6697544cdf
It's designed to minimize RAM footprint by using Sprites to represent objects on the screen. The object model also facilitates partial screen updating which reduces the bandwidth needed to display. This is all handled in C. Python simply manipulates the objects with the ability to synchronize to frame timing.
66 lines
3.2 KiB
C
66 lines
3.2 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017, 2018 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_FOURWIRE_H
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#define MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_FOURWIRE_H
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#include "common-hal/displayio/FourWire.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "shared-module/displayio/Group.h"
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extern const mp_obj_type_t displayio_fourwire_type;
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// TODO(tannewt): Split this apart into FourWire and a Display object because the dimensions and
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// commands are also used for the parallel buses.
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void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
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const mcu_pin_obj_t* clock, const mcu_pin_obj_t* data, const mcu_pin_obj_t* command,
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const mcu_pin_obj_t* chip_select, const mcu_pin_obj_t* reset, uint16_t width, uint16_t height,
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int16_t colstart, int16_t rowstart, uint16_t color_depth,
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uint8_t set_column_command, uint8_t set_row_command, uint8_t write_ram_command);
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int32_t common_hal_displayio_fourwire_wait_for_frame(displayio_fourwire_obj_t* self);
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bool common_hal_displayio_fourwire_begin_transaction(displayio_fourwire_obj_t* self);
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void common_hal_displayio_fourwire_send(displayio_fourwire_obj_t* self, bool command, uint8_t *data, uint32_t data_length);
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void common_hal_displayio_fourwire_end_transaction(displayio_fourwire_obj_t* self);
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void common_hal_displayio_fourwire_show(displayio_fourwire_obj_t* self, displayio_group_t* root_group);
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void common_hal_displayio_fourwire_refresh_soon(displayio_fourwire_obj_t* self);
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void displayio_fourwire_start_region_update(displayio_fourwire_obj_t* self, uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
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void displayio_fourwire_finish_region_update(displayio_fourwire_obj_t* self);
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bool displayio_fourwire_frame_queued(displayio_fourwire_obj_t* self);
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bool displayio_fourwire_refresh_queued(displayio_fourwire_obj_t* self);
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void displayio_fourwire_finish_refresh(displayio_fourwire_obj_t* self);
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bool displayio_fourwire_send_pixels(displayio_fourwire_obj_t* self, uint32_t* pixels, uint32_t length);
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#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYBUSIO_FOURWIRE_H
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