381 lines
16 KiB
C
Executable File
381 lines
16 KiB
C
Executable File
/*
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* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: CC0-1.0
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/lock.h>
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#include <sys/param.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_timer.h"
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#include "esp_lcd_panel_io.h"
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#include "esp_lcd_panel_vendor.h"
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#include "esp_lcd_panel_ops.h"
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "lvgl.h"
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#include "myi2c.h"
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#include "ui/ui.h"
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#if CONFIG_EXAMPLE_LCD_CONTROLLER_ILI9341
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#include "esp_lcd_ili9341.h"
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_GC9A01
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#include "esp_lcd_gc9a01.h"
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_ST77916
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#include "esp_lcd_st77916.h"
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#endif
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#if CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_STMPE610
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#include "esp_lcd_touch_stmpe610.h"
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_CST816S
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#include "esp_lcd_touch_cst816s.h"
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#endif
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static const char *TAG = "example";
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// Using SPI2 in the example
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#define LCD_HOST SPI2_HOST
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////// Please update the following configuration according to your LCD spec //////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (60 * 1000 * 1000)
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#define EXAMPLE_LCD_BK_LIGHT_ON_LEVEL 0 // BL背光引脚 GPIO7低电平亮
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#define EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL !EXAMPLE_LCD_BK_LIGHT_ON_LEVEL
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#define EXAMPLE_PIN_NUM_SCLK 3
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#define EXAMPLE_PIN_NUM_MOSI 5
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#define EXAMPLE_PIN_NUM_MISO -1
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#define EXAMPLE_PIN_NUM_LCD_DC 6
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#define EXAMPLE_PIN_NUM_LCD_RST -1
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#define EXAMPLE_PIN_NUM_LCD_CS 4
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#define EXAMPLE_PIN_NUM_BK_LIGHT 7 // 原理图为 MTDO引脚为 GPIO7
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#define EXAMPLE_PIN_NUM_TOUCH_CS -1
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// The pixel number in horizontal and vertical
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#if CONFIG_EXAMPLE_LCD_CONTROLLER_ILI9341
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#define EXAMPLE_LCD_H_RES 240
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#define EXAMPLE_LCD_V_RES 320
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_GC9A01
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#define EXAMPLE_LCD_H_RES 240
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#define EXAMPLE_LCD_V_RES 240
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_ST77916
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#define EXAMPLE_LCD_H_RES 360
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#define EXAMPLE_LCD_V_RES 360
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#endif
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// Bit number used to represent command and parameter
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#define EXAMPLE_LCD_CMD_BITS 8
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#define EXAMPLE_LCD_PARAM_BITS 8
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#define EXAMPLE_LVGL_DRAW_BUF_LINES 30 // 每个绘图缓冲区中的显示行数
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#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
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#define EXAMPLE_LVGL_TASK_MAX_DELAY_MS 500
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#define EXAMPLE_LVGL_TASK_MIN_DELAY_MS 1000 / CONFIG_FREERTOS_HZ
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#define EXAMPLE_LVGL_TASK_STACK_SIZE (8 * 1024) // 增加堆栈大小以支持360x360分辨率
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#define EXAMPLE_LVGL_TASK_PRIORITY 4 // 提高优先级以确保及时处理刷新
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// LVGL library is not thread-safe, this example will call LVGL APIs from different tasks, so use a mutex to protect it
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// static _lock_t lvgl_api_lock;
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// extern void example_lvgl_demo_ui(lv_disp_t *disp);
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static bool example_notify_lvgl_flush_ready(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_io_event_data_t *edata, void *user_ctx)
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{
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lv_disp_drv_t *disp_drv = (lv_disp_drv_t *)user_ctx;
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lv_disp_flush_ready(disp_drv);// 通知LVGL刷新已完成
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return false;
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}
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/* 在LVGL中旋转屏幕时，进行显示和触控的旋转。在驱动程序参数更新时调用 */
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static void example_lvgl_port_update_callback(lv_disp_drv_t *disp_drv)
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{
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esp_lcd_panel_handle_t panel_handle = disp_drv->user_data;// 获取LCD面板句柄
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lv_disp_rot_t rotation = lv_disp_get_rotation(NULL);// 获取显示旋转角度
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switch (rotation) {
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case LV_DISP_ROT_NONE:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, false);// 交换X轴和Y轴
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esp_lcd_panel_mirror(panel_handle, false, false);// 水平镜像
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break;
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case LV_DISP_ROT_90:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, true);// 交换X轴和Y轴
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esp_lcd_panel_mirror(panel_handle, true, true);// 垂直镜像
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break;
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case LV_DISP_ROT_180:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, false);// 交换X轴和Y轴
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esp_lcd_panel_mirror(panel_handle, false, true);// 垂直镜像
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break;
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case LV_DISP_ROT_270:
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// Rotate LCD display
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esp_lcd_panel_swap_xy(panel_handle, true);// 交换X轴和Y轴
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esp_lcd_panel_mirror(panel_handle, false, false);// 水平镜像
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break;
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}
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}
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// LVGL flush callback function
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static void example_lvgl_flush_cb(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
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{
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example_lvgl_port_update_callback(disp_drv);
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esp_lcd_panel_handle_t panel_handle = disp_drv->user_data;
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int offsetx1 = area->x1;
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int offsetx2 = area->x2;
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int offsety1 = area->y1;
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int offsety2 = area->y2;
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// because SPI LCD is big-endian, we need to swap the RGB bytes order
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// lv_draw_sw_rgb565_swap((uint8_t *)color_p, (offsetx2 + 1 - offsetx1) * (offsety2 + 1 - offsety1));
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// copy a buffer's content to a specific area of the display
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esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, (uint8_t *)color_p);
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}
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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static void example_lvgl_touch_cb(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
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{
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uint16_t touchpad_x[1] = {0};
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uint16_t touchpad_y[1] = {0};
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uint8_t touchpad_cnt = 0;
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esp_lcd_touch_handle_t touch_pad = indev_drv->user_data;
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esp_lcd_touch_read_data(touch_pad);
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/* Get coordinates */
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bool touchpad_pressed = esp_lcd_touch_get_coordinates(touch_pad, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1);
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if (touchpad_pressed && touchpad_cnt > 0) {
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data->point.x = touchpad_x[0];
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data->point.y = touchpad_y[0];
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data->state = LV_INDEV_STATE_PRESSED;
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ESP_LOGI(TAG, "Touch detected: x=%d, y=%d", touchpad_x[0], touchpad_y[0]);// 触摸坐标打印
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} else {
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data->state = LV_INDEV_STATE_RELEASED;
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}
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}
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#endif
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static void example_increase_lvgl_tick(void *arg)
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{
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/* Tell LVGL how many milliseconds has elapsed */
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lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
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}
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static void example_lvgl_port_task(void *arg)
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{
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ESP_LOGI(TAG, "Starting LVGL task");
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uint32_t time_till_next_ms = 0;
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while (1) {
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// _lock_acquire(&lvgl_api_lock);
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time_till_next_ms = lv_timer_handler();// 处理LVGL定时器事件
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// _lock_release(&lvgl_api_lock);
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// in case of triggering a task watch dog time out
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time_till_next_ms = MAX(time_till_next_ms, EXAMPLE_LVGL_TASK_MIN_DELAY_MS);
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// in case of lvgl display not ready yet
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time_till_next_ms = MIN(time_till_next_ms, EXAMPLE_LVGL_TASK_MAX_DELAY_MS);
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usleep(1000 * time_till_next_ms);
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}
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}
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void app_main(void)
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{
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// 初始化背光引脚
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ESP_LOGI(TAG, "关闭LCD背光");// 关闭LCD背光
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gpio_config_t bk_gpio_config = {
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.mode = GPIO_MODE_OUTPUT,
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.pin_bit_mask = 1ULL << EXAMPLE_PIN_NUM_BK_LIGHT
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};
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ESP_ERROR_CHECK(gpio_config(&bk_gpio_config)); // 配置背光引脚为输出模式
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gpio_set_level(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL); // 确保背光关闭
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// 初始化SPI总线
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ESP_LOGI(TAG, "初始化SPI总线");// 初始化SPI总线
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spi_bus_config_t buscfg = {
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.sclk_io_num = EXAMPLE_PIN_NUM_SCLK,
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.mosi_io_num = EXAMPLE_PIN_NUM_MOSI,
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.miso_io_num = EXAMPLE_PIN_NUM_MISO,
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.quadwp_io_num = -1,
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.quadhd_io_num = -1,
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.max_transfer_sz = EXAMPLE_LCD_H_RES * 80 * sizeof(uint16_t),
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};
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ESP_ERROR_CHECK(spi_bus_initialize(LCD_HOST, &buscfg, SPI_DMA_CH_AUTO));
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// =============================================初始化LCD屏幕及控制==========================================================
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ESP_LOGI(TAG, "安装LCD面板IO");// 安装LCD面板IO
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esp_lcd_panel_io_handle_t io_handle = NULL;
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esp_lcd_panel_io_spi_config_t io_config = {
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.dc_gpio_num = EXAMPLE_PIN_NUM_LCD_DC,
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.cs_gpio_num = EXAMPLE_PIN_NUM_LCD_CS,
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.pclk_hz = EXAMPLE_LCD_PIXEL_CLOCK_HZ,
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.lcd_cmd_bits = EXAMPLE_LCD_CMD_BITS,
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.lcd_param_bits = EXAMPLE_LCD_PARAM_BITS,
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.spi_mode = 0,
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.trans_queue_depth = 10,
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};
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// 将LCD连接到SPI总线
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)LCD_HOST, &io_config, &io_handle));
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esp_lcd_panel_handle_t panel_handle = NULL;
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esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
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.bits_per_pixel = 16,
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};
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#if CONFIG_EXAMPLE_LCD_CONTROLLER_ILI9341
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ESP_LOGI(TAG, "Install ILI9341 panel driver");
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ESP_ERROR_CHECK(esp_lcd_new_panel_ili9341(io_handle, &panel_config, &panel_handle));
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_GC9A01
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ESP_LOGI(TAG, "Install GC9A01 panel driver");
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ESP_ERROR_CHECK(esp_lcd_new_panel_gc9a01(io_handle, &panel_config, &panel_handle));
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#elif CONFIG_EXAMPLE_LCD_CONTROLLER_ST77916
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ESP_LOGI(TAG, "安装ST77916屏幕驱动");// 安装ST77916面板驱动
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ESP_ERROR_CHECK(esp_lcd_new_panel_st77916(io_handle, &panel_config, &panel_handle));// 安装ST77916面板驱动
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#endif
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ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));// 重置LCD面板
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ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));// 初始化LCD面板
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#if CONFIG_EXAMPLE_LCD_CONTROLLER_GC9A01
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ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel_handle, true));
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#endif
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// LCD是否需要镜像显示函数，根据实际情况设置
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ESP_ERROR_CHECK(esp_lcd_panel_mirror(panel_handle, false, false));
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ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, false));// 保持关闭LCD显示屏
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ESP_LOGI(TAG, "初始化LVGL库");// 初始化LVGL库
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lv_init();
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// 创建LVGL显示驱动
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static lv_disp_draw_buf_t draw_buf;
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static lv_disp_drv_t disp_drv;
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// 为LVGL分配使用的绘图缓冲区
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// 建议将绘制缓冲区的大小至少设置为屏幕大小的十分之一
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size_t draw_buffer_sz = EXAMPLE_LCD_H_RES * EXAMPLE_LVGL_DRAW_BUF_LINES * sizeof(lv_color_t);
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void *buf1 = spi_bus_dma_memory_alloc(LCD_HOST, draw_buffer_sz, 0);// 分配DMA内存用于LVGL绘制缓冲区1
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// assert(buf1);
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void *buf2 = spi_bus_dma_memory_alloc(LCD_HOST, draw_buffer_sz, 0);// 分配DMA内存用于LVGL绘制缓冲区2
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// assert(buf2);
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// 初始化LVGL绘制缓冲区
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lv_disp_draw_buf_init(&draw_buf, buf1, buf2, EXAMPLE_LCD_H_RES * EXAMPLE_LVGL_DRAW_BUF_LINES);
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// 初始化显示驱动
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = EXAMPLE_LCD_H_RES;
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disp_drv.ver_res = EXAMPLE_LCD_V_RES;
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disp_drv.flush_cb = example_lvgl_flush_cb;
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disp_drv.draw_buf = &draw_buf;
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disp_drv.user_data = panel_handle;
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disp_drv.full_refresh = 0; // 启用局部刷新，只刷新变化的区域
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ESP_LOGI(TAG, "安装LVGL滴答定时器");// 安装LVGL滴答定时器
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// LVGL的定时接口（使用esp_timer生成2毫秒的周期性事件）
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const esp_timer_create_args_t lvgl_tick_timer_args = {
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.callback = &example_increase_lvgl_tick,
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.name = "lvgl_tick"
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};
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esp_timer_handle_t lvgl_tick_timer = NULL;// LVGL滴答定时器句柄
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ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));// 创建LVGL滴答定时器
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ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer, EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));// 启动LVGL滴答定时器
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ESP_LOGI(TAG, "注册IO面板事件回调函数，用于LVGL刷新就绪通知");// 注册IO面板事件回调函数，用于LVGL刷新就绪通知
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const esp_lcd_panel_io_callbacks_t cbs = {
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.on_color_trans_done = example_notify_lvgl_flush_ready,// 颜色传输完成回调函数，用于通知LVGL刷新就绪
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};
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/* 注册完成回调 */
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ESP_ERROR_CHECK(esp_lcd_panel_io_register_event_callbacks(io_handle, &cbs, &disp_drv));// 注册IO面板事件回调函数，用于LVGL刷新就绪通知
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// 注册显示驱动
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lv_disp_t *display = lv_disp_drv_register(&disp_drv);
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// ===========================================================================================================================
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ESP_LOGI(TAG, "Create LVGL task");// 创建LVGL任务
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xTaskCreate(example_lvgl_port_task, "LVGL", EXAMPLE_LVGL_TASK_STACK_SIZE, NULL, EXAMPLE_LVGL_TASK_PRIORITY, NULL);
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ESP_LOGI(TAG, "等待LVGL任务启动");// 等待LVGL任务启动
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vTaskDelay(pdMS_TO_TICKS(50));// 延迟50ms确保LVGL任务完全启动
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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// 初始化I2C总线（仅在启用触摸时初始化）
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ESP_ERROR_CHECK(i2c_master_init());
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ESP_LOGI(TAG, "初始化I2C总线");// 初始化I2C总线
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esp_lcd_panel_io_handle_t tp_io_handle = NULL;
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// esp_lcd_panel_io_spi_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
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// 为旧版本ESP-IDF创建适合的I2C配置结构体
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esp_lcd_panel_io_i2c_config_t tp_io_config = {
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.dev_addr = ESP_LCD_TOUCH_IO_I2C_CST816S_ADDRESS,
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.on_color_trans_done = 0,
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.user_ctx = 0,
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.control_phase_bytes = 1,
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.dc_bit_offset = 0,
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.lcd_cmd_bits = 8,
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.lcd_param_bits = 0,
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.flags = {
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.dc_low_on_data = 0,
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.disable_control_phase = 1,
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}
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};
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// 初始化I2C面板IO
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(I2C_MASTER_NUM, &tp_io_config, &tp_io_handle));
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// // Attach the TOUCH to the SPI bus
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// ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)LCD_HOST, &tp_io_config, &tp_io_handle));
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esp_lcd_touch_config_t tp_cfg = {
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.x_max = EXAMPLE_LCD_H_RES,
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.y_max = EXAMPLE_LCD_V_RES,
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.rst_gpio_num = -1,
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.int_gpio_num = -1,
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.flags = {
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.swap_xy = 1, // 尝试交换X和Y坐标
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.mirror_x = 1, // 尝试镜像X坐标
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.mirror_y = 1, // 尝试镜像Y坐标
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},
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};
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esp_lcd_touch_handle_t tp = NULL;
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#if CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_STMPE610
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ESP_LOGI(TAG, "Initialize touch controller STMPE610");
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ESP_ERROR_CHECK(esp_lcd_touch_new_spi_stmpe610(tp_io_handle, &tp_cfg, &tp));
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_CST816S
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ESP_LOGI(TAG, "Initialize touch controller CST816S");// 初始化触摸控制器CST816S
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_cst816s(tp_io_handle, &tp_cfg, &tp));
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#endif // CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_CST816S
|
||
|
||
static lv_indev_drv_t indev_drv;
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||
lv_indev_drv_init(&indev_drv);
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||
indev_drv.type = LV_INDEV_TYPE_POINTER;
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||
indev_drv.disp = display;
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||
indev_drv.user_data = tp;
|
||
indev_drv.read_cb = example_lvgl_touch_cb;
|
||
lv_indev_drv_register(&indev_drv);
|
||
#endif
|
||
|
||
ESP_LOGI(TAG, "Initialize SquareLine Studio UI");// 初始化SquareLine Studio UI
|
||
// Lock the mutex due to the LVGL APIs are not thread-safe
|
||
// _lock_acquire(&lvgl_api_lock);// 锁定LVGL API互斥锁，确保线程安全
|
||
ui_init();// 初始化SquareLine Studio UI
|
||
// _lock_release(&lvgl_api_lock);// 解锁LVGL API互斥锁
|
||
|
||
ESP_LOGI(TAG, "等待LVGL完成初始渲染");// 等待LVGL完成初始渲染
|
||
// 强制触发LVGL渲染，确保UI完全渲染完成
|
||
for (int i = 0; i < 3; i++) {
|
||
lv_timer_handler();// 立即处理LVGL定时器事件
|
||
vTaskDelay(pdMS_TO_TICKS(50));// 等待50ms确保渲染完成
|
||
}
|
||
|
||
ESP_LOGI(TAG, "打开LCD和背光");// 打开LCD和背光
|
||
esp_lcd_panel_disp_on_off(panel_handle, true); // 打开LCD
|
||
gpio_set_level(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_ON_LEVEL);// 设置背光引脚电平，点亮背光
|
||
}
|