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/*
* Copyright (C) 2015 PHYTEC Messtechnik GmbH
*
* 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 drivers_tcs37727
* @{
*
* @file
* @brief Register definitions for the TCS37727 driver.
*
* @author Johann Fischer <j.fischer@phytec.de>
*
*/
#ifndef TCS37727_INTERNAL_H
#define TCS37727_INTERNAL_H
#ifdef __cplusplus
extern "C"
{
#endif
#ifndef TCS37727_AG_THRESHOLD_LOW
#define TCS37727_AG_THRESHOLD_LOW 200
#endif
#ifndef TCS37727_AG_THRESHOLD_HIGH
#define TCS37727_AG_THRESHOLD_HIGH (65535 - TCS37727_AG_THRESHOLD_LOW)
#endif
/**
* @brief Register Map
*
* All setting register are defined for repeated byte protocol transaction.
*/
#define TCS37727_ENABLE 0x80 /* Enables states and interrupts */
#define TCS37727_ATIME 0x81 /* RGBC time */
#define TCS37727_PTIME 0x82 /* Proximity time */
#define TCS37727_WTIME 0x83 /* Wait time */
#define TCS37727_AILTL 0x04 /* Clear interrupt low threshold low byte */
#define TCS37727_AILTH 0x05 /* Clear interrupt low threshold high byte */
#define TCS37727_AIHTL 0x06 /* Clear interrupt high threshold low byte */
#define TCS37727_AIHTH 0x07 /* Clear interrupt high threshold high byte */
#define TCS37727_PILTL 0x08 /* Proximity interrupt low threshold low byte */
#define TCS37727_PILTH 0x09 /* Proximity interrupt low threshold high byte */
#define TCS37727_PIHTL 0x0A /* Proximity interrupt high threshold low byte */
#define TCS37727_PIHTH 0x0B /* Proximity interrupt high threshold high byte */
#define TCS37727_PERS 0x8C /* Interrupt persistence filters */
#define TCS37727_CONFIG 0x8D /* Configuration */
#define TCS37727_PPULSE 0x8E /* Proximity pulse count */
#define TCS37727_CONTROL 0x8F /* Gain control register */
#define TCS37727_ID 0x92 /* Device IDID */
#define TCS37727_STATUS 0x93 /* Device status */
#define TCS37727_CDATA 0x14 /* Clear ADC data low byte */
#define TCS37727_CDATAH 0x15 /* Clear ADC data high byte */
#define TCS37727_RDATA 0x16 /* Red ADC data low byte */
#define TCS37727_RDATAH 0x17 /* Red ADC data high byte */
#define TCS37727_GDATA 0x18 /* Green ADC data low byte */
#define TCS37727_GDATAH 0x19 /* Green ADC data high byte */
#define TCS37727_BDATA 0x1A /* Blue ADC data low byte */
#define TCS37727_BDATAH 0x1B /* Blue ADC data high byte */
#define TCS37727_PDATA 0x1C /* Proximity ADC data low byte */
#define TCS37727_PDATAH 0x1D /* Proximity ADC data high byte */
/**
* @brief Command Register
*/
#define TCS37727_BYTE_TRANS 0x80 /* Repeated byte protocol transaction */
#define TCS37727_INC_TRANS 0xA0 /* Auto-increment protocol transaction */
#define TCS37727_SF_PICLR 0xE5 /* Proximity interrupt clear */
#define TCS37727_SF_CICLR 0xE6 /* Clear channel interrupt clear */
#define TCS37727_SF_PCICLR 0xE7 /* Proximity and Clear channel interrupt clear */
/**
* @brief Enable Register
*/
#define TCS37727_ENABLE_PIEN (1 << 5) /* Proximity interrupt enable */
#define TCS37727_ENABLE_AIEN (1 << 4) /* Clear channel interrupt enable */
#define TCS37727_ENABLE_WEN (1 << 3) /* Wait enable, activates the wait feature */
#define TCS37727_ENABLE_PEN (1 << 2) /* Proximity enable, activates the proximity function */
#define TCS37727_ENABLE_AEN (1 << 1) /* RGBC enable, actives the two-channel ADC */
#define TCS37727_ENABLE_PON (1 << 0) /* Power ON */
/**
* @brief Control Register
*/
#define TCS37727_CONTROL_PDRIVE_100 0x00 /* 100 mA LED Drive Strength */
#define TCS37727_CONTROL_PDRIVE_50 0x04 /* 50 mA LED Drive Strength */
#define TCS37727_CONTROL_PDRIVE_25 0x08 /* 25 mA LED Drive Strength */
#define TCS37727_CONTROL_PDRIVE_12 0x0C /* 12.5 mA LED Drive Strength */
#define TCS37727_CONTROL_PDRIVE_MASK 0x0C /* PDRIVE Mask */
#define TCS37727_CONTROL_AGAIN_1 0x00 /* 1 × gain RGBC Gain Value */
#define TCS37727_CONTROL_AGAIN_4 0x01 /* 4 × gain RGBC Gain Value */
#define TCS37727_CONTROL_AGAIN_16 0x02 /* 16 × gain RGBC Gain Value */
#define TCS37727_CONTROL_AGAIN_60 0x03 /* 60 × gain RGBC Gain Value */
#define TCS37727_CONTROL_AGAIN_MASK 0x03 /* AGAIN Mask */
/**
* @brief Device ID
*/
#define TCS37727_ID_VALUE 0x49
/**
* @brief Predefined ATIME register values.
*/
#define TCS37727_ATIME_MIN 2400 /* 2.4ms integration time, max count 1024 */
#define TCS37727_ATIME_MAX 614000 /* 614ms integration time, max count 0xffff */
#define TCS37727_ATIME_TO_REG(val) (256 - (uint8_t)((val) / 2400))
#define TCS37727_ATIME_TO_US(reg) ((256 - (uint8_t)(reg)) * 2400)
/**
* @brief Coefficients for Lux and CT Equations (DN40)
*
* Coefficients in integer format, multiplied by 1000.
*/
#define DGF_IF 310
#define R_COEF_IF 136
#define G_COEF_IF 1000
#define B_COEF_IF -444
#define CT_COEF_IF 3810
#define CT_OFFSET_IF 1391
#ifdef __cplusplus
}
#endif
#endif
/** @} */
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