forked from xiaozhi/xiaozhi-esp32
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
#include "ssd1306_display.h"
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#include <esp_log.h>
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#include <esp_err.h>
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#include <esp_lcd_panel_ops.h>
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#include <esp_lcd_panel_vendor.h>
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#include <esp_lvgl_port.h>
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#define TAG "Ssd1306Display"
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Ssd1306Display::Ssd1306Display(void* i2c_master_handle, int width, int height, bool mirror_x, bool mirror_y)
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: mirror_x_(mirror_x), mirror_y_(mirror_y) {
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width_ = width;
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height_ = height;
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ESP_LOGI(TAG, "Initialize LVGL");
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lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
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lvgl_port_init(&port_cfg);
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// SSD1306 config
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esp_lcd_panel_io_i2c_config_t io_config = {
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.dev_addr = 0x3C,
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.on_color_trans_done = nullptr,
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.user_ctx = nullptr,
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.control_phase_bytes = 1,
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.dc_bit_offset = 6,
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.lcd_cmd_bits = 8,
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.lcd_param_bits = 8,
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.flags = {
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.dc_low_on_data = 0,
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.disable_control_phase = 0,
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},
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.scl_speed_hz = 400 * 1000,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c_v2((i2c_master_bus_t*)i2c_master_handle, &io_config, &panel_io_));
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ESP_LOGI(TAG, "Install SSD1306 driver");
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esp_lcd_panel_dev_config_t panel_config = {};
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panel_config.reset_gpio_num = -1;
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panel_config.bits_per_pixel = 1;
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esp_lcd_panel_ssd1306_config_t ssd1306_config = {
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.height = static_cast<uint8_t>(height_),
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};
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panel_config.vendor_config = &ssd1306_config;
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ESP_ERROR_CHECK(esp_lcd_new_panel_ssd1306(panel_io_, &panel_config, &panel_));
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ESP_LOGI(TAG, "SSD1306 driver installed");
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// Reset the display
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ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_));
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if (esp_lcd_panel_init(panel_) != ESP_OK) {
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ESP_LOGE(TAG, "Failed to initialize display");
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return;
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}
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// Set the display to on
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ESP_LOGI(TAG, "Turning display on");
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ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_, true));
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ESP_LOGI(TAG, "Adding LCD screen");
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const lvgl_port_display_cfg_t display_cfg = {
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.io_handle = panel_io_,
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.panel_handle = panel_,
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.control_handle = nullptr,
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.buffer_size = static_cast<uint32_t>(width_ * height_),
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.double_buffer = false,
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.trans_size = 0,
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.hres = static_cast<uint32_t>(width_),
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.vres = static_cast<uint32_t>(height_),
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.monochrome = true,
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.rotation = {
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.swap_xy = false,
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.mirror_x = mirror_x_,
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.mirror_y = mirror_y_,
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},
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.flags = {
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.buff_dma = 1,
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.buff_spiram = 0,
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.sw_rotate = 0,
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.full_refresh = 0,
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.direct_mode = 0,
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},
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};
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disp_ = lvgl_port_add_disp(&display_cfg);
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}
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Ssd1306Display::~Ssd1306Display() {
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if (panel_ != nullptr) {
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esp_lcd_panel_del(panel_);
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}
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if (panel_io_ != nullptr) {
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esp_lcd_panel_io_del(panel_io_);
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}
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lvgl_port_deinit();
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}
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void Ssd1306Display::Lock() {
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lvgl_port_lock(0);
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}
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void Ssd1306Display::Unlock() {
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lvgl_port_unlock();
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}
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