From 1f2b1dedccdf21b629c45ece80b4ca32f6653296 Mon Sep 17 00:00:00 2001 From: Nick Brassel Date: Wed, 13 Apr 2022 18:00:18 +1000 Subject: Quantum Painter (#10174) * 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 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. --- drivers/painter/ssd1351/qp_ssd1351.c | 125 +++++++++++++++++++++++++++ drivers/painter/ssd1351/qp_ssd1351.h | 37 ++++++++ drivers/painter/ssd1351/qp_ssd1351_opcodes.h | 48 ++++++++++ 3 files changed, 210 insertions(+) create mode 100644 drivers/painter/ssd1351/qp_ssd1351.c create mode 100644 drivers/painter/ssd1351/qp_ssd1351.h create mode 100644 drivers/painter/ssd1351/qp_ssd1351_opcodes.h (limited to 'drivers/painter/ssd1351') diff --git a/drivers/painter/ssd1351/qp_ssd1351.c b/drivers/painter/ssd1351/qp_ssd1351.c new file mode 100644 index 0000000000..970e7e67f3 --- /dev/null +++ b/drivers/painter/ssd1351/qp_ssd1351.c @@ -0,0 +1,125 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "qp_internal.h" +#include "qp_comms.h" +#include "qp_ssd1351.h" +#include "qp_ssd1351_opcodes.h" +#include "qp_tft_panel.h" + +#ifdef QUANTUM_PAINTER_SSD1351_SPI_ENABLE +# include "qp_comms_spi.h" +#endif // QUANTUM_PAINTER_SSD1351_SPI_ENABLE + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Common + +// Driver storage +tft_panel_dc_reset_painter_device_t ssd1351_drivers[SSD1351_NUM_DEVICES] = {0}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Initialization + +bool qp_ssd1351_init(painter_device_t device, painter_rotation_t rotation) { + tft_panel_dc_reset_painter_device_t *driver = (tft_panel_dc_reset_painter_device_t *)device; + + // clang-format off + const uint8_t ssd1351_init_sequence[] = { + // Command, Delay, N, Data[N] + SSD1351_COMMANDLOCK, 5, 1, 0x12, + SSD1351_COMMANDLOCK, 5, 1, 0xB1, + SSD1351_DISPLAYOFF, 5, 0, + SSD1351_CLOCKDIV, 5, 1, 0xF1, + SSD1351_MUXRATIO, 5, 1, 0x7F, + SSD1351_DISPLAYOFFSET, 5, 1, 0x00, + SSD1351_SETGPIO, 5, 1, 0x00, + SSD1351_FUNCTIONSELECT, 5, 1, 0x01, + SSD1351_PRECHARGE, 5, 1, 0x32, + SSD1351_VCOMH, 5, 1, 0x05, + SSD1351_NORMALDISPLAY, 5, 0, + SSD1351_CONTRASTABC, 5, 3, 0xC8, 0x80, 0xC8, + SSD1351_CONTRASTMASTER, 5, 1, 0x0F, + SSD1351_SETVSL, 5, 3, 0xA0, 0xB5, 0x55, + SSD1351_PRECHARGE2, 5, 1, 0x01, + SSD1351_DISPLAYON, 5, 0, + }; + // clang-format on + qp_comms_bulk_command_sequence(device, ssd1351_init_sequence, sizeof(ssd1351_init_sequence)); + + // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM) + const uint8_t madctl[] = { + [QP_ROTATION_0] = SSD1351_MADCTL_BGR | SSD1351_MADCTL_MY, + [QP_ROTATION_90] = SSD1351_MADCTL_BGR | SSD1351_MADCTL_MX | SSD1351_MADCTL_MY | SSD1351_MADCTL_MV, + [QP_ROTATION_180] = SSD1351_MADCTL_BGR | SSD1351_MADCTL_MX, + [QP_ROTATION_270] = SSD1351_MADCTL_BGR | SSD1351_MADCTL_MV, + }; + qp_comms_command_databyte(device, SSD1351_SETREMAP, madctl[rotation]); + qp_comms_command_databyte(device, SSD1351_STARTLINE, (rotation == QP_ROTATION_0 || rotation == QP_ROTATION_90) ? driver->base.panel_height : 0); + + return true; +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Driver vtable + +const struct tft_panel_dc_reset_painter_driver_vtable_t ssd1351_driver_vtable = { + .base = + { + .init = qp_ssd1351_init, + .power = qp_tft_panel_power, + .clear = qp_tft_panel_clear, + .flush = qp_tft_panel_flush, + .pixdata = qp_tft_panel_pixdata, + .viewport = qp_tft_panel_viewport, + .palette_convert = qp_tft_panel_palette_convert, + .append_pixels = qp_tft_panel_append_pixels, + }, + .rgb888_to_native16bit = qp_rgb888_to_rgb565_swapped, + .num_window_bytes = 1, + .swap_window_coords = true, + .opcodes = + { + .display_on = SSD1351_DISPLAYON, + .display_off = SSD1351_DISPLAYOFF, + .set_column_address = SSD1351_SETCOLUMN, + .set_row_address = SSD1351_SETROW, + .enable_writes = SSD1351_WRITERAM, + }, +}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SPI + +#ifdef QUANTUM_PAINTER_SSD1351_SPI_ENABLE + +// Factory function for creating a handle to the SSD1351 device +painter_device_t qp_ssd1351_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode) { + for (uint32_t i = 0; i < SSD1351_NUM_DEVICES; ++i) { + tft_panel_dc_reset_painter_device_t *driver = &ssd1351_drivers[i]; + if (!driver->base.driver_vtable) { + driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&ssd1351_driver_vtable; + driver->base.comms_vtable = (const struct painter_comms_vtable_t *)&spi_comms_with_dc_vtable; + driver->base.panel_width = panel_width; + driver->base.panel_height = panel_height; + driver->base.rotation = QP_ROTATION_0; + driver->base.offset_x = 0; + driver->base.offset_y = 0; + driver->base.native_bits_per_pixel = 16; // RGB565 + + // SPI and other pin configuration + driver->base.comms_config = &driver->spi_dc_reset_config; + driver->spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin; + driver->spi_dc_reset_config.spi_config.divisor = spi_divisor; + driver->spi_dc_reset_config.spi_config.lsb_first = false; + driver->spi_dc_reset_config.spi_config.mode = spi_mode; + driver->spi_dc_reset_config.dc_pin = dc_pin; + driver->spi_dc_reset_config.reset_pin = reset_pin; + return (painter_device_t)driver; + } + } + return NULL; +} + +#endif // QUANTUM_PAINTER_SSD1351_SPI_ENABLE + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// diff --git a/drivers/painter/ssd1351/qp_ssd1351.h b/drivers/painter/ssd1351/qp_ssd1351.h new file mode 100644 index 0000000000..0df34f204d --- /dev/null +++ b/drivers/painter/ssd1351/qp_ssd1351.h @@ -0,0 +1,37 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "gpio.h" +#include "qp_internal.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter SSD1351 configurables (add to your keyboard's config.h) + +#ifndef SSD1351_NUM_DEVICES +/** + * @def This controls the maximum number of SSD1351 devices that Quantum Painter can communicate with at any one time. + * Increasing this number allows for multiple displays to be used. + */ +# define SSD1351_NUM_DEVICES 1 +#endif + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter SSD1351 device factories + +#ifdef QUANTUM_PAINTER_SSD1351_SPI_ENABLE +/** + * Factory method for an SSD1351 SPI OLED device. + * + * @param panel_width[in] the width of the display panel + * @param panel_height[in] the height of the display panel + * @param chip_select_pin[in] the GPIO pin used for SPI chip select + * @param dc_pin[in] the GPIO pin used for D/C control + * @param reset_pin[in] the GPIO pin used for RST + * @param spi_divisor[in] the SPI divisor to use when communicating with the display + * @param spi_mode[in] the SPI mode to use when communicating with the display + * @return the device handle used with all drawing routines in Quantum Painter + */ +painter_device_t qp_ssd1351_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode); +#endif // QUANTUM_PAINTER_SSD1351_SPI_ENABLE diff --git a/drivers/painter/ssd1351/qp_ssd1351_opcodes.h b/drivers/painter/ssd1351/qp_ssd1351_opcodes.h new file mode 100644 index 0000000000..48ed2a3a7c --- /dev/null +++ b/drivers/painter/ssd1351/qp_ssd1351_opcodes.h @@ -0,0 +1,48 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter SSD1351 command opcodes + +// System function commands +#define SSD1351_SETCOLUMN 0x15 +#define SSD1351_SETROW 0x75 +#define SSD1351_WRITERAM 0x5C +#define SSD1351_READRAM 0x5D +#define SSD1351_SETREMAP 0xA0 +#define SSD1351_STARTLINE 0xA1 +#define SSD1351_DISPLAYOFFSET 0xA2 +#define SSD1351_DISPLAYALLOFF 0xA4 +#define SSD1351_DISPLAYALLON 0xA5 +#define SSD1351_NORMALDISPLAY 0xA6 +#define SSD1351_INVERTDISPLAY 0xA7 +#define SSD1351_FUNCTIONSELECT 0xAB +#define SSD1351_DISPLAYOFF 0xAE +#define SSD1351_DISPLAYON 0xAF +#define SSD1351_PRECHARGE 0xB1 +#define SSD1351_DISPLAYENHANCE 0xB2 +#define SSD1351_CLOCKDIV 0xB3 +#define SSD1351_SETVSL 0xB4 +#define SSD1351_SETGPIO 0xB5 +#define SSD1351_PRECHARGE2 0xB6 +#define SSD1351_SETGRAY 0xB8 +#define SSD1351_USELUT 0xB9 +#define SSD1351_PRECHARGELEVEL 0xBB +#define SSD1351_VCOMH 0xBE +#define SSD1351_CONTRASTABC 0xC1 +#define SSD1351_CONTRASTMASTER 0xC7 +#define SSD1351_MUXRATIO 0xCA +#define SSD1351_COMMANDLOCK 0xFD +#define SSD1351_HORIZSCROLL 0x96 +#define SSD1351_STOPSCROLL 0x9E +#define SSD1351_STARTSCROLL 0x9F + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SETREMAP (MADCTL) Flags +#define SSD1351_MADCTL_MY 0b00010000 +#define SSD1351_MADCTL_MX 0b00000010 +#define SSD1351_MADCTL_MV 0b00000001 +#define SSD1351_MADCTL_RGB 0b01100000 +#define SSD1351_MADCTL_BGR 0b01100100 -- cgit v1.2.3