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https://github.com/qmk/qmk_firmware.git
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Initial commit, untested
This commit is contained in:
elpekenin
parent
590c889537
commit
210a560f01
127
drivers/painter/ssd1680/qp_ssd1680.c
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127
drivers/painter/ssd1680/qp_ssd1680.c
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// Copyright 2022 Pablo Martinez (@elpekenin)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "qp_internal.h"
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#include "qp_comms.h"
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#include "qp_ssd1680.h"
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#include "qp_ssd1680_opcodes.h"
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#include "qp_eink_panel.h"
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#include "qp_surface.h"
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#ifdef QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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# include <qp_comms_spi.h>
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#endif // QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Common
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// Driver storage
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eink_panel_dc_reset_painter_device_t ssd1680_drivers[SSD1680_NUM_DEVICES] = {0};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Initialization
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bool qp_ssd1680_init(painter_device_t device, painter_rotation_t rotation) {
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struct eink_panel_dc_reset_painter_device_t *driver = (struct eink_panel_dc_reset_painter_device_t *)device;
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// clang-format off
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const uint8_t ssd1680_init_sequence[] = {
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// Command, Delay, N, Data[N]
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SSD1680_SOFT_RESET, 120, 1, 0x14,
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SSD1680_DATA_ENTRY_MODE, 0, 1, 0x01,
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SSD1680_BORDER_CONTROL, 0, 1, 0x05,
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SSD1680_DISPLAY_UPDATE_CONTROL, 0, 2, 0x00, 0x80,
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SSD1680_TEMP_SENSOR, 0, 1, 0x80,
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SSD1680_VCOM_VOLTAGE, 0, 1, 0x36,
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SSD1680_GATE_VOLTAGE, 0, 1, 0x17,
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SSD1680_SOURCE_VOLTAGE, 0, 3, 0x41, 0x00, 0x32,
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SSD1680_RAM_X_SIZE, 0, 2, 0x00, (driver->base.panel_height/8 - 1) & 0xFF,
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SSD1680_RAM_X_COUNTER, 0, 1, 0x01,
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SSD1680_RAM_Y_SIZE, 0, 4, (driver->base.panel_width-1) & 0xFF, ((driver->base.panel_width-1) >> 8) & 0xFF, 0x00, 0x00,
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SSD1680_RAM_Y_COUNTER, 0, 2, (driver->base.panel_width-1) & 0xFF, ((driver->base.panel_width-1) >> 8) & 0xFF,
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SSD1680_RESOLUTION, 0, 3, (driver->base.panel_width-1) & 0xFF, ((driver->base.panel_width-1) >> 8) & 0xFF, 0x00,
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SSD1680_UPDATE_MODE, 0, 1, 0xF4
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};
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// clang-format on
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qp_comms_bulk_command_sequence(device, ssd1680_init_sequence, sizeof(ssd1680_init_sequence));
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driver->base.rotation = rotation;
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qp_init(driver->black_surface, rotation);
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qp_init(driver->red_surface, rotation);
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Driver vtable
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const struct eink_panel_dc_reset_painter_driver_vtable_t ssd1680_driver_vtable = {
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.base =
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{
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.init = qp_ssd1680_init,
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.power = qp_eink_panel_power,
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.clear = qp_eink_panel_clear,
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.flush = qp_eink_panel_flush,
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.pixdata = qp_eink_panel_pixdata,
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.viewport = qp_eink_panel_viewport,
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.palette_convert = qp_eink_panel_palette_convert_eink3,
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.append_pixels = qp_eink_panel_append_pixels_eink3,
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},
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.num_window_bytes = 2,
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.swap_window_coords = false,
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.opcodes =
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{
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.display_on = SSD1680_NOP, // Couldnt find a turn-on command
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.display_off = SSD1680_NOP, // There is a cmd to go into sleep mode, but requires HW reset in order to wake up
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.send_black_data = SSD1680_SEND_BLACK,
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.send_red_data = SSD1680_SEND_RED,
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.refresh = SSD1680_DISPLAY_REFRESH,
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}
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// SPI
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#ifdef QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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// Factory function for creating a handle to the SSD1680 device
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painter_device_t qp_ssd1680_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, void *ptr) {
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for (uint32_t i = 0; i < SSD1680_NUM_DEVICES; ++i) {
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eink_panel_dc_reset_painter_device_t *driver = &ssd1680_drivers[i];
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if (!driver->base.driver_vtable) {
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driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&ssd1680_driver_vtable;
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driver->base.comms_vtable = (const struct painter_comms_vtable_t *)&spi_comms_with_dc_shiftreg_vtable;
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driver->base.native_bits_per_pixel = 8; // Black and red channels
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driver->base.panel_width = panel_width;
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driver->base.panel_height = panel_height;
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driver->base.rotation = QP_ROTATION_0;
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driver->base.offset_x = 0;
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driver->base.offset_y = 0;
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driver->black_surface = qp_make_mono1bpp_surface(panel_width, panel_height, ptr);
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driver->red_surface = qp_make_mono1bpp_surface(panel_width, panel_height, ptr+SURFACE_REQUIRED_BUFFER_BYTE_SIZE(panel_width, panel_height, 1));
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driver->timeout = 3 * 60 * 1000; // 3 minutes just because
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driver->can_flush = true;
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driver->invert_black = true;
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driver->invert_red = false;
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// SPI and other pin configuration
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driver->base.comms_config = &driver->spi_dc_reset_config;
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driver->spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin;
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driver->spi_dc_reset_config.spi_config.divisor = spi_divisor;
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driver->spi_dc_reset_config.spi_config.lsb_first = false;
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driver->spi_dc_reset_config.spi_config.mode = spi_mode;
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driver->spi_dc_reset_config.dc_pin = dc_pin;
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driver->spi_dc_reset_config.reset_pin = reset_pin;
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return (painter_device_t)driver;
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}
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}
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return NULL;
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}
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#endif // QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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39
drivers/painter/ssd1680/qp_ssd1680.h
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39
drivers/painter/ssd1680/qp_ssd1680.h
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// Copyright 2022 Pablo Martinez (@elpekenin)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "gpio.h"
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#include "qp_internal.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter SSD1680_NUM_DEVICES configurables (add to your keyboard's config.h)
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#ifndef SSD1680_NUM_DEVICES
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/**
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* @def This controls the maximum number of SSD1680_NUM_DEVICES devices that Quantum Painter can communicate with at any one time.
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* Increasing this number allows for multiple displays to be used.
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*/
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# define SSD1680_NUM_DEVICES 1
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter SSD1680_NUM_DEVICES device factories
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#ifdef QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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/**
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* Factory method for an SSD1680 SPI LCD device.
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*
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* @param panel_width[in] the width of the display panel
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* @param panel_height[in] the height of the display panel
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* @param chip_select_pin[in] the GPIO pin used for SPI chip select
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* @param dc_pin[in] the GPIO pin used for D/C control
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* @param reset_pin[in] the GPIO pin used for RST
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* @param spi_divisor[in] the SPI divisor to use when communicating with the display
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* @param spi_mode[in] the SPI mode to use when communicating with the display
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* @param ptr[in] the array in which pixel data is stored
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* @return the device handle used with all drawing routines in Quantum Painter
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*/
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painter_device_t qp_ssd1680_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, void *ptr);
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#endif // QUANTUM_PAINTER_SSD1680_SPI_ENABLE
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25
drivers/painter/ssd1680/qp_ssd1680_opcodes.h
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25
drivers/painter/ssd1680/qp_ssd1680_opcodes.h
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// Copyright 2022 Pablo Martinez (@elpekenin)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter SSD1680 command opcodes
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#define SSD1680_NOP 0x00
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#define SSD1680_RESOLUTION 0x01
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#define SSD1680_GATE_VOLTAGE 0x03
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#define SSD1680_SOURCE_VOLTAGE 0x04
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#define SSD1680_DATA_ENTRY_MODE 0x11
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#define SSD1680_SOFT_RESET 0x12
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#define SSD1680_TEMP_SENSOR 0x18
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#define SSD1680_DISPLAY_REFRESH 0x20
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#define SSD1680_DISPLAY_UPDATE_CONTROL 0x21
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#define SSD1680_UPDATE_MODE 0x22
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#define SSD1680_SEND_BLACK 0x24
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#define SSD1680_SEND_RED 0x26
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#define SSD1680_VCOM_VOLTAGE 0x2C
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#define SSD1680_BORDER_CONTROL 0x3C
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#define SSD1680_RAM_X_SIZE 0x44
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#define SSD1680_RAM_Y_SIZE 0x45
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#define SSD1680_RAM_X_COUNTER 0x4E
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#define SSD1680_RAM_Y_COUNTER 0x4F
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