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Diffstat (limited to 'circuitpython/shared-bindings/displayio/Display.c')
| -rw-r--r-- | circuitpython/shared-bindings/displayio/Display.c | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/displayio/Display.c b/circuitpython/shared-bindings/displayio/Display.c new file mode 100644 index 0000000..b19c0ba --- /dev/null +++ b/circuitpython/shared-bindings/displayio/Display.c @@ -0,0 +1,524 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/displayio/Display.h" + +#include <stdint.h> + +#include "shared/runtime/context_manager_helpers.h" +#include "py/binary.h" +#include "py/objproperty.h" +#include "py/objtype.h" +#include "py/runtime.h" +#include "shared-bindings/displayio/Group.h" +#include "shared-bindings/microcontroller/Pin.h" +#include "shared-bindings/util.h" +#include "shared-module/displayio/__init__.h" +#include "supervisor/shared/translate.h" + +//| _DisplayBus = Union['FourWire', 'paralleldisplay.ParallelBus', 'I2CDisplay'] +//| """:py:class:`FourWire`, :py:class:`paralleldisplay.ParallelBus` or :py:class:`I2CDisplay`""" +//| + +//| +//| class Display: +//| """Manage updating a 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()` +//| 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.""" +//| +//| def __init__(self, display_bus: _DisplayBus, init_sequence: ReadableBuffer, *, width: int, height: int, colstart: int = 0, rowstart: int = 0, rotation: int = 0, color_depth: int = 16, grayscale: bool = False, pixels_in_byte_share_row: bool = True, bytes_per_cell: int = 1, reverse_pixels_in_byte: bool = False, set_column_command: int = 0x2a, set_row_command: int = 0x2b, write_ram_command: int = 0x2c, backlight_pin: Optional[microcontroller.Pin] = None, brightness_command: Optional[int] = None, brightness: float = 1.0, auto_brightness: bool = False, single_byte_bounds: bool = False, data_as_commands: bool = False, auto_refresh: bool = True, native_frames_per_second: int = 60, backlight_on_high: bool = True, SH1107_addressing: bool = False) -> None: +//| r"""Create a Display object on the given display bus (`FourWire`, `ParallelBus` or `I2CDisplay`). +//| +//| 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 delay. When the top bit +//| of the second byte is 1 (0x80), a delay will occur after the command parameters are sent. +//| The remaining 7 bits are the parameter count excluding any delay byte. The bytes following +//| are the parameters. When the delay bit is set, a single byte after the parameters specifies +//| the delay duration in milliseconds. The value 0xff will lead to an extra long 500 ms delay +//| instead of 255 ms. The next byte will begin a new command definition. +//| Here is an example: +//| +//| .. 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\x81\xaa\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 is 0x11 with 0 +//| parameters and a 120ms (0x78) delay. The third command is 0x29 with one parameter 0xaa and a +//| 120ms delay (0x78). 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. +//| +//| :param display_bus: The bus that the display is connected to +//| :type _DisplayBus: FourWire, ParallelBus or I2CDisplay +//| :param ~circuitpython_typing.ReadableBuffer init_sequence: Byte-packed initialization sequence. +//| :param int width: Width in pixels +//| :param int height: 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 bytes_per_cell: Number of bytes per addressable memory location when color_depth < 8. When greater than one, bytes share a row or column according to pixels_in_byte_share_row. +//| :param bool reverse_pixels_in_byte: Reverses the pixel order within each byte when color_depth < 8. Does not apply across multiple bytes even if there is more than one byte per cell (bytes_per_cell.) +//| :param bool reverse_bytes_in_word: Reverses the order of bytes within a word when color_depth == 16 +//| :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 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 float 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 bool auto_refresh: Automatically refresh the screen +//| :param int native_frames_per_second: Number of display refreshes per second that occur with the given init_sequence. +//| :param bool backlight_on_high: If True, pulling the backlight pin high turns the backlight on. +//| :param bool SH1107_addressing: Special quirk for SH1107, use upper/lower column set and page set +//| :param int set_vertical_scroll: This parameter is accepted but ignored for backwards compatibility. It will be removed in a future release. +//| """ +//| ... +//| +STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_args, + size_t n_kw, const mp_obj_t *all_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_bytes_per_cell, ARG_reverse_pixels_in_byte, ARG_reverse_bytes_in_word, + 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, + ARG_auto_refresh, ARG_native_frames_per_second, ARG_backlight_on_high, + ARG_SH1107_addressing }; + 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_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_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_bytes_per_cell, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 1} }, + { MP_QSTR_reverse_pixels_in_byte, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} }, + { MP_QSTR_reverse_bytes_in_word, 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_auto_refresh, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} }, + { MP_QSTR_native_frames_per_second, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 60} }, + { MP_QSTR_backlight_on_high, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} }, + { MP_QSTR_SH1107_addressing, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} } + }; + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; + mp_arg_parse_all_kw_array(n_args, n_kw, all_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); + + const mcu_pin_obj_t *backlight_pin = validate_obj_is_free_pin_or_none(args[ARG_backlight_pin].u_obj); + + mp_float_t brightness = mp_obj_get_float(args[ARG_brightness].u_obj); + + 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")); + } + + const bool sh1107_addressing = args[ARG_SH1107_addressing].u_bool; + const mp_int_t color_depth = args[ARG_color_depth].u_int; + if (sh1107_addressing && color_depth != 1) { + mp_raise_ValueError_varg(translate("%q must be 1 when %q is True"), MP_QSTR_color_depth, MP_QSTR_SH1107_addressing); + } + + primary_display_t *disp = allocate_display_or_raise(); + displayio_display_obj_t *self = &disp->display; + + self->base.type = &displayio_display_type; + 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, rotation, + color_depth, args[ARG_grayscale].u_bool, + args[ARG_pixels_in_byte_share_row].u_bool, + args[ARG_bytes_per_cell].u_bool, + args[ARG_reverse_pixels_in_byte].u_bool, + args[ARG_reverse_bytes_in_word].u_bool, + 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, + 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, + args[ARG_auto_refresh].u_bool, + args[ARG_native_frames_per_second].u_int, + args[ARG_backlight_on_high].u_bool, + sh1107_addressing + ); + + 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_obj_cast_to_native_base(display_obj, &displayio_display_type); + mp_obj_assert_native_inited(native_display); + return MP_OBJ_TO_PTR(native_display); +} + +//| def show(self, group: Group) -> None: +//| """Switches to displaying the given group of layers. When group is None, the default +//| 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); + displayio_group_t *group = NULL; + if (group_in != mp_const_none) { + group = MP_OBJ_TO_PTR(native_group(group_in)); + } + + bool ok = common_hal_displayio_display_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); + +//| def refresh(self, *, target_frames_per_second: Optional[int] = None, minimum_frames_per_second: int = 0) -> bool: +//| """When auto_refresh is off, and :py:attr:`target_frames_per_second` is not `None` this waits +//| for the target frame rate and then refreshes the display, +//| returning `True`. If the call has taken too long since the last refresh call for the given +//| target frame rate, then the refresh returns `False` immediately without updating the screen to +//| hopefully help getting caught up. +//| +//| If the time since the last successful refresh is below the minimum frame rate, then an +//| exception will be raised. The default :py:attr:`minimum_frames_per_second` of 0 disables this behavior. +//| +//| When auto_refresh is off, and :py:attr:`target_frames_per_second` is `None` this +//| will update the display immediately. +//| +//| When auto_refresh is on, updates the display immediately. (The display will also update +//| without calls to this.) +//| +//| :param Optional[int] target_frames_per_second: The target frame rate that :py:func:`refresh` should try to +//| achieve. Set to `None` for immediate refresh. +//| :param int minimum_frames_per_second: The minimum number of times the screen should be updated per second.""" +//| ... +//| +STATIC mp_obj_t displayio_display_obj_refresh(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { + enum { ARG_target_frames_per_second, ARG_minimum_frames_per_second }; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_target_frames_per_second, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} }, + { MP_QSTR_minimum_frames_per_second, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, + }; + + 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); + + displayio_display_obj_t *self = native_display(pos_args[0]); + uint32_t maximum_ms_per_real_frame = 0xffffffff; + mp_int_t minimum_frames_per_second = args[ARG_minimum_frames_per_second].u_int; + if (minimum_frames_per_second > 0) { + maximum_ms_per_real_frame = 1000 / minimum_frames_per_second; + } + + uint32_t target_ms_per_frame; + if (args[ARG_target_frames_per_second].u_obj == mp_const_none) { + target_ms_per_frame = 0xffffffff; + } else { + target_ms_per_frame = 1000 / mp_obj_get_int(args[ARG_target_frames_per_second].u_obj); + } + + return mp_obj_new_bool(common_hal_displayio_display_refresh(self, target_ms_per_frame, maximum_ms_per_real_frame)); +} + +MP_DEFINE_CONST_FUN_OBJ_KW(displayio_display_refresh_obj, 1, displayio_display_obj_refresh); + +//| auto_refresh: bool +//| """True when the display is refreshed automatically.""" +//| +STATIC mp_obj_t displayio_display_obj_get_auto_refresh(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_refresh(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_auto_refresh_obj, displayio_display_obj_get_auto_refresh); + +STATIC mp_obj_t displayio_display_obj_set_auto_refresh(mp_obj_t self_in, mp_obj_t auto_refresh) { + displayio_display_obj_t *self = native_display(self_in); + + common_hal_displayio_display_set_auto_refresh(self, mp_obj_is_true(auto_refresh)); + + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_auto_refresh_obj, displayio_display_obj_set_auto_refresh); + +MP_PROPERTY_GETSET(displayio_display_auto_refresh_obj, + (mp_obj_t)&displayio_display_get_auto_refresh_obj, + (mp_obj_t)&displayio_display_set_auto_refresh_obj); + +//| brightness: float +//| """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); +} +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); + +MP_PROPERTY_GETSET(displayio_display_brightness_obj, + (mp_obj_t)&displayio_display_get_brightness_obj, + (mp_obj_t)&displayio_display_set_brightness_obj); + +//| auto_brightness: bool +//| """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); + +MP_PROPERTY_GETSET(displayio_display_auto_brightness_obj, + (mp_obj_t)&displayio_display_get_auto_brightness_obj, + (mp_obj_t)&displayio_display_set_auto_brightness_obj); + + + + +//| width: int +//| """Gets the width of the board""" +//| +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)); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_width_obj, displayio_display_obj_get_width); + +MP_PROPERTY_GETTER(displayio_display_width_obj, + (mp_obj_t)&displayio_display_get_width_obj); + +//| height: int +//| """Gets the height of the board""" +//| +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)); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_height_obj, displayio_display_obj_get_height); + +MP_PROPERTY_GETTER(displayio_display_height_obj, + (mp_obj_t)&displayio_display_get_height_obj); + +//| rotation: int +//| """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); +STATIC mp_obj_t displayio_display_obj_set_rotation(mp_obj_t self_in, mp_obj_t value) { + displayio_display_obj_t *self = native_display(self_in); + common_hal_displayio_display_set_rotation(self, mp_obj_get_int(value)); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_rotation_obj, displayio_display_obj_set_rotation); + + +MP_PROPERTY_GETSET(displayio_display_rotation_obj, + (mp_obj_t)&displayio_display_get_rotation_obj, + (mp_obj_t)&displayio_display_set_rotation_obj); + +//| bus: _DisplayBus +//| """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); + return common_hal_displayio_display_get_bus(self); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_bus_obj, displayio_display_obj_get_bus); + +MP_PROPERTY_GETTER(displayio_display_bus_obj, + (mp_obj_t)&displayio_display_get_bus_obj); + +//| root_group: Group +//| """The root group on the display.""" +//| +//| +STATIC mp_obj_t displayio_display_obj_get_root_group(mp_obj_t self_in) { + displayio_display_obj_t *self = native_display(self_in); + return common_hal_displayio_display_get_root_group(self); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_root_group_obj, displayio_display_obj_get_root_group); + +MP_PROPERTY_GETTER(displayio_display_root_group_obj, + (mp_obj_t)&displayio_display_get_root_group_obj); + + +//| def fill_row(self, y: int, buffer: WriteableBuffer) -> WriteableBuffer: +//| """Extract the pixels from a single row +//| +//| :param int y: The top edge of the area +//| :param ~circuitpython_typing.WriteableBuffer buffer: The buffer in which to place the pixel data""" +//| ... +//| +STATIC mp_obj_t displayio_display_obj_fill_row(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { + enum { ARG_y, ARG_buffer }; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_y, MP_ARG_INT | MP_ARG_REQUIRED, {.u_int = -1} }, + { MP_QSTR_buffer, MP_ARG_OBJ | MP_ARG_REQUIRED, {} }, + }; + 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); + displayio_display_obj_t *self = native_display(pos_args[0]); + mp_int_t y = args[ARG_y].u_int; + mp_obj_t *result = args[ARG_buffer].u_obj; + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(result, &bufinfo, MP_BUFFER_WRITE); + + if (self->core.colorspace.depth != 16) { + mp_raise_ValueError(translate("Display must have a 16 bit colorspace.")); + } + + displayio_area_t area = { + .x1 = 0, + .y1 = y, + .x2 = self->core.width, + .y2 = y + 1 + }; + uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / self->core.colorspace.depth; + uint16_t buffer_size = self->core.width / pixels_per_word; + uint16_t pixels_per_buffer = displayio_area_size(&area); + if (pixels_per_buffer % pixels_per_word) { + buffer_size += 1; + } + + uint32_t *result_buffer = bufinfo.buf; + size_t result_buffer_size = bufinfo.len; + + if (result_buffer_size >= (buffer_size * 4)) { + volatile uint32_t mask_length = (pixels_per_buffer / 32) + 1; + uint32_t mask[mask_length]; + + for (uint16_t k = 0; k < mask_length; k++) { + mask[k] = 0x00000000; + } + + displayio_display_core_fill_area(&self->core, &area, mask, result_buffer); + return result; + } else { + mp_raise_ValueError(translate("Buffer is too small")); + } +} +MP_DEFINE_CONST_FUN_OBJ_KW(displayio_display_fill_row_obj, 1, displayio_display_obj_fill_row); + +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), MP_ROM_PTR(&displayio_display_refresh_obj) }, + { MP_ROM_QSTR(MP_QSTR_fill_row), MP_ROM_PTR(&displayio_display_fill_row_obj) }, + + { MP_ROM_QSTR(MP_QSTR_auto_refresh), MP_ROM_PTR(&displayio_display_auto_refresh_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) }, + + { 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_root_group), MP_ROM_PTR(&displayio_display_root_group_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(displayio_display_locals_dict, displayio_display_locals_dict_table); + +const mp_obj_type_t displayio_display_type = { + { &mp_type_type }, + .name = MP_QSTR_Display, + .make_new = displayio_display_make_new, + .locals_dict = (mp_obj_dict_t *)&displayio_display_locals_dict, +}; |