Added Single Byte Boundaries option for certain displays

2 files changed, 9 insertions, 5 deletions

diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c
index 8fed5129f..af2c27149 100644
--- a/shared-bindings/displayio/Display.c
+++ b/shared-bindings/displayio/Display.c
@@ -50,7 +50,7 @@
 //| Most people should not use this class directly. Use a specific display driver instead that will
 //| contain the initialization sequence at minimum.
 //|
-//| .. class:: Display(display_bus, init_sequence, *, width, height, colstart=0, rowstart=0, rotation=0, color_depth=16, set_column_command=0x2a, set_row_command=0x2b, write_ram_command=0x2c, set_vertical_scroll=0, backlight_pin=None, init_cs_toggle=False)
+//| .. class:: Display(display_bus, init_sequence, *, width, height, colstart=0, rowstart=0, rotation=0, color_depth=16, set_column_command=0x2a, set_row_command=0x2b, write_ram_command=0x2c, set_vertical_scroll=0, backlight_pin=None, init_cs_toggle=True, single_byte_bounds=False)
 //|
 //|   Create a Display object on the given display bus (`displayio.FourWire` or `displayio.ParallelBus`).
 //|
@@ -91,10 +91,11 @@
 //|   :param int write_ram_command: Command used to write pixels values into the update region
 //|   :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 bool init_cs_toggle: Toggle the Chip Select between each initialization command.
+//|   :param bool init_cs_toggle: Toggle the Chip Select between each initialization command
+//|   :param bool single_byte_bounds: Display column and row commands use single bytes
 //|
 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_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_set_vertical_scroll, ARG_backlight_pin, ARG_init_cs_toggle };
+    enum { ARG_display_bus, ARG_init_sequence, ARG_width, ARG_height, ARG_colstart, ARG_rowstart, ARG_rotation, ARG_color_depth, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_set_vertical_scroll, ARG_backlight_pin, ARG_init_cs_toggle, ARG_single_byte_bounds };
     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 },
@@ -110,6 +111,7 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a
         { 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_init_cs_toggle, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} },
+        { MP_QSTR_single_byte_bounds, 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);
@@ -149,7 +151,8 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a
             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_init_cs_toggle].u_bool);
+            args[ARG_init_cs_toggle].u_bool,
+            args[ARG_single_byte_bounds].u_bool);
 
     return self;
 }
diff --git a/shared-bindings/displayio/Display.h b/shared-bindings/displayio/Display.h
index 407afe1c3..617686445 100644
--- a/shared-bindings/displayio/Display.h
+++ b/shared-bindings/displayio/Display.h
@@ -40,7 +40,8 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self,
     mp_obj_t bus, uint16_t width, uint16_t height,
     int16_t colstart, int16_t rowstart, uint16_t rotation, uint16_t color_depth,
     uint8_t set_column_command, uint8_t set_row_command, uint8_t write_ram_command, uint8_t set_vertical_scroll,
-    uint8_t* init_sequence, uint16_t init_sequence_len, const mcu_pin_obj_t* backlight_pin, bool init_cs_toggle);
+    uint8_t* init_sequence, uint16_t init_sequence_len, const mcu_pin_obj_t* backlight_pin, bool init_cs_toggle,
+    bool single_byte_bounds);
 
 int32_t common_hal_displayio_display_wait_for_frame(displayio_display_obj_t* self);