mirror of
https://github.com/randybb/esphome-configs.git
synced 2026-01-02 11:37:28 +01:00
150 lines
5.7 KiB
C++
150 lines
5.7 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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// ST7735 specific commands used in init
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#define ST7735_NOP 0x00
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#define ST7735_SWRESET 0x01
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#define ST7735_RDDID 0x04
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#define ST7735_RDDST 0x09
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#define ST7735_RDDPM 0x0A // Read display power mode
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#define ST7735_RDD_MADCTL 0x0B // Read display MADCTL
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#define ST7735_RDD_COLMOD 0x0C // Read display pixel format
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#define ST7735_RDDIM 0x0D // Read display image mode
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#define ST7735_RDDSM 0x0E // Read display signal mode
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#define ST7735_RDDSR 0x0F // Read display self-diagnostic result (ST7735)
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#define ST7735_SLPIN 0x10
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#define ST7735_SLPOUT 0x11
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#define ST7735_PTLON 0x12
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#define ST7735_NORON 0x13
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#define ST7735_INVOFF 0x20
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#define ST7735_INVON 0x21
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#define ST7735_GAMSET 0x26 // Gamma set
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#define ST7735_DISPOFF 0x28
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#define ST7735_DISPON 0x29
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#define ST7735_CASET 0x2A
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#define ST7735_RASET 0x2B
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#define ST7735_RAMWR 0x2C
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#define ST7735_RGBSET 0x2D // Color setting for 4096, 64K and 262K colors
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#define ST7735_RAMRD 0x2E
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#define ST7735_PTLAR 0x30
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#define ST7735_VSCRDEF 0x33 // Vertical scrolling definition (ST7735)
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#define ST7735_TEOFF 0x34 // Tearing effect line off
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#define ST7735_TEON 0x35 // Tearing effect line on
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#define ST7735_MADCTL 0x36 // Memory data access control
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#define ST7735_IDMOFF 0x38 // Idle mode off
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#define ST7735_IDMON 0x39 // Idle mode on
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#define ST7735_RAMWRC 0x3C // Memory write continue (ST7735)
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#define ST7735_RAMRDC 0x3E // Memory read continue (ST7735)
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#define ST7735_COLMOD 0x3A
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#define ST7735_RAMCTRL 0xB0 // RAM control
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#define ST7735_RGBCTRL 0xB1 // RGB control
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#define ST7735_PORCTRL 0xB2 // Porch control
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#define ST7735_FRCTRL1 0xB3 // Frame rate control
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#define ST7735_PARCTRL 0xB5 // Partial mode control
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#define ST7735_GCTRL 0xB7 // Gate control
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#define ST7735_GTADJ 0xB8 // Gate on timing adjustment
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#define ST7735_DGMEN 0xBA // Digital gamma enable
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#define ST7735_VCOMS 0xBB // VCOMS setting
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#define ST7735_LCMCTRL 0xC0 // LCM control
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#define ST7735_IDSET 0xC1 // ID setting
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#define ST7735_VDVVRHEN 0xC2 // VDV and VRH command enable
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#define ST7735_VRHS 0xC3 // VRH set
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#define ST7735_VDVSET 0xC4 // VDV setting
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#define ST7735_VCMOFSET 0xC5 // VCOMS offset set
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#define ST7735_FRCTR2 0xC6 // FR Control 2
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#define ST7735_CABCCTRL 0xC7 // CABC control
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#define ST7735_REGSEL1 0xC8 // Register value section 1
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#define ST7735_REGSEL2 0xCA // Register value section 2
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#define ST7735_PWMFRSEL 0xCC // PWM frequency selection
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#define ST7735_PWCTRL1 0xD0 // Power control 1
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#define ST7735_VAPVANEN 0xD2 // Enable VAP/VAN signal output
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#define ST7735_CMD2EN 0xDF // Command 2 enable
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#define ST7735_PVGAMCTRL 0xE0 // Positive voltage gamma control
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#define ST7735_NVGAMCTRL 0xE1 // Negative voltage gamma control
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#define ST7735_DGMLUTR 0xE2 // Digital gamma look-up table for red
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#define ST7735_DGMLUTB 0xE3 // Digital gamma look-up table for blue
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#define ST7735_GATECTRL 0xE4 // Gate control
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#define ST7735_SPI2EN 0xE7 // SPI2 enable
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#define ST7735_PWCTRL2 0xE8 // Power control 2
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#define ST7735_EQCTRL 0xE9 // Equalize time control
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#define ST7735_PROMCTRL 0xEC // Program control
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#define ST7735_PROMEN 0xFA // Program mode enable
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#define ST7735_NVMSET 0xFC // NVM setting
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#define ST7735_PROMACT 0xFE // Program action
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// Some ready-made 16-bit ('565') color settings:
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#define ST77XX_BLACK 0x0000
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#define ST77XX_WHITE 0xFFFF
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#define ST77XX_RED 0xF800
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#define ST77XX_GREEN 0x07E0
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#define ST77XX_BLUE 0x001F
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#define ST77XX_CYAN 0x07FF
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#define ST77XX_MAGENTA 0xF81F
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#define ST77XX_YELLOW 0xFFE0
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#define ST77XX_ORANGE 0xFC00
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// Some ready-made 16-bit ('565') color settings:
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#define ST7735_BLACK ST77XX_BLACK
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#define ST7735_WHITE ST77XX_WHITE
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#define ST7735_RED ST77XX_RED
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#define ST7735_GREEN ST77XX_GREEN
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#define ST7735_BLUE ST77XX_BLUE
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#define ST7735_CYAN ST77XX_CYAN
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#define ST7735_MAGENTA ST77XX_MAGENTA
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#define ST7735_YELLOW ST77XX_YELLOW
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#define ST7735_ORANGE ST77XX_ORANGE
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namespace esphome {
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namespace st7735 {
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class ST7735 : public PollingComponent, 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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// ========== 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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void displayInit(const uint8_t *addr);
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void sendcommand(uint8_t cmd, const uint8_t* dataBytes, uint8_t numDataBytes);
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void senddata(const uint8_t* dataBytes, uint8_t numDataBytes);
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void init_reset_();
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void writecommand(uint8_t value);
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void writedata(uint8_t value);
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void spi_master_write_addr(uint16_t addr1, uint16_t addr2);
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void spi_master_write_color(uint16_t color, uint16_t size);
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void draw_absolute_pixel_internal(int x, int y, Color color) override;
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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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};
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} // namespace st7735
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} // namespace esphome
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