mirror of
https://github.com/qmk/qmk_firmware.git
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1f2b1dedcc
* Install dependencies before executing unit tests. * Split out UTF-8 decoder. * Fixup python formatting rules. * Add documentation for QGF/QFF and the RLE format used. * Add CLI commands for converting images and fonts. * Add stub rules.mk for QP. * Add stream type. * Add base driver and comms interfaces. * Add support for SPI, SPI+D/C comms drivers. * Include <qp.h> when enabled. * Add base support for SPI+D/C+RST panels, as well as concrete implementation of ST7789. * Add support for GC9A01. * Add support for ILI9341. * Add support for ILI9163. * Add support for SSD1351. * Implement qp_setpixel, including pixdata buffer management. * Implement qp_line. * Implement qp_rect. * Implement qp_circle. * Implement qp_ellipse. * Implement palette interpolation. * Allow for streams to work with either flash or RAM. * Image loading. * Font loading. * QGF palette loading. * Progressive decoder of pixel data supporting Raw+RLE, 1-,2-,4-,8-bpp monochrome and palette-based images. * Image drawing. * Animations. * Font rendering. * Check against 256 colours, dump out the loaded palette if debugging enabled. * Fix build. * AVR is not the intended audience. * `qmk format-c` * Generation fix. * First batch of docs. * More docs and examples. * Review comments. * Public API documentation.
83 lines
3.7 KiB
C
83 lines
3.7 KiB
C
// Copyright 2021 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "qp_internal.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Driver callbacks
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typedef bool (*painter_driver_init_func)(painter_device_t device, painter_rotation_t rotation);
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typedef bool (*painter_driver_power_func)(painter_device_t device, bool power_on);
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typedef bool (*painter_driver_clear_func)(painter_device_t device);
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typedef bool (*painter_driver_flush_func)(painter_device_t device);
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typedef bool (*painter_driver_viewport_func)(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom);
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typedef bool (*painter_driver_pixdata_func)(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count);
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typedef bool (*painter_driver_convert_palette_func)(painter_device_t device, int16_t palette_size, qp_pixel_t *palette);
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typedef bool (*painter_driver_append_pixels)(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
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// Driver vtable definition
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struct painter_driver_vtable_t {
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painter_driver_init_func init;
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painter_driver_power_func power;
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painter_driver_clear_func clear;
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painter_driver_flush_func flush;
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painter_driver_viewport_func viewport;
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painter_driver_pixdata_func pixdata;
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painter_driver_convert_palette_func palette_convert;
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painter_driver_append_pixels append_pixels;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Comms callbacks
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typedef bool (*painter_driver_comms_init_func)(painter_device_t device);
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typedef bool (*painter_driver_comms_start_func)(painter_device_t device);
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typedef void (*painter_driver_comms_stop_func)(painter_device_t device);
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typedef uint32_t (*painter_driver_comms_send_func)(painter_device_t device, const void *data, uint32_t byte_count);
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struct painter_comms_vtable_t {
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painter_driver_comms_init_func comms_init;
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painter_driver_comms_start_func comms_start;
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painter_driver_comms_stop_func comms_stop;
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painter_driver_comms_send_func comms_send;
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};
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typedef void (*painter_driver_comms_send_command_func)(painter_device_t device, uint8_t cmd);
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typedef void (*painter_driver_comms_bulk_command_sequence)(painter_device_t device, const uint8_t *sequence, size_t sequence_len);
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struct painter_comms_with_command_vtable_t {
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struct painter_comms_vtable_t base; // must be first, so this object can be cast from the painter_comms_vtable_t* type
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painter_driver_comms_send_command_func send_command;
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painter_driver_comms_bulk_command_sequence bulk_command_sequence;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Driver base definition
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struct painter_driver_t {
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const struct painter_driver_vtable_t *driver_vtable;
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const struct painter_comms_vtable_t * comms_vtable;
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// Flag signifying if validation was successful
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bool validate_ok;
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// Panel geometry
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uint16_t panel_width;
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uint16_t panel_height;
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// Target drawing rotation
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painter_rotation_t rotation;
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// Automated offsets for setting viewport
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uint16_t offset_x;
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uint16_t offset_y;
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// Number of bits per pixel, used for determining how many pixels can be sent during a transmission of the pixdata buffer
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uint8_t native_bits_per_pixel;
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// Comms config pointer -- needs to point to an appropriate comms config if the comms driver requires it.
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void *comms_config;
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};
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