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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
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