Changeset - 95a3c655fb8e
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0 5 2
Ethan Zonca - 17 months ago 2024-01-11 20:12:57
ez@ethanzonca.com
Initial display functionality
7 files changed with 896 insertions and 217 deletions:
0 comments (0 inline, 0 general)
main/CMakeLists.txt
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idf_component_register(SRCS "main.c" "wifi.c" "usb_cdc.c" "can.c" "display.c"
 
idf_component_register(SRCS "main.c" "wifi.c" "usb_cdc.c" "can.c" "display.c" "ui_helpers.c"
 
                       INCLUDE_DIRS .)
main/display.c
Show inline comments
 
@@ -15,251 +15,509 @@
 
#include "esp_lvgl_port.h"
 

	
 

	
 

	
 

	
 
#include "esp_lcd_touch_tt21100.h"
 
#include <stdio.h>
 
#include "esp_timer.h"
 
#include "esp_heap_caps.h"
 
#include "freertos/FreeRTOS.h"
 
#include "freertos/task.h"
 
#include "ui_helpers.h"
 

	
 
/* LCD size */
 
#define EXAMPLE_LCD_H_RES   (320)
 
#define EXAMPLE_LCD_V_RES   (240)
 
static const char *TAG = "LVGL_SETUP";
 
static void lvgl_timer_task(void *arg);
 

	
 
static lv_obj_t *ui_Screen1;
 
static lv_obj_t *ui_redsquare;
 

	
 
static lv_obj_t *meter;
 
static lv_obj_t *ue_img_logo;
 
static lv_obj_t *esp_img_logo;
 

	
 
/* LCD settings */
 
#define EXAMPLE_LCD_SPI_NUM         (SPI3_HOST)
 
#define EXAMPLE_LCD_PIXEL_CLK_HZ    (40 * 1000 * 1000)
 
#define EXAMPLE_LCD_CMD_BITS        (8)
 
#define EXAMPLE_LCD_PARAM_BITS      (8)
 
#define EXAMPLE_LCD_COLOR_SPACE     (ESP_LCD_COLOR_SPACE_BGR)
 
#define EXAMPLE_LCD_BITS_PER_PIXEL  (16)
 
#define EXAMPLE_LCD_DRAW_BUFF_DOUBLE (1)
 
#define EXAMPLE_LCD_DRAW_BUFF_HEIGHT (50)
 
#define EXAMPLE_LCD_BL_ON_LEVEL     (1)
 
static lv_obj_t *ui_Dropdown2;
 

	
 
LV_IMG_DECLARE(ue_logo)
 
LV_IMG_DECLARE(esp_logo)
 
LV_IMG_DECLARE(red_square)
 

	
 
#define BSP_NULL_CHECK(x, ret) assert(x)
 

	
 
static SemaphoreHandle_t lvgl_mux;  // LVGL mutex
 
static SemaphoreHandle_t touch_mux; // Touch mutex
 

	
 
static void bsp_touchpad_read(lv_indev_drv_t *drv, lv_indev_data_t *data)
 
{
 
    uint16_t touchpad_x[1] = {0};
 
    uint16_t touchpad_y[1] = {0};
 
    uint8_t touchpad_cnt = 0;
 

	
 
/* LCD pins */
 
#define EXAMPLE_LCD_GPIO_SCLK       (GPIO_NUM_7)
 
#define EXAMPLE_LCD_GPIO_MOSI       (GPIO_NUM_6)
 
#define EXAMPLE_LCD_GPIO_RST        (GPIO_NUM_48)
 
#define EXAMPLE_LCD_GPIO_DC         (GPIO_NUM_4)
 
#define EXAMPLE_LCD_GPIO_CS         (GPIO_NUM_5)
 
#define EXAMPLE_LCD_GPIO_BL         (GPIO_NUM_45)
 
    /* Read data from touch controller into memory */
 
    if (xSemaphoreTake(touch_mux, 0) == pdTRUE)
 
    {
 
        esp_lcd_touch_read_data(drv->user_data);
 
    }
 
    /* Get coordinates */
 
    bool touchpad_pressed = esp_lcd_touch_get_coordinates(drv->user_data, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1);
 

	
 
    if (touchpad_pressed && touchpad_cnt > 0)
 
    {
 
        data->point.x = touchpad_x[0];
 
        data->point.y = touchpad_y[0];
 
        data->state = LV_INDEV_STATE_PRESSED;
 
        printf("data->point.x = %u \n", data->point.x);
 
        printf("data->point.y = %u \n", data->point.y);
 
    }
 
    else
 
    {
 
        data->state = LV_INDEV_STATE_RELEASED;
 
    }
 
}
 

	
 
/* Touch settings */
 
#define EXAMPLE_TOUCH_I2C_NUM       (0)
 
#define EXAMPLE_TOUCH_I2C_CLK_HZ    (400000)
 
static void touch_callback(esp_lcd_touch_handle_t tp)
 
{
 
    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
 
    xSemaphoreGiveFromISR(touch_mux, &xHigherPriorityTaskWoken);
 

	
 
    if (xHigherPriorityTaskWoken)
 
    {
 
        portYIELD_FROM_ISR();
 
    }
 
}
 

	
 
/* LCD touch pins */
 
#define EXAMPLE_TOUCH_I2C_SCL       (GPIO_NUM_18)
 
#define EXAMPLE_TOUCH_I2C_SDA       (GPIO_NUM_8)
 
#define EXAMPLE_TOUCH_GPIO_INT      (GPIO_NUM_20)
 
static void set_value(void *indic, int32_t v)
 
{
 
    lv_meter_set_indicator_end_value(meter, indic, v);
 
}
 

	
 
static const char *TAG = "EXAMPLE";
 
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)
 
{
 
    lv_disp_drv_t *disp_driver = (lv_disp_drv_t *)user_ctx;
 
    lv_disp_flush_ready(disp_driver);
 
    return false;
 
}
 

	
 
/* LCD IO and panel */
 
static esp_lcd_panel_io_handle_t lcd_io = NULL;
 
static esp_lcd_panel_handle_t lcd_panel = NULL;
 
static esp_lcd_touch_handle_t touch_handle = NULL;
 
static void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
 
{
 
    esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
 
    int offsetx1 = area->x1;
 
    int offsetx2 = area->x2;
 
    int offsety1 = area->y1;
 
    int offsety2 = area->y2;
 
    // copy a buffer's content to a specific area of the display
 
    esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, color_map);
 
}
 

	
 
/* LVGL display and touch */
 
static lv_disp_t *lvgl_disp = NULL;
 
static lv_indev_t *lvgl_touch_indev = NULL;
 
static void example_increase_lvgl_tick(void *arg)
 
{
 
    /* Tell LVGL how many milliseconds has elapsed */
 
    lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
 
}
 

	
 
void display_init()
 
{
 

	
 
    static lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
 
    static lv_disp_drv_t disp_drv;      // contains callback functions
 

	
 
    gpio_config_t pwr_gpio_config =
 
        {
 
            .mode = GPIO_MODE_OUTPUT,
 
            .pin_bit_mask = 1ULL << EXAMPLE_PIN_NUM_POWER};
 
    ESP_ERROR_CHECK(gpio_config(&pwr_gpio_config));
 
    gpio_set_level(EXAMPLE_PIN_NUM_POWER, EXAMPLE_LCD_BK_LIGHT_ON_LEVEL);
 

	
 
    gpio_config_t input_conf =
 
        {
 
            .mode = GPIO_MODE_INPUT,
 
            .pull_up_en = GPIO_PULLUP_ENABLE,
 
            .pin_bit_mask = 1ULL << PIN_LCD_RD};
 
    ESP_ERROR_CHECK(gpio_config(&input_conf));
 

	
 
static esp_err_t __lcd_init(void)
 
{
 
    esp_err_t ret = ESP_OK;
 
    gpio_config_t bk_gpio_config =
 
        {
 
            .mode = GPIO_MODE_OUTPUT,
 
            .pin_bit_mask = 1ULL << EXAMPLE_PIN_NUM_BK_LIGHT};
 
    ESP_ERROR_CHECK(gpio_config(&bk_gpio_config));
 
    gpio_set_level(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_ON_LEVEL);
 

	
 
    /* LCD backlight */
 
    gpio_config_t bk_gpio_config = {
 
        .mode = GPIO_MODE_OUTPUT,
 
        .pin_bit_mask = 1ULL << EXAMPLE_LCD_GPIO_BL
 
    ESP_LOGI(TAG, "Initialize Intel 8080 bus");
 
    esp_lcd_i80_bus_handle_t i80_bus = NULL;
 
    esp_lcd_i80_bus_config_t bus_config = {
 
        .clk_src = LCD_CLK_SRC_DEFAULT,
 
        .dc_gpio_num = EXAMPLE_PIN_NUM_DC,
 
        .wr_gpio_num = EXAMPLE_PIN_NUM_PCLK,
 
        .data_gpio_nums = {
 
            EXAMPLE_PIN_NUM_DATA0,
 
            EXAMPLE_PIN_NUM_DATA1,
 
            EXAMPLE_PIN_NUM_DATA2,
 
            EXAMPLE_PIN_NUM_DATA3,
 
            EXAMPLE_PIN_NUM_DATA4,
 
            EXAMPLE_PIN_NUM_DATA5,
 
            EXAMPLE_PIN_NUM_DATA6,
 
            EXAMPLE_PIN_NUM_DATA7,
 
        },
 
        .bus_width = 8,
 
        .max_transfer_bytes = LVGL_LCD_BUF_SIZE * sizeof(uint16_t)
 
        //.psram_trans_align = EXAMPLE_PSRAM_DATA_ALIGNMENT,
 
        //.sram_trans_align = 4,
 
    };
 
    ESP_ERROR_CHECK(gpio_config(&bk_gpio_config));
 
    ESP_ERROR_CHECK(esp_lcd_new_i80_bus(&bus_config, &i80_bus));
 
    esp_lcd_panel_io_handle_t io_handle = NULL;
 
    esp_lcd_panel_io_i80_config_t io_config = {
 
        .cs_gpio_num = EXAMPLE_PIN_NUM_CS,
 
        .pclk_hz = EXAMPLE_LCD_PIXEL_CLOCK_HZ,
 
        .trans_queue_depth = 20,
 
        .dc_levels = {
 
            .dc_idle_level = 0,
 
            .dc_cmd_level = 0,
 
            .dc_dummy_level = 0,
 
            .dc_data_level = 1,
 
        },
 

	
 
    /* LCD initialization */
 
    ESP_LOGD(TAG, "Initialize SPI bus");
 
    const spi_bus_config_t buscfg = {
 
        .sclk_io_num = EXAMPLE_LCD_GPIO_SCLK,
 
        .mosi_io_num = EXAMPLE_LCD_GPIO_MOSI,
 
        .miso_io_num = GPIO_NUM_NC,
 
        .quadwp_io_num = GPIO_NUM_NC,
 
        .quadhd_io_num = GPIO_NUM_NC,
 
        .max_transfer_sz = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_DRAW_BUFF_HEIGHT * sizeof(uint16_t),
 
    };
 
    ESP_RETURN_ON_ERROR(spi_bus_initialize(EXAMPLE_LCD_SPI_NUM, &buscfg, SPI_DMA_CH_AUTO), TAG, "SPI init failed");
 

	
 
    ESP_LOGD(TAG, "Install panel IO");
 
    const esp_lcd_panel_io_spi_config_t io_config = {
 
        .dc_gpio_num = EXAMPLE_LCD_GPIO_DC,
 
        .cs_gpio_num = EXAMPLE_LCD_GPIO_CS,
 
        .pclk_hz = EXAMPLE_LCD_PIXEL_CLK_HZ,
 
        .on_color_trans_done = example_notify_lvgl_flush_ready,
 
        .user_ctx = &disp_drv,
 
        .lcd_cmd_bits = EXAMPLE_LCD_CMD_BITS,
 
        .lcd_param_bits = EXAMPLE_LCD_PARAM_BITS,
 
        .spi_mode = 0,
 
        .trans_queue_depth = 10,
 
    };
 
    ESP_ERROR_CHECK(esp_lcd_new_panel_io_i80(i80_bus, &io_config, &io_handle));
 

	
 
    esp_lcd_panel_handle_t panel_handle = NULL;
 

	
 
    ESP_LOGI(TAG, "Install LCD driver of st7789");
 
    esp_lcd_panel_dev_config_t panel_config = {
 
        .reset_gpio_num = EXAMPLE_PIN_NUM_RST,
 
        .rgb_endian = ESP_LCD_COLOR_SPACE_RGB,
 
        .bits_per_pixel = 16,
 
    };
 
    ESP_GOTO_ON_ERROR(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)EXAMPLE_LCD_SPI_NUM, &io_config, &lcd_io), err, TAG, "New panel IO failed");
 
    ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(io_handle, &panel_config, &panel_handle));
 

	
 
    esp_lcd_panel_reset(panel_handle);
 
    esp_lcd_panel_init(panel_handle);
 
    esp_lcd_panel_invert_color(panel_handle, true);
 

	
 
    esp_lcd_panel_swap_xy(panel_handle, true);
 

	
 
    esp_lcd_panel_mirror(panel_handle, false, true);
 

	
 
    // the gap is LCD panel specific, even panels with the same driver IC, can have different gap value
 
    esp_lcd_panel_set_gap(panel_handle, 0, 35);
 

	
 
    esp_lcd_panel_io_tx_param(io_handle, 0xF2, (uint8_t[]){0}, 1); // 3Gamma function disable
 
    esp_lcd_panel_io_tx_param(io_handle, 0x26, (uint8_t[]){1}, 1); // Gamma curve 1 selected
 
    esp_lcd_panel_io_tx_param(io_handle, 0xE0, (uint8_t[]){        // Set positive gamma
 
                                                           0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00},
 
                              15);
 
    esp_lcd_panel_io_tx_param(io_handle, 0xE1, (uint8_t[]){// Set negative gamma
 
                                                           0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F},
 
                              15);
 

	
 
    ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, true));
 

	
 
#if USE_TOUCH_DISPLAY
 
    // CST816 TOUCH TESTING FUNCTION
 
    esp_lcd_touch_handle_t tp = NULL;
 
    esp_lcd_panel_io_handle_t tp_io_handle = NULL;
 

	
 
    i2c_config_t i2c_conf = {
 
        .mode = I2C_MODE_MASTER,
 
        .sda_io_num = EXAMPLE_I2C_SDA,
 
        .scl_io_num = EXAMPLE_I2C_SCL,
 
        .sda_pullup_en = GPIO_PULLUP_ENABLE,
 
        .scl_pullup_en = GPIO_PULLUP_ENABLE,
 
        .master.clk_speed = 400000,
 
    };
 
    ESP_LOGI(TAG, "Initializing I2C for display touch");
 
    /* Initialize I2C */
 
    ESP_ERROR_CHECK(i2c_param_config(EXAMPLE_I2C_NUM, &i2c_conf));
 
    ESP_ERROR_CHECK(i2c_driver_install(EXAMPLE_I2C_NUM, i2c_conf.mode, 0, 0, 0));
 

	
 
    i2c_cmd_handle_t cmd;
 
    for (int i = 0; i < 0x7f; i++)
 
    {
 
        cmd = i2c_cmd_link_create();
 
        i2c_master_start(cmd);
 
        i2c_master_write_byte(cmd, (i << 1) | I2C_MASTER_WRITE, true);
 
        i2c_master_stop(cmd);
 
        if (i2c_master_cmd_begin(EXAMPLE_I2C_NUM, cmd, portMAX_DELAY) == ESP_OK)
 
        {
 
            ESP_LOGW("I2C_TEST", "%02X", i);
 
        }
 
        i2c_cmd_link_delete(cmd);
 
    }
 

	
 
    esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
 

	
 
    ESP_LOGD(TAG, "Install LCD driver");
 
    const esp_lcd_panel_dev_config_t panel_config = {
 
        .reset_gpio_num = EXAMPLE_LCD_GPIO_RST,
 
        .color_space = EXAMPLE_LCD_COLOR_SPACE,
 
        .bits_per_pixel = EXAMPLE_LCD_BITS_PER_PIXEL,
 
    ESP_LOGI(TAG, "esp_lcd_new_panel_io_i2c");
 
    ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)EXAMPLE_I2C_NUM, &tp_io_config, &tp_io_handle));
 

	
 
    esp_lcd_touch_config_t tp_cfg = {
 
        .x_max = 170,
 
        .y_max = 320,
 
        .rst_gpio_num = 21,
 
        .int_gpio_num = 16,
 
        .levels = {
 
            .reset = 0,
 
            .interrupt = 0,
 
        },
 
        .flags = {
 
            .swap_xy = 1,
 
            .mirror_x = 0,
 
            .mirror_y = 1,
 
        },
 
        .interrupt_callback = touch_callback,
 
    };
 
    ESP_GOTO_ON_ERROR(esp_lcd_new_panel_st7789(lcd_io, &panel_config, &lcd_panel), err, TAG, "New panel failed");
 

	
 
    ESP_LOGI(TAG, "esp_lcd_touch_new_i2c_cst816s");
 
    esp_lcd_touch_new_i2c_cst816s(tp_io_handle, &tp_cfg, &tp);
 
    // END OF CST816 TOUCH TESTING FUNCTION
 
#endif
 

	
 
    lv_init();
 

	
 
    lvgl_mux = xSemaphoreCreateMutex();
 
    BSP_NULL_CHECK(lvgl_mux, NULL);
 

	
 
    touch_mux = xSemaphoreCreateBinary();
 
    BSP_NULL_CHECK(touch_mux, NULL);
 

	
 
    // it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
 
    lv_color_t *buf1 = heap_caps_malloc(LVGL_LCD_BUF_SIZE * sizeof(lv_color_t), MALLOC_CAP_DMA);
 
    assert(buf1);
 
    lv_disp_draw_buf_init(&disp_buf, buf1, NULL, LVGL_LCD_BUF_SIZE);
 

	
 
    ESP_LOGI(TAG, "Register display driver to LVGL");
 
    lv_disp_drv_init(&disp_drv);
 
    disp_drv.hor_res = EXAMPLE_LCD_H_RES;
 
    disp_drv.ver_res = EXAMPLE_LCD_V_RES;
 
    disp_drv.flush_cb = example_lvgl_flush_cb;
 
    disp_drv.draw_buf = &disp_buf;
 
    disp_drv.user_data = panel_handle;
 
    disp_drv.sw_rotate = 1;
 
    lv_disp_t *disp = lv_disp_drv_register(&disp_drv);
 

	
 
    ESP_LOGI(TAG, "Install LVGL tick timer");
 
    // Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
 
    const esp_timer_create_args_t lvgl_tick_timer_args = {
 
        .callback = &example_increase_lvgl_tick,
 
        .name = "lvgl_tick"};
 
    esp_timer_handle_t lvgl_tick_timer = NULL;
 
    ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
 
    ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer, EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));
 

	
 
#if USE_TOUCH_DISPLAY
 
    static lv_indev_drv_t indev_drv; // Input device driver (Touch)
 
    lv_indev_t *indev_touchpad;
 
    lv_indev_drv_init(&indev_drv);
 
    indev_drv.type = LV_INDEV_TYPE_POINTER;
 
    indev_drv.disp = disp;
 
    indev_drv.read_cb = bsp_touchpad_read;
 
    indev_drv.user_data = tp;
 
    indev_touchpad = lv_indev_drv_register(&indev_drv);
 
    BSP_NULL_CHECK(indev_touchpad, ESP_ERR_NO_MEM);
 
#endif
 

	
 
    xTaskCreatePinnedToCore(lvgl_timer_task, "lvgl Timer", 10000, NULL, 4, NULL, 1);
 
}
 

	
 
    esp_lcd_panel_reset(lcd_panel);
 
    esp_lcd_panel_init(lcd_panel);
 
    esp_lcd_panel_mirror(lcd_panel, true, true);
 
    esp_lcd_panel_disp_on_off(lcd_panel, true);
 
static void lvgl_timer_task(void *arg)
 
{
 
    ESP_LOGI(TAG, "Starting LVGL task");
 
    while (1)
 
    {
 
        bsp_display_lock(0);
 
        uint32_t task_delay_ms = lv_timer_handler();
 
        bsp_display_unlock();
 
        if (task_delay_ms > 500)
 
        {
 
            task_delay_ms = 500;
 
        }
 
        else if (task_delay_ms < 5)
 
        {
 
            task_delay_ms = 5;
 
        }
 
        vTaskDelay(pdMS_TO_TICKS(task_delay_ms));
 
    }
 
}
 

	
 
void display_meter()
 
{
 
    meter = lv_meter_create(lv_scr_act());
 
    lv_obj_center(meter);
 
    lv_obj_set_size(meter, 170, 170);
 

	
 
    /*Remove the circle from the middle*/
 
    lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
 

	
 
    /*Add a scale first*/
 
    lv_meter_scale_t *scale = lv_meter_add_scale(meter);
 
    lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, lv_palette_main(LV_PALETTE_GREY));
 
    lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 15, lv_color_hex3(0xeee), 10);
 
    lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
 

	
 
    /*Add a three arc indicator*/
 
    lv_meter_indicator_t *indic1 = lv_meter_add_arc(meter, scale, 10, lv_color_hex3(0x00F), 0);
 
    // lv_meter_indicator_t *indic2 = lv_meter_add_arc(meter, scale, 10, lv_color_hex3(0x0F0), -10);
 
    // lv_meter_indicator_t *indic3 = lv_meter_add_arc(meter, scale, 10, lv_color_hex3(0xF00), -20);
 

	
 
    /* LCD backlight on */
 
    ESP_ERROR_CHECK(gpio_set_level(EXAMPLE_LCD_GPIO_BL, EXAMPLE_LCD_BL_ON_LEVEL));
 
    /*Create an animation to set the value*/
 
    lv_anim_t a;
 
    lv_anim_init(&a);
 
    lv_anim_set_exec_cb(&a, set_value);
 
    lv_anim_set_values(&a, 0, 100);
 
    lv_anim_set_repeat_delay(&a, 100);
 
    lv_anim_set_playback_delay(&a, 2000);
 
    lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
 

	
 
    lv_anim_set_time(&a, 2000);
 
    lv_anim_set_playback_time(&a, 500);
 
    lv_anim_set_var(&a, indic1);
 
    lv_anim_start(&a);
 

	
 
    /*
 
        lv_anim_set_time(&a, 1000);
 
        lv_anim_set_playback_time(&a, 1000);
 
        lv_anim_set_var(&a, indic2);
 
        lv_anim_start(&a);
 

	
 
    return ret;
 
        lv_anim_set_time(&a, 1000);
 
        lv_anim_set_playback_time(&a, 2000);
 
        lv_anim_set_var(&a, indic3);
 
        lv_anim_start(&a);
 
        */
 
    /* page 3 */
 
}
 

	
 
static void dropdown_event_handler(lv_event_t *e)
 
{
 
    lv_event_code_t code = lv_event_get_code(e);
 
    lv_obj_t *obj = lv_event_get_target(e);
 
    if (code == LV_EVENT_VALUE_CHANGED)
 
    {
 
        char buf[32];
 
        lv_dropdown_get_selected_str(obj, buf, sizeof(buf));
 
        LV_LOG_USER("Option: %s", buf);
 
    }
 
}
 

	
 
err:
 
    if (lcd_panel) {
 
        esp_lcd_panel_del(lcd_panel);
 
    }
 
    if (lcd_io) {
 
        esp_lcd_panel_io_del(lcd_io);
 
    }
 
    spi_bus_free(EXAMPLE_LCD_SPI_NUM);
 
    return ret;
 
/**
 
 * @brief dispaly dropdown is rotated 180 degrees (USB to the right is the orentation)
 
 *
 
 */
 
void display_dropdown()
 
{
 
    lv_disp_t *dispp = lv_disp_get_default();
 
    ui_Dropdown2 = lv_dropdown_create(lv_scr_act());
 
    lv_dropdown_set_options(ui_Dropdown2, "Apple\n"
 
                                          "Banana\n"
 
                                          "Orange\n"
 
                                          "Melon\n"
 
                                          "Grape\n"
 
                                          "Raspberry");
 
    lv_obj_set_width(ui_Dropdown2, 150);
 
    lv_obj_set_height(ui_Dropdown2, LV_SIZE_CONTENT); /// 1
 
    lv_obj_set_x(ui_Dropdown2, 0);
 
    lv_obj_set_y(ui_Dropdown2, -20);
 
    lv_obj_set_align(ui_Dropdown2, LV_ALIGN_CENTER);
 
    lv_obj_add_flag(ui_Dropdown2, LV_OBJ_FLAG_SCROLL_ON_FOCUS); /// Flags
 
    lv_obj_add_event_cb(ui_Dropdown2, dropdown_event_handler, LV_EVENT_ALL, NULL);
 
}
 

	
 
void display_window()
 
{
 
    lv_obj_t *win = lv_win_create(lv_scr_act(), 40);
 
    assert(win);
 
    lv_win_add_title(win, "test123!");
 
}
 

	
 
void display_image()
 
{
 
    esp_img_logo = lv_img_create(lv_scr_act());
 
    lv_img_set_src(esp_img_logo, &esp_logo);
 
    lv_obj_center(esp_img_logo);
 
}
 

	
 
void display_red_square()
 
{
 
    // ui_Screen1 = lv_obj_create(NULL);
 
    // lv_obj_clear_flag(ui_Screen1, LV_OBJ_FLAG_SCROLLABLE);      /// Flags
 

	
 
    ui_redsquare = lv_img_create(lv_scr_act());
 
    lv_img_set_src(ui_redsquare, &red_square);
 
    lv_obj_set_width(ui_redsquare, LV_SIZE_CONTENT);  /// 1
 
    lv_obj_set_height(ui_redsquare, LV_SIZE_CONTENT); /// 1
 
    lv_obj_set_align(ui_redsquare, LV_ALIGN_CENTER);
 
    lv_obj_add_flag(ui_redsquare, LV_OBJ_FLAG_ADV_HITTEST);  /// Flags
 
    lv_obj_clear_flag(ui_redsquare, LV_OBJ_FLAG_SCROLLABLE); /// Flags
 
}
 

	
 
static void slider_event_cb(lv_event_t *e);
 
static lv_obj_t *slider_label;
 

	
 
void display_slider()
 
{
 
    lv_disp_t *dispp = lv_disp_get_default();
 
    /*Create a slider in the center of the display*/
 
    lv_obj_t *slider = lv_slider_create(lv_scr_act());
 
    lv_obj_set_x(slider, 0);
 
    lv_obj_set_y(slider, -40);
 
    lv_obj_set_align(slider, LV_ALIGN_CENTER);
 
    lv_obj_add_event_cb(slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
 

	
 
    /*Create a label below the slider*/
 
    slider_label = lv_label_create(lv_scr_act());
 
    lv_label_set_text(slider_label, "0%");
 
    lv_obj_align_to(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
 
}
 

	
 
static void slider_event_cb(lv_event_t *e)
 
{
 
    lv_obj_t *slider = lv_event_get_target(e);
 
    char buf[8];
 
    lv_snprintf(buf, sizeof(buf), "%d%%", (int)lv_slider_get_value(slider));
 
    lv_label_set_text(slider_label, buf);
 
    lv_obj_align_to(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
 
}
 

	
 
void get_img_color()
 
{
 
    lv_color_t pixel_color = lv_img_buf_get_px_color(&red_square, 50, 50, lv_color_make(0, 0, 0));
 
    uint32_t c32 = lv_color_to32(pixel_color);
 
    printf("Pixel color: %lu \n", c32);
 
}
 

	
 
bool bsp_display_lock(uint32_t timeout_ms)
 
{
 
    BSP_NULL_CHECK(lvgl_mux, NULL);
 
    const TickType_t timeout_ticks = (timeout_ms == 0) ? portMAX_DELAY : pdMS_TO_TICKS(timeout_ms);
 
    return xSemaphoreTake(lvgl_mux, timeout_ticks) == pdTRUE;
 
}
 

	
 
void bsp_display_unlock(void)
 
{
 
    BSP_NULL_CHECK(lvgl_mux, NULL);
 
    xSemaphoreGive(lvgl_mux);
 
}
 

	
 

	
 
// static esp_err_t app_touch_init(void)
 
// {
 
//     /* Initilize I2C */
 
//     const i2c_config_t i2c_conf = {
 
//         .mode = I2C_MODE_MASTER,
 
//         .sda_io_num = EXAMPLE_TOUCH_I2C_SDA,
 
//         .sda_pullup_en = GPIO_PULLUP_DISABLE,
 
//         .scl_io_num = EXAMPLE_TOUCH_I2C_SCL,
 
//         .scl_pullup_en = GPIO_PULLUP_DISABLE,
 
//         .master.clk_speed = EXAMPLE_TOUCH_I2C_CLK_HZ
 
//     };
 
//     ESP_RETURN_ON_ERROR(i2c_param_config(EXAMPLE_TOUCH_I2C_NUM, &i2c_conf), TAG, "I2C configuration failed");
 
//     ESP_RETURN_ON_ERROR(i2c_driver_install(EXAMPLE_TOUCH_I2C_NUM, i2c_conf.mode, 0, 0, 0), TAG, "I2C initialization failed");
 

	
 

	
 

	
 
//     /* Initialize touch HW */
 
//     const esp_lcd_touch_config_t tp_cfg = {
 
//         .x_max = EXAMPLE_LCD_H_RES,
 
//         .y_max = EXAMPLE_LCD_V_RES,
 
//         .rst_gpio_num = GPIO_NUM_NC, // Shared with LCD reset
 
//         .int_gpio_num = EXAMPLE_TOUCH_GPIO_INT,
 
//         .levels = {
 
//             .reset = 0,
 
//             .interrupt = 0,
 
//         },
 
//         .flags = {
 
//             .swap_xy = 0,
 
//             .mirror_x = 1,
 
//             .mirror_y = 0,
 
//         },
 
//     };
 
//     esp_lcd_panel_io_handle_t tp_io_handle = NULL;
 
//     const esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_TT21100_CONFIG();
 
//     ESP_RETURN_ON_ERROR(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)EXAMPLE_TOUCH_I2C_NUM, &tp_io_config, &tp_io_handle), TAG, "");
 
//     return esp_lcd_touch_new_i2c_tt21100(tp_io_handle, &tp_cfg, &touch_handle);
 
// }
 

	
 
static esp_err_t __lvgl_init(void)
 
void display_process(void)
 
{
 
    /* Initialize LVGL */
 
    const lvgl_port_cfg_t lvgl_cfg = {
 
        .task_priority = 4,         /* LVGL task priority */
 
        .task_stack = 4096,         /* LVGL task stack size */
 
        .task_affinity = -1,        /* LVGL task pinned to core (-1 is no affinity) */
 
        .task_max_sleep_ms = 500,   /* Maximum sleep in LVGL task */
 
        .timer_period_ms = 5        /* LVGL timer tick period in ms */
 
    };
 
    ESP_RETURN_ON_ERROR(lvgl_port_init(&lvgl_cfg), TAG, "LVGL port initialization failed");
 
    
 
    bsp_display_lock(0);
 
    // display_slider();
 
    //Call one at a time to see examples
 
    display_meter();
 
    // display_image();
 
    // display_window();
 
    //display_dropdown();
 

	
 
    /* Add LCD screen */
 
    ESP_LOGD(TAG, "Add LCD screen");
 
    const lvgl_port_display_cfg_t disp_cfg = {
 
        .io_handle = lcd_io,
 
        .panel_handle = lcd_panel,
 
        .buffer_size = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_DRAW_BUFF_HEIGHT * sizeof(uint16_t),
 
        .double_buffer = EXAMPLE_LCD_DRAW_BUFF_DOUBLE,
 
        .hres = EXAMPLE_LCD_H_RES,
 
        .vres = EXAMPLE_LCD_V_RES,
 
        .monochrome = false,
 
        /* Rotation values must be same as used in esp_lcd for initial settings of the screen */
 
        .rotation = {
 
            .swap_xy = false,
 
            .mirror_x = true,
 
            .mirror_y = true,
 
        },
 
        .flags = {
 
            .buff_dma = true,
 
        }
 
    };
 
    lvgl_disp = lvgl_port_add_disp(&disp_cfg);
 

	
 
    /* Add touch input (for selected screen) */
 
    // const lvgl_port_touch_cfg_t touch_cfg = {
 
    //     .disp = lvgl_disp,
 
    //     .handle = touch_handle,
 
    // };
 
    // lvgl_touch_indev = lvgl_port_add_touch(&touch_cfg);
 

	
 
    return ESP_OK;
 
    
 
    bsp_display_unlock();
 
    while(1){}
 
}
 

	
 
static void _app_button_cb(lv_event_t *e)
 
{
 
    lv_disp_rot_t rotation = lv_disp_get_rotation(lvgl_disp);
 
    rotation++;
 
    if (rotation > LV_DISP_ROT_270) {
 
        rotation = LV_DISP_ROT_NONE;
 
    }
 

	
 
    /* LCD HW rotation */
 
    lv_disp_set_rotation(lvgl_disp, rotation);
 
}
 

	
 
static void show_stuff(void)
 
{
 
    lv_obj_t *scr = lv_scr_act();
 

	
 
    /* Task lock */
 
    lvgl_port_lock(0);
 

	
 
    /* Your LVGL objects code here .... */
 

	
 
    /* Label */
 
    lv_obj_t *label = lv_label_create(scr);
 
    lv_label_set_recolor(label, true);
 
    lv_obj_set_width(label, EXAMPLE_LCD_H_RES);
 
    lv_obj_set_style_text_align(label, LV_TEXT_ALIGN_CENTER, 0);
 
    lv_label_set_text(label, "#FF0000 "LV_SYMBOL_BELL" Hello world Espressif and LVGL "LV_SYMBOL_BELL"#\n#FF9400 "LV_SYMBOL_WARNING" For simplier initialization, use BSP "LV_SYMBOL_WARNING" #");
 
    lv_obj_align(label, LV_ALIGN_CENTER, 0, -30);
 

	
 
    /* Button */
 
    lv_obj_t *btn = lv_btn_create(scr);
 
    label = lv_label_create(btn);
 
    lv_label_set_text_static(label, "Rotate screen");
 
    lv_obj_align(btn, LV_ALIGN_BOTTOM_MID, 0, -30);
 
    lv_obj_add_event_cb(btn, _app_button_cb, LV_EVENT_CLICKED, NULL);
 

	
 
    /* Task unlock */
 
    lvgl_port_unlock();
 
}
 

	
 
void display_init(void)
 
{
 
    /* LCD HW initialization */
 
    ESP_ERROR_CHECK(__lcd_init());
 

	
 
    /* Touch initialization */
 
//    ESP_ERROR_CHECK(app_touch_init());
 

	
 
    /* LVGL initialization */
 
    ESP_ERROR_CHECK(__lvgl_init());
 

	
 
    /* Show LVGL objects */
 
    show_stuff();
 
}
 
\ No newline at end of file
main/display.h
Show inline comments
 
#ifndef _DISPLAY_H_
 
#define _DISPLAY_H_
 

	
 

	
 

	
 

	
 
#include "lvgl.h"
 
#include "esp_lcd_panel_io.h"
 
#include "esp_lcd_panel_vendor.h"
 
#include "esp_lcd_panel_ops.h"
 
#include "driver/gpio.h"
 
#include "driver/i2c.h"
 
// #include "esp_lcd_touch_cst816s.h"
 

	
 

	
 
//CST816 defines
 
#define EXAMPLE_I2C_SCL                17
 
#define EXAMPLE_I2C_SDA                18
 
#define PIN_TOUCH_RES                  21
 
#define EXAMPLE_I2C_NUM                 0   // I2C number
 

	
 

	
 
#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (10 * 1000 * 1000)
 

	
 
#define EXAMPLE_LCD_BK_LIGHT_ON_LEVEL 1
 
#define EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL !EXAMPLE_LCD_BK_LIGHT_ON_LEVEL
 
#define EXAMPLE_PIN_NUM_DATA0 39    // 6
 
#define EXAMPLE_PIN_NUM_DATA1 40    // 7
 
#define EXAMPLE_PIN_NUM_DATA2 41    // 8
 
#define EXAMPLE_PIN_NUM_DATA3 42    // 9
 
#define EXAMPLE_PIN_NUM_DATA4 45    // 10
 
#define EXAMPLE_PIN_NUM_DATA5 46    // 11
 
#define EXAMPLE_PIN_NUM_DATA6 47    // 12
 
#define EXAMPLE_PIN_NUM_DATA7 48    // 13
 
#define EXAMPLE_PIN_NUM_PCLK 8      // 5
 
#define EXAMPLE_PIN_NUM_CS 6        // 3
 
#define EXAMPLE_PIN_NUM_DC 7        // 4
 
#define EXAMPLE_PIN_NUM_RST 5       // 2
 
#define EXAMPLE_PIN_NUM_BK_LIGHT 38 // 1
 
#define EXAMPLE_PIN_NUM_POWER 15
 
#define PIN_LCD_RD 9
 

	
 
// The pixel number in horizontal and vertical
 
#define EXAMPLE_LCD_H_RES 320
 
#define EXAMPLE_LCD_V_RES 170
 
#define LVGL_LCD_BUF_SIZE            (EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES)
 
// Bit number used to represent command and parameter
 
#define EXAMPLE_LCD_CMD_BITS 8
 
#define EXAMPLE_LCD_PARAM_BITS 8
 

	
 
#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
 

	
 
// Supported alignment: 16, 32, 64. A higher alignment can enables higher burst transfer size, thus a higher i80 bus throughput.
 
#define EXAMPLE_PSRAM_DATA_ALIGNMENT 32
 

	
 
//Change this to 0 if you do not wish to use Touch.
 
#define USE_TOUCH_DISPLAY 0
 

	
 

	
 
void display_meter();
 
void display_window();
 
void display_image();
 
void display_slider();
 
void display_red_square();
 
void display_dropdown();
 

	
 
void get_img_color();
 

	
 
void bsp_display_unlock(void);
 
bool bsp_display_lock(uint32_t timeout_ms);
 

	
 

	
 

	
 

	
 

	
 
void display_init(void);
 
void display_process(void);
 

	
 

	
 
#endif
 
\ No newline at end of file
main/main.c
Show inline comments
 
@@ -38,12 +38,17 @@ void app_main(void)
 

	
 

	
 
    // Connect to wifi
 
    wifi_init();
 
    //wifi_init();
 

	
 
    // Initialize canbus
 
    can_init();
 
    //can_init();
 

	
 
    // Initialize display
 
    display_init();
 

	
 
    while(1)
 
    {
 
        display_process();
 
    }
 

	
 
}
main/ui_helpers.c
Show inline comments
 
new file 100644
 
// This file was generated by SquareLine Studio
 
// SquareLine Studio version: SquareLine Studio 1.3.0
 
// LVGL version: 8.3.6
 
// Project name: SquareLine_Project
 

	
 
#include "ui_helpers.h"
 

	
 
void _ui_bar_set_property(lv_obj_t * target, int id, int val)
 
{
 
    if(id == _UI_BAR_PROPERTY_VALUE_WITH_ANIM) lv_bar_set_value(target, val, LV_ANIM_ON);
 
    if(id == _UI_BAR_PROPERTY_VALUE) lv_bar_set_value(target, val, LV_ANIM_OFF);
 
}
 

	
 
void _ui_basic_set_property(lv_obj_t * target, int id, int val)
 
{
 
    if(id == _UI_BASIC_PROPERTY_POSITION_X) lv_obj_set_x(target, val);
 
    if(id == _UI_BASIC_PROPERTY_POSITION_Y) lv_obj_set_y(target, val);
 
    if(id == _UI_BASIC_PROPERTY_WIDTH) lv_obj_set_width(target, val);
 
    if(id == _UI_BASIC_PROPERTY_HEIGHT) lv_obj_set_height(target, val);
 
}
 

	
 
void _ui_dropdown_set_property(lv_obj_t * target, int id, int val)
 
{
 
    if(id == _UI_DROPDOWN_PROPERTY_SELECTED) lv_dropdown_set_selected(target, val);
 
}
 

	
 
void _ui_image_set_property(lv_obj_t * target, int id, uint8_t * val)
 
{
 
    if(id == _UI_IMAGE_PROPERTY_IMAGE) lv_img_set_src(target, val);
 
}
 

	
 
void _ui_label_set_property(lv_obj_t * target, int id, const char * val)
 
{
 
    if(id == _UI_LABEL_PROPERTY_TEXT) lv_label_set_text(target, val);
 
}
 

	
 
void _ui_roller_set_property(lv_obj_t * target, int id, int val)
 
{
 
    if(id == _UI_ROLLER_PROPERTY_SELECTED_WITH_ANIM) lv_roller_set_selected(target, val, LV_ANIM_ON);
 
    if(id == _UI_ROLLER_PROPERTY_SELECTED) lv_roller_set_selected(target, val, LV_ANIM_OFF);
 
}
 

	
 
void _ui_slider_set_property(lv_obj_t * target, int id, int val)
 
{
 
    if(id == _UI_SLIDER_PROPERTY_VALUE_WITH_ANIM) lv_slider_set_value(target, val, LV_ANIM_ON);
 
    if(id == _UI_SLIDER_PROPERTY_VALUE) lv_slider_set_value(target, val, LV_ANIM_OFF);
 
}
 

	
 
void _ui_screen_change(lv_obj_t * target, lv_scr_load_anim_t fademode, int spd, int delay)
 
{
 
    lv_scr_load_anim(target, fademode, spd, delay, false);
 
}
 

	
 
void _ui_arc_increment(lv_obj_t * target, int val)
 
{
 
    int old = lv_arc_get_value(target);
 
    lv_arc_set_value(target, old + val);
 
    lv_event_send(target, LV_EVENT_VALUE_CHANGED, 0);
 
}
 

	
 
void _ui_bar_increment(lv_obj_t * target, int val, int anm)
 
{
 
    int old = lv_bar_get_value(target);
 
    lv_bar_set_value(target, old + val, anm);
 
}
 

	
 
void _ui_slider_increment(lv_obj_t * target, int val, int anm)
 
{
 
    int old = lv_slider_get_value(target);
 
    lv_slider_set_value(target, old + val, anm);
 
    lv_event_send(target, LV_EVENT_VALUE_CHANGED, 0);
 
}
 

	
 
void _ui_keyboard_set_target(lv_obj_t * keyboard, lv_obj_t * textarea)
 
{
 
    lv_keyboard_set_textarea(keyboard, textarea);
 
}
 

	
 
void _ui_flag_modify(lv_obj_t * target, int32_t flag, int value)
 
{
 
    if(value == _UI_MODIFY_FLAG_TOGGLE) {
 
        if(lv_obj_has_flag(target, flag)) lv_obj_clear_flag(target, flag);
 
        else lv_obj_add_flag(target, flag);
 
    }
 
    else if(value == _UI_MODIFY_FLAG_ADD) lv_obj_add_flag(target, flag);
 
    else lv_obj_clear_flag(target, flag);
 
}
 
void _ui_state_modify(lv_obj_t * target, int32_t state, int value)
 
{
 
    if(value == _UI_MODIFY_STATE_TOGGLE) {
 
        if(lv_obj_has_state(target, state)) lv_obj_clear_state(target, state);
 
        else lv_obj_add_state(target, state);
 
    }
 
    else if(value == _UI_MODIFY_STATE_ADD) lv_obj_add_state(target, state);
 
    else lv_obj_clear_state(target, state);
 
}
 

	
 
void _ui_opacity_set(lv_obj_t * target, int val)
 
{
 
    lv_obj_set_style_opa(target, val, 0);
 
}
 

	
 
void _ui_anim_callback_free_user_data(lv_anim_t * a)
 
{
 
    lv_mem_free(a->user_data);
 
    a->user_data = NULL;
 
}
 

	
 
void _ui_anim_callback_set_x(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_obj_set_x(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_y(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_obj_set_y(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_width(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_obj_set_width(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_height(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_obj_set_height(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_opacity(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_obj_set_style_opa(usr->target, v, 0);
 
}
 

	
 
void _ui_anim_callback_set_image_zoom(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_img_set_zoom(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_image_angle(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    lv_img_set_angle(usr->target, v);
 
}
 

	
 
void _ui_anim_callback_set_image_frame(lv_anim_t * a, int32_t v)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    usr->val = v;
 
    if(v < 0) v = 0;
 
    if(v >= usr->imgset_size) v = usr->imgset_size - 1;
 
    lv_img_set_src(usr->target, usr->imgset[v]);
 
}
 

	
 
int32_t _ui_anim_callback_get_x(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_obj_get_x_aligned(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_y(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_obj_get_y_aligned(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_width(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_obj_get_width(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_height(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_obj_get_height(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_opacity(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_obj_get_style_opa(usr->target, 0);
 
}
 

	
 
int32_t _ui_anim_callback_get_image_zoom(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_img_get_zoom(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_image_angle(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return lv_img_get_angle(usr->target);
 
}
 

	
 
int32_t _ui_anim_callback_get_image_frame(lv_anim_t * a)
 
{
 
    ui_anim_user_data_t * usr = (ui_anim_user_data_t *)a->user_data;
 
    return usr->val;
 
}
 

	
 
void _ui_arc_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * prefix, const char * postfix)
 
{
 
    char buf[_UI_TEMPORARY_STRING_BUFFER_SIZE];
 
    lv_snprintf(buf, sizeof(buf), "%s%d%s", prefix, (int)lv_arc_get_value(src), postfix);
 
    lv_label_set_text(trg, buf);
 
}
 

	
 
void _ui_slider_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * prefix, const char * postfix)
 
{
 
    char buf[_UI_TEMPORARY_STRING_BUFFER_SIZE];
 
    lv_snprintf(buf, sizeof(buf), "%s%d%s", prefix, (int)lv_slider_get_value(src), postfix);
 
    lv_label_set_text(trg, buf);
 
}
 
void _ui_checked_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * txt_on, const char * txt_off)
 
{
 
    if(lv_obj_has_state(src, LV_STATE_CHECKED)) lv_label_set_text(trg, txt_on);
 
    else lv_label_set_text(trg, txt_off);
 
}
 

	
main/ui_helpers.h
Show inline comments
 
new file 100644
 
// This file was generated by SquareLine Studio
 
// SquareLine Studio version: SquareLine Studio 1.3.0
 
// LVGL version: 8.3.6
 
// Project name: SquareLine_Project
 

	
 
#ifndef _SQUARELINE_PROJECT_UI_HELPERS_H
 
#define _SQUARELINE_PROJECT_UI_HELPERS_H
 

	
 
#ifdef __cplusplus
 
extern "C" {
 
#endif
 

	
 
#include "lvgl.h"
 

	
 
#define _UI_TEMPORARY_STRING_BUFFER_SIZE 32
 
#define _UI_BAR_PROPERTY_VALUE 0
 
#define _UI_BAR_PROPERTY_VALUE_WITH_ANIM 1
 
void _ui_bar_set_property(lv_obj_t * target, int id, int val);
 

	
 
#define _UI_BASIC_PROPERTY_POSITION_X 0
 
#define _UI_BASIC_PROPERTY_POSITION_Y 1
 
#define _UI_BASIC_PROPERTY_WIDTH 2
 
#define _UI_BASIC_PROPERTY_HEIGHT 3
 
void _ui_basic_set_property(lv_obj_t * target, int id, int val);
 

	
 
#define _UI_DROPDOWN_PROPERTY_SELECTED 0
 
void _ui_dropdown_set_property(lv_obj_t * target, int id, int val);
 

	
 
#define _UI_IMAGE_PROPERTY_IMAGE 0
 
void _ui_image_set_property(lv_obj_t * target, int id, uint8_t * val);
 

	
 
#define _UI_LABEL_PROPERTY_TEXT 0
 
void _ui_label_set_property(lv_obj_t * target, int id, const char * val);
 

	
 
#define _UI_ROLLER_PROPERTY_SELECTED 0
 
#define _UI_ROLLER_PROPERTY_SELECTED_WITH_ANIM 1
 
void _ui_roller_set_property(lv_obj_t * target, int id, int val);
 

	
 
#define _UI_SLIDER_PROPERTY_VALUE 0
 
#define _UI_SLIDER_PROPERTY_VALUE_WITH_ANIM 1
 
void _ui_slider_set_property(lv_obj_t * target, int id, int val);
 

	
 
void _ui_screen_change(lv_obj_t * target, lv_scr_load_anim_t fademode, int spd, int delay);
 

	
 
void _ui_arc_increment(lv_obj_t * target, int val);
 

	
 
void _ui_bar_increment(lv_obj_t * target, int val, int anm);
 

	
 
void _ui_slider_increment(lv_obj_t * target, int val, int anm);
 

	
 
void _ui_keyboard_set_target(lv_obj_t * keyboard, lv_obj_t * textarea);
 

	
 
#define _UI_MODIFY_FLAG_ADD 0
 
#define _UI_MODIFY_FLAG_REMOVE 1
 
#define _UI_MODIFY_FLAG_TOGGLE 2
 
void _ui_flag_modify(lv_obj_t * target, int32_t flag, int value);
 

	
 
#define _UI_MODIFY_STATE_ADD 0
 
#define _UI_MODIFY_STATE_REMOVE 1
 
#define _UI_MODIFY_STATE_TOGGLE 2
 
void _ui_state_modify(lv_obj_t * target, int32_t state, int value);
 

	
 
void _ui_opacity_set(lv_obj_t * target, int val);
 

	
 
/** Describes an animation*/
 
typedef struct _ui_anim_user_data_t {
 
    lv_obj_t * target;
 
    lv_img_dsc_t ** imgset;
 
    int32_t imgset_size;
 
    int32_t val;
 
} ui_anim_user_data_t;
 
void _ui_anim_callback_free_user_data(lv_anim_t * a);
 

	
 
void _ui_anim_callback_set_x(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_y(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_width(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_height(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_opacity(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_image_zoom(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_image_angle(lv_anim_t * a, int32_t v);
 

	
 
void _ui_anim_callback_set_image_frame(lv_anim_t * a, int32_t v);
 

	
 
int32_t _ui_anim_callback_get_x(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_y(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_width(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_height(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_opacity(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_image_zoom(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_image_angle(lv_anim_t * a);
 

	
 
int32_t _ui_anim_callback_get_image_frame(lv_anim_t * a);
 

	
 
void _ui_arc_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * prefix, const char * postfix);
 

	
 
void _ui_slider_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * prefix, const char * postfix);
 

	
 
void _ui_checked_set_text_value(lv_obj_t * trg, lv_obj_t * src, const char * txt_on, const char * txt_off);
 

	
 
#ifdef __cplusplus
 
} /*extern "C"*/
 
#endif
 

	
 
#endif
main/usb_cdc.c
Show inline comments
 
@@ -31,8 +31,8 @@ static void __cdc_rx_callback(int itf, c
 
    }
 

	
 
    /* write back */
 
    tinyusb_cdcacm_write_queue(itf, buf, rx_size);
 
    tinyusb_cdcacm_write_flush(itf, 0);
 
    //tinyusb_cdcacm_write_queue(itf, buf, rx_size);
 
    //tinyusb_cdcacm_write_flush(itf, 0);
 
}
 

	
 

	
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