runnable on WT32-SC01-PLUS
This commit is contained in:
Peter Siegmund
189
firmware/main/main.cpp
Normal file
189
firmware/main/main.cpp
Normal file
@@ -0,0 +1,189 @@
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#include <lgfx.h>
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#include <lvgl.h>
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#include "esp_vfs.h"
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#include "esp_vfs_fat.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "image.h"
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#define screenWidth (480)
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#define screenHeight (320)
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const unsigned int lvBufferSize = screenWidth * screenHeight / 10 * (LV_COLOR_DEPTH / 8);
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uint8_t lvBuffer1[lvBufferSize];
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uint8_t lvBuffer2[lvBufferSize];
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static const char *TAG = "main";
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const char *base_path = "/storage";
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LGFX tft;
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void setup_tft(void)
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{
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tft.begin();
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tft.setRotation(1);
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tft.setBrightness(255);
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}
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void flush(lv_display_t *display, const lv_area_t *area, unsigned char *data)
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{
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uint32_t w = lv_area_get_width(area);
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uint32_t h = lv_area_get_height(area);
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lv_draw_sw_rgb565_swap(data, w * h);
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tft.pushImageDMA(area->x1, area->y1, w, h, (uint16_t *)data);
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lv_display_flush_ready(display);
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}
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void my_touch_read(lv_indev_t *indev_driver, lv_indev_data_t *data)
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{
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uint16_t touchX, touchY;
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bool touched = tft.getTouch(&touchX, &touchY);
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if (!touched)
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{
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data->state = LV_INDEV_STATE_REL;
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}
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else
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{
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data->state = LV_INDEV_STATE_PR;
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data->point.x = touchX;
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data->point.y = touchY;
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}
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}
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void lv_handler()
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{
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static uint64_t previousUpdate = 0;
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static uint64_t interval = 0;
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uint64_t eus = esp_timer_get_time();
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if (eus - previousUpdate > interval)
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{
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previousUpdate = eus;
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interval = lv_timer_handler(); // Update the UI
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lv_tick_inc(interval);
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vTaskDelay(pdMS_TO_TICKS(interval - 1));
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}
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}
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void setup_fatfs()
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{
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const esp_vfs_fat_mount_config_t mount_config = {
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.format_if_mount_failed = false,
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.max_files = 4,
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.allocation_unit_size = CONFIG_WL_SECTOR_SIZE,
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.disk_status_check_enable = false,
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.use_one_fat = false,
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};
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ESP_LOGI(TAG, "Mounting FAT filesystem in read/write mode");
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static wl_handle_t wl_handle = WL_INVALID_HANDLE;
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esp_err_t err = esp_vfs_fat_spiflash_mount_rw_wl(base_path, "storage", &mount_config, &wl_handle);
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if (err != ESP_OK)
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{
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ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
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return;
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}
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FILE *f;
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ESP_LOGI(TAG, "Reading file");
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const char *host_filename1 = "/storage/response.png";
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struct stat info;
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struct tm timeinfo;
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char buffer[32];
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if (stat(host_filename1, &info) < 0)
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{
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ESP_LOGE(TAG, "Failed to read file stats");
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return;
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}
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localtime_r(&info.st_mtime, &timeinfo);
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strftime(buffer, sizeof(buffer), "%Y-%m-%d", &timeinfo);
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ESP_LOGI(TAG, "The file '%s' was modified at date: %s", host_filename1, buffer);
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f = fopen(host_filename1, "rb");
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if (f == NULL)
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{
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ESP_LOGE(TAG, "Failed to open file for reading");
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return;
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}
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fclose(f);
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ESP_LOGI(TAG, "Unmounting FAT filesystem");
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ESP_ERROR_CHECK(esp_vfs_fat_spiflash_unmount_rw_wl(base_path, wl_handle));
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ESP_LOGI(TAG, "Done");
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}
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void esp_lv_log_print(lv_log_level_t level, const char *buf)
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{
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switch (level)
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{
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case LV_LOG_LEVEL_TRACE:
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ESP_LOGV("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_INFO:
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ESP_LOGI("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_WARN:
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ESP_LOGW("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_ERROR:
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ESP_LOGE("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_USER:
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ESP_LOGI("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_NONE:
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break;
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}
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}
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void setup()
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{
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setup_fatfs();
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setup_tft();
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lv_init();
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lv_log_register_print_cb(esp_lv_log_print);
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static auto *display = lv_display_create(screenWidth, screenHeight);
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lv_display_set_color_format(display, LV_COLOR_FORMAT_RGB565);
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lv_display_set_flush_cb(display, flush);
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lv_display_set_buffers(display, lvBuffer1, lvBuffer2, lvBufferSize, LV_DISPLAY_RENDER_MODE_PARTIAL);
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static auto *lvInput = lv_indev_create();
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lv_indev_set_type(lvInput, LV_INDEV_TYPE_POINTER);
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lv_indev_set_read_cb(lvInput, my_touch_read);
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ESP_LOGI(TAG, "create image");
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static auto *image = lv_image_create(lv_scr_act());
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lv_image_set_src(image, &image_data);
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lv_obj_align(image, LV_ALIGN_TOP_LEFT, 0, 0);
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ESP_LOGI(TAG, "image created");
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}
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void loop()
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{
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lv_handler();
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}
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void lvgl_task(void *pvParameter)
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{
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setup();
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while (1)
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{
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loop();
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}
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}
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extern "C" void app_main(void)
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{
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xTaskCreatePinnedToCore(lvgl_task, "lvgl_task", 4096, NULL, 5, NULL, 1);
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}
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