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117 lines
5.6 KiB
C
117 lines
5.6 KiB
C
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/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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* 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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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* 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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup sensortag-cc26xx-peripherals
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* @{
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*
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* \defgroup sensortag-cc26xx-hdc-sensor SensorTag 2.0 TI HDC1000 Sensor
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*
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* Due to the time required for the sensor to startup, this driver is meant to
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* be used in an asynchronous fashion. The caller must first activate the
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* sensor by calling SENSORS_ACTIVATE(). This will trigger the sensor's startup
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* sequence, but the call will not wait for it to complete so that the CPU can
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* perform other tasks or drop to a low power mode. Once the sensor has taken
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* readings, it will automatically go back to low power mode.
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*
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* Once the sensor is stable, the driver will retrieve readings from the sensor
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* and latch them. It will then generate a sensors_changed event.
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*
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* The user can then retrieve readings by calling .value() and by passing
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* either HDC_1000_SENSOR_TYPE_TEMP or HDC_1000_SENSOR_TYPE_HUMIDITY as the
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* argument. Multiple calls to value() will not trigger new readings, they will
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* simply return the most recent latched values.
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*
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* The user can query the sensor's status by calling .status()
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*
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* To get a fresh reading, the user must trigger a new reading cycle by calling
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* SENSORS_ACTIVATE().
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* @{
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*
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* \file
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* Header file for the Sensortag-CC26ss TI HDC1000 sensor
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef HDC_1000_SENSOR_H
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#define HDC_1000_SENSOR_H
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/*---------------------------------------------------------------------------*/
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#include "lib/sensors.h"
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/*---------------------------------------------------------------------------*/
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#define HDC_1000_SENSOR_TYPE_TEMP 1
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#define HDC_1000_SENSOR_TYPE_HUMIDITY 2
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/*---------------------------------------------------------------------------*/
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/**
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* \name HDC1000 driver states
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* @{
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*/
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#define HDC_1000_SENSOR_STATUS_DISABLED 0 /**< Not initialised */
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#define HDC_1000_SENSOR_STATUS_INITIALISED 1 /**< Initialised but idle */
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#define HDC_1000_SENSOR_STATUS_TAKING_READINGS 2 /**< Readings in progress */
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#define HDC_1000_SENSOR_STATUS_READINGS_READY 3 /**< Both readings ready */
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/** @} */
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/*---------------------------------------------------------------------------*/
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extern const struct sensors_sensor hdc_1000_sensor;
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/*---------------------------------------------------------------------------*/
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#endif /* HDC_1000_SENSOR_H */
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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