2012-09-13 20:32:24 +02:00
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/************************************************************************************
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* arch/arm/src/str71x/str71x_adc12.h
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STR71X_STR71X_ADC12_H
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#define __ARCH_ARM_SRC_STR71X_STR71X_ADC12_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "str71x_map.h"
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/************************************************************************************
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* Pre-procesor Definitions
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************************************************************************************/
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/* ADC12 registers ******************************************************************/
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#define STR71X_ADC12_DATA0 (STR71X_ADC12_BASE + 0x0000) /* 16-bits wide */
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#define STR71X_ADC12_DATA1 (STR71X_ADC12_BASE + 0x0008) /* 16-bits wide */
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#define STR71X_ADC12_DATA2 (STR71X_ADC12_BASE + 0x0010) /* 16-bits wide */
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#define STR71X_ADC12_DATA3 (STR71X_ADC12_BASE + 0x0018) /* 16-bits wide */
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#define STR71X_ADC12_CSR (STR71X_ADC12_BASE + 0x0020) /* 16-bits wide */
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#define STR71X_ADC12_CPR (STR71X_ADC12_BASE + 0x0030) /* 16-bits wide */
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/* Register bit settings ************************************************************/
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/* ADC12 Conversion modes */
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#define STR71X_ADC12_SINGLE (0)
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#define STR71X_ADC12_ROUND (1)
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/* ADC12 Channels */
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#define STR71X_ADC12_CHANNEL0 (0x00)
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#define STR71X_ADC12_CHANNEL1 (0x10)
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#define STR71X_ADC12_CHANNEL2 (0x20)
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#define STR71X_ADC12_CHANNEL3 (0x30)
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/* ADC12 control status register */
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#define STR71X_ADC12_DA0 (0x0001)
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#define STR71X_ADC12_DA1 (0x0002)
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#define STR71X_ADC12_DA2 (0x0004)
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#define STR71X_ADC12_DA3 (0x0008)
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#define STR71X_ADC12_OR (0x2000)
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/* Interrupt bits for channel n */
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#define STR71X_ADC12_IT0 (0x0100)
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#define STR71X_ADC12_IT1 (0x0200)
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#define STR71X_ADC12_IT2 (0x0400)
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#define STR71X_ADC12_IT3 (0x0800)
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#define STR71X_ADC12_ITALL (0x0f00)
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/* Mode selection */
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#define STR71X_ADC12_MODE (0x0040)
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/* Converter configuration */
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#define STR71X_ADC12_START (0x0020)
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#endif /* __ARCH_ARM_SRC_STR71X_STR71X_ADC12_H */
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