Прошло 2 года.

lib/epdiy/examples/screen_diag/main/epd.c

@@ -0,0 +1,57 @@
+#include "epd.h"
+
+#include <esp_log.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+
+static EpdiyHighlevelState s_state;
+uint8_t* g_framebuffer;
+static int s_temperature;
+
+// choose the default demo board depending on the architecture
+#ifdef CONFIG_IDF_TARGET_ESP32
+#define DEMO_BOARD epd_board_v6
+#elif defined(CONFIG_IDF_TARGET_ESP32S3)
+#define DEMO_BOARD epd_board_v7
+#endif
+
+void initialize_screen(void) {
+    epd_init(&DEMO_BOARD, &ED097TC2, EPD_LUT_64K);
+    // Set VCOM for boards that allow to set this in software (in mV).
+    // This will print an error if unsupported. In this case,
+    // set VCOM using the hardware potentiometer and delete this line.
+    epd_set_vcom(1560);
+
+    s_state = epd_hl_init(EPD_BUILTIN_WAVEFORM);
+    g_framebuffer = epd_hl_get_framebuffer(&s_state);
+
+    epd_set_rotation(EPD_ROT_PORTRAIT);
+
+    epd_poweron();
+    s_temperature = (int)epd_ambient_temperature();
+    epd_poweroff();
+}
+
+void update_screen(void) {
+    enum EpdDrawError err;
+
+    epd_poweron();
+    err = epd_hl_update_screen(&s_state, EPD_MODE_DEFAULT, s_temperature);
+    taskYIELD();
+    epd_poweroff();
+
+    if (err != EPD_DRAW_SUCCESS) {
+        ESP_LOGW("screen_diag", "Could not update screen. Reason: %d", err);
+    }
+}
+
+void clear_screen(void) {
+    epd_hl_set_all_white(&s_state);
+    update_screen();
+}
+
+void full_clear_screen(void) {
+    epd_poweron();
+    epd_fullclear(&s_state, s_temperature);
+    epd_poweroff();
+}