diff --git a/mlx90640/stm32_hx8347d_lcd.c b/mlx90640/stm32_hx8347d_lcd.c
index 97af836..7c9a418 100644
--- a/mlx90640/stm32_hx8347d_lcd.c
+++ b/mlx90640/stm32_hx8347d_lcd.c
@@ -1276,6 +1276,7 @@ uint16_t LCD_IO_ReadData(uint16_t LCDReg){
 void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size)
 {
   uint32_t counter = 0;
+  HAL_StatusTypeDef status = HAL_OK;
   
   /* Reset LCD control line CS */
   LCD_CS_LOW();
@@ -1291,6 +1292,15 @@ void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size)
   }
   else
 	{
+	  while (Size >0) {
+		  uint16_t chunk_size = Size > 65535 ? 65535 : Size;
+		  HAL_SPI_Transmit(&hspi1, pData, chunk_size, HAL_MAX_DELAY);
+
+		  pData += chunk_size;
+		  Size -= chunk_size;
+		  /* Check the communication status */
+	  }
+#if 0
     /* Several data should be sent in a raw */
     /* Direct SPI accesses for optimization */
     for (counter = Size; counter != 0; counter--)
@@ -1312,7 +1322,8 @@ void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size)
     /* Wait until the bus is ready before releasing Chip select */ 
     while(((hspi1.Instance->SR) & SPI_FLAG_BSY) != RESET)
 		{
-		} 
+		}
+#endif
   } 
   
   /* Deselect : Chip Select high */