From 2f2a508788733f37cb1a476152978b3a7d8c6516 Mon Sep 17 00:00:00 2001
From: Timothy Yin <master@uniiem.com>
Date: Fri, 9 May 2025 01:07:17 +0800
Subject: [PATCH] feat: add DMA support

---
 Core/Inc/dma.h | 52 ++++++++++++++++++++++++++++++++++++++++++++
 Core/Src/dma.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 Core/Inc/dma.h
 create mode 100644 Core/Src/dma.c

diff --git a/Core/Inc/dma.h b/Core/Inc/dma.h
new file mode 100644
index 0000000..493d98e
--- /dev/null
+++ b/Core/Inc/dma.h
@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.h
+  * @brief   This file contains all the function prototypes for
+  *          the dma.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DMA_H__
+#define __DMA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* DMA memory to memory transfer handles -------------------------------------*/
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_DMA_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DMA_H__ */
+
diff --git a/Core/Src/dma.c b/Core/Src/dma.c
new file mode 100644
index 0000000..022ce29
--- /dev/null
+++ b/Core/Src/dma.c
@@ -0,0 +1,58 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.c
+  * @brief   This file provides code for the configuration
+  *          of all the requested memory to memory DMA transfers.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "dma.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*----------------------------------------------------------------------------*/
+/* Configure DMA                                                              */
+/*----------------------------------------------------------------------------*/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+  * Enable DMA controller clock
+  */
+void MX_DMA_Init(void)
+{
+
+  /* DMA controller clock enable */
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  /* DMA interrupt init */
+  /* DMA1_Channel2_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
+  /* DMA1_Channel3_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
+
+}
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+