113 lines
4.3 KiB
C
113 lines
4.3 KiB
C
/****************************************************************************
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* include/nuttx/analog/lmp92001.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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