97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* Copyright (c) 2019, Sensirion AG
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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 are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the name of Sensirion AG nor the names of its
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* contributors may be used to endorse or promote products derived from
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* 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 "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, 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 OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SENSIRION_ARCH_CONFIG_H
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#define SENSIRION_ARCH_CONFIG_H
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/**
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* If your platform does not provide the library stdlib.h you have to remove the
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* include and define NULL yourself (see below).
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*/
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#include <stdlib.h>
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/**
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* #ifndef NULL
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* #define NULL ((void *)0)
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* #endif
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*/
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/**
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* If your platform does not provide the library stdint.h you have to
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* define the integral types yourself (see below).
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*/
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#include <stdint.h>
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/**
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* Typedef section for types commonly defined in <stdint.h>
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* If your system does not provide stdint headers, please define them
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* accordingly. Please make sure to define int64_t and uint64_t.
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*/
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/* typedef unsigned long long int uint64_t;
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* typedef long long int int64_t;
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* typedef long int32_t;
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* typedef unsigned long uint32_t;
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* typedef short int16_t;
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* typedef unsigned short uint16_t;
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* typedef char int8_t;
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* typedef unsigned char uint8_t; */
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#ifndef __cplusplus
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/**
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* If your platform doesn't define the bool type we define it as int. Depending
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* on your system update the definition below.
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*/
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#if __STDC_VERSION__ >= 199901L
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#include <stdbool.h>
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#else
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#ifndef bool
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#define bool int
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#define true 1
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#define false 0
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#endif /* bool */
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#endif /* __STDC_VERSION__ */
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#endif /* __cplusplus */
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/**
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* The clock period of the i2c bus in microseconds. Increase this, if your GPIO
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* ports cannot support a 200 kHz output rate. (2 * 1 / 10usec == 200Khz)
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*
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* This is only relevant for the sw-i2c HAL (bit-banging on GPIO pins). The
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* pulse length is half the clock period, the number should thus be even.
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*/
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#define SENSIRION_I2C_CLOCK_PERIOD_USEC 10
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#endif /* SENSIRION_ARCH_CONFIG_H */
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