【添加】dma_config 文件

bsp/stm32/libraries/HAL_Drivers/config/f3/dma_config.h

+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-01-02     zylx         first version
+ * 2019-01-08     SummerGift   clean up the code
+ */
+
+#ifndef __DMA_CONFIG_H__
+#define __DMA_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(BSP_UART2_RX_USING_DMA) && !defined(UART2_RX_DMA_INSTANCE)
+#define UART2_DMA_RX_IRQHandler          DMA1_Channel5_IRQHandler
+#define UART2_RX_DMA_RCC                 RCC_AHBENR_DMA1EN
+#define UART2_RX_DMA_INSTANCE            DMA1_Channel5
+#define UART2_RX_DMA_CHANNEL             DMA1_Channel5_BASE
+#define UART2_RX_DMA_IRQ                 DMA1_Channel5_IRQn
+#endif
+
+#if defined(BSP_UART2_TX_USING_DMA) && !defined(UART2_TX_DMA_INSTANCE)
+#define UART2_DMA_TX_IRQHandler          DMA1_Channel6_IRQHandler
+#define UART2_TX_DMA_RCC                 RCC_AHBENR_DMA1EN
+#define UART2_TX_DMA_INSTANCE            DMA1_Channel6
+#define UART2_TX_DMA_CHANNEL             DMA1_Channel6_BASE
+#define UART2_TX_DMA_IRQ                 DMA1_Channel6_IRQn
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DMA_CONFIG_H__ */