forked from nuttx/nuttx-update
cd2fcf5252
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/****************************************************************************
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* include/nuttx/sensors/hdc1008.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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_SENSORS_HDC1008_H
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#define __INCLUDE_NUTTX_SENSORS_HDC1008_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/sensors/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Default address if both address pins are grounded */
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#define CONFIG_HDC1008_ADDR 0x40
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/* Modes of operation. Used in the calls to ioctl(). */
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#define HDC1008_MEAS_TEMPERATURE 0x00
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#define HDC1008_MEAS_HUMIDITY 0x01
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#define HDC1008_MEAS_T_AND_RH 0x02
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/* IOCTL commands */
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#define SNIOC_RESET _SNIOC(0x0001) /* Soft Reset */
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#define SNIOC_SET_OPERATIONAL_MODE _SNIOC(0x0002) /* Mode: 0, 1, 2 */
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#define SNIOC_SET_RESOLUTION_T _SNIOC(0x0003) /* Resolution: 11, 14 */
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#define SNIOC_SET_RESOLUTION_RH _SNIOC(0x0004) /* Resolution: 8, 11, 14 */
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#define SNIOC_SET_HEATER_MODE _SNIOC(0x0005) /* Heater on or off */
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#define SNIOC_GET_CONFIGURATION _SNIOC(0x0006) /* Read config register */
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#define SNIOC_MEASURE _SNIOC(0x0007) /* Perform measurement */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct i2c_master_s; /* Forward reference */
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/* Structure with measurement data. Temperature is scaled by 100 and humidity
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* by 10.
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*/
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struct hdc1008_conv_data_s
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{
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int temperature;
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int humidity;
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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: hdc1008_register
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*
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* Description:
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* Register the HDC1008 character device as 'devpath'
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*
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* Input Parameters:
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* devpath - The full path to the driver to register. E.g., "/dev/temp0"
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* i2c - An instance of the I2C interface to use to communicate with
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* the HDC1008
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* addr - The I2C address of the HDC1008. The I2C address is
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* configurable by two address pins, in the range of 0x40-0x43
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int hdc1008_register(FAR const char *devpath, FAR struct i2c_master_s *i2c,
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uint8_t addr);
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#endif /* __INCLUDE_NUTTX_SENSORS_HDC1008_H */
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