drashna/qmk_firmware
1
0
Fork 0
Code Activity Actions

Quantum Painter (#10174)

Browse source 
* 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.
This commit is contained in:
Nick Brassel 2022-04-13 18:00:18 +10:00 • committed by GitHub
parent 1dbbd2b6b0
commit 1f2b1dedcc
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
62 changed files with 7561 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

125
drivers/painter/ssd1351/qp_ssd1351.c Normal file
View file

@ -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
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

37
drivers/painter/ssd1351/qp_ssd1351.h Normal file
View file

@ -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

48
drivers/painter/ssd1351/qp_ssd1351_opcodes.h Normal file
View file

@ -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