From 4fd287655a72b9aea14cdac715ad5b90ed082ed2 Mon Sep 17 00:00:00 2001 From: Raghuram Subramani Date: Sun, 19 Jun 2022 19:47:51 +0530 Subject: add circuitpython code --- .../framebufferio/FramebufferDisplay.c | 378 +++++++++++++++++++++ .../framebufferio/FramebufferDisplay.h | 67 ++++ .../shared-bindings/framebufferio/__init__.c | 54 +++ .../shared-bindings/framebufferio/__init__.h | 0 4 files changed, 499 insertions(+) create mode 100644 circuitpython/shared-bindings/framebufferio/FramebufferDisplay.c create mode 100644 circuitpython/shared-bindings/framebufferio/FramebufferDisplay.h create mode 100644 circuitpython/shared-bindings/framebufferio/__init__.c create mode 100644 circuitpython/shared-bindings/framebufferio/__init__.h (limited to 'circuitpython/shared-bindings/framebufferio') diff --git a/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.c b/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.c new file mode 100644 index 0000000..daff217 --- /dev/null +++ b/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.c @@ -0,0 +1,378 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries + * Copyright (c) 2020 Jeff Epler 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/framebufferio/FramebufferDisplay.h" + +#include + +#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" + +//| class FramebufferDisplay: +//| """Manage updating a display with framebuffer in RAM +//| +//| 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.""" +//| +//| def __init__(self, framebuffer: circuitpython_typing.FrameBuffer, *, rotation: int = 0, auto_refresh: bool = True) -> None: +//| """Create a Display object with the given framebuffer (a buffer, array, ulab.array, etc) +//| +//| :param ~circuitpython_typing.FrameBuffer framebuffer: The framebuffer that the display is connected to +//| :param bool auto_refresh: Automatically refresh the screen +//| :param int rotation: The rotation of the display in degrees clockwise. Must be in 90 degree increments (0, 90, 180, 270)""" +//| ... +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) { + enum { ARG_framebuffer, ARG_rotation, ARG_auto_refresh, NUM_ARGS }; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_framebuffer, MP_ARG_REQUIRED | MP_ARG_OBJ }, + { MP_QSTR_rotation, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} }, + { MP_QSTR_auto_refresh, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} }, + }; + MP_STATIC_ASSERT(MP_ARRAY_SIZE(allowed_args) == NUM_ARGS); + 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 framebuffer = args[ARG_framebuffer].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")); + } + + primary_display_t *disp = allocate_display_or_raise(); + framebufferio_framebufferdisplay_obj_t *self = &disp->framebuffer_display; + self->base.type = &framebufferio_framebufferdisplay_type; + common_hal_framebufferio_framebufferdisplay_construct( + self, + framebuffer, + rotation, + args[ARG_auto_refresh].u_bool + ); + + return self; +} + +// Helper to ensure we have the native super class instead of a subclass. +static framebufferio_framebufferdisplay_obj_t *native_display(mp_obj_t display_obj) { + mp_obj_t native_display = mp_obj_cast_to_native_base(display_obj, &framebufferio_framebufferdisplay_type); + mp_obj_assert_native_inited(native_display); + return MP_OBJ_TO_PTR(native_display); +} + +//| def show(self, group: displayio.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 framebufferio_framebufferdisplay_obj_show(mp_obj_t self_in, mp_obj_t group_in) { + framebufferio_framebufferdisplay_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_framebufferio_framebufferdisplay_show(self, group); + if (!ok) { + mp_raise_ValueError(translate("Group already used")); + } + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(framebufferio_framebufferdisplay_show_obj, framebufferio_framebufferdisplay_obj_show); + +//| def refresh(self, *, target_frames_per_second: int = 60, minimum_frames_per_second: int = 1) -> bool: +//| """When auto refresh is off, 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. Set minimum_frames_per_second to 0 to disable. +//| +//| When auto refresh is on, updates the display immediately. (The display will also update +//| without calls to this.) +//| +//| :param int target_frames_per_second: How many times a second `refresh` should be called and the screen updated. +//| :param int minimum_frames_per_second: The minimum number of times the screen should be updated per second.""" +//| ... +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_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_KW_ONLY | MP_ARG_INT, {.u_int = 60} }, + { MP_QSTR_minimum_frames_per_second, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + }; + 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); + + framebufferio_framebufferdisplay_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; + } + return mp_obj_new_bool(common_hal_framebufferio_framebufferdisplay_refresh(self, 1000 / args[ARG_target_frames_per_second].u_int, maximum_ms_per_real_frame)); +} +MP_DEFINE_CONST_FUN_OBJ_KW(framebufferio_framebufferdisplay_refresh_obj, 1, framebufferio_framebufferdisplay_obj_refresh); + +//| auto_refresh: bool +//| """True when the display is refreshed automatically.""" +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_auto_refresh(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return mp_obj_new_bool(common_hal_framebufferio_framebufferdisplay_get_auto_refresh(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_auto_refresh_obj, framebufferio_framebufferdisplay_obj_get_auto_refresh); + +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_set_auto_refresh(mp_obj_t self_in, mp_obj_t auto_refresh) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + + common_hal_framebufferio_framebufferdisplay_set_auto_refresh(self, mp_obj_is_true(auto_refresh)); + + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(framebufferio_framebufferdisplay_set_auto_refresh_obj, framebufferio_framebufferdisplay_obj_set_auto_refresh); + +MP_PROPERTY_GETSET(framebufferio_framebufferdisplay_auto_refresh_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_auto_refresh_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_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 framebufferio_framebufferdisplay_obj_get_brightness(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + mp_float_t brightness = common_hal_framebufferio_framebufferdisplay_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(framebufferio_framebufferdisplay_get_brightness_obj, framebufferio_framebufferdisplay_obj_get_brightness); + +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_set_brightness(mp_obj_t self_in, mp_obj_t brightness_obj) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + common_hal_framebufferio_framebufferdisplay_set_auto_brightness(self, false); + mp_float_t brightness = mp_obj_get_float(brightness_obj); + if (brightness < 0.0f || brightness > 1.0f) { + mp_raise_ValueError(translate("Brightness must be 0-1.0")); + } + bool ok = common_hal_framebufferio_framebufferdisplay_set_brightness(self, brightness); + if (!ok) { + mp_raise_RuntimeError(translate("Brightness not adjustable")); + } + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(framebufferio_framebufferdisplay_set_brightness_obj, framebufferio_framebufferdisplay_obj_set_brightness); + +MP_PROPERTY_GETSET(framebufferio_framebufferdisplay_brightness_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_brightness_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_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 framebufferio_framebufferdisplay_obj_get_auto_brightness(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return mp_obj_new_bool(common_hal_framebufferio_framebufferdisplay_get_auto_brightness(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_auto_brightness_obj, framebufferio_framebufferdisplay_obj_get_auto_brightness); + +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_set_auto_brightness(mp_obj_t self_in, mp_obj_t auto_brightness) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + + bool ok = common_hal_framebufferio_framebufferdisplay_set_auto_brightness(self, mp_obj_is_true(auto_brightness)); + if (!ok) { + mp_raise_RuntimeError(translate("Brightness not adjustable")); + } + + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(framebufferio_framebufferdisplay_set_auto_brightness_obj, framebufferio_framebufferdisplay_obj_set_auto_brightness); + +MP_PROPERTY_GETSET(framebufferio_framebufferdisplay_auto_brightness_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_auto_brightness_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_set_auto_brightness_obj); + +//| width: int +//| """Gets the width of the framebuffer""" +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_width(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return MP_OBJ_NEW_SMALL_INT(common_hal_framebufferio_framebufferdisplay_get_width(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_width_obj, framebufferio_framebufferdisplay_obj_get_width); + +MP_PROPERTY_GETTER(framebufferio_framebufferdisplay_width_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_width_obj); + +//| height: int +//| """Gets the height of the framebuffer""" +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_height(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return MP_OBJ_NEW_SMALL_INT(common_hal_framebufferio_framebufferdisplay_get_height(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_height_obj, framebufferio_framebufferdisplay_obj_get_height); + +MP_PROPERTY_GETTER(framebufferio_framebufferdisplay_height_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_height_obj); + +//| rotation: int +//| """The rotation of the display as an int in degrees.""" +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_rotation(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return MP_OBJ_NEW_SMALL_INT(common_hal_framebufferio_framebufferdisplay_get_rotation(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_rotation_obj, framebufferio_framebufferdisplay_obj_get_rotation); +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_set_rotation(mp_obj_t self_in, mp_obj_t value) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + common_hal_framebufferio_framebufferdisplay_set_rotation(self, mp_obj_get_int(value)); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(framebufferio_framebufferdisplay_set_rotation_obj, framebufferio_framebufferdisplay_obj_set_rotation); + + +MP_PROPERTY_GETSET(framebufferio_framebufferdisplay_rotation_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_rotation_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_set_rotation_obj); + +//| framebuffer: circuitpython_typing.FrameBuffer +//| """The framebuffer being used by the display""" +//| +//| +STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_framebuffer(mp_obj_t self_in) { + framebufferio_framebufferdisplay_obj_t *self = native_display(self_in); + return common_hal_framebufferio_framebufferdisplay_get_framebuffer(self); +} +MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_framebuffer_obj, framebufferio_framebufferdisplay_obj_get_framebuffer); + +MP_PROPERTY_GETTER(framebufferio_framebufferframebuffer_obj, + (mp_obj_t)&framebufferio_framebufferdisplay_get_framebuffer_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 framebufferio_framebufferdisplay_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); + framebufferio_framebufferdisplay_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 (bufinfo.typecode != BYTEARRAY_TYPECODE) { + mp_raise_ValueError(translate("Buffer is not a bytearray.")); + } + 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(framebufferio_framebufferdisplay_fill_row_obj, 1, framebufferio_framebufferdisplay_obj_fill_row); + +STATIC const mp_rom_map_elem_t framebufferio_framebufferdisplay_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&framebufferio_framebufferdisplay_show_obj) }, + { MP_ROM_QSTR(MP_QSTR_refresh), MP_ROM_PTR(&framebufferio_framebufferdisplay_refresh_obj) }, + { MP_ROM_QSTR(MP_QSTR_fill_row), MP_ROM_PTR(&framebufferio_framebufferdisplay_fill_row_obj) }, + + { MP_ROM_QSTR(MP_QSTR_auto_refresh), MP_ROM_PTR(&framebufferio_framebufferdisplay_auto_refresh_obj) }, + + { MP_ROM_QSTR(MP_QSTR_brightness), MP_ROM_PTR(&framebufferio_framebufferdisplay_brightness_obj) }, + { MP_ROM_QSTR(MP_QSTR_auto_brightness), MP_ROM_PTR(&framebufferio_framebufferdisplay_auto_brightness_obj) }, + + { MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&framebufferio_framebufferdisplay_width_obj) }, + { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&framebufferio_framebufferdisplay_height_obj) }, + { MP_ROM_QSTR(MP_QSTR_rotation), MP_ROM_PTR(&framebufferio_framebufferdisplay_rotation_obj) }, + { MP_ROM_QSTR(MP_QSTR_framebuffer), MP_ROM_PTR(&framebufferio_framebufferframebuffer_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(framebufferio_framebufferdisplay_locals_dict, framebufferio_framebufferdisplay_locals_dict_table); + +const mp_obj_type_t framebufferio_framebufferdisplay_type = { + { &mp_type_type }, + .name = MP_QSTR_FramebufferDisplay, + .make_new = framebufferio_framebufferdisplay_make_new, + .locals_dict = (mp_obj_dict_t *)&framebufferio_framebufferdisplay_locals_dict, +}; diff --git a/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.h b/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.h new file mode 100644 index 0000000..f96b47e --- /dev/null +++ b/circuitpython/shared-bindings/framebufferio/FramebufferDisplay.h @@ -0,0 +1,67 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017, 2018 Scott Shawcroft for Adafruit Industries + * Copyright (c) 2020 Jeff Epler 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. + */ + +#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_FRAMEBUFFERDISPLAY_H +#define MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_FRAMEBUFFERDISPLAY_H + +#include "common-hal/microcontroller/Pin.h" + +#include "shared-module/framebufferio/FramebufferDisplay.h" +#include "shared-module/displayio/Group.h" + +extern const mp_obj_type_t framebufferio_framebufferdisplay_type; + +#define NO_BRIGHTNESS_COMMAND 0x100 + +void common_hal_framebufferio_framebufferdisplay_construct(framebufferio_framebufferdisplay_obj_t *self, + mp_obj_t framebuffer, + uint16_t rotation, + bool auto_refresh); + +bool common_hal_framebufferio_framebufferdisplay_show(framebufferio_framebufferdisplay_obj_t *self, + displayio_group_t *root_group); + +bool common_hal_framebufferio_framebufferdisplay_refresh(framebufferio_framebufferdisplay_obj_t *self, uint32_t target_ms_per_frame, uint32_t maximum_ms_per_real_frame); + +bool common_hal_framebufferio_framebufferdisplay_get_auto_refresh(framebufferio_framebufferdisplay_obj_t *self); +void common_hal_framebufferio_framebufferdisplay_set_auto_refresh(framebufferio_framebufferdisplay_obj_t *self, bool auto_refresh); + +uint16_t common_hal_framebufferio_framebufferdisplay_get_width(framebufferio_framebufferdisplay_obj_t *self); +uint16_t common_hal_framebufferio_framebufferdisplay_get_height(framebufferio_framebufferdisplay_obj_t *self); +uint16_t common_hal_framebufferio_framebufferdisplay_get_rotation(framebufferio_framebufferdisplay_obj_t *self); +void common_hal_framebufferio_framebufferdisplay_set_rotation(framebufferio_framebufferdisplay_obj_t *self, int rotation); + +bool common_hal_framebufferio_framebufferdisplay_get_auto_brightness(framebufferio_framebufferdisplay_obj_t *self); +bool common_hal_framebufferio_framebufferdisplay_set_auto_brightness(framebufferio_framebufferdisplay_obj_t *self, bool auto_brightness); + +mp_float_t common_hal_framebufferio_framebufferdisplay_get_brightness(framebufferio_framebufferdisplay_obj_t *self); +bool common_hal_framebufferio_framebufferdisplay_set_brightness(framebufferio_framebufferdisplay_obj_t *self, mp_float_t brightness); + +mp_obj_t common_hal_framebufferio_framebufferdisplay_framebuffer(framebufferio_framebufferdisplay_obj_t *self); + + +#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_FRAMEBUFFERDISPLAY_H diff --git a/circuitpython/shared-bindings/framebufferio/__init__.c b/circuitpython/shared-bindings/framebufferio/__init__.c new file mode 100644 index 0000000..5d95ef4 --- /dev/null +++ b/circuitpython/shared-bindings/framebufferio/__init__.c @@ -0,0 +1,54 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Jeff Epler 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 "py/obj.h" +#include "shared-bindings/framebufferio/__init__.h" +#include "shared-bindings/framebufferio/FramebufferDisplay.h" + +//| """Native framebuffer display driving +//| +//| The `framebufferio` module contains classes to manage display output +//| including synchronizing with refresh rates and partial updating. +//| It is used in conjunction with classes from `displayio` to actually +//| place items on the display; and classes like `RGBMatrix` to actually +//| drive the display.""" +//| + +#if CIRCUITPY_FRAMEBUFFERIO +static const mp_rom_map_elem_t framebufferio_module_globals_table[] = { + { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_framebufferio) }, + { MP_ROM_QSTR(MP_QSTR_FramebufferDisplay), MP_ROM_PTR(&framebufferio_framebufferdisplay_type) }, +}; + +STATIC MP_DEFINE_CONST_DICT(framebufferio_module_globals, framebufferio_module_globals_table); + +const mp_obj_module_t framebufferio_module = { + .base = { &mp_type_module }, + .globals = (mp_obj_dict_t *)&framebufferio_module_globals, +}; + +MP_REGISTER_MODULE(MP_QSTR_framebufferio, framebufferio_module, CIRCUITPY_FRAMEBUFFERIO); +#endif diff --git a/circuitpython/shared-bindings/framebufferio/__init__.h b/circuitpython/shared-bindings/framebufferio/__init__.h new file mode 100644 index 0000000..e69de29 -- cgit v1.2.3