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diff --git a/libmaple/stm32f1/include/series/dac.h b/libmaple/stm32f1/include/series/dac.h
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+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file libmaple/stm32f1/include/series/dac.h
+ * @brief STM32F1 DAC support
+ */
+
+#ifndef _LIBMAPLE_STM32F1_DAC_H_
+#define _LIBMAPLE_STM32F1_DAC_H_
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <libmaple/libmaple_types.h>
+
+/** STM32F1 DAC register map type. */
+typedef struct dac_reg_map {
+    __io uint32 CR;      /**< Control register */
+    __io uint32 SWTRIGR; /**< Software trigger register */
+    __io uint32 DHR12R1; /**< Channel 1 12-bit right-aligned data
+                              holding register */
+    __io uint32 DHR12L1; /**< Channel 1 12-bit left-aligned data
+                              holding register */
+    __io uint32 DHR8R1;  /**< Channel 1 8-bit left-aligned data
+                              holding register */
+    __io uint32 DHR12R2; /**< Channel 2 12-bit right-aligned data
+                              holding register */
+    __io uint32 DHR12L2; /**< Channel 2 12-bit left-aligned data
+                              holding register */
+    __io uint32 DHR8R2;  /**< Channel 2 8-bit left-aligned data
+                              holding register */
+    __io uint32 DHR12RD; /**< Dual DAC 12-bit right-aligned data
+                              holding register */
+    __io uint32 DHR12LD; /**< Dual DAC 12-bit left-aligned data
+                              holding register */
+    __io uint32 DHR8RD;  /**< Dual DAC 8-bit right-aligned data holding
+                              register */
+    __io uint32 DOR1;    /**< Channel 1 data output register */
+    __io uint32 DOR2;    /**< Channel 2 data output register */
+} dac_reg_map;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif