ESPHome 2025.5.0
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st7701s.h
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1//
2// Created by Clyde Stubbs on 29/10/2023.
3//
4#pragma once
5
6// only applicable on ESP32-S3
7#ifdef USE_ESP32_VARIANT_ESP32S3
11#include "esp_lcd_panel_ops.h"
12
13#include "esp_lcd_panel_rgb.h"
14
15namespace esphome {
16namespace st7701s {
17
18constexpr static const char *const TAG = "display.st7701s";
19const uint8_t SW_RESET_CMD = 0x01;
20const uint8_t SLEEP_OUT = 0x11;
21const uint8_t SDIR_CMD = 0xC7;
22const uint8_t MADCTL_CMD = 0x36;
23const uint8_t INVERT_OFF = 0x20;
24const uint8_t INVERT_ON = 0x21;
25const uint8_t DISPLAY_ON = 0x29;
26const uint8_t CMD2_BKSEL = 0xFF;
27const uint8_t CMD2_BK0[5] = {0x77, 0x01, 0x00, 0x00, 0x10};
28const uint8_t ST7701S_DELAY_FLAG = 0xFF;
29
31 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
32 spi::DATA_RATE_1MHZ> {
33 public:
34 void update() override { this->do_update_(); }
35 void setup() override;
37 void loop() override;
38 void draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorOrder order,
39 display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) override;
40
42 void set_color_mode(display::ColorOrder color_mode) { this->color_mode_ = color_mode; }
43 void set_invert_colors(bool invert_colors) { this->invert_colors_ = invert_colors; }
44
45 void add_data_pin(InternalGPIOPin *data_pin, size_t index) { this->data_pins_[index] = data_pin; };
46 void set_de_pin(InternalGPIOPin *de_pin) { this->de_pin_ = de_pin; }
47 void set_pclk_pin(InternalGPIOPin *pclk_pin) { this->pclk_pin_ = pclk_pin; }
48 void set_vsync_pin(InternalGPIOPin *vsync_pin) { this->vsync_pin_ = vsync_pin; }
49 void set_hsync_pin(InternalGPIOPin *hsync_pin) { this->hsync_pin_ = hsync_pin; }
50 void set_dc_pin(GPIOPin *dc_pin) { this->dc_pin_ = dc_pin; }
51 void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
52 void set_width(uint16_t width) { this->width_ = width; }
53 void set_pclk_frequency(uint32_t pclk_frequency) { this->pclk_frequency_ = pclk_frequency; }
54 void set_pclk_inverted(bool inverted) { this->pclk_inverted_ = inverted; }
55 void set_dimensions(uint16_t width, uint16_t height) {
56 this->width_ = width;
57 this->height_ = height;
58 }
59 int get_width() override { return this->width_; }
60 int get_height() override { return this->height_; }
61 void set_hsync_back_porch(uint16_t hsync_back_porch) { this->hsync_back_porch_ = hsync_back_porch; }
62 void set_hsync_front_porch(uint16_t hsync_front_porch) { this->hsync_front_porch_ = hsync_front_porch; }
63 void set_hsync_pulse_width(uint16_t hsync_pulse_width) { this->hsync_pulse_width_ = hsync_pulse_width; }
64 void set_vsync_pulse_width(uint16_t vsync_pulse_width) { this->vsync_pulse_width_ = vsync_pulse_width; }
65 void set_vsync_back_porch(uint16_t vsync_back_porch) { this->vsync_back_porch_ = vsync_back_porch; }
66 void set_vsync_front_porch(uint16_t vsync_front_porch) { this->vsync_front_porch_ = vsync_front_porch; }
67 void set_init_sequence(const std::vector<uint8_t> &init_sequence) { this->init_sequence_ = init_sequence; }
68 void set_mirror_x(bool mirror_x) { this->mirror_x_ = mirror_x; }
69 void set_mirror_y(bool mirror_y) { this->mirror_y_ = mirror_y; }
70 void set_offsets(int16_t offset_x, int16_t offset_y) {
71 this->offset_x_ = offset_x;
72 this->offset_y_ = offset_y;
73 }
75 int get_width_internal() override { return this->width_; }
76 int get_height_internal() override { return this->height_; }
77 void dump_config() override;
78 void draw_pixel_at(int x, int y, Color color) override;
79
80 // this will be horribly slow.
81 protected:
82 void write_command_(uint8_t value);
83 void write_data_(uint8_t value);
84 void write_sequence_(uint8_t cmd, size_t len, const uint8_t *bytes);
86
92 GPIOPin *dc_pin_{nullptr};
94 uint16_t hsync_pulse_width_ = 10;
95 uint16_t hsync_back_porch_ = 10;
96 uint16_t hsync_front_porch_ = 20;
97 uint16_t vsync_pulse_width_ = 10;
98 uint16_t vsync_back_porch_ = 10;
99 uint16_t vsync_front_porch_ = 10;
100 std::vector<uint8_t> init_sequence_;
101 uint32_t pclk_frequency_ = 16 * 1000 * 1000;
102 bool pclk_inverted_{true};
103
106 size_t width_{};
107 size_t height_{};
108 int16_t offset_x_{0};
109 int16_t offset_y_{0};
110 bool mirror_x_{};
111 bool mirror_y_{};
112
113 esp_lcd_panel_handle_t handle_{};
114};
115
116} // namespace st7701s
117} // namespace esphome
118#endif
uint8_t h
Definition bl0906.h:2
The SPIDevice is what components using the SPI will create.
Definition spi.h:421
void set_pclk_inverted(bool inverted)
Definition st7701s.h:54
void setup() override
Definition st7701s.cpp:8
void set_hsync_pulse_width(uint16_t hsync_pulse_width)
Definition st7701s.h:63
void set_mirror_y(bool mirror_y)
Definition st7701s.h:69
void set_width(uint16_t width)
Definition st7701s.h:52
InternalGPIOPin * data_pins_[16]
Definition st7701s.h:93
int get_width_internal() override
Definition st7701s.h:75
void draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorOrder order, display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) override
Definition st7701s.cpp:57
void set_vsync_pin(InternalGPIOPin *vsync_pin)
Definition st7701s.h:48
void write_sequence_(uint8_t cmd, size_t len, const uint8_t *bytes)
this relies upon the init sequence being well-formed, which is guaranteed by the Python init code.
Definition st7701s.cpp:142
void set_hsync_pin(InternalGPIOPin *hsync_pin)
Definition st7701s.h:49
void set_offsets(int16_t offset_x, int16_t offset_y)
Definition st7701s.h:70
uint16_t vsync_front_porch_
Definition st7701s.h:99
esp_lcd_panel_handle_t handle_
Definition st7701s.h:113
void update() override
Definition st7701s.h:34
void set_dc_pin(GPIOPin *dc_pin)
Definition st7701s.h:50
void set_reset_pin(GPIOPin *reset_pin)
Definition st7701s.h:51
void set_hsync_front_porch(uint16_t hsync_front_porch)
Definition st7701s.h:62
void set_init_sequence(const std::vector< uint8_t > &init_sequence)
Definition st7701s.h:67
void set_pclk_frequency(uint32_t pclk_frequency)
Definition st7701s.h:53
InternalGPIOPin * vsync_pin_
Definition st7701s.h:90
void draw_pixel_at(int x, int y, Color color) override
Definition st7701s.cpp:88
void set_de_pin(InternalGPIOPin *de_pin)
Definition st7701s.h:46
InternalGPIOPin * de_pin_
Definition st7701s.h:87
uint16_t vsync_pulse_width_
Definition st7701s.h:97
void set_vsync_front_porch(uint16_t vsync_front_porch)
Definition st7701s.h:66
void add_data_pin(InternalGPIOPin *data_pin, size_t index)
Definition st7701s.h:45
int get_height_internal() override
Definition st7701s.h:76
void set_mirror_x(bool mirror_x)
Definition st7701s.h:68
void set_dimensions(uint16_t width, uint16_t height)
Definition st7701s.h:55
void set_vsync_back_porch(uint16_t vsync_back_porch)
Definition st7701s.h:65
void write_data_(uint8_t value)
Definition st7701s.cpp:127
display::DisplayType get_display_type() override
Definition st7701s.h:74
int get_height() override
Definition st7701s.h:60
display::ColorOrder color_mode_
Definition st7701s.h:105
uint16_t hsync_pulse_width_
Definition st7701s.h:94
std::vector< uint8_t > init_sequence_
Definition st7701s.h:100
void set_pclk_pin(InternalGPIOPin *pclk_pin)
Definition st7701s.h:47
int get_width() override
Definition st7701s.h:59
void set_hsync_back_porch(uint16_t hsync_back_porch)
Definition st7701s.h:61
void dump_config() override
Definition st7701s.cpp:182
void write_command_(uint8_t value)
Definition st7701s.cpp:115
display::ColorOrder get_color_mode()
Definition st7701s.h:41
InternalGPIOPin * hsync_pin_
Definition st7701s.h:89
void set_vsync_pulse_width(uint16_t vsync_pulse_width)
Definition st7701s.h:64
void set_color_mode(display::ColorOrder color_mode)
Definition st7701s.h:42
void set_invert_colors(bool invert_colors)
Definition st7701s.h:43
InternalGPIOPin * pclk_pin_
Definition st7701s.h:88
uint16_t hsync_front_porch_
Definition st7701s.h:96
void loop() override
Definition st7701s.cpp:50
const char *const TAG
Definition spi.cpp:8
const uint8_t SLEEP_OUT
Definition st7701s.h:20
const uint8_t SDIR_CMD
Definition st7701s.h:21
const uint8_t ST7701S_DELAY_FLAG
Definition st7701s.h:28
const uint8_t INVERT_ON
Definition st7701s.h:24
const uint8_t MADCTL_CMD
Definition st7701s.h:22
const uint8_t SW_RESET_CMD
Definition st7701s.h:19
const uint8_t CMD2_BK0[5]
Definition st7701s.h:27
const uint8_t DISPLAY_ON
Definition st7701s.h:25
const uint8_t CMD2_BKSEL
Definition st7701s.h:26
const uint8_t INVERT_OFF
Definition st7701s.h:23
Providing packet encoding functions for exchanging data with a remote host.
Definition a01nyub.cpp:7
std::string size_t len
Definition helpers.h:301
uint16_t x
Definition tt21100.cpp:5
uint16_t y
Definition tt21100.cpp:6