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74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_isl29020
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* @{
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*
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* @file
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* @brief Definitions for the ISL29020 light sensor
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*/
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#ifndef ISL29020_INTERNAL_H
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#define ISL29020_INTERNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name ISL29020 registers
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* @{
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*/
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#define ISL29020_REG_CMD 0x00
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#define ISL29020_REG_LDATA 0x01
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#define ISL29020_REG_HDATA 0x02
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/** @} */
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/**
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* @name Masks for the ISL29020 command register
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* @{
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*/
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#define ISL29020_CMD_EN 0x80
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#define ISL29020_CMD_MODE 0x40
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#define ISL29020_CMD_LIGHT 0x20
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#define ISL29020_CMD_RES 0x1c
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#define ISL29020_CMD_RAGNE 0x03
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/** @} */
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/**
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* @name Resolution options
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* @{
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*/
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#define ISL29020_RES_INT_16 0x00
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#define ISL29020_RES_INT_12 0x04
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#define ISL29020_RES_INT_8 0x08
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#define ISL29020_RES_INT_4 0x0c
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#define ISL29020_RES_EXT_ADC 0x10
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#define ISL29020_RES_EXT_TIM 0x14
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/** @} */
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/**
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* @name Range options
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* @{
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*/
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#define ISL29020_RANGE_1 0x00
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#define ISL29020_RANGE_2 0x01
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#define ISL29020_RANGE_3 0x02
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#define ISL29020_RANGE_4 0x03
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* ISL29020_INTERNAL_H */
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/** @} */
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