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/****************************************************************************
* arch/arm/src/lc823450/chip/lc823450_adc.h
*
* Copyright 2014,2015,2017 Sony Video & Sound Products Inc.
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* Author: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* Author: Nobutaka Toyoshima <Nobutaka.Toyoshima@jp.sony.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_LC823450_LC823450_ADC_H
#define __ARCH_ARM_SRC_LC823450_LC823450_ADC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Register Offsets *********************************************************/
/* Register Addresses *******************************************************/
#define ADC_REGBASE 0x40087000
#define rADC0DT (ADC_REGBASE + 0x00)
#define rADC1DT (ADC_REGBASE + 0x04)
#define rADC2DT (ADC_REGBASE + 0x08)
#define rADC3DT (ADC_REGBASE + 0x0C)
#define rADC4DT (ADC_REGBASE + 0x10)
#define rADC5DT (ADC_REGBASE + 0x14)
#define rADCCTL (ADC_REGBASE + 0x28)
#define rADCSTS (ADC_REGBASE + 0x2C)
#define rADCSMPL (ADC_REGBASE + 0x30)
#define rADCSTBY (ADC_REGBASE + 0x34)
/* Register Bitfield Definitions ********************************************/
/* ADC Control Register */
#define rADCCTL_fADCNTNU (1 << 9) /* Bit 9: ADC continuous conversion enable */
#define rADCCTL_fADACT (1 << 8) /* Bit 8: ADC activate enable */
#define rADCCTL_fADCHSCN (1 << 7) /* Bit 7: ADC channel scan enable */
#define rADCCTL_fADCNVCK_SHIFT (4)
#define rADCCTL_fADCNVCK_DIV2 (0 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCNVCK_DIV4 (1 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCNVCK_DIV8 (2 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCNVCK_DIV16 (3 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCNVCK_DIV32 (4 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCNVCK_DIV64 (5 << rADCCTL_fADCNVCK_SHIFT)
#define rADCCTL_fADCHST_SHIFT (0)
/* ADC Status Register */
#define rADCSTS_fADCMPL (1 << 0) /* Bit 0: ADC Conversion Completion Flag */
/* ADC Standby Register */
#define rADCSTBY_STBY (1 << 0) /* Bit 0: Standby enable */
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
FAR struct adc_dev_s *lc823450_adcinitialize(void);
#if defined(__cplusplus)
}
#endif
#undef EXTERN
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_LC823450_LC823450_ADC_H */