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diff --git a/libmaple/stm32f2/include/series/dac.h b/libmaple/stm32f2/include/series/dac.h
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--- a/libmaple/stm32f2/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/stm32f2/include/series/dac.h
- * @brief STM32F2 DAC support
- */
-
-#ifndef _LIBMAPLE_STM32F2_DAC_H_
-#define _LIBMAPLE_STM32F2_DAC_H_
-
-#ifdef __cplusplus
-extern "C"{
-#endif
-
-#include <libmaple/libmaple_types.h>
-
-/*
- * Register map type
- */
-
-/** STM32F2 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 */
- __io uint32 SR; /**< Status register */
-} dac_reg_map;
-
-/*
- * Register bit definitions
- */
-
-/* Control register */
-
-#define DAC_CR_DMAUDRIE1 (1U << 13) /* Channel 1 DMA underrun
- * interrupt enable */
-#define DAC_CR_DMAUDRIE2 (1U << 29) /* Channel 2 DMA underrun
- * interrupt enable */
-
-/* Status register */
-
-#define DAC_SR_DMAUDR1 (1U << 13) /* Channel 1 DMA underrun
- * occurred */
-#define DAC_SR_DMAUDR2 (1U << 29) /* Channel 2 DMA underrun
- * ocurred */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif