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Quantum Painter (#10174)

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* 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
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62 changed files with 7561 additions and 35 deletions
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144
drivers/painter/st77xx/qp_st7789.c Normal file
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// Copyright 2021 Paul Cotter (@gr1mr3aver)
// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#include "qp_internal.h"
#include "qp_comms.h"
#include "qp_st7789.h"
#include "qp_st77xx_opcodes.h"
#include "qp_st7789_opcodes.h"
#include "qp_tft_panel.h"
#ifdef QUANTUM_PAINTER_ST7789_SPI_ENABLE
# include "qp_comms_spi.h"
#endif // QUANTUM_PAINTER_ST7789_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Common
// Driver storage
tft_panel_dc_reset_painter_device_t st7789_drivers[ST7789_NUM_DEVICES] = {0};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Automatic viewport offsets
#ifndef ST7789_NO_AUTOMATIC_OFFSETS
static inline void st7789_automatic_viewport_offsets(painter_device_t device, painter_rotation_t rotation) {
struct painter_driver_t *driver = (struct painter_driver_t *)device;
// clang-format off
const struct {
uint16_t offset_x;
uint16_t offset_y;
} rotation_offsets_240x240[] = {
[QP_ROTATION_0] = { .offset_x = 0, .offset_y = 0 },
[QP_ROTATION_90] = { .offset_x = 0, .offset_y = 0 },
[QP_ROTATION_180] = { .offset_x = 0, .offset_y = 80 },
[QP_ROTATION_270] = { .offset_x = 80, .offset_y = 0 },
};
// clang-format on
if (driver->panel_width == 240 && driver->panel_height == 240) {
driver->offset_x = rotation_offsets_240x240[rotation].offset_x;
driver->offset_y = rotation_offsets_240x240[rotation].offset_y;
}
}
#endif // ST7789_NO_AUTOMATIC_OFFSETS
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Initialization
bool qp_st7789_init(painter_device_t device, painter_rotation_t rotation) {
// clang-format off
const uint8_t st7789_init_sequence[] = {
// Command, Delay, N, Data[N]
ST77XX_CMD_RESET, 120, 0,
ST77XX_CMD_SLEEP_OFF, 5, 0,
ST77XX_SET_PIX_FMT, 0, 1, 0x55,
ST77XX_CMD_INVERT_ON, 0, 0,
ST77XX_CMD_NORMAL_ON, 0, 0,
ST77XX_CMD_DISPLAY_ON, 20, 0
};
// clang-format on
qp_comms_bulk_command_sequence(device, st7789_init_sequence, sizeof(st7789_init_sequence));
// Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
const uint8_t madctl[] = {
[QP_ROTATION_0] = ST77XX_MADCTL_RGB,
[QP_ROTATION_90] = ST77XX_MADCTL_RGB | ST77XX_MADCTL_MX | ST77XX_MADCTL_MV,
[QP_ROTATION_180] = ST77XX_MADCTL_RGB | ST77XX_MADCTL_MX | ST77XX_MADCTL_MY,
[QP_ROTATION_270] = ST77XX_MADCTL_RGB | ST77XX_MADCTL_MV | ST77XX_MADCTL_MY,
};
qp_comms_command_databyte(device, ST77XX_SET_MADCTL, madctl[rotation]);
#ifndef ST7789_NO_AUTOMATIC_VIEWPORT_OFFSETS
st7789_automatic_viewport_offsets(device, rotation);
#endif // ST7789_NO_AUTOMATIC_VIEWPORT_OFFSETS
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Driver vtable
const struct tft_panel_dc_reset_painter_driver_vtable_t st7789_driver_vtable = {
.base =
{
.init = qp_st7789_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 = 2,
.swap_window_coords = false,
.opcodes =
{
.display_on = ST77XX_CMD_DISPLAY_ON,
.display_off = ST77XX_CMD_DISPLAY_OFF,
.set_column_address = ST77XX_SET_COL_ADDR,
.set_row_address = ST77XX_SET_ROW_ADDR,
.enable_writes = ST77XX_SET_MEM,
},
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SPI
#ifdef QUANTUM_PAINTER_ST7789_SPI_ENABLE
// Factory function for creating a handle to the ST7789 device
painter_device_t qp_st7789_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 < ST7789_NUM_DEVICES; ++i) {
tft_panel_dc_reset_painter_device_t *driver = &st7789_drivers[i];
if (!driver->base.driver_vtable) {
driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&st7789_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_ST7789_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

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// Copyright 2021 Paul Cotter (@gr1mr3aver)
// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "gpio.h"
#include "qp_internal.h"
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ST7789 configurables (add to your keyboard's config.h)
#ifndef ST7789_NUM_DEVICES
/**
* @def This controls the maximum number of ST7789 devices that Quantum Painter can communicate with at any one time.
* Increasing this number allows for multiple displays to be used.
*/
# define ST7789_NUM_DEVICES 1
#endif
// Additional configuration options to be copied to your keyboard's config.h (don't change here):
// If you know exactly which offsets should be used on your panel with respect to selected rotation, then this config
// option allows you to save some flash space -- you'll need to invoke qp_set_viewport_offsets() instead from your keyboard.
// #define ST7789_NO_AUTOMATIC_VIEWPORT_OFFSETS
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ST7789 device factories
#ifdef QUANTUM_PAINTER_ST7789_SPI_ENABLE
/**
* Factory method for an ST7789 SPI LCD 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_st7789_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_ST7789_SPI_ENABLE

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// Copyright 2021 Paul Cotter (@gr1mr3aver)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ST7789 additional command opcodes
// System function commands
#define ST7789_GET_SELF_DIAG 0x0F // Get self-diagnostic result
#define ST7789_SET_VERT_SCRL 0x33 // Set vertical scroll definition
#define ST7789_SET_VERT_SCRL_ADDR 0x37 // SEt Vertical scroll start address
#define ST7789_SET_MEM_CONT 0x3C // Memory Write continue
#define ST7789_GET_MEM_CONT 0x3E // Memory Read continue
#define ST7789_SET_TEAR_LINE 0x44 // Set tear scanline
#define ST7789_GET_TEAR_LINE 0x45 // Get tear scanline
#define ST7789_SET_BRIGHTNESS 0x51 // Set display brightness
#define ST7789_GET_BRIGHTNESS 0x52 // Get display brightness
#define ST7789_SET_CTRL 0x53 // Set CTRL display
#define ST7789_GET_CTRL 0x54 // Get CTRL display value
#define ST7789_SET_CAB_COLOR 0x55 // Set content adaptive brightness control and color enhancement
#define ST7789_GET_CAB_COLOR 0x56 // Get content adaptive brightness control and color enhancement
#define ST7789_SET_CAB_BRIGHTNESS 0x5E // Set content adaptive minimum brightness
#define ST7789_GET_CAB_BRIGHTNESS 0x5F // Get content adaptive minimum brightness
#define ST7789_GET_ABC_SELF_DIAG 0x68 // Get Auto brightness control self diagnostics
// Panel Function Commands
#define ST7789_SET_RAM_CTL 0xB0 // Set RAM control
#define ST7789_SET_RGB_CTL 0xB1 // Set RGB control
#define ST7789_SET_PORCH_CTL 0xB2 // Set Porch control
#define ST7789_SET_FRAME_RATE_CTL_1 0xB3 // Set frame rate control 1
#define ST7789_SET_PARTIAL_CTL 0xB5 // Set Partial control
#define ST7789_SET_GATE_CTL 0xB7 // Set gate control
#define ST7789_SET_GATE_ON_TIMING 0xB8 // Set gate on timing adjustment
#define ST7789_SET_DIGITAL_GAMMA_ON 0xBA // Enable digital gamma
#define ST7789_SET_VCOM 0xBB // Set VCOM
#define ST7789_SET_POWER_SAVE 0xBC // Set power saving mode
#define ST7789_SET_DISP_OFF_POWER 0xBD // Set display off power saving
#define ST7789_SET_LCM_CTL 0xC0 // Set LCM control
#define ST7789_SET_IDS 0xC1 // Set IDs
#define ST7789_SET_VDV_VRH_ON 0xC2 // Set VDV and VRH command enable
#define ST7789_SET_VRH 0xC3 // Set VRH
#define ST7789_SET_VDV 0xC4 // Set VDV
#define ST7789_SET_VCOM_OFFSET 0xC5 // Set VCOM offset ctl
#define ST7789_SET_FRAME_RATE_CTL_2 0xC6 // Set frame rate control 2
#define ST7789_SET_CABC_CTL 0xC7 // Set CABC Control
#define ST7789_GET_REG_1 0xC8 // Get register value selection1
#define ST7789_GET_REG_2 0xCA // Get register value selection2
#define ST7789_SET_PWM_FREQ 0xCC // Set PWM frequency
#define ST7789_SET_POWER_CTL_1 0xD0 // Set power ctl 1
#define ST7789_SET_VAP_VAN_ON 0xD2 // Enable VAP/VAN signal output
#define ST7789_SET_CMD2_ENABLE 0xDF // Enable command 2
#define ST7789_SET_PGAMMA 0xE0 // Set positive gamma
#define ST7789_SET_NGAMMA 0xE1 // Set negative gamma
#define ST7789_SET_DIGITAL_GAMMA_RED 0xE2 // Set digital gamma lookup table for red
#define ST7789_SET_DIGITAL_GAMMA_BLUE 0xE3 // Get digital gamma lookup table for blue
#define ST7789_SET_GATE_CTL_2 0xE4 // Set gate control 2
#define ST7789_SET_SPI2_ENABLE 0xE7 // Enable SPI2
#define ST7789_SET_POWER_CTL_2 0xE8 // Set power ctl 2
#define ST7789_SET_EQ_TIME_CTL 0xE9 // Set equalize time control
#define ST7789_SET_PROG_CTL 0xEC // Set program control
#define ST7789_SET_PROG_MODE_ENABLE 0xFA // Set program mode enable
#define ST7789_SET_NVMEM 0xFC // Set NVMEM data
#define ST7789_SET_PROG_ACTION 0xFE // Set program action

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// Copyright 2021 Paul Cotter (@gr1mr3aver)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ST77XX command opcodes
// System function commands
#define ST77XX_CMD_NOP 0x00 // No operation
#define ST77XX_CMD_RESET 0x01 // Software reset
#define ST77XX_GET_ID_INFO 0x04 // Get ID information
#define ST77XX_GET_STATUS 0x09 // Get status
#define ST77XX_GET_PWR_MODE 0x0A // Get power mode
#define ST77XX_GET_MADCTL 0x0B // Get mem access ctl
#define ST77XX_GET_PIX_FMT 0x0C // Get pixel format
#define ST77XX_GET_IMG_FMT 0x0D // Get image format
#define ST77XX_GET_SIG_MODE 0x0E // Get signal mode
#define ST77XX_CMD_SLEEP_ON 0x10 // Enter sleep mode
#define ST77XX_CMD_SLEEP_OFF 0x11 // Exist sleep mode
#define ST77XX_CMD_PARTIAL_ON 0x12 // Enter partial mode
#define ST77XX_CMD_NORMAL_ON 0x13 // Exit partial mode
#define ST77XX_CMD_INVERT_OFF 0x20 // Exit inverted mode
#define ST77XX_CMD_INVERT_ON 0x21 // Enter inverted mode
#define ST77XX_SET_GAMMA 0x26 // Set gamma params
#define ST77XX_CMD_DISPLAY_OFF 0x28 // Disable display
#define ST77XX_CMD_DISPLAY_ON 0x29 // Enable display
#define ST77XX_SET_COL_ADDR 0x2A // Set column address
#define ST77XX_SET_ROW_ADDR 0x2B // Set page (row) address
#define ST77XX_SET_MEM 0x2C // Set memory
#define ST77XX_GET_MEM 0x2E // Get memory
#define ST77XX_SET_PARTIAL_AREA 0x30 // Set partial area
#define ST77XX_CMD_TEARING_OFF 0x34 // Tearing line disabled
#define ST77XX_CMD_TEARING_ON 0x35 // Tearing line enabled
#define ST77XX_SET_MADCTL 0x36 // Set mem access ctl
#define ST77XX_CMD_IDLE_OFF 0x38 // Exit idle mode
#define ST77XX_CMD_IDLE_ON 0x39 // Enter idle mode
#define ST77XX_SET_PIX_FMT 0x3A // Set pixel format
#define ST77XX_GET_ID1 0xDA // Get ID1
#define ST77XX_GET_ID2 0xDB // Get ID2
#define ST77XX_GET_ID3 0xDC // Get ID3
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// MADCTL Flags
#define ST77XX_MADCTL_MY 0b10000000
#define ST77XX_MADCTL_MX 0b01000000
#define ST77XX_MADCTL_MV 0b00100000
#define ST77XX_MADCTL_ML 0b00010000
#define ST77XX_MADCTL_RGB 0b00000000
#define ST77XX_MADCTL_BGR 0b00001000
#define ST77XX_MADCTL_MH 0b00000100