131 lines
5.2 KiB
C
131 lines
5.2 KiB
C
/****************************************************************************
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* include/nuttx/analog/lmp92001.h
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*
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* Copyright (C) 2018 Abdelatif Guettouche. All rights reserved.
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* Author: Abdelatif Guettouche <abdelatif.guettouche@gmail.com>
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*
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* This file is a part of NuttX:
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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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 __INCLUDE_NUTTX_ANALOG_LMP92001_H
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#define __INCLUDE_NUTTX_ANALOG_LMP92001_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 <nuttx/analog/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* IOCTL Commands ***********************************************************/
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/* Cmd: ANIOC_LMP92001_DAC_SET_REF Arg: bool value
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* Cmd: ANIOC_LMP92001_DAC_UPDATEALL Arg: uint16_t value
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* Cmd: ANIOC_LMP92001_ADC_SET_REF Arg: bool value
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* Cmd: ANIOC_LMP92001_ADC_ENABLE Arg: lmp92001_adc_enable_e channel
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* Cmd: ANIOC_LMP92001_ADC_SINGLESHOT_CONV Arg: none
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* Cmd: ANIOC_LMP92001_ADC_CONTINUOUS_CONV Arg: none
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* Cmd: ANIOC_LMP92001_ADC_READ_CHANNEL Arg: struct adc_msg_s *channel
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*/
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#define ANIOC_LMP92001_DAC_SET_REF _ANIOC(AN_LMP92001_FIRST + 0)
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#define ANIOC_LMP92001_DAC_UPDATEALL _ANIOC(AN_LMP92001_FIRST + 1)
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#define ANIOC_LMP92001_ADC_SET_REF _ANIOC(AN_LMP92001_FIRST + 2)
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#define ANIOC_LMP92001_ADC_ENABLE _ANIOC(AN_LMP92001_FIRST + 3)
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#define ANIOC_LMP92001_ADC_SINGLESHOT_CONV _ANIOC(AN_LMP92001_FIRST + 4)
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#define ANIOC_LMP92001_ADC_CONTINUOUS_CONV _ANIOC(AN_LMP92001_FIRST + 5)
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#define ANIOC_LMP92001_ADC_READ_CHANNEL _ANIOC(AN_LMP92001_FIRST + 6)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum lmp92001_ref_e
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{
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LMP92001_REF_INTERNAL = 0U,
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LMP92001_REF_EXTERNAL
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};
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enum lmp92001_adc_enable_e
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{
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LMP92001_ADC_EN_CH1 = 1 << 0U,
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LMP92001_ADC_EN_CH2 = 1 << 1U,
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LMP92001_ADC_EN_CH3 = 1 << 2U,
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LMP92001_ADC_EN_CH4 = 1 << 3U,
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LMP92001_ADC_EN_CH5 = 1 << 4U,
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LMP92001_ADC_EN_CH6 = 1 << 5U,
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LMP92001_ADC_EN_CH7 = 1 << 6U,
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LMP92001_ADC_EN_CH8 = 1 << 7U,
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LMP92001_ADC_EN_CH9 = 1 << 8U,
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LMP92001_ADC_EN_CH10 = 1 << 9U,
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LMP92001_ADC_EN_CH11 = 1 << 10U,
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LMP92001_ADC_EN_CH12 = 1 << 11U,
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LMP92001_ADC_EN_CH13 = 1 << 12U,
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LMP92001_ADC_EN_CH14 = 1 << 13U,
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LMP92001_ADC_EN_CH15 = 1 << 14U,
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LMP92001_ADC_EN_CH16 = 1 << 15U,
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LMP92001_ADC_EN_CH17 = 1 << 16U,
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LMP92001_ADC_EN_ALL = 0x1FFFFU
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: lmp92001_gpio_initialize
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*
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* Description:
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* Instantiate and configure the LMP92001 device driver to use the provided
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* I2C device instance.
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*
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* Input Parameters:
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* i2c - An I2C driver instance
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* minor - The device i2c address
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*
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* Returned Value:
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* An ioexpander_dev_s instance on success, NULL on failure.
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*
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****************************************************************************/
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struct i2c_master_s; /* Forward reference */
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struct ioexpander_dev_s; /* Forward reference */
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FAR struct ioexpander_dev_s *
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lmp92001_gpio_initialize(FAR struct i2c_master_s *i2c, uint8_t addr);
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#endif /* __INCLUDE_NUTTX_ANALOG_LMP92001_H */
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