mirror of
https://github.com/esphome/esphome.git
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a3dcac62f9
Co-authored-by: Stefan Agner <stefan@agner.ch> Co-authored-by: Otto Winter <otto@otto-winter.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
151 lines
7.9 KiB
C++
151 lines
7.9 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/spi/spi.h"
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#include "esphome/components/display/display_buffer.h"
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namespace esphome {
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namespace st7789v {
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static const uint8_t BLACK = 0;
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static const uint8_t WHITE = 1;
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static const uint8_t ST7789_NOP = 0x00; // No Operation
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static const uint8_t ST7789_SWRESET = 0x01; // Software Reset
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static const uint8_t ST7789_RDDID = 0x04; // Read Display ID
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static const uint8_t ST7789_RDDST = 0x09; // Read Display Status
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static const uint8_t ST7789_RDDPM = 0x0A; // Read Display Power Mode
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static const uint8_t ST7789_RDDMADCTL = 0x0B; // Read Display MADCTL
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static const uint8_t ST7789_RDDCOLMOD = 0x0C; // Read Display Pixel Format
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static const uint8_t ST7789_RDDIM = 0x0D; // Read Display Image Mode
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static const uint8_t ST7789_RDDSM = 0x0E; // Read Display Signal Mod
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static const uint8_t ST7789_RDDSDR = 0x0F; // Read Display Self-Diagnostic Result
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static const uint8_t ST7789_SLPIN = 0x10; // Sleep in
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static const uint8_t ST7789_SLPOUT = 0x11; // Sleep Out
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static const uint8_t ST7789_PTLON = 0x12; // Partial Display Mode On
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static const uint8_t ST7789_NORON = 0x13; // Normal Display Mode On
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static const uint8_t ST7789_INVOFF = 0x20; // Display Inversion Off
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static const uint8_t ST7789_INVON = 0x21; // Display Inversion On
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static const uint8_t ST7789_GAMSET = 0x26; // Gamma Set
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static const uint8_t ST7789_DISPOFF = 0x28; // Display Off
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static const uint8_t ST7789_DISPON = 0x29; // Display On
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static const uint8_t ST7789_CASET = 0x2A; // Column Address Set
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static const uint8_t ST7789_RASET = 0x2B; // Row Address Set
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static const uint8_t ST7789_RAMWR = 0x2C; // Memory Write
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static const uint8_t ST7789_RAMRD = 0x2E; // Memory Read
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static const uint8_t ST7789_PTLAR = 0x30; // Partial Area
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static const uint8_t ST7789_VSCRDEF = 0x33; // Vertical Scrolling Definition
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static const uint8_t ST7789_TEOFF = 0x34; // Tearing Effect Line Off
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static const uint8_t ST7789_TEON = 0x35; // Tearing Effect Line On
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static const uint8_t ST7789_MADCTL = 0x36; // Memory Data Access Control
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static const uint8_t ST7789_VSCSAD = 0x37; // Vertical Scroll Start Address of RAM
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static const uint8_t ST7789_IDMOFF = 0x38; // Idle Mode Off
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static const uint8_t ST7789_IDMON = 0x39; // Idle Mode On
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static const uint8_t ST7789_COLMOD = 0x3A; // Interface Pixel Format
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static const uint8_t ST7789_WRMEMC = 0x3C; // Write Memory Continue
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static const uint8_t ST7789_RDMEMC = 0x3E; // Read Memory Continue
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static const uint8_t ST7789_STE = 0x44; // Set Tear Scanline
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static const uint8_t ST7789_GSCAN = 0x45; // Get Scanline
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static const uint8_t ST7789_WRDISBV = 0x51; // Write Display Brightness
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static const uint8_t ST7789_RDDISBV = 0x52; // Read Display Brightness Value
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static const uint8_t ST7789_WRCTRLD = 0x53; // Write CTRL Display
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static const uint8_t ST7789_RDCTRLD = 0x54; // Read CTRL Value Display
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static const uint8_t ST7789_WRCACE = 0x55; // Write Content Adaptive Brightness Control and Color Enhancement
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static const uint8_t ST7789_RDCABC = 0x56; // Read Content Adaptive Brightness Control
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static const uint8_t ST7789_WRCABCMB = 0x5E; // Write CABC Minimum Brightnes
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static const uint8_t ST7789_RDCABCMB = 0x5F; // Read CABC Minimum Brightnes
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static const uint8_t ST7789_RDABCSDR = 0x68; // Read Automatic Brightness Control Self-Diagnostic Result
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static const uint8_t ST7789_RDID1 = 0xDA; // Read ID1
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static const uint8_t ST7789_RDID2 = 0xDB; // Read ID2
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static const uint8_t ST7789_RDID3 = 0xDC; // Read ID3
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static const uint8_t ST7789_RAMCTRL = 0xB0; // RAM Control
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static const uint8_t ST7789_RGBCTRL = 0xB1; // RGB Interface Control
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static const uint8_t ST7789_PORCTRL = 0xB2; // Porch Setting
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static const uint8_t ST7789_FRCTRL1 = 0xB3; // Frame Rate Control 1 (In partial mode/ idle colors)
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static const uint8_t ST7789_PARCTRL = 0xB5; // Partial mode Control
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static const uint8_t ST7789_GCTRL = 0xB7; // Gate Control
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static const uint8_t ST7789_GTADJ = 0xB8; // Gate On Timing Adjustment
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static const uint8_t ST7789_DGMEN = 0xBA; // Digital Gamma Enable
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static const uint8_t ST7789_VCOMS = 0xBB; // VCOMS Setting
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static const uint8_t ST7789_LCMCTRL = 0xC0; // LCM Control
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static const uint8_t ST7789_IDSET = 0xC1; // ID Code Setting
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static const uint8_t ST7789_VDVVRHEN = 0xC2; // VDV and VRH Command Enable
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static const uint8_t ST7789_VRHS = 0xC3; // VRH Set
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static const uint8_t ST7789_VDVS = 0xC4; // VDV Set
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static const uint8_t ST7789_VCMOFSET = 0xC5; // VCOMS Offset Set
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static const uint8_t ST7789_FRCTRL2 = 0xC6; // Frame Rate Control in Normal Mode
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static const uint8_t ST7789_CABCCTRL = 0xC7; // CABC Control
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static const uint8_t ST7789_REGSEL1 = 0xC8; // Register Value Selection 1
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static const uint8_t ST7789_REGSEL2 = 0xCA; // Register Value Selection
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static const uint8_t ST7789_PWMFRSEL = 0xCC; // PWM Frequency Selection
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static const uint8_t ST7789_PWCTRL1 = 0xD0; // Power Control 1
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static const uint8_t ST7789_VAPVANEN = 0xD2; // Enable VAP/VAN signal output
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static const uint8_t ST7789_CMD2EN = 0xDF; // Command 2 Enable
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static const uint8_t ST7789_PVGAMCTRL = 0xE0; // Positive Voltage Gamma Control
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static const uint8_t ST7789_NVGAMCTRL = 0xE1; // Negative Voltage Gamma Control
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static const uint8_t ST7789_DGMLUTR = 0xE2; // Digital Gamma Look-up Table for Red
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static const uint8_t ST7789_DGMLUTB = 0xE3; // Digital Gamma Look-up Table for Blue
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static const uint8_t ST7789_GATECTRL = 0xE4; // Gate Control
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static const uint8_t ST7789_SPI2EN = 0xE7; // SPI2 Enable
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static const uint8_t ST7789_PWCTRL2 = 0xE8; // Power Control 2
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static const uint8_t ST7789_EQCTRL = 0xE9; // Equalize time control
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static const uint8_t ST7789_PROMCTRL = 0xEC; // Program Mode Control
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static const uint8_t ST7789_PROMEN = 0xFA; // Program Mode Enable
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static const uint8_t ST7789_NVMSET = 0xFC; // NVM Setting
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static const uint8_t ST7789_PROMACT = 0xFE; // Program action
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// Flags for ST7789_MADCTL
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static const uint8_t ST7789_MADCTL_MY = 0x80;
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static const uint8_t ST7789_MADCTL_MX = 0x40;
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static const uint8_t ST7789_MADCTL_MV = 0x20;
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static const uint8_t ST7789_MADCTL_ML = 0x10;
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static const uint8_t ST7789_MADCTL_RGB = 0x00;
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static const uint8_t ST7789_MADCTL_BGR = 0x08;
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static const uint8_t ST7789_MADCTL_MH = 0x04;
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static const uint8_t ST7789_MADCTL_SS = 0x02;
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static const uint8_t ST7789_MADCTL_GS = 0x01;
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static const uint8_t ST7789_MADCTL_COLOR_ORDER = ST7789_MADCTL_BGR;
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class ST7789V : public PollingComponent,
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public display::DisplayBuffer,
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public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_HIGH, spi::CLOCK_PHASE_TRAILING,
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spi::DATA_RATE_8MHZ> {
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public:
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void set_dc_pin(GPIOPin *dc_pin) { this->dc_pin_ = dc_pin; }
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void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
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void set_backlight_pin(GPIOPin *backlight_pin) { this->backlight_pin_ = backlight_pin; }
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// ========== INTERNAL METHODS ==========
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// (In most use cases you won't need these)
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override;
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void update() override;
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void loop() override;
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void write_display_data();
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protected:
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GPIOPin *dc_pin_;
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GPIOPin *reset_pin_{nullptr};
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GPIOPin *backlight_pin_{nullptr};
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void init_reset_();
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void backlight_(bool onoff);
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void write_command_(uint8_t value);
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void write_data_(uint8_t value);
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void write_addr_(uint16_t addr1, uint16_t addr2);
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void write_color_(uint16_t color, uint16_t size);
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int get_height_internal() override;
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int get_width_internal() override;
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size_t get_buffer_length_();
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void draw_filled_rect_(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
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void draw_absolute_pixel_internal(int x, int y, Color color) override;
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};
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} // namespace st7789v
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} // namespace esphome
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