diff --git a/src/dma.c b/src/dma.c
--- a/src/dma.c
+++ b/src/dma.c
@@ -1,55 +1,6 @@
-/**
-  ******************************************************************************
-  * File Name          : dma.c
-  * Description        : This file provides code for the configuration
-  *                      of all the requested memory to memory DMA transfers.
-  ******************************************************************************
-  *
-  * COPYRIGHT(c) 2016 STMicroelectronics
-  *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  *
-  ******************************************************************************
-  */
-/* 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) 
+void dma_init(void) 
 {
   /* DMA controller clock enable */
   __DMA1_CLK_ENABLE();
@@ -60,16 +11,3 @@ void MX_DMA_Init(void)
 
 }
 
-/* USER CODE BEGIN 2 */
-
-/* USER CODE END 2 */
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/