hal_displayio_i2cdisplay_deinit(displayio_i2cdisplay_obj_t* self);
 
+void common_hal_displayio_i2cdisplay_reset(mp_obj_t self);
+bool common_hal_displayio_i2cdisplay_bus_free(mp_obj_t self);
+
 bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_i2cdisplay_send(mp_obj_t self, bool command, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_i2cdisplay_send(mp_obj_t self, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_i2cdisplay_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/ParallelBus.c b/shared-bindings/displayio/ParallelBus.c
index c29c79fff..e260f9b7e 100644
--- a/shared-bindings/displayio/ParallelBus.c
+++ b/shared-bindings/displayio/ParallelBus.c
@@ -124,8 +124,8 @@ STATIC mp_obj_t displayio_parallelbus_obj_send(mp_obj_t self, mp_obj_t command_o
     while (!common_hal_displayio_parallelbus_begin_transaction(self)) {
         RUN_BACKGROUND_TASKS;
     }
-    common_hal_displayio_parallelbus_send(self, true, &command, 1);
-    common_hal_displayio_parallelbus_send(self, false, ((uint8_t*) bufinfo.buf), bufinfo.len);
+    common_hal_displayio_parallelbus_send(self, true, false, &command, 1);
+    common_hal_displayio_parallelbus_send(self, false, false, ((uint8_t*) bufinfo.buf), bufinfo.len);
     common_hal_displayio_parallelbus_end_transaction(self);
 
     return mp_const_none;
diff --git a/shared-bindings/displayio/ParallelBus.h b/shared-bindings/displayio/ParallelBus.h
index c4cde5ff5..b8da91041 100644
--- a/shared-bindings/displayio/ParallelBus.h
+++ b/shared-bindings/displayio/ParallelBus.h
@@ -40,9 +40,12 @@ void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* sel
 
 void common_hal_displayio_parallelbus_deinit(displayio_parallelbus_obj_t* self);
 
+void common_hal_displayio_parallelbus_reset(mp_obj_t self);
+bool common_hal_displayio_parallelbus_bus_free(mp_obj_t self);
+
 bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t self);
 
-void common_hal_displayio_parallelbus_send(mp_obj_t self, bool command, uint8_t *data, uint32_t data_length);
+void common_hal_displayio_parallelbus_send(mp_obj_t self, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length);
 
 void common_hal_displayio_parallelbus_end_transaction(mp_obj_t self);
 
diff --git a/shared-bindings/displayio/__init__.c b/shared-bindings/displayio/__init__.c
index fd3dc4233..8c5d1f228 100644
--- a/shared-bindings/displayio/__init__.c
+++ b/shared-bindings/displayio/__init__.c
@@ -33,6 +33,7 @@
 #include "shared-bindings/displayio/Bitmap.h"
 #include "shared-bindings/displayio/ColorConverter.h"
 #include "shared-bindings/displayio/Display.h"
+#include "shared-bindings/displayio/EPaperDisplay.h"
 #include "shared-bindings/displayio/FourWire.h"
 #include "shared-bindings/displayio/Group.h"
 #include "shared-bindings/displayio/I2CDisplay.h"
@@ -60,6 +61,7 @@
 //|     Bitmap
 //|     ColorConverter
 //|     Display
+//|     EPaperDisplay
 //|     FourWire
 //|     Group
 //|     I2CDisplay
@@ -91,6 +93,7 @@ STATIC const mp_rom_map_elem_t displayio_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_Bitmap), MP_ROM_PTR(&displayio_bitmap_type) },
     { MP_ROM_QSTR(MP_QSTR_ColorConverter), MP_ROM_PTR(&displayio_colorconverter_type) },
     { MP_ROM_QSTR(MP_QSTR_Display), MP_ROM_PTR(&displayio_display_type) },
+    { MP_ROM_QSTR(MP_QSTR_EPaperDisplay), MP_ROM_PTR(&displayio_epaperdisplay_type) },
     { MP_ROM_QSTR(MP_QSTR_Group), MP_ROM_PTR(&displayio_group_type) },
     { MP_ROM_QSTR(MP_QSTR_OnDiskBitmap), MP_ROM_PTR(&displayio_ondiskbitmap_type) },
     { MP_ROM_QSTR(MP_QSTR_Palette), MP_ROM_PTR(&displayio_palette_type) },