diff --git a/examples/wemos_lolin_oled/hello_world/main/hello_world.c b/examples/wemos_lolin_oled/hello_world/main/hello_world.c
index ab401d8..6ef1146 100644
--- a/examples/wemos_lolin_oled/hello_world/main/hello_world.c
+++ b/examples/wemos_lolin_oled/hello_world/main/hello_world.c
@@ -50,20 +50,29 @@ static void guiTask(void *pvParameter)
 {
     (void) pvParameter;
     lv_init();
-    lvgl_driver_init();
+    
+    /* Initialize the needed peripherals */
+    lvgl_interface_init();
+    /* Initialize needed GPIOs, e.g. backlight, reset GPIOs */
+    display_bsp_init_io();
+    /* ToDo Initialize used display driver passing registered lv_disp_drv_t as parameter */
 
-    lv_color_t* buf1 = heap_caps_malloc(DISP_BUF_SIZE * sizeof(lv_color_t), MALLOC_CAP_DMA);
+    size_t display_buffer_size = lvgl_get_display_buffer_size();
+    lv_color_t* buf1 = heap_caps_malloc(display_buffer_size * sizeof(lv_color_t), MALLOC_CAP_DMA);
     assert(buf1 != NULL);
 
     static lv_disp_draw_buf_t disp_buf;
-    lv_disp_draw_buf_init(&disp_buf, buf1, NULL, DISP_BUF_SIZE * 8);
+    lv_disp_draw_buf_init(&disp_buf, buf1, NULL, display_buffer_size * 8);
 
     lv_disp_drv_t disp_drv;
     lv_disp_drv_init(&disp_drv);
     disp_drv.flush_cb = disp_driver_flush;
     disp_drv.rounder_cb = disp_driver_rounder;
     disp_drv.set_px_cb = disp_driver_set_px;
-    disp_drv.draw_buffer = &disp_buf;
+    disp_drv.draw_buf = &disp_buf;
+    /* LVGL v8: Set display horizontal and vertical resolution (in pixels), it's no longer done with lv_conf.h */
+    disp_drv.hor_res = 128u;
+    disp_drv.ver_res = 64u;
     lv_disp_drv_register(&disp_drv);
 
     /* Create and start a periodic timer interrupt to call lv_tick_inc */
@@ -77,6 +86,8 @@ static void guiTask(void *pvParameter)
 
     /* Create a Hellow World label on the currently active screen */
     lv_obj_t *scr = lv_disp_get_scr_act(NULL);
+
+    /* LVGL v8 lv_label_create no longer takes 2 parameters */
     lv_obj_t *label1 =  lv_label_create(scr);
     lv_label_set_text(label1, "Hello\nworld");
 
diff --git a/lvgl_helpers.c b/lvgl_helpers.c
index 8beb616..a8946f5 100644
--- a/lvgl_helpers.c
+++ b/lvgl_helpers.c
@@ -9,6 +9,7 @@
 #include "sdkconfig.h"
 #include "lvgl_helpers.h"
 #include "esp_log.h"
+#include "esp_idf_version.h"
 
 #include "lvgl_tft/disp_spi.h"
 #include "lvgl_touch/tp_spi.h"
@@ -29,6 +30,8 @@
 
  #define TAG "lvgl_helpers"
 
+#define GPIO_NOT_USED   (-1)
+#define DMA_DEFAULT_TRANSFER_SIZE   (0u)
 /**********************
  *      TYPEDEFS
  **********************/
@@ -37,6 +40,13 @@
  *  STATIC PROTOTYPES
  **********************/
 
+/**
+ * Calculates the SPI max transfer size based on the display buffer size
+ *
+ * @return SPI max transfer size in bytes
+ */
+static int calculate_spi_max_transfer_size(const int display_buffer_size);
+
 /**********************
  *  STATIC VARIABLES
  **********************/
@@ -49,8 +59,8 @@
  *   GLOBAL FUNCTIONS
  **********************/
 
-/* Interface and driver initialization */
-void lvgl_driver_init(void)
+/* Interface (SPI, I2C) initialization */
+void lvgl_interface_init(void)
 {
     /* Since LVGL v8 LV_HOR_RES_MAX and LV_VER_RES_MAX are not defined, so
      * print it only if they are defined. */
@@ -58,14 +68,17 @@ void lvgl_driver_init(void)
     ESP_LOGI(TAG, "Display hor size: %d, ver size: %d", LV_HOR_RES_MAX, LV_VER_RES_MAX);
 #endif
 
-    ESP_LOGI(TAG, "Display buffer size: %d", DISP_BUF_SIZE);
+    ESP_LOGI(TAG, "Display buffer size: %d", lvgl_get_display_buffer_size());
 
 #if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
     ESP_LOGI(TAG, "Initializing SPI master for FT81X");
 
+    size_t display_buffer_size = lvgl_get_display_buffer_size();
+    int spi_max_transfer_size = calculate_spi_max_transfer_size(display_buffer_size);
+
     lvgl_spi_driver_init(TFT_SPI_HOST,
         DISP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
-        SPI_BUS_MAX_TRANSFER_SZ, 1,
+        spi_max_transfer_size, SPI_DMA_CH1,
         DISP_SPI_IO2, DISP_SPI_IO3);
 
     disp_spi_add_device(TFT_SPI_HOST);
@@ -77,32 +90,31 @@ void lvgl_driver_init(void)
     return;
 #endif
 
+/* Display controller initialization */
+#if defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI) || defined (SHARED_SPI_BUS)
+    ESP_LOGI(TAG, "Initializing SPI master");
+
+    int miso = DISP_SPI_MISO;
+    size_t display_buffer_size = lvgl_get_display_buffer_size();
+    int spi_max_transfer_size = calculate_spi_max_transfer_size(display_buffer_size);
+
 #if defined (SHARED_SPI_BUS)
-    ESP_LOGI(TAG, "Initializing shared SPI master");
+    miso = TP_SPI_MISO;
+#endif
 
     lvgl_spi_driver_init(TFT_SPI_HOST,
-        TP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
-        SPI_BUS_MAX_TRANSFER_SZ, 1,
-        -1, -1);
+        miso, DISP_SPI_MOSI, DISP_SPI_CLK,
+        spi_max_transfer_size, SPI_DMA_CH1,
+        DISP_SPI_IO2, DISP_SPI_IO3);
 
     disp_spi_add_device(TFT_SPI_HOST);
+#if defined (SHARED_SPI_BUS)
     tp_spi_add_device(TOUCH_SPI_HOST);
-
     touch_driver_init();
 
     return;
 #endif
 
-/* Display controller initialization */
-#if defined CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI
-    ESP_LOGI(TAG, "Initializing SPI master for display");
-
-    lvgl_spi_driver_init(TFT_SPI_HOST,
-        DISP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
-        SPI_BUS_MAX_TRANSFER_SZ, 1,
-        DISP_SPI_IO2, DISP_SPI_IO3);
-
-    disp_spi_add_device(TFT_SPI_HOST);
 #elif defined (CONFIG_LV_I2C_DISPLAY)
 #else
 #error "No protocol defined for display controller"
@@ -115,8 +127,8 @@ void lvgl_driver_init(void)
 
         lvgl_spi_driver_init(TOUCH_SPI_HOST,
             TP_SPI_MISO, TP_SPI_MOSI, TP_SPI_CLK,
-            0 /* Defaults to 4094 */, 2,
-            -1, -1);
+            DMA_DEFAULT_TRANSFER_SIZE, SPI_DMA_CH2,
+            GPIO_NOT_USED, GPIO_NOT_USED);
 
         tp_spi_add_device(TOUCH_SPI_HOST);
 
@@ -157,7 +169,8 @@ void display_bsp_init_io(void)
     ESP_ERROR_CHECK(err);
 #endif
 
-#if !defined(CONFIG_LV_DISP_BACKLIGHT_OFF) && defined(CONFIG_LV_DISP_PIN_BCKL)
+#if !defined(CONFIG_LV_DISP_BACKLIGHT_OFF) && defined(CONFIG_LV_DISP_PIN_BCKL) && \
+    (CONFIG_LV_DISP_PIN_BCKL > 0)
     io_conf.mode = GPIO_MODE_OUTPUT;
     io_conf.pin_bit_mask = (1ULL << CONFIG_LV_DISP_PIN_BCKL);
     err = gpio_config(&io_conf);
@@ -172,6 +185,67 @@ void display_bsp_init_io(void)
 #endif
 }
 
+/* DISP_BUF_SIZE value doesn't have an special meaning, but it's the size
+ * of the buffer(s) passed to LVGL as display buffers. The default values used
+ * were the values working for the contributor of the display controller.
+ *
+ * As LVGL supports partial display updates the DISP_BUF_SIZE doesn't
+ * necessarily need to be equal to the display size.
+ *
+ * When using RGB displays the display buffer size will also depends on the
+ * color format being used, for RGB565 each pixel needs 2 bytes.
+ * When using the mono theme, the display pixels can be represented in one bit,
+ * so the buffer size can be divided by 8, e.g. see SSD1306 display size. */
+size_t lvgl_get_display_buffer_size(void)
+{
+    size_t disp_buffer_size = 0;
+
+#if LVGL_VERSION_MAJOR < 8
+#if defined (CONFIG_CUSTOM_DISPLAY_BUFFER_SIZE)
+    disp_buffer_size = CONFIG_CUSTOM_DISPLAY_BUFFER_BYTES;
+#else
+    /* Calculate total of 40 lines of display horizontal size */
+#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789)   ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7796S)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357)   ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9486)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341)  ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)    ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875)   ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_GC9A01)   ||  \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C)
+    disp_buffer_size = LV_HOR_RES_MAX * 40;
+#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107
+    disp_buffer_size = LV_HOR_RES_MAX * LV_VER_RES_MAX;
+#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_SSD1306
+#if defined (CONFIG_LV_THEME_MONO)
+    disp_buffer_size = LV_HOR_RES_MAX * (LV_VER_RES_MAX / 8);
+#else
+    disp_buffer_size = LV_HOR_RES_MAX * LV_VER_RES_MAX);
+#endif
+#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_IL3820)
+    disp_buffer_size = LV_VER_RES_MAX * IL3820_COLUMNS;
+#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_JD79653A)
+    disp_buffer_size = ((LV_VER_RES_MAX * LV_VER_RES_MAX) / 8); // 5KB
+#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_UC8151D)
+    disp_buffer_size = ((LV_VER_RES_MAX * LV_VER_RES_MAX) / 8); // 2888 bytes
+#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_PCD8544)
+    disp_buffer_size = (LV_HOR_RES_MAX * (LV_VER_RES_MAX / 8));
+#else
+#error "No display controller selected"
+#endif
+#endif
+
+#else /* LVGL v8 */
+    /* ToDo: Implement display buffer size calculation with configuration values from the display driver */
+#endif
+
+    return disp_buffer_size;
+}
+
 /* Initialize spi bus master
  *
  * NOTE: dma_chan type and value changed to int instead of spi_dma_chan_t
@@ -180,13 +254,18 @@ void display_bsp_init_io(void)
  * We could use the ESP_IDF_VERSION_VAL macro available in the "esp_idf_version.h"
  * header available since ESP-IDF v4.
  */
-bool lvgl_spi_driver_init(int host,
+bool lvgl_spi_driver_init(spi_host_device_t host,
     int miso_pin, int mosi_pin, int sclk_pin,
     int max_transfer_sz,
     int dma_channel,
     int quadwp_pin, int quadhd_pin)
 {
-    assert((0 <= host) && (SPI_HOST_MAX > host));
+#if defined (SPI_HOST_MAX)
+    assert((SPI1_HOST <= host) && (SPI_HOST_MAX > host));
+#else
+    assert((SPI1_HOST <= host) && ((SPI3_HOST + 1) > host));
+#endif
+
     const char *spi_names[] = {
         "SPI1_HOST", "SPI2_HOST", "SPI3_HOST"
     };
@@ -210,9 +289,38 @@ bool lvgl_spi_driver_init(int host,
     #if defined (CONFIG_IDF_TARGET_ESP32C3)
     dma_channel = SPI_DMA_CH_AUTO;
     #endif
-    
+
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
     esp_err_t ret = spi_bus_initialize(host, &buscfg, (spi_dma_chan_t)dma_channel);
+#else
+    esp_err_t ret = spi_bus_initialize(host, &buscfg, dma_channel);
+#endif
+    
     assert(ret == ESP_OK);
 
     return ESP_OK != ret;
 }
+
+static int calculate_spi_max_transfer_size(const int display_buffer_size)
+{
+    int retval = 0;
+    
+#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481) || \
+    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488)
+    retval = display_buffer_size * 3;
+#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341)  || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789)   || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S)  || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357)   || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107)   || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)    || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_IL3820)   || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_JD79653A) || \
+      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C)
+    retval = display_buffer_size * 2;
+#else
+    retval = display_buffer_size * 2;
+#endif
+    
+    return retval;
+}
diff --git a/lvgl_helpers.h b/lvgl_helpers.h
index 5c5a17a..ca73431 100644
--- a/lvgl_helpers.h
+++ b/lvgl_helpers.h
@@ -14,6 +14,8 @@ extern "C" {
  *********************/
 #include <stdbool.h>
 
+#include "driver/spi_common.h"
+
 #include "lvgl_spi_conf.h"
 #include "lvgl_tft/disp_driver.h"
 #include "lvgl_tft/esp_lcd_backlight.h"
@@ -23,66 +25,6 @@ extern "C" {
  *      DEFINES
  *********************/
 
-/* DISP_BUF_SIZE value doesn't have an special meaning, but it's the size
- * of the buffer(s) passed to LVGL as display buffers. The default values used
- * were the values working for the contributor of the display controller.
- *
- * As LVGL supports partial display updates the DISP_BUF_SIZE doesn't
- * necessarily need to be equal to the display size.
- *
- * When using RGB displays the display buffer size will also depends on the
- * color format being used, for RGB565 each pixel needs 2 bytes.
- * When using the mono theme, the display pixels can be represented in one bit,
- * so the buffer size can be divided by 8, e.g. see SSD1306 display size. */
-#if defined (CONFIG_CUSTOM_DISPLAY_BUFFER_SIZE)
-#define DISP_BUF_SIZE   CONFIG_CUSTOM_DISPLAY_BUFFER_BYTES
-#else
-#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789)
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7796S
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * LV_VER_RES_MAX)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9486
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_SSD1306
-#if defined (CONFIG_LV_THEME_MONO)
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * (LV_VER_RES_MAX / 8))
-#else
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * LV_VER_RES_MAX)
-#endif
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
-#define DISP_BUF_LINES  40
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * DISP_BUF_LINES)
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_IL3820)
-#define DISP_BUF_SIZE (LV_VER_RES_MAX * IL3820_COLUMNS)
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_GC9A01)
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * 40)
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_JD79653A)
-#define DISP_BUF_SIZE ((LV_VER_RES_MAX * LV_VER_RES_MAX) / 8) // 5KB
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_UC8151D)
-#define DISP_BUF_SIZE ((LV_VER_RES_MAX * LV_VER_RES_MAX) / 8) // 2888 bytes
-#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C
-#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 40)
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_PCD8544)
-#define DISP_BUF_SIZE  (LV_HOR_RES_MAX * (LV_VER_RES_MAX / 8))
-#else
-#error "No display controller selected"
-#endif
-#endif
-
 /**********************
  *      TYPEDEFS
  **********************/
@@ -94,14 +36,18 @@ extern "C" {
 void lvgl_i2c_locking(void* leader);
 
 /* Initialize detected SPI and I2C bus and devices */
-void lvgl_driver_init(void);
+void lvgl_interface_init(void);
 
 /* Initialize SPI master  */
-bool lvgl_spi_driver_init(int host, int miso_pin, int mosi_pin, int sclk_pin,
+bool lvgl_spi_driver_init(spi_host_device_t host, int miso_pin, int mosi_pin, int sclk_pin,
     int max_transfer_sz, int dma_channel, int quadwp_pin, int quadhd_pin);
 
 /* Initialize display GPIOs, e.g. DC and RST pins */
 void display_bsp_init_io(void);
+
+/* Get display buffer size */
+size_t lvgl_get_display_buffer_size(void);
+
 /**********************
  *      MACROS
  **********************/
diff --git a/lvgl_spi_conf.h b/lvgl_spi_conf.h
index 662be98..34e784f 100644
--- a/lvgl_spi_conf.h
+++ b/lvgl_spi_conf.h
@@ -114,27 +114,6 @@ extern "C" {
 /**********************
  *      TYPEDEFS
  **********************/
-#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9481) || \
-    defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9488)
-
-#define SPI_BUS_MAX_TRANSFER_SZ (DISP_BUF_SIZE * 3)
-
-#elif defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9341)  || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7789)   || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7735S)  || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_HX8357)   || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_SH1107)   || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)    || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_IL3820)   || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_JD79653A) || \
-      defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_ILI9163C)
-
-#define SPI_BUS_MAX_TRANSFER_SZ (DISP_BUF_SIZE * 2)
-
-#else
-#define SPI_BUS_MAX_TRANSFER_SZ (DISP_BUF_SIZE * 2)
-#endif
-
 #if defined (CONFIG_LV_TFT_USE_CUSTOM_SPI_CLK_DIVIDER)
 #define SPI_TFT_CLOCK_SPEED_HZ ((80 * 1000 * 1000) / CONFIG_LV_TFT_CUSTOM_SPI_CLK_DIVIDER)
 #else
diff --git a/lvgl_tft/EVE_commands.c b/lvgl_tft/EVE_commands.c
index 8765609..90c347f 100644
--- a/lvgl_tft/EVE_commands.c
+++ b/lvgl_tft/EVE_commands.c
@@ -267,7 +267,13 @@ void EVE_memWrite_buffer(uint32_t ftAddress, const uint8_t *data, uint32_t len,
 	uint32_t bytes_left = len;
 	while(bytes_left > 0)
 	{
-		uint32_t block_len = (bytes_left > SPI_TRANSER_SIZE ? SPI_TRANSER_SIZE : bytes_left);
+        uint32_t block_len = 0;
+        
+#if defined (SPI_TRANSFER_SIZE)
+		block_len = (bytes_left > SPI_TRANSER_SIZE ? SPI_TRANSER_SIZE : bytes_left);
+#else
+        /* ToDo Update SPI_TRANSFER_SIZE calculation, it's based on the DISP_BUF_SIZE */
+#endif
 
 		// only send flush on last chunk
 		disp_spi_send_flag_t flush_flag = 0;
diff --git a/lvgl_tft/EVE_config.h b/lvgl_tft/EVE_config.h
index a15e746..af7e305 100644
--- a/lvgl_tft/EVE_config.h
+++ b/lvgl_tft/EVE_config.h
@@ -51,7 +51,11 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR TH
 #define EVE_PDN		    CONFIG_LV_DISP_PIN_RST	// grey
 #define EVE_USE_PDN		CONFIG_LV_DISP_USE_RST
 
+#if defined (DISP_BUF_SIZE)
 #define SPI_TRANSER_SIZE (DISP_BUF_SIZE * (LV_COLOR_DEPTH / 8))
+#else
+    /* ToDo Update using new API */
+#endif
 
 #define BYTES_PER_PIXEL (LV_COLOR_DEPTH / 8)	// bytes per pixel for (16 for RGB565)
 #define BYTES_PER_LINE (EVE_HSIZE * BYTES_PER_PIXEL)
diff --git a/lvgl_tft/il3820.h b/lvgl_tft/il3820.h
index f77ffb4..d175c5d 100644
--- a/lvgl_tft/il3820.h
+++ b/lvgl_tft/il3820.h
@@ -20,8 +20,19 @@ extern "C"
 
 /* Values for Waveshare 2.9inch e-Paper Module, this values shouldn't be
  * swapped to change display orientation */
+#if defined (LV_HOR_RES_MAX)
 #define EPD_PANEL_WIDTH         LV_HOR_RES_MAX   /* 128 */
+#else
+    /* Fallback to default value */
+#define EPD_PANEL_WIDTH         128u
+#endif
+
+#if defined (LV_VER_RES_MAX)
 #define EPD_PANEL_HEIGHT        LV_VER_RES_MAX  /* 296 */
+#else
+    /* Fallback to default value */
+#define EPD_PANEL_HEIGHT        296u
+#endif
 
 /* 128 = panel width */
 #define IL3820_COLUMNS          (EPD_PANEL_WIDTH / 8)
diff --git a/lvgl_tft/jd79653a.c b/lvgl_tft/jd79653a.c
index 4872266..a9e5590 100644
--- a/lvgl_tft/jd79653a.c
+++ b/lvgl_tft/jd79653a.c
@@ -44,9 +44,24 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR TH
 #define PIN_BUSY            CONFIG_LV_DISP_PIN_BUSY
 #define PIN_BUSY_BIT        ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_BUSY)))
 #define EVT_BUSY            (1UL << 0UL)
+
+#if defined (LV_HOR_RES_MAX)
 #define EPD_WIDTH           LV_HOR_RES_MAX
+#else
+    /* ToDo Remove magic number */
+#define EPD_WIDTH           256u
+#endif
+
+#if defined (LV_VER_RES_MAX)
 #define EPD_HEIGHT          LV_VER_RES_MAX
+#else
+    /* ToDo Remove magic number */
+#define EPD_HEIGHT          128u
+#endif
+
 #define EPD_ROW_LEN         (EPD_HEIGHT / 8u)
+
+/* ToDo Remove semicolon */
 #define EPD_PARTIAL_CNT     5;
 
 #define BIT_SET(a, b)       ((a) |= (1U << (b)))
@@ -200,21 +215,21 @@ static esp_err_t jd79653a_wait_busy(uint32_t timeout_ms)
     return ((bits & EVT_BUSY) != 0) ? ESP_OK : ESP_ERR_TIMEOUT;
 }
 
-static void jd79653a_power_on()
+static void jd79653a_power_on(void)
 {
     jd79653a_spi_send_seq(power_on_seq, EPD_SEQ_LEN(power_on_seq));
     vTaskDelay(pdMS_TO_TICKS(10));
     jd79653a_wait_busy(0);
 }
 
-static void jd79653a_power_off()
+static void jd79653a_power_off(void)
 {
     jd79653a_spi_send_seq(power_off_seq, EPD_SEQ_LEN(power_off_seq));
     vTaskDelay(pdMS_TO_TICKS(10));
     jd79653a_wait_busy(0);
 }
 
-static void jd79653a_load_partial_lut()
+static void jd79653a_load_partial_lut(void)
 {
     jd79653a_spi_send_cmd(0x20); // LUT VCOM register
     jd79653a_spi_send_data((uint8_t *)lut_vcom_dc1, sizeof(lut_vcom_dc1));
@@ -232,7 +247,7 @@ static void jd79653a_load_partial_lut()
     jd79653a_spi_send_data((uint8_t *)lut_bb1, sizeof(lut_bb1));
 }
 
-static void jd79653a_partial_in()
+static void jd79653a_partial_in(void)
 {
     LV_LOG_INFO("Partial in!");
 
@@ -260,7 +275,7 @@ static void jd79653a_partial_in()
     jd79653a_spi_send_cmd(0x91);
 }
 
-static void jd79653a_partial_out()
+static void jd79653a_partial_out(void)
 {
     LV_LOG_INFO("Partial out!");
 
@@ -378,7 +393,7 @@ void jd79653a_fb_full_update(uint8_t *data, size_t len)
     jd79653a_power_off();
 }
 
-void jd79653a_lv_set_fb_cb(struct _disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void jd79653a_lv_set_fb_cb(lv_disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
                            lv_color_t color, lv_opa_t opa)
 {
     uint16_t byte_index = (x >> 3u) + (y * EPD_ROW_LEN);
@@ -391,7 +406,7 @@ void jd79653a_lv_set_fb_cb(struct _disp_drv_t *disp_drv, uint8_t *buf, lv_coord_
     }
 }
 
-void jd79653a_lv_rounder_cb(struct _disp_drv_t *disp_drv, lv_area_t *area)
+void jd79653a_lv_rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area)
 {
     // Always send full framebuffer if it's not in partial mode
     area->x1 = 0;
@@ -419,7 +434,7 @@ void jd79653a_lv_fb_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t
     lv_disp_flush_ready(drv);
 }
 
-void jd79653a_deep_sleep()
+void jd79653a_deep_sleep(void)
 {
     jd79653a_spi_send_seq(power_off_seq, EPD_SEQ_LEN(power_off_seq));
     jd79653a_wait_busy(1000);
@@ -429,7 +444,7 @@ void jd79653a_deep_sleep()
     jd79653a_spi_send_data(&check_code, sizeof(check_code));
 }
 
-void jd79653a_init()
+void jd79653a_init(void)
 {
     // Initialise event group
     jd79653a_evts = xEventGroupCreate();
diff --git a/lvgl_tft/jd79653a.h b/lvgl_tft/jd79653a.h
index 6a2065a..b25e805 100644
--- a/lvgl_tft/jd79653a.h
+++ b/lvgl_tft/jd79653a.h
@@ -17,12 +17,12 @@ extern "C"
 #include "lvgl/lvgl.h"
 #endif
 
-void jd79653a_init();
-void jd79653a_deep_sleep();
+void jd79653a_init(void);
+void jd79653a_deep_sleep(void);
 
-void jd79653a_lv_set_fb_cb(struct _disp_drv_t * disp_drv, uint8_t* buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void jd79653a_lv_set_fb_cb(lv_disp_drv_t * disp_drv, uint8_t* buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
                                                  lv_color_t color, lv_opa_t opa);
-void jd79653a_lv_rounder_cb(struct _disp_drv_t * disp_drv, lv_area_t *area);
+void jd79653a_lv_rounder_cb(lv_disp_drv_t * disp_drv, lv_area_t *area);
 void jd79653a_lv_fb_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
 
 void jd79653a_fb_set_full_color(uint8_t color);
diff --git a/lvgl_tft/ra8875.c b/lvgl_tft/ra8875.c
index 7021a45..97f0d1e 100644
--- a/lvgl_tft/ra8875.c
+++ b/lvgl_tft/ra8875.c
@@ -26,8 +26,19 @@
 
 #define BYTES_PER_PIXEL (LV_COLOR_DEPTH / 8)
 
+#if defined (LV_HOR_RES_MAX)
 #define HDWR_VAL (LV_HOR_RES_MAX/8 - 1)
+#else
+    /* ToDo Remove magic number 256u */
+#define HDWR_VAL (256u/8u - 1u)
+#endif
+
+#if defined (LV_VER_RES_MAX)
 #define VDHR_VAL (LV_VER_RES_MAX - 1)
+#else
+    /* ToDo Remove magic number 128u */
+#define VDHR_VAL (128u - 1u)
+#endif
 
 #define VDIR_MASK (1 << 2)
 #define HDIR_MASK (1 << 3)
@@ -234,7 +245,16 @@ void ra8875_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
     // Set window if needed
     if ((x1 != area->x1) || (x2 != area->x2)) {
         LV_LOG_INFO("flush: set window (x1,x2): %d,%d -> %d,%d", x1, x2, area->x1, area->x2);
-        ra8875_set_window(area->x1, area->x2, 0, LV_VER_RES_MAX-1);
+        unsigned int ye = 0;
+
+#if LVGL_VERSION_MAJOR < 8
+        ye = LV_VER_RES_MAX - 1;
+#else
+        /* ToDo Get y end from driver information */
+#endif
+        
+        ra8875_set_window(area->x1, area->x2, 0, ye);
+        
         x1 = area->x1;
         x2 = area->x2;
     }
@@ -248,7 +268,16 @@ void ra8875_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
 
     // Update to future cursor location
     y = area->y2 + 1;
-    if (y >= LV_VER_RES_MAX) {
+    lv_coord_t ver_max = 0;
+    
+#if LVGL_VERSION_MAJOR < 8
+    ver_max = LV_VER_RES_MAX; 
+#else
+    /* ToDo Get vertical max from driver information */
+    ver_max = lv_disp_get_ver_res((lv_disp_t *) drv);
+#endif
+    
+    if (y >= ver_max) {
         y = 0;
     }
 
diff --git a/lvgl_tft/sh1107.c b/lvgl_tft/sh1107.c
index 6f787b2..84ab65c 100644
--- a/lvgl_tft/sh1107.c
+++ b/lvgl_tft/sh1107.c
@@ -35,6 +35,9 @@ static void sh1107_send_cmd(uint8_t cmd);
 static void sh1107_send_data(void * data, uint16_t length);
 static void sh1107_send_color(void * data, uint16_t length);
 
+static lv_coord_t get_display_ver_res(lv_disp_drv_t *disp_drv);
+static lv_coord_t get_display_hor_res(lv_disp_drv_t *disp_drv);
+
 /**********************
  *  STATIC VARIABLES
  **********************/
@@ -117,7 +120,7 @@ void sh1107_init(void)
 	}
 }
 
-void sh1107_set_px_cb(struct _disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void sh1107_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
         lv_color_t color, lv_opa_t opa)
 {
 	/* buf_w will be ignored, the configured CONFIG_LV_DISPLAY_HEIGHT and _WIDTH,
@@ -126,10 +129,10 @@ void sh1107_set_px_cb(struct _disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t b
     uint8_t  bit_index = 0;
 
 #if defined CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
-	byte_index = y + (( x>>3 ) * LV_VER_RES_MAX);
+	byte_index = y + (( x>>3 ) * get_display_ver_res(disp_drv));
 	bit_index  = x & 0x7;
 #elif defined CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT
-    byte_index = x + (( y>>3 ) * LV_HOR_RES_MAX);
+    byte_index = x + (( y>>3 ) * get_display_hor_res(disp_drv));
     bit_index  = y & 0x7;
 #endif
 
@@ -161,9 +164,9 @@ void sh1107_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
 	    sh1107_send_cmd(0xB0 | i);                  // Set Page Start Address for Page Addressing Mode
 	    size = area->y2 - area->y1 + 1;
 #if defined CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
-        ptr = color_map + i * LV_VER_RES_MAX;
+        ptr = color_map + i * get_display_ver_res(drv);
 #else
-        ptr = color_map + i * LV_HOR_RES_MAX;
+        ptr = color_map + i * get_display_hor_res(drv);
 #endif
         if(i != row2){
 	    sh1107_send_data( (void *) ptr, size);
@@ -174,21 +177,21 @@ void sh1107_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * colo
     }
 }
 
-void sh1107_rounder(struct _disp_drv_t * disp_drv, lv_area_t *area)
+void sh1107_rounder(lv_disp_drv_t * disp_drv, lv_area_t *area)
 {
     // workaround: always send complete size display buffer
     area->x1 = 0;
     area->y1 = 0;
-    area->x2 = LV_HOR_RES_MAX-1;
-    area->y2 = LV_VER_RES_MAX-1;
+    area->x2 = get_display_hor_res(disp_drv) - 1;
+    area->y2 = get_display_ver_res(disp_drv) - 1;
 }
 
-void sh1107_sleep_in()
+void sh1107_sleep_in(void)
 {
     sh1107_send_cmd(0xAE);
 }
 
-void sh1107_sleep_out()
+void sh1107_sleep_out(void)
 {
     sh1107_send_cmd(0xAF);
 }
@@ -218,3 +221,39 @@ static void sh1107_send_color(void * data, uint16_t length)
     gpio_set_level(SH1107_DC, 1);   /*Data mode*/
     disp_spi_send_colors(data, length);
 }
+
+static lv_coord_t get_display_ver_res(lv_disp_drv_t *disp_drv)
+{
+    lv_coord_t val = 0;
+
+#if LVGL_VERSION_MAJOR < 8
+#if defined CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
+    val = LV_VER_RES_MAX;
+#endif
+#else
+    /* ToDo Use display rotation API to get vertical size */
+#if defined CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
+    val = lv_disp_get_ver_res((lv_disp_t *) disp_drv);
+#endif
+#endif
+
+    return val;
+}
+
+static lv_coord_t get_display_hor_res(lv_disp_drv_t *disp_drv)
+{
+    lv_coord_t val = 0;
+
+#if LVGL_VERSION_MAJOR < 8
+#if defined CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT
+    val = LV_HOR_RES_MAX;
+#endif
+#else
+    /* ToDo Use display rotation API to get horizontal size */
+#if defined CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT
+    val = lv_disp_get_hor_res((lv_disp_t *) disp_drv);
+#endif
+#endif
+
+    return val;
+}
diff --git a/lvgl_tft/sh1107.h b/lvgl_tft/sh1107.h
index ba77a61..20beda3 100644
--- a/lvgl_tft/sh1107.h
+++ b/lvgl_tft/sh1107.h
@@ -39,8 +39,8 @@ extern "C" {
 
 void sh1107_init(void);
 void sh1107_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map);
-void sh1107_rounder(struct _disp_drv_t * disp_drv, lv_area_t *area);
-void sh1107_set_px_cb(struct _disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void sh1107_rounder(lv_disp_drv_t * disp_drv, lv_area_t *area);
+void sh1107_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
     lv_color_t color, lv_opa_t opa);
 void sh1107_sleep_in(void);
 void sh1107_sleep_out(void);
diff --git a/lvgl_tft/uc8151d.c b/lvgl_tft/uc8151d.c
index c0b67f3..472fc3d 100644
--- a/lvgl_tft/uc8151d.c
+++ b/lvgl_tft/uc8151d.c
@@ -45,8 +45,21 @@
 #define PIN_BUSY            CONFIG_LV_DISP_PIN_BUSY
 #define PIN_BUSY_BIT        ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_BUSY)))
 #define EVT_BUSY            (1UL << 0UL)
+
+#if defined (LV_HOR_RES_MAX)
 #define EPD_WIDTH           LV_HOR_RES_MAX
+#else
+    /* ToDo Fix, 256 is just a magic number */
+#define EPD_WIDTH           256u
+#endif
+
+#if defined (LV_VER_RES_MAX)
 #define EPD_HEIGHT          LV_VER_RES_MAX
+#else
+    /* ToDo Fix, 128 is just a magic number */
+#define EPD_HEIGHT          128u
+#endif
+
 #define EPD_ROW_LEN         (EPD_HEIGHT / 8u)
 
 #define BIT_SET(a, b)       ((a) |= (1U << (b)))
@@ -105,7 +118,7 @@ static esp_err_t uc8151d_wait_busy(uint32_t timeout_ms)
     return ((bits & EVT_BUSY) != 0) ? ESP_OK : ESP_ERR_TIMEOUT;
 }
 
-static void uc8151d_sleep()
+static void uc8151d_sleep(void)
 {
     // Set VCOM to 0xf7
     uc8151d_spi_send_cmd(0x50);
@@ -122,7 +135,7 @@ static void uc8151d_sleep()
 
 static void uc8151d_reset(void);
 
-static void uc8151d_panel_init()
+static void uc8151d_panel_init(void)
 {
     // Hardware reset for 3 times - not sure why but it's from official demo code
     for (uint8_t cnt = 0; cnt < 3; cnt++) {
@@ -186,7 +199,7 @@ void uc8151d_lv_fb_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *
     LV_LOG_INFO("Ready");
 }
 
-void uc8151d_lv_set_fb_cb(struct _disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void uc8151d_lv_set_fb_cb(lv_disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
                            lv_color_t color, lv_opa_t opa)
 {
     uint16_t byte_index = (x >> 3u) + (y * EPD_ROW_LEN);
@@ -200,7 +213,7 @@ void uc8151d_lv_set_fb_cb(struct _disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t
     }
 }
 
-void uc8151d_lv_rounder_cb(struct _disp_drv_t *disp_drv, lv_area_t *area)
+void uc8151d_lv_rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area)
 {
     // Always send full framebuffer if it's not in partial mode
     area->x1 = 0;
@@ -209,7 +222,7 @@ void uc8151d_lv_rounder_cb(struct _disp_drv_t *disp_drv, lv_area_t *area)
     area->y2 = EPD_HEIGHT - 1;
 }
 
-void uc8151d_init()
+void uc8151d_init(void)
 {
     // Initialise event group
     uc8151d_evts = xEventGroupCreate();
diff --git a/lvgl_tft/uc8151d.h b/lvgl_tft/uc8151d.h
index e637f0e..3a27f8f 100644
--- a/lvgl_tft/uc8151d.h
+++ b/lvgl_tft/uc8151d.h
@@ -29,11 +29,11 @@
 
 #include <lvgl.h>
 
-void uc8151d_init();
-void uc8151d_lv_set_fb_cb(struct _disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+void uc8151d_init(void);
+void uc8151d_lv_set_fb_cb(lv_disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
                           lv_color_t color, lv_opa_t opa);
 
-void uc8151d_lv_rounder_cb(struct _disp_drv_t *disp_drv, lv_area_t *area);
+void uc8151d_lv_rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area);
 void uc8151d_lv_fb_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
 
 #endif //LVGL_DEMO_UC8151D_H