Прошло 2 года.

lib/epdiy/test/test_initialization.c

@@ -0,0 +1,46 @@
+#include <assert.h>
+#include <unity.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+#include "epd_board.h"
+#include "epd_display.h"
+#include "epdiy.h"
+
+// choose the default demo board depending on the architecture
+#ifdef CONFIG_IDF_TARGET_ESP32
+#define TEST_BOARD epd_board_v6
+#elif defined(CONFIG_IDF_TARGET_ESP32S3)
+#define TEST_BOARD epd_board_v7
+#endif
+
+TEST_CASE("initialization and deinitialization works", "[epdiy,e2e]") {
+    epd_init(&TEST_BOARD, &ED097TC2, EPD_OPTIONS_DEFAULT);
+
+    epd_poweron();
+    vTaskDelay(2);
+    epd_poweroff();
+
+    epd_deinit();
+}
+
+TEST_CASE("re-initialization works", "[epdiy,e2e]") {
+    epd_init(&TEST_BOARD, &ED097TC2, EPD_OPTIONS_DEFAULT);
+
+    epd_poweron();
+    vTaskDelay(2);
+    epd_poweroff();
+
+    epd_deinit();
+
+    int before_init = esp_get_free_internal_heap_size();
+    epd_init(&TEST_BOARD, &ED097TC2, EPD_OPTIONS_DEFAULT);
+
+    epd_poweron();
+    vTaskDelay(2);
+    epd_poweroff();
+
+    epd_deinit();
+    int after_init = esp_get_free_internal_heap_size();
+    TEST_ASSERT_EQUAL(after_init, before_init);
+}