forked from xiaozhi/xiaozhi-esp32
213 lines
6.6 KiB
C++
213 lines
6.6 KiB
C++
#include "st7789_display.h"
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#include "font_awesome_symbols.h"
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#include <esp_log.h>
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#include <esp_err.h>
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#include <esp_lvgl_port.h>
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#include <driver/ledc.h>
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#include <vector>
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#define TAG "St7789Display"
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#define LCD_LEDC_CH LEDC_CHANNEL_0
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LV_FONT_DECLARE(font_puhui_14_1);
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LV_FONT_DECLARE(font_awesome_30_1);
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LV_FONT_DECLARE(font_awesome_14_1);
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St7789Display::St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
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gpio_num_t backlight_pin, bool backlight_output_invert,
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int width, int height, bool mirror_x, bool mirror_y, bool swap_xy)
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: panel_io_(panel_io), panel_(panel), backlight_pin_(backlight_pin), backlight_output_invert_(backlight_output_invert),
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mirror_x_(mirror_x), mirror_y_(mirror_y), swap_xy_(swap_xy) {
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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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InitializeBacklight(backlight_pin);
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// draw white
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std::vector<uint16_t> buffer(width_, 0xFFFF);
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for (int y = 0; y < height_; y++) {
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esp_lcd_panel_draw_bitmap(panel_, 0, y, width_, y + 1, buffer.data());
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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_ * 20),
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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 = false,
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.rotation = {
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.swap_xy = swap_xy_,
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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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SetBacklight(100);
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SetupUI();
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}
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St7789Display::~St7789Display() {
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if (content_ != nullptr) {
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lv_obj_del(content_);
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}
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if (status_bar_ != nullptr) {
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lv_obj_del(status_bar_);
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}
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if (side_bar_ != nullptr) {
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lv_obj_del(side_bar_);
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}
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if (container_ != nullptr) {
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lv_obj_del(container_);
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}
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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 St7789Display::InitializeBacklight(gpio_num_t backlight_pin) {
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if (backlight_pin == GPIO_NUM_NC) {
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return;
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}
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// Setup LEDC peripheral for PWM backlight control
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const ledc_channel_config_t backlight_channel = {
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.gpio_num = backlight_pin,
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.channel = LCD_LEDC_CH,
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.intr_type = LEDC_INTR_DISABLE,
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.timer_sel = LEDC_TIMER_0,
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.duty = 0,
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.hpoint = 0,
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.flags = {
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.output_invert = backlight_output_invert_,
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}
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};
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const ledc_timer_config_t backlight_timer = {
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.duty_resolution = LEDC_TIMER_10_BIT,
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.timer_num = LEDC_TIMER_0,
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.freq_hz = 5000,
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.clk_cfg = LEDC_AUTO_CLK,
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.deconfigure = false
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};
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ESP_ERROR_CHECK(ledc_timer_config(&backlight_timer));
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ESP_ERROR_CHECK(ledc_channel_config(&backlight_channel));
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}
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void St7789Display::SetBacklight(uint8_t brightness) {
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if (backlight_pin_ == GPIO_NUM_NC) {
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return;
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}
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if (brightness > 100) {
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brightness = 100;
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}
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ESP_LOGI(TAG, "Setting LCD backlight: %d%%", brightness);
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// LEDC resolution set to 10bits, thus: 100% = 1023
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uint32_t duty_cycle = (1023 * brightness) / 100;
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH, duty_cycle));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH));
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}
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void St7789Display::Lock() {
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lvgl_port_lock(0);
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}
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void St7789Display::Unlock() {
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lvgl_port_unlock();
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}
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void St7789Display::SetupUI() {
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DisplayLockGuard lock(this);
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auto screen = lv_disp_get_scr_act(disp_);
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lv_obj_set_style_text_font(screen, &font_puhui_14_1, 0);
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lv_obj_set_style_text_color(screen, lv_color_black(), 0);
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/* Container */
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container_ = lv_obj_create(screen);
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lv_obj_set_size(container_, LV_HOR_RES, LV_VER_RES);
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lv_obj_set_flex_flow(container_, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_all(container_, 0, 0);
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lv_obj_set_style_border_width(container_, 0, 0);
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lv_obj_set_style_pad_row(container_, 0, 0);
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/* Status bar */
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status_bar_ = lv_obj_create(container_);
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lv_obj_set_size(status_bar_, LV_HOR_RES, 18);
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lv_obj_set_style_radius(status_bar_, 0, 0);
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/* Content */
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content_ = lv_obj_create(container_);
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lv_obj_set_scrollbar_mode(content_, LV_SCROLLBAR_MODE_OFF);
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lv_obj_set_style_radius(content_, 0, 0);
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lv_obj_set_width(content_, LV_HOR_RES);
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lv_obj_set_flex_grow(content_, 1);
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emotion_label_ = lv_label_create(content_);
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lv_obj_set_style_text_font(emotion_label_, &font_awesome_30_1, 0);
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lv_label_set_text(emotion_label_, FONT_AWESOME_AI_CHIP);
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lv_obj_center(emotion_label_);
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/* Status bar */
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lv_obj_set_flex_flow(status_bar_, LV_FLEX_FLOW_ROW);
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lv_obj_set_style_pad_all(status_bar_, 0, 0);
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lv_obj_set_style_border_width(status_bar_, 0, 0);
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lv_obj_set_style_pad_column(status_bar_, 0, 0);
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network_label_ = lv_label_create(status_bar_);
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lv_label_set_text(network_label_, "");
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lv_obj_set_style_text_font(network_label_, &font_awesome_14_1, 0);
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notification_label_ = lv_label_create(status_bar_);
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lv_obj_set_flex_grow(notification_label_, 1);
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lv_obj_set_style_text_align(notification_label_, LV_TEXT_ALIGN_CENTER, 0);
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lv_label_set_text(notification_label_, "通知");
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lv_obj_add_flag(notification_label_, LV_OBJ_FLAG_HIDDEN);
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status_label_ = lv_label_create(status_bar_);
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lv_obj_set_flex_grow(status_label_, 1);
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lv_label_set_long_mode(status_label_, LV_LABEL_LONG_SCROLL_CIRCULAR);
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lv_label_set_text(status_label_, "正在初始化");
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lv_obj_set_style_text_align(status_label_, LV_TEXT_ALIGN_CENTER, 0);
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mute_label_ = lv_label_create(status_bar_);
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lv_label_set_text(mute_label_, "");
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lv_obj_set_style_text_font(mute_label_, &font_awesome_14_1, 0);
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battery_label_ = lv_label_create(status_bar_);
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lv_label_set_text(battery_label_, "");
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lv_obj_set_style_text_font(battery_label_, &font_awesome_14_1, 0);
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}
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