isl29020-internal.h
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup driver_isl29020
* @{
*
* @file
* @brief Definitions for the ISL29020 light sensor
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef ISL29020_INTERNAL_H
#define ISL29020_INTERNAL_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name ISL29020 registers
* @{
*/
#define ISL29020_REG_CMD 0x00
#define ISL29020_REG_LDATA 0x01
#define ISL29020_REG_HDATA 0x02
/** @} */
/**
* @name Masks for the ISL29020 command register
* @{
*/
#define ISL29020_CMD_EN 0x80
#define ISL29020_CMD_MODE 0x40
#define ISL29020_CMD_LIGHT 0x20
#define ISL29020_CMD_RES 0x1c
#define ISL29020_CMD_RAGNE 0x03
/** @} */
/**
* @name Resolution options
* @{
*/
#define ISL29020_RES_INT_16 0x00
#define ISL29020_RES_INT_12 0x04
#define ISL29020_RES_INT_8 0x08
#define ISL29020_RES_INT_4 0x0c
#define ISL29020_RES_EXT_ADC 0x10
#define ISL29020_RES_EXT_TIM 0x14
/** @} */
/**
* @name Range options
* @{
*/
#define ISL29020_RANGE_1 0x00
#define ISL29020_RANGE_2 0x01
#define ISL29020_RANGE_3 0x02
#define ISL29020_RANGE_4 0x03
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* ISL29020_INTERNAL_H */
/** @} */