显示信息

cubemx/Src/main.c

@@ -256,10 +256,10 @@ static void MX_DMA2D_Init(void)
   /* USER CODE END DMA2D_Init 1 */
   hdma2d.Instance = DMA2D;
   hdma2d.Init.Mode = DMA2D_M2M;
-  hdma2d.Init.ColorMode = DMA2D_OUTPUT_RGB888;
+  hdma2d.Init.ColorMode = DMA2D_OUTPUT_RGB565;
   hdma2d.Init.OutputOffset = 0;
   hdma2d.LayerCfg[1].InputOffset = 0;
-  hdma2d.LayerCfg[1].InputColorMode = DMA2D_INPUT_RGB888;
+  hdma2d.LayerCfg[1].InputColorMode = DMA2D_INPUT_RGB565;
   hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
   hdma2d.LayerCfg[1].InputAlpha = 0;
   hdma2d.LayerCfg[1].AlphaInverted = DMA2D_REGULAR_ALPHA;

cubemx/Src/stm32h7xx_it.c

@@ -55,6 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern DMA2D_HandleTypeDef hdma2d;
 extern LTDC_HandleTypeDef hltdc;
 extern QSPI_HandleTypeDef hqspi;
 extern SD_HandleTypeDef hsd1;
@@ -229,6 +230,20 @@ void LTDC_IRQHandler(void)
   /* USER CODE END LTDC_IRQn 1 */
 }
 
+/**
+  * @brief This function handles DMA2D global interrupt.
+  */
+void DMA2D_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA2D_IRQn 0 */
+
+  /* USER CODE END DMA2D_IRQn 0 */
+  HAL_DMA2D_IRQHandler(&hdma2d);
+  /* USER CODE BEGIN DMA2D_IRQn 1 */
+
+  /* USER CODE END DMA2D_IRQn 1 */
+}
+
 /**
   * @brief This function handles QUADSPI global interrupt.
   */