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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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121
drivers/painter/ili9xxx/qp_ili9163.c Normal file
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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#include "qp_internal.h"
#include "qp_comms.h"
#include "qp_ili9163.h"
#include "qp_ili9xxx_opcodes.h"
#include "qp_tft_panel.h"
#ifdef QUANTUM_PAINTER_ILI9163_SPI_ENABLE
# include "qp_comms_spi.h"
#endif // QUANTUM_PAINTER_ILI9163_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Common
// Driver storage
tft_panel_dc_reset_painter_device_t ili9163_drivers[ILI9163_NUM_DEVICES] = {0};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Initialization
bool qp_ili9163_init(painter_device_t device, painter_rotation_t rotation) {
// clang-format off
const uint8_t ili9163_init_sequence[] = {
// Command, Delay, N, Data[N]
ILI9XXX_CMD_RESET, 120, 0,
ILI9XXX_CMD_SLEEP_OFF, 5, 0,
ILI9XXX_SET_PIX_FMT, 0, 1, 0x55,
ILI9XXX_SET_GAMMA, 0, 1, 0x04,
ILI9XXX_ENABLE_3_GAMMA, 0, 1, 0x01,
ILI9XXX_SET_FUNCTION_CTL, 0, 2, 0xFF, 0x06,
ILI9XXX_SET_PGAMMA, 0, 15, 0x36, 0x29, 0x12, 0x22, 0x1C, 0x15, 0x42, 0xB7, 0x2F, 0x13, 0x12, 0x0A, 0x11, 0x0B, 0x06,
ILI9XXX_SET_NGAMMA, 0, 15, 0x09, 0x16, 0x2D, 0x0D, 0x13, 0x15, 0x40, 0x48, 0x53, 0x0C, 0x1D, 0x25, 0x2E, 0x34, 0x39,
ILI9XXX_SET_FRAME_CTL_NORMAL, 0, 2, 0x08, 0x02,
ILI9XXX_SET_POWER_CTL_1, 0, 2, 0x0A, 0x02,
ILI9XXX_SET_POWER_CTL_2, 0, 1, 0x02,
ILI9XXX_SET_VCOM_CTL_1, 0, 2, 0x50, 0x63,
ILI9XXX_SET_VCOM_CTL_2, 0, 1, 0x00,
ILI9XXX_CMD_PARTIAL_OFF, 0, 0,
ILI9XXX_CMD_DISPLAY_ON, 20, 0
};
// clang-format on
qp_comms_bulk_command_sequence(device, ili9163_init_sequence, sizeof(ili9163_init_sequence));
// Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
const uint8_t madctl[] = {
[QP_ROTATION_0] = ILI9XXX_MADCTL_BGR,
[QP_ROTATION_90] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MV,
[QP_ROTATION_180] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MY,
[QP_ROTATION_270] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MV | ILI9XXX_MADCTL_MY,
};
qp_comms_command_databyte(device, ILI9XXX_SET_MEM_ACS_CTL, madctl[rotation]);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Driver vtable
const struct tft_panel_dc_reset_painter_driver_vtable_t ili9163_driver_vtable = {
.base =
{
.init = qp_ili9163_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 = ILI9XXX_CMD_DISPLAY_ON,
.display_off = ILI9XXX_CMD_DISPLAY_OFF,
.set_column_address = ILI9XXX_SET_COL_ADDR,
.set_row_address = ILI9XXX_SET_PAGE_ADDR,
.enable_writes = ILI9XXX_SET_MEM,
},
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SPI
#ifdef QUANTUM_PAINTER_ILI9163_SPI_ENABLE
// Factory function for creating a handle to the ILI9163 device
painter_device_t qp_ili9163_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 < ILI9163_NUM_DEVICES; ++i) {
tft_panel_dc_reset_painter_device_t *driver = &ili9163_drivers[i];
if (!driver->base.driver_vtable) {
driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&ili9163_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_ILI9163_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

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drivers/painter/ili9xxx/qp_ili9163.h Normal file
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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "gpio.h"
#include "qp_internal.h"
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ILI9163 configurables (add to your keyboard's config.h)
#ifndef ILI9163_NUM_DEVICES
/**
* @def This controls the maximum number of ILI9163 devices that Quantum Painter can communicate with at any one time.
* Increasing this number allows for multiple displays to be used.
*/
# define ILI9163_NUM_DEVICES 1
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ILI9163 device factories
#ifdef QUANTUM_PAINTER_ILI9163_SPI_ENABLE
/**
* Factory method for an ILI9163 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_ili9163_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_ILI9163_SPI_ENABLE

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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#include "qp_internal.h"
#include "qp_comms.h"
#include "qp_ili9341.h"
#include "qp_ili9xxx_opcodes.h"
#include "qp_tft_panel.h"
#ifdef QUANTUM_PAINTER_ILI9341_SPI_ENABLE
# include <qp_comms_spi.h>
#endif // QUANTUM_PAINTER_ILI9341_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Common
// Driver storage
tft_panel_dc_reset_painter_device_t ili9341_drivers[ILI9341_NUM_DEVICES] = {0};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Initialization
bool qp_ili9341_init(painter_device_t device, painter_rotation_t rotation) {
// clang-format off
const uint8_t ili9341_init_sequence[] = {
// Command, Delay, N, Data[N]
ILI9XXX_CMD_RESET, 120, 0,
ILI9XXX_CMD_SLEEP_OFF, 5, 0,
ILI9XXX_POWER_CTL_A, 0, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
ILI9XXX_POWER_CTL_B, 0, 3, 0x00, 0xD9, 0x30,
ILI9XXX_POWER_ON_SEQ_CTL, 0, 4, 0x64, 0x03, 0x12, 0x81,
ILI9XXX_SET_PUMP_RATIO_CTL, 0, 1, 0x20,
ILI9XXX_SET_POWER_CTL_1, 0, 1, 0x26,
ILI9XXX_SET_POWER_CTL_2, 0, 1, 0x11,
ILI9XXX_SET_VCOM_CTL_1, 0, 2, 0x35, 0x3E,
ILI9XXX_SET_VCOM_CTL_2, 0, 1, 0xBE,
ILI9XXX_DRV_TIMING_CTL_A, 0, 3, 0x85, 0x10, 0x7A,
ILI9XXX_DRV_TIMING_CTL_B, 0, 2, 0x00, 0x00,
ILI9XXX_SET_BRIGHTNESS, 0, 1, 0xFF,
ILI9XXX_ENABLE_3_GAMMA, 0, 1, 0x00,
ILI9XXX_SET_GAMMA, 0, 1, 0x01,
ILI9XXX_SET_PGAMMA, 0, 15, 0x0F, 0x29, 0x24, 0x0C, 0x0E, 0x09, 0x4E, 0x78, 0x3C, 0x09, 0x13, 0x05, 0x17, 0x11, 0x00,
ILI9XXX_SET_NGAMMA, 0, 15, 0x00, 0x16, 0x1B, 0x04, 0x11, 0x07, 0x31, 0x33, 0x42, 0x05, 0x0C, 0x0A, 0x28, 0x2F, 0x0F,
ILI9XXX_SET_PIX_FMT, 0, 1, 0x05,
ILI9XXX_SET_FRAME_CTL_NORMAL, 0, 2, 0x00, 0x1B,
ILI9XXX_SET_FUNCTION_CTL, 0, 2, 0x0A, 0xA2,
ILI9XXX_CMD_PARTIAL_OFF, 0, 0,
ILI9XXX_CMD_DISPLAY_ON, 20, 0
};
// clang-format on
qp_comms_bulk_command_sequence(device, ili9341_init_sequence, sizeof(ili9341_init_sequence));
// Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
const uint8_t madctl[] = {
[QP_ROTATION_0] = ILI9XXX_MADCTL_BGR,
[QP_ROTATION_90] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MV,
[QP_ROTATION_180] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MY,
[QP_ROTATION_270] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MV | ILI9XXX_MADCTL_MY,
};
qp_comms_command_databyte(device, ILI9XXX_SET_MEM_ACS_CTL, madctl[rotation]);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Driver vtable
const struct tft_panel_dc_reset_painter_driver_vtable_t ili9341_driver_vtable = {
.base =
{
.init = qp_ili9341_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 = ILI9XXX_CMD_DISPLAY_ON,
.display_off = ILI9XXX_CMD_DISPLAY_OFF,
.set_column_address = ILI9XXX_SET_COL_ADDR,
.set_row_address = ILI9XXX_SET_PAGE_ADDR,
.enable_writes = ILI9XXX_SET_MEM,
},
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SPI
#ifdef QUANTUM_PAINTER_ILI9341_SPI_ENABLE
// Factory function for creating a handle to the ILI9341 device
painter_device_t qp_ili9341_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 < ILI9341_NUM_DEVICES; ++i) {
tft_panel_dc_reset_painter_device_t *driver = &ili9341_drivers[i];
if (!driver->base.driver_vtable) {
driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&ili9341_driver_vtable;
driver->base.comms_vtable = (const struct painter_comms_vtable_t *)&spi_comms_with_dc_vtable;
driver->base.native_bits_per_pixel = 16; // RGB565
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;
// 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_ILI9341_SPI_ENABLE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "gpio.h"
#include "qp_internal.h"
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ILI9341 configurables (add to your keyboard's config.h)
#ifndef ILI9341_NUM_DEVICES
/**
* @def This controls the maximum number of ILI9341 devices that Quantum Painter can communicate with at any one time.
* Increasing this number allows for multiple displays to be used.
*/
# define ILI9341_NUM_DEVICES 1
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ILI9341 device factories
#ifdef QUANTUM_PAINTER_ILI9341_SPI_ENABLE
/**
* Factory method for an ILI9341 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_ili9341_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_ILI9341_SPI_ENABLE

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drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h Normal file
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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter ILI9xxx command opcodes
#define ILI9XXX_CMD_NOP 0x00 // No operation
#define ILI9XXX_CMD_RESET 0x01 // Software reset
#define ILI9XXX_GET_ID_INFO 0x04 // Get ID information
#define ILI9XXX_GET_STATUS 0x09 // Get status
#define ILI9XXX_GET_PWR_MODE 0x0A // Get power mode
#define ILI9XXX_GET_MADCTL 0x0B // Get MADCTL
#define ILI9XXX_GET_PIX_FMT 0x0C // Get pixel format
#define ILI9XXX_GET_IMG_FMT 0x0D // Get image format
#define ILI9XXX_GET_SIG_MODE 0x0E // Get signal mode
#define ILI9XXX_GET_SELF_DIAG 0x0F // Get self-diagnostics
#define ILI9XXX_CMD_SLEEP_ON 0x10 // Enter sleep mode
#define ILI9XXX_CMD_SLEEP_OFF 0x11 // Exist sleep mode
#define ILI9XXX_CMD_PARTIAL_ON 0x12 // Enter partial mode
#define ILI9XXX_CMD_PARTIAL_OFF 0x13 // Exit partial mode
#define ILI9XXX_CMD_INVERT_ON 0x20 // Enter inverted mode
#define ILI9XXX_CMD_INVERT_OFF 0x21 // Exit inverted mode
#define ILI9XXX_SET_GAMMA 0x26 // Set gamma params
#define ILI9XXX_CMD_DISPLAY_OFF 0x28 // Disable display
#define ILI9XXX_CMD_DISPLAY_ON 0x29 // Enable display
#define ILI9XXX_SET_COL_ADDR 0x2A // Set column address
#define ILI9XXX_SET_PAGE_ADDR 0x2B // Set page address
#define ILI9XXX_SET_MEM 0x2C // Set memory
#define ILI9XXX_SET_COLOR 0x2D // Set color
#define ILI9XXX_GET_MEM 0x2E // Get memory
#define ILI9XXX_SET_PARTIAL_AREA 0x30 // Set partial area
#define ILI9XXX_SET_VSCROLL 0x33 // Set vertical scroll def
#define ILI9XXX_CMD_TEARING_ON 0x34 // Tearing line enabled
#define ILI9XXX_CMD_TEARING_OFF 0x35 // Tearing line disabled
#define ILI9XXX_SET_MEM_ACS_CTL 0x36 // Set mem access ctl
#define ILI9XXX_SET_VSCROLL_ADDR 0x37 // Set vscroll start addr
#define ILI9XXX_CMD_IDLE_OFF 0x38 // Exit idle mode
#define ILI9XXX_CMD_IDLE_ON 0x39 // Enter idle mode
#define ILI9XXX_SET_PIX_FMT 0x3A // Set pixel format
#define ILI9XXX_SET_MEM_CONT 0x3C // Set memory continue
#define ILI9XXX_GET_MEM_CONT 0x3E // Get memory continue
#define ILI9XXX_SET_TEAR_SCANLINE 0x44 // Set tearing scanline
#define ILI9XXX_GET_TEAR_SCANLINE 0x45 // Get tearing scanline
#define ILI9XXX_SET_BRIGHTNESS 0x51 // Set brightness
#define ILI9XXX_GET_BRIGHTNESS 0x52 // Get brightness
#define ILI9XXX_SET_DISPLAY_CTL 0x53 // Set display ctl
#define ILI9XXX_GET_DISPLAY_CTL 0x54 // Get display ctl
#define ILI9XXX_SET_CABC 0x55 // Set CABC
#define ILI9XXX_GET_CABC 0x56 // Get CABC
#define ILI9XXX_SET_CABC_MIN 0x5E // Set CABC min
#define ILI9XXX_GET_CABC_MIN 0x5F // Set CABC max
#define ILI9XXX_GET_ID1 0xDA // Get ID1
#define ILI9XXX_GET_ID2 0xDB // Get ID2
#define ILI9XXX_GET_ID3 0xDC // Get ID3
#define ILI9XXX_SET_RGB_IF_SIG_CTL 0xB0 // RGB IF signal ctl
#define ILI9XXX_SET_FRAME_CTL_NORMAL 0xB1 // Set frame ctl (normal)
#define ILI9XXX_SET_FRAME_CTL_IDLE 0xB2 // Set frame ctl (idle)
#define ILI9XXX_SET_FRAME_CTL_PARTIAL 0xB3 // Set frame ctl (partial)
#define ILI9XXX_SET_INVERSION_CTL 0xB4 // Set inversion ctl
#define ILI9XXX_SET_BLANKING_PORCH_CTL 0xB5 // Set blanking porch ctl
#define ILI9XXX_SET_FUNCTION_CTL 0xB6 // Set function ctl
#define ILI9XXX_SET_ENTRY_MODE 0xB7 // Set entry mode
#define ILI9XXX_SET_LIGHT_CTL_1 0xB8 // Set backlight ctl 1
#define ILI9XXX_SET_LIGHT_CTL_2 0xB9 // Set backlight ctl 2
#define ILI9XXX_SET_LIGHT_CTL_3 0xBA // Set backlight ctl 3
#define ILI9XXX_SET_LIGHT_CTL_4 0xBB // Set backlight ctl 4
#define ILI9XXX_SET_LIGHT_CTL_5 0xBC // Set backlight ctl 5
#define ILI9XXX_SET_LIGHT_CTL_7 0xBE // Set backlight ctl 7
#define ILI9XXX_SET_LIGHT_CTL_8 0xBF // Set backlight ctl 8
#define ILI9XXX_SET_POWER_CTL_1 0xC0 // Set power ctl 1
#define ILI9XXX_SET_POWER_CTL_2 0xC1 // Set power ctl 2
#define ILI9XXX_SET_VCOM_CTL_1 0xC5 // Set VCOM ctl 1
#define ILI9XXX_SET_VCOM_CTL_2 0xC7 // Set VCOM ctl 2
#define ILI9XXX_POWER_CTL_A 0xCB // Set power control A
#define ILI9XXX_POWER_CTL_B 0xCF // Set power control B
#define ILI9XXX_DRV_TIMING_CTL_A 0xE8 // Set driver timing control A
#define ILI9XXX_DRV_TIMING_CTL_B 0xEA // Set driver timing control B
#define ILI9XXX_POWER_ON_SEQ_CTL 0xED // Set Power on sequence control
#define ILI9XXX_SET_NVMEM 0xD0 // Set NVMEM data
#define ILI9XXX_GET_NVMEM_KEY 0xD1 // Get NVMEM protect key
#define ILI9XXX_GET_NVMEM_STATUS 0xD2 // Get NVMEM status
#define ILI9XXX_GET_ID4 0xD3 // Get ID4
#define ILI9XXX_SET_PGAMMA 0xE0 // Set positive gamma
#define ILI9XXX_SET_NGAMMA 0xE1 // Set negative gamma
#define ILI9XXX_SET_DGAMMA_CTL_1 0xE2 // Set digital gamma ctl 1
#define ILI9XXX_SET_DGAMMA_CTL_2 0xE3 // Set digital gamma ctl 2
#define ILI9XXX_ENABLE_3_GAMMA 0xF2 // Enable 3 gamma
#define ILI9XXX_SET_IF_CTL 0xF6 // Set interface control
#define ILI9XXX_SET_PUMP_RATIO_CTL 0xF7 // Set pump ratio control
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// MADCTL Flags
#define ILI9XXX_MADCTL_MY 0b10000000
#define ILI9XXX_MADCTL_MX 0b01000000
#define ILI9XXX_MADCTL_MV 0b00100000
#define ILI9XXX_MADCTL_ML 0b00010000
#define ILI9XXX_MADCTL_RGB 0b00000000
#define ILI9XXX_MADCTL_BGR 0b00001000
#define ILI9XXX_MADCTL_MH 0b00000100