diff options
Diffstat (limited to 'include/driver/als_tcs3400_public.h')
| -rw-r--r-- | include/driver/als_tcs3400_public.h | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/include/driver/als_tcs3400_public.h b/include/driver/als_tcs3400_public.h index 812aeda8d3..2cf9aed45f 100644 --- a/include/driver/als_tcs3400_public.h +++ b/include/driver/als_tcs3400_public.h @@ -1,4 +1,4 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. +/* Copyright 2021 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * @@ -11,34 +11,34 @@ #include "accelgyro.h" /* I2C Interface */ -#define TCS3400_I2C_ADDR_FLAGS 0x39 +#define TCS3400_I2C_ADDR_FLAGS 0x39 /* NOTE: The higher the ATIME value in reg, the shorter the accumulation time */ -#define TCS_MIN_ATIME 0x00 /* 712 ms */ -#define TCS_MAX_ATIME 0x70 /* 400 ms */ -#define TCS_ATIME_GRANULARITY 256 /* 256 atime settings */ -#define TCS_SATURATION_LEVEL 0xffff /* for 0 < atime < 0x70 */ -#define TCS_DEFAULT_ATIME TCS_MIN_ATIME /* 712 ms */ -#define TCS_CALIBRATION_ATIME TCS_MIN_ATIME -#define TCS_GAIN_UPSHIFT_ATIME TCS_MAX_ATIME +#define TCS_MIN_ATIME 0x00 /* 712 ms */ +#define TCS_MAX_ATIME 0x70 /* 400 ms */ +#define TCS_ATIME_GRANULARITY 256 /* 256 atime settings */ +#define TCS_SATURATION_LEVEL 0xffff /* for 0 < atime < 0x70 */ +#define TCS_DEFAULT_ATIME TCS_MIN_ATIME /* 712 ms */ +#define TCS_CALIBRATION_ATIME TCS_MIN_ATIME +#define TCS_GAIN_UPSHIFT_ATIME TCS_MAX_ATIME /* Number of different ranges supported for atime adjustment support */ -#define TCS_MAX_ATIME_RANGES 13 -#define TCS_GAIN_TABLE_MAX_LUX 12999 -#define TCS_ATIME_GAIN_FACTOR 100 /* table values are 100x actual value */ +#define TCS_MAX_ATIME_RANGES 13 +#define TCS_GAIN_TABLE_MAX_LUX 12999 +#define TCS_ATIME_GAIN_FACTOR 100 /* table values are 100x actual value */ -#define TCS_MIN_AGAIN 0x00 /* 1x gain */ -#define TCS_MAX_AGAIN 0x03 /* 64x gain */ -#define TCS_CALIBRATION_AGAIN 0x02 /* 16x gain */ -#define TCS_DEFAULT_AGAIN TCS_CALIBRATION_AGAIN +#define TCS_MIN_AGAIN 0x00 /* 1x gain */ +#define TCS_MAX_AGAIN 0x03 /* 64x gain */ +#define TCS_CALIBRATION_AGAIN 0x02 /* 16x gain */ +#define TCS_DEFAULT_AGAIN TCS_CALIBRATION_AGAIN #define TCS_MAX_INTEGRATION_TIME 2780 /* 2780us */ -#define TCS_ATIME_DEC_STEP 5 -#define TCS_ATIME_INC_STEP TCS_GAIN_UPSHIFT_ATIME +#define TCS_ATIME_DEC_STEP 5 +#define TCS_ATIME_INC_STEP TCS_GAIN_UPSHIFT_ATIME /* Min and Max sampling frequency in mHz */ -#define TCS3400_LIGHT_MIN_FREQ 149 -#define TCS3400_LIGHT_MAX_FREQ 1000 +#define TCS3400_LIGHT_MIN_FREQ 149 +#define TCS3400_LIGHT_MAX_FREQ 1000 #if (CONFIG_EC_MAX_SENSOR_FREQ_MILLIHZ <= TCS3400_LIGHT_MAX_FREQ) #error "EC too slow for light sensor" #endif @@ -55,15 +55,16 @@ struct tcs_saturation_t { uint8_t again; /* Acquisition Time, controlled by the ATIME register */ - uint8_t atime; /* ATIME register setting */ + uint8_t atime; /* ATIME register setting */ }; /* tcs3400 rgb als driver data */ struct tcs3400_rgb_drv_data_t { - uint8_t calibration_mode;/* 0 = normal run mode, 1 = calibration mode */ + uint8_t calibration_mode; /* 0 = normal run mode, 1 = calibration mode + */ struct rgb_calibration_t calibration; - struct tcs_saturation_t saturation; /* saturation adjustment */ + struct tcs_saturation_t saturation; /* saturation adjustment */ }; extern const struct accelgyro_drv tcs3400_drv; |