成功移植lvgl

code/esp32c3_espidf/dependencies.lock

@@ -0,0 +1,8 @@
+dependencies:
+  idf:
+    source:
+      type: idf
+    version: 5.3.1
+manifest_hash: a52a8cabe7f10f1636effa39e0be0f2d62531803ed5f518e7921b728e64c8752
+target: esp32c3
+version: 2.0.0

code/esp32c3_espidf/main/CMakeLists.txt

@@ -2,5 +2,10 @@
 file(GLOB_RECURSE SRC_LIST "*.c")
 
 idf_component_register(SRCS ${SRC_LIST}
-                       PRIV_REQUIRES spi_flash esp_driver_spi esp_driver_gpio
+    PRIV_REQUIRES spi_flash esp_driver_spi esp_driver_gpio esp_timer
-                       INCLUDE_DIRS "")
+    INCLUDE_DIRS "."
+    REQUIRES 
+        lvgl
+    PRIV_REQUIRES
+    )
+

code/esp32c3_espidf/main/hello_world_main.c

@@ -4,6 +4,12 @@
  * SPDX-License-Identifier: CC0-1.0
  */
 
+#define LV_CONF_INCLUDE_SIMPLE 1
+#include "lv_conf.h"
+
+/* 然后包含 lvgl.h */
+#include "lvgl.h"
+
 #include <stdio.h>
 #include <inttypes.h>
 #include "sdkconfig.h"
@@ -20,27 +26,76 @@
 
 #include "lcd.h"
 
-TimerHandle_t periodic_timer = NULL;
+#include "esp_timer.h"
+
+#include "lv_port_disp.h"
+
+#include "lv_apps/helloworld/lv_helloworld.h"
+
+static const char *TAG = "SYS";
+
+// TimerHandle_t periodic_timer = NULL;
 
 // 定时器回调函数（在定时器服务任务中执行）
-void periodic_timer_callback(TimerHandle_t xTimer)
+// void periodic_timer_callback(TimerHandle_t xTimer)
-{
+// {
-    //printf("每秒执行一次的函数\n");
+//     // printf("每秒执行一次的函数\n");
-    // 在这里执行你的周期性任务
+//     //  在这里执行你的周期性任务
-    // 注意：此回调函数应尽快返回，避免阻塞定时器服务任务
+//     //  注意：此回调函数应尽快返回，避免阻塞定时器服务任务
 
-    lcd_one_second_task();
+//     lcd_one_second_task();
+// }
+
+// 自定义 tick 获取函数
+static uint32_t custom_tick_get(void)
+{
+    // 返回从启动到现在的毫秒数
+    return (uint32_t)(esp_timer_get_time() / 1000);
 }
 
+/**
+ * Basic example to create a "Hello world" label
+ */
+
+
+// static void btn_event_cb(lv_event_t * e)
+// {
+//     lv_event_code_t code = lv_event_get_code(e);
+//     lv_obj_t * btn = lv_event_get_target(e);
+//     if(code == LV_EVENT_CLICKED) {
+//         static uint8_t cnt = 0;
+//         cnt++;
+
+//         /*Get the first child of the button which is the label and change its text*/
+//         lv_obj_t * label = lv_obj_get_child(btn, 0);
+//         lv_label_set_text_fmt(label, "Button: %d", cnt);
+//     }
+// }
+
+// /**
+//  * Create a button with a label and react on click event.
+//  */
+// void lv_example_get_started_2(void)
+// {
+//     lv_obj_t * btn = lv_button_create(lv_screen_active());     /*Add a button the current screen*/
+//     lv_obj_set_pos(btn, 10, 10);                            /*Set its position*/
+//     lv_obj_set_size(btn, 120, 50);                          /*Set its size*/
+//     lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL);           /*Assign a callback to the button*/
+
+//     lv_obj_t * label = lv_label_create(btn);          /*Add a label to the button*/
+//     lv_label_set_text(label, "Button");                     /*Set the labels text*/
+//     lv_obj_center(label);
+// }
+
 void app_main(void)
 {
-    printf("Hello world!\n");
+    ESP_LOGI(TAG,"Hello world!");
 
     /* Print chip information */
     esp_chip_info_t chip_info;
     uint32_t flash_size;
     esp_chip_info(&chip_info);
-    printf("This is %s chip with %d CPU core(s), %s%s%s%s, ",
+    ESP_LOGI(TAG,"This is %s chip with %d CPU core(s), %s%s%s%s, ",
            CONFIG_IDF_TARGET,
            chip_info.cores,
            (chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
@@ -50,48 +105,41 @@ void app_main(void)
 
     unsigned major_rev = chip_info.revision / 100;
     unsigned minor_rev = chip_info.revision % 100;
-    printf("silicon revision v%d.%d, ", major_rev, minor_rev);
+    ESP_LOGI(TAG,"silicon revision v%d.%d, ", major_rev, minor_rev);
     if (esp_flash_get_size(NULL, &flash_size) != ESP_OK)
     {
-        printf("Get flash size failed");
+        ESP_LOGI(TAG,"Get flash size failed");
         return;
     }
 
-    printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
+    ESP_LOGI(TAG,"%" PRIu32 "MB %s flash", flash_size / (uint32_t)(1024 * 1024),
            (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
 
-    printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
+    ESP_LOGI(TAG,"Minimum free heap size: %" PRIu32 " bytes", esp_get_minimum_free_heap_size());
 
-    printf("sizeof(int) ==%d\n", sizeof(int));
+    ESP_LOGI(TAG,"sizeof(int) ==%d", sizeof(int));
+    ESP_LOGI(TAG,"LVGL version: %s", lv_version_info());
+    ESP_LOGI(TAG,"LVGL memory size: %u bytes", LV_MEM_SIZE);
+    ESP_LOGI(TAG,"LVGL color depth: %d bits", LV_COLOR_DEPTH);
 
     spi_init();
     lcd_init();
 
-    // 配置一个每隔一秒运行一次的函数 用于计算fps等
+    lv_init();
-    //  创建周期性软件定时器
+    lv_tick_set_cb(custom_tick_get);
-    //  参数: 定时器名称, 周期(单位: Tick), 自动重载, 回调参数, 回调函数
+    lv_port_disp_init();
-    periodic_timer = xTimerCreate(
-        "PeriodicTimer",        // 定时器名称
-        pdMS_TO_TICKS(1000),    // 周期：1000毫秒 (转换为Tick)
-        pdTRUE,                 // 自动重载 (pdTRUE为周期性，pdFALSE为单次)
-        (void *)0,              // 传递给回调函数的参数
-        periodic_timer_callback // 回调函数
-    );
 
-    if (periodic_timer != NULL)
+    lv_example_get_started_1();
-    {
-        // 启动定时器 (0 ticks后启动)
-        xTimerStart(periodic_timer, 0);
-    }
-    else
-    {
-        printf("创建定时器失败！\n");
-    }
     
     while (1)
     {
-        lcd_clear_buf(rand());
+
-        lcd_send_full_buf();
+        // lcd_clear_buf(rand());
+        // lcd_send_full_buf();
+        // t = custom_tick_get();
+        // ESP_LOGI(TAG, "NOW is%lu", t);
+
+        lv_task_handler();
         vTaskDelay(1); // 必须让出CPU
     }
 }

code/esp32c3_espidf/main/lcd.c

@@ -3,7 +3,7 @@
 static const char *TAG = "LCD";
 // uint16_t dis_buff[LCD_WW][LCD_HH];
 
-lcd_t lcd_main;
+// lcd_t lcd_main;
 
 // SPI 写数据
 esp_err_t lcd_spi_send_data_8(uint8_t data)
@@ -33,7 +33,7 @@ esp_err_t lcd_spi_send_data_16(uint16_t data)
   return err;
 }
 
-esp_err_t lcd_spi_send_data_any(uint8_t *data, uint16_t len)
+esp_err_t lcd_spi_send_data_any(uint8_t *data, uint32_t len)
 {
   spi_transaction_t trans = {
       .length = len * 8,
@@ -102,40 +102,49 @@ void lcd_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
 #endif
 }
 
-void lcd_one_second_task()
+// void lcd_one_second_task()
-{
+// {
-  lcd_main.fps=lcd_main.fps_count;
+//   lcd_main.fps=lcd_main.fps_count;
-  lcd_main.fps_count=0;
+//   lcd_main.fps_count=0;
 
-  ESP_LOGI(TAG, "FPS:%d",lcd_main.fps);
+//   ESP_LOGI(TAG, "FPS:%d",lcd_main.fps);
-}
+// }
 
-void lcd_send_full_buf()
+// void lcd_send_full_buf()
+// {
+//   gpio_set_level(LCD_CS, 0);
+//   lcd_set_window(0, 0, LCD_WW - 1, LCD_HH - 1);
+//   // 分包发送 单次9600 分16次发送
+//   spi_transaction_t trans = {
+//       .length = 9600 * 8, // 数据位数
+//   };
+//   uint8_t *d_buf = (uint8_t *)(lcd_main.buf);
+//   for (uint16_t i = 0; i < 16; i++)
+//   {
+//     // trans.length=9600*8;
+//     trans.tx_buffer = d_buf + (i * 9600);
+//     spi_device_transmit(lcd_spi, &trans);
+//   }
+//   gpio_set_level(LCD_CS, 1);
+
+//   //发送成功 帧计数+1
+//   lcd_main.fps_count+=1;
+// }
+
+// void lcd_clear_buf(uint16_t color)
+// {
+//   for (uint32_t i = 0; i < (LCD_WW * LCD_HH); i++)
+//   {
+//     lcd_main.buf[i] = color;
+//   }
+// }
+
+void lcd_full_dis(uint16_t color)
 {
-  gpio_set_level(LCD_CS, 0);
   lcd_set_window(0, 0, LCD_WW - 1, LCD_HH - 1);
-  // 分包发送 单次9600 分16次发送
-  spi_transaction_t trans = {
-      .length = 9600 * 8, // 数据位数
-  };
-  uint8_t *d_buf = (uint8_t *)(lcd_main.buf);
-  for (uint16_t i = 0; i < 16; i++)
-  {
-    // trans.length=9600*8;
-    trans.tx_buffer = d_buf + (i * 9600);
-    spi_device_transmit(lcd_spi, &trans);
-  }
-  gpio_set_level(LCD_CS, 1);
-
-  //发送成功 帧计数+1
-  lcd_main.fps_count+=1;
-}
-
-void lcd_clear_buf(uint16_t color)
-{
   for (uint32_t i = 0; i < (LCD_WW * LCD_HH); i++)
   {
-    lcd_main.buf[i] = color;
+    lcd_spi_send_data_16(color);
   }
 }
 
@@ -256,7 +265,8 @@ void lcd_init()
 
   lcd_spi_send_cmd(0x29);
 
-  lcd_clear_buf(0xffff);
+  
+  //lcd_full_dis(0xffff);
 
   gpio_set_level(LCD_CS, 1);
   ESP_LOGI(TAG, "初始化LCD完成");

code/esp32c3_espidf/main/lcd.h

@@ -13,21 +13,22 @@
 #define LCD_WW  320
 #define LCD_HH  240
 
-typedef struct{
+// typedef struct{
-   uint16_t buf[LCD_WW*LCD_HH];
+//    uint16_t buf[LCD_WW*LCD_HH];
-   uint16_t fps_count;
+//    uint16_t fps_count;
-   uint16_t fps;
+//    uint16_t fps;
-}lcd_t;
+// }lcd_t;
 
-extern lcd_t lcd_main;
+// extern lcd_t lcd_main;
 
 
-void LCD_Address_Set(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2);
+void lcd_set_window(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2);
+esp_err_t lcd_spi_send_data_any(uint8_t *data, uint32_t len);
 void lcd_init();
 
-void lcd_clear_buf(uint16_t Color);
+// void lcd_clear_buf(uint16_t Color);
-void lcd_send_full_buf();
+// void lcd_send_full_buf();
-void lcd_one_second_task();
+// void lcd_one_second_task();
 
 
 #endif

code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c

@@ -0,0 +1,81 @@
+#include "lv_helloworld.h"
+
+
+static lv_style_t style_btn;
+static lv_style_t style_button_pressed;
+static lv_style_t style_button_red;
+
+static lv_color_t darken(const lv_color_filter_dsc_t * dsc, lv_color_t color, lv_opa_t opa)
+{
+    LV_UNUSED(dsc);
+    return lv_color_darken(color, opa);
+}
+
+static void style_init(void)
+{
+    /*Create a simple button style*/
+    lv_style_init(&style_btn);
+    lv_style_set_radius(&style_btn, 10);
+    lv_style_set_bg_opa(&style_btn, LV_OPA_COVER);
+    lv_style_set_bg_color(&style_btn, lv_palette_lighten(LV_PALETTE_GREY, 3));
+    lv_style_set_bg_grad_color(&style_btn, lv_palette_main(LV_PALETTE_GREY));
+    lv_style_set_bg_grad_dir(&style_btn, LV_GRAD_DIR_VER);
+
+    lv_style_set_border_color(&style_btn, lv_color_black());
+    lv_style_set_border_opa(&style_btn, LV_OPA_20);
+    lv_style_set_border_width(&style_btn, 2);
+
+    lv_style_set_text_color(&style_btn, lv_color_black());
+
+    /*Create a style for the pressed state.
+     *Use a color filter to simply modify all colors in this state*/
+    static lv_color_filter_dsc_t color_filter;
+    lv_color_filter_dsc_init(&color_filter, darken);
+    lv_style_init(&style_button_pressed);
+    lv_style_set_color_filter_dsc(&style_button_pressed, &color_filter);
+    lv_style_set_color_filter_opa(&style_button_pressed, LV_OPA_20);
+
+    /*Create a red style. Change only some colors.*/
+    lv_style_init(&style_button_red);
+    lv_style_set_bg_color(&style_button_red, lv_palette_main(LV_PALETTE_RED));
+    lv_style_set_bg_grad_color(&style_button_red, lv_palette_lighten(LV_PALETTE_RED, 3));
+}
+
+/**
+ * Create styles from scratch for buttons.
+ */
+void lv_example_get_started_1(void)
+{
+    /*Initialize the style*/
+    style_init();
+
+    /*Create a button and use the new styles*/
+    lv_obj_t * btn = lv_button_create(lv_screen_active());
+    /* Remove the styles coming from the theme
+     * Note that size and position are also stored as style properties
+     * so lv_obj_remove_style_all will remove the set size and position too */
+    lv_obj_remove_style_all(btn);
+    lv_obj_set_pos(btn, 10, 10);
+    lv_obj_set_size(btn, 120, 50);
+    lv_obj_add_style(btn, &style_btn, 0);
+    lv_obj_add_style(btn, &style_button_pressed, LV_STATE_PRESSED);
+
+    /*Add a label to the button*/
+    lv_obj_t * label = lv_label_create(btn);
+    lv_label_set_text(label, "Button");
+    lv_obj_center(label);
+
+    /*Create another button and use the red style too*/
+    lv_obj_t * btn2 = lv_button_create(lv_screen_active());
+    lv_obj_remove_style_all(btn2);                      /*Remove the styles coming from the theme*/
+    lv_obj_set_pos(btn2, 10, 80);
+    lv_obj_set_size(btn2, 120, 50);
+    lv_obj_add_style(btn2, &style_btn, 0);
+    lv_obj_add_style(btn2, &style_button_red, 0);
+    lv_obj_add_style(btn2, &style_button_pressed, LV_STATE_PRESSED);
+    lv_obj_set_style_radius(btn2, LV_RADIUS_CIRCLE, 0); /*Add a local style too*/
+
+    label = lv_label_create(btn2);
+    lv_label_set_text(label, "Button 2");
+    lv_obj_center(label);
+}

code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.h

@@ -0,0 +1,8 @@
+#ifndef LV_HELLOWORLD_H
+#define LV_HELLOWORLD_H
+
+#include "lvgl.h"
+
+void lv_example_get_started_1(void);
+
+#endif

code/esp32c3_espidf/main/lv_port_disp.c

@@ -0,0 +1,163 @@
+/**
+ * @file lv_port_disp_template.c
+ *
+ */
+
+/*Copy this file as "lv_port_disp.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_port_disp.h"
+#include <stdbool.h>
+#include "esp_log.h"
+#include "lcd.h"
+
+#define MY_DISP_HOR_RES 320
+#define MY_DISP_VER_RES 240
+
+static const char *TAG = "LVGL_disp";
+
+/*********************
+ *      DEFINES
+ *********************/
+#ifndef MY_DISP_HOR_RES
+#warning Please define or replace the macro MY_DISP_HOR_RES with the actual screen width, default value 320 is used for now.
+#define MY_DISP_HOR_RES 320
+#endif
+
+#ifndef MY_DISP_VER_RES
+#warning Please define or replace the macro MY_DISP_VER_RES with the actual screen height, default value 240 is used for now.
+#define MY_DISP_VER_RES 240
+#endif
+
+#define BYTE_PER_PIXEL (LV_COLOR_FORMAT_GET_SIZE(LV_COLOR_FORMAT_RGB565_SWAPPED)) /*will be 2 for RGB565 */
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void disp_init(void);
+
+static void disp_flush(lv_display_t *disp, const lv_area_t *area, uint8_t *px_map);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_port_disp_init(void)
+{
+    /*-------------------------
+     * Initialize your display
+     * -----------------------*/
+    disp_init();
+
+    /*------------------------------------
+     * Create a display and set a flush_cb
+     * -----------------------------------*/
+    lv_display_t *disp = lv_display_create(MY_DISP_HOR_RES, MY_DISP_VER_RES);
+    lv_display_set_color_format(disp, LV_COLOR_FORMAT_RGB565_SWAPPED);
+    lv_display_set_flush_cb(disp, disp_flush);
+
+    /* Example 1
+     * One buffer for partial rendering*/
+    // LV_ATTRIBUTE_MEM_ALIGN
+    // static uint8_t buf_1_1[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];            /*A buffer for 10 rows*/
+    // lv_display_set_buffers(disp, buf_1_1, NULL, sizeof(buf_1_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
+
+    /* Example 2
+     * Two buffers for partial rendering
+     * In flush_cb DMA or similar hardware should be used to update the display in the background.*/
+    LV_ATTRIBUTE_MEM_ALIGN
+    static uint8_t buf_2_1[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];
+
+    LV_ATTRIBUTE_MEM_ALIGN
+    static uint8_t buf_2_2[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];
+    lv_display_set_buffers(disp, buf_2_1, buf_2_2, sizeof(buf_2_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
+
+    /* Example 3
+     * Two buffers screen sized buffer for double buffering.
+     * Both LV_DISPLAY_RENDER_MODE_DIRECT and LV_DISPLAY_RENDER_MODE_FULL works, see their comments*/
+    // LV_ATTRIBUTE_MEM_ALIGN
+    // static uint8_t buf_3_1[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
+
+    // LV_ATTRIBUTE_MEM_ALIGN
+    // static uint8_t buf_3_2[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
+    // lv_display_set_buffers(disp, buf_3_1, buf_3_2, sizeof(buf_3_1), LV_DISPLAY_RENDER_MODE_DIRECT);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/*Initialize your display and the required peripherals.*/
+static void disp_init(void)
+{
+    /*You code here*/
+}
+
+volatile bool disp_flush_enabled = true;
+
+/* Enable updating the screen (the flushing process) when disp_flush() is called by LVGL
+ */
+void disp_enable_update(void)
+{
+    disp_flush_enabled = true;
+}
+
+/* Disable updating the screen (the flushing process) when disp_flush() is called by LVGL
+ */
+void disp_disable_update(void)
+{
+    disp_flush_enabled = false;
+}
+
+/*Flush the content of the internal buffer the specific area on the display.
+ *`px_map` contains the rendered image as raw pixel map and it should be copied to `area` on the display.
+ *You can use DMA or any hardware acceleration to do this operation in the background but
+ *'lv_display_flush_ready()' has to be called when it's finished.*/
+static void disp_flush(lv_display_t *disp_drv, const lv_area_t *area, uint8_t *px_map)
+{
+    if (disp_flush_enabled)
+    {
+        /*The most simple case (but also the slowest) to put all pixels to the screen one-by-one*/
+
+        // 获取显示驱动的颜色格式
+        lv_color_format_t color_format = lv_display_get_color_format(disp_drv);
+        // 获取像素字节数
+        uint8_t px_size = lv_color_format_get_size(color_format);
+
+        gpio_set_level(LCD_CS, 0);
+        lcd_set_window(area->x1, area->y1, area->x2+1, area->y2+1);
+        esp_err_t err = lcd_spi_send_data_any(px_map, (area->x2+1 - area->x1) * (area->y2+1 - area->y1) * px_size);
+        gpio_set_level(LCD_CS, 1);
+        
+        if (err != ESP_OK)
+        {
+            ESP_LOGE(TAG, "失败:%x", err);
+        }
+        //ESP_LOGI(TAG, "flush: x1:%lu y1:%lu x2:%lu y2:%lu len:%d", area->x1, area->y1, area->x2, area->y2, px_size);
+    }
+
+    /*IMPORTANT!!!
+     *Inform the graphics library that you are ready with the flushing*/
+    lv_display_flush_ready(disp_drv);
+}
+
+#else /*Enable this file at the top*/
+
+/*This dummy typedef exists purely to silence -Wpedantic.*/
+typedef int keep_pedantic_happy;
+#endif

code/esp32c3_espidf/main/lv_port_disp.h

@@ -0,0 +1,57 @@
+/**
+ * @file lv_port_disp_templ.h
+ *
+ */
+
+/*Copy this file as "lv_port_disp.h" and set this value to "1" to enable content*/
+#if 1
+
+#ifndef LV_PORT_DISP_TEMPL_H
+#define LV_PORT_DISP_TEMPL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
+#include "lvgl.h"
+#else
+#include "lvgl.h"
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+/* Initialize low level display driver */
+void lv_port_disp_init(void);
+
+/* Enable updating the screen (the flushing process) when disp_flush() is called by LVGL
+ */
+void disp_enable_update(void);
+
+/* Disable updating the screen (the flushing process) when disp_flush() is called by LVGL
+ */
+void disp_disable_update(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_PORT_DISP_TEMPL_H*/
+
+#endif /*Disable/Enable content*/