258 lines
7.7 KiB
C
258 lines
7.7 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation
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* Copyright (c) 2018 PHYTEC Messtechnik GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_
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#define ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_
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#include <drivers/gpio.h>
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#define APDS9960_ENABLE_REG 0x80
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#define APDS9960_ENABLE_GEN BIT(6)
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#define APDS9960_ENABLE_PIEN BIT(5)
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#define APDS9960_ENABLE_AIEN BIT(4)
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#define APDS9960_ENABLE_WEN BIT(3)
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#define APDS9960_ENABLE_PEN BIT(2)
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#define APDS9960_ENABLE_AEN BIT(1)
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#define APDS9960_ENABLE_PON BIT(0)
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#define APDS9960_ATIME_REG 0x81
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#define APDS9960_WTIME_REG 0x83
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#define APDS9960_INT_AILTL_REG 0x84
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#define APDS9960_INT_AILTH_REG 0x85
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#define APDS9960_INT_AIHTL_REG 0x86
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#define APDS9960_INT_AIHTH_REG 0x87
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#define APDS9960_PILT_REG 0x89
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#define APDS9960_PIHT_REG 0x8B
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#define APDS9960_PERS_REG 0x8C
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#define APDS9960_PERS_PPERS (BIT(4) | BIT(5) | BIT(6) | BIT(7))
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#define APDS9960_APERS_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3))
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#define APDS9960_CONFIG1_REG 0x8D
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#define APDS9960_CONFIG1_WLONG BIT(1)
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#define APDS9960_PPULSE_REG 0x8E
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#define APDS9960_PPULSE_LENGTH_4US 0
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#define APDS9960_PPULSE_LENGTH_8US BIT(6)
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#define APDS9960_PPULSE_LENGTH_16US BIT(7)
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#define APDS9960_PPULSE_LENGTH_32US (BIT(7) | BIT(6))
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#define APDS9960_CONTROL_REG 0x8F
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#define APDS9960_CONTROL_LDRIVE (BIT(6) | BIT(7))
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#define APDS9960_CONTROL_PGAIN (BIT(3) | BIT(2))
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#define APDS9960_CONTROL_AGAIN (BIT(0) | BIT(1))
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/* LED Drive values */
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#define APDS9960_LED_DRIVE_100MA 0
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#define APDS9960_LED_DRIVE_50MA BIT(6)
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#define APDS9960_LED_DRIVE_25MA BIT(7)
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#define APDS9960_LED_DRIVE_12_5MA (BIT(6) | BIT(7))
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/* Proximity Gain (PGAIN) values */
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#define APDS9960_PGAIN_1X 0
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#define APDS9960_PGAIN_2X BIT(2)
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#define APDS9960_PGAIN_4X BIT(3)
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#define APDS9960_PGAIN_8X (BIT(2) | BIT(3))
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/* ALS Gain (AGAIN) values */
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#define APDS9960_AGAIN_1X 0
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#define APDS9960_AGAIN_4X BIT(0)
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#define APDS9960_AGAIN_16X BIT(1)
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#define APDS9960_AGAIN_64X (BIT(0) | BIT(1))
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#define APDS9960_CONFIG2_REG 0x90
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#define APDS9960_CONFIG2_CPSIEN BIT(6)
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#define APDS9960_CONFIG2_PSIEN BIT(7)
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/* LED Boost values */
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#define APDS9960_PLED_BOOST_100 0
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#define APDS9960_PLED_BOOST_150 BIT(4)
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#define APDS9960_PLED_BOOST_200 BIT(5)
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#define APDS9960_PLED_BOOST_300 (BIT(5) | BIT(4))
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#define APDS9960_ID_REG 0x92
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/* Acceptable device IDs */
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#define APDS9960_ID_1 0xAB
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#define APDS9960_ID_2 0x9C
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#define APDS9960_STATUS_REG 0x93
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#define APDS9960_STATUS_CPSAT BIT(7)
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#define APDS9960_STATUS_PGSAT BIT(6)
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#define APDS9960_STATUS_PINT BIT(5)
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#define APDS9960_STATUS_AINT BIT(4)
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#define APDS9960_STATUS_GINT BIT(2)
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#define APDS9960_STATUS_PVALID BIT(1)
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#define APDS9960_STATUS_AVALID BIT(0)
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#define APDS9960_CDATAL_REG 0x94
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#define APDS9960_CDATAH_REG 0x95
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#define APDS9960_RDATAL_REG 0x96
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#define APDS9960_RDATAH_REG 0x97
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#define APDS9960_GDATAL_REG 0x98
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#define APDS9960_GDATAH_REG 0x99
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#define APDS9960_BDATAL_REG 0x9A
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#define APDS9960_BDATAH_REG 0x9B
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#define APDS9960_PDATA_REG 0x9C
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#define APDS9960_POFFSET_UR_REG 0x9D
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#define APDS9960_POFFSET_DL_REG 0x9E
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#define APDS9960_CONFIG3_REG 0x9F
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#define APDS9960_CONFIG3_PCMP BIT(5)
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#define APDS9960_CONFIG3_SAI BIT(4)
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#define APDS9960_CONFIG3_PMSK_U BIT(3)
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#define APDS9960_CONFIG3_PMSK_D BIT(2)
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#define APDS9960_CONFIG3_PMSK_L BIT(1)
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#define APDS9960_CONFIG3_PMSK_R BIT(0)
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#define APDS9960_GPENTH_REG 0xA0
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#define APDS9960_GEXTH_REG 0xA1
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#define APDS9960_GCONFIG1_REG 0xA2
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#define APDS9960_GCONFIG1_GFIFOTH (BIT(7) | BIT(6))
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#define APDS9960_GCONFIG1_GEXMSK (BIT(5) | BIT(4) | BIT(3) | BIT(2))
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#define APDS9960_GCONFIG1_GEXPERS (BIT(1) | BIT(0))
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#define APDS9960_GCONFIG2_REG 0xA3
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#define APDS9960_GCONFIG2_GGAIN (BIT(6) | BIT(5))
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#define APDS9960_GCONFIG2_GLDRIVE (BIT(4) | BIT(3))
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#define APDS9960_GCONFIG2_WTIME (BIT(2) | BIT(1) | BIT(0))
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/* Gesture Gain (GGAIN) values */
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#define APDS9960_GGAIN_1X 0
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#define APDS9960_GGAIN_2X BIT(5)
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#define APDS9960_GGAIN_4X BIT(6)
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#define APDS9960_GGAIN_8X (BIT(6) | BIT(5))
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/* Gesture LED Drive Strength values */
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#define APDS9960_LED_GDRIVE_100MA 0
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#define APDS9960_LED_GDRIVE_50MA BIT(3)
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#define APDS9960_LED_GDRIVE_25MA BIT(4)
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#define APDS9960_LED_GDRIVE_12_5MA (BIT(4) | BIT(3))
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/* Gesture wait time values */
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#define APDS9960_GWTIME_0MS 0
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#define APDS9960_GWTIME_2_8MS 1
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#define APDS9960_GWTIME_5_6MS 2
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#define APDS9960_GWTIME_8_4MS 3
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#define APDS9960_GWTIME_14_0MS 4
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#define APDS9960_GWTIME_22_4MS 5
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#define APDS9960_GWTIME_30_8MS 6
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#define APDS9960_GWTIME_39_2MS 7
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#define APDS9960_GOFFSET_U_REG 0xA4
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#define APDS9960_GOFFSET_D_REG 0xA5
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#define APDS9960_GOFFSET_L_REG 0xA7
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#define APDS9960_GOFFSET_R_REG 0xA9
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#define APDS9960_GPULSE_REG 0xA6
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#define APDS9960_GPULSE_GPLEN (BIT(7) | BIT(6))
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#define APDS9960_GPULSE_GPULSE (BIT(5) | BIT(4) | BIT(3) |\
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BIT(2) | BIT(1) | BIT(0))
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/* Gesture Pulse Length values */
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#define APDS9960_GPLEN_0US 0
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#define APDS9960_GPLEN_8US BIT(6)
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#define APDS9960_GPLEN_16US BIT(7)
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#define APDS9960_GPLEN_32US (BIT(7) | BIT(6))
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#define APDS9960_GCONFIG3_REG 0xAA
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#define APDS9960_GCONFIG3_GDIMS (BIT(1) | BIT(0))
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/* Gesture Registers */
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#define APDS9960_GCONFIG4_REG 0xAB
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#define APDS9960_GCONFIG4_GFIFO_CLR BIT(2)
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#define APDS9960_GCONFIG4_GIEN BIT(1)
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#define APDS9960_GCONFIG4_GMODE BIT(0)
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#define APDS9960_GFLVL_REG 0xAE
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#define APDS9960_GSTATUS_REG 0xAF
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#define APDS9960_GSTATUS_GFOV BIT(1)
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#define APDS9960_GSTATUS_GVALID BIT(0)
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#define APDS9960_IFORCE_REG 0xE4
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#define APDS9960_PICLEAR_REG 0xE5
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#define APDS9960_CICLEAR_REG 0xE6
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#define APDS9960_AICLEAR_REG 0xE7
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#define APDS9960_GFIFO_U_REG 0xFC
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#define APDS9960_GFIFO_D_REG 0xFD
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#define APDS9960_GFIFO_L_REG 0xFE
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#define APDS9960_GFIFO_R_REG 0xFF
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/* Default values */
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#define APDS9960_DEFAULT_ATIME 219
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#define APDS9960_DEFAULT_WTIME 255
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#define APDS9960_DEFAULT_CONFIG1 0x60
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#define APDS9960_DEFAULT_PERS BIT(4)
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#define APDS9960_DEFAULT_CONFIG2 (BIT(6) | BIT(0))
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#define APDS9960_DEFAULT_GESTURE_PPULSE 0x89
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#define APDS9960_DEFAULT_POFFSET_UR 0
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#define APDS9960_DEFAULT_POFFSET_DL 0
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#define APDS9960_DEFAULT_LDRIVE APDS9960_LED_DRIVE_100MA
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#ifdef CONFIG_APDS9960_TRIGGER
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#define APDS9960_DEFAULT_PILT 0
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#define APDS9960_DEFAULT_PIHT 50
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#define APDS9960_DEFAULT_AILT 10
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#define APDS9960_DEFAULT_AIHT 1000
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#define APDS9960_DEFAULT_CONFIG3 0
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#else
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#define APDS9960_DEFAULT_PILT 0
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#define APDS9960_DEFAULT_PIHT 1
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#define APDS9960_DEFAULT_AILT 0xFFFF
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#define APDS9960_DEFAULT_AIHT 0
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#define APDS9960_DEFAULT_CONFIG3 APDS9960_CONFIG3_SAI
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#endif
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#define APDS9960_DEFAULT_GPENTH 40
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#define APDS9960_DEFAULT_GEXTH 30
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#define APDS9960_DEFAULT_GCONF1 0x40
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#define APDS9960_DEFAULT_GGAIN APDS9960_GGAIN_4X
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#define APDS9960_DEFAULT_GLDRIVE APDS9960_LED_DRIVE_100MA
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#define APDS9960_DEFAULT_GWTIME APDS9960_GWTIME_2_8MS
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#define APDS9960_DEFAULT_GOFFSET 0
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#define APDS9960_DEFAULT_GPULSE 0xC9
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#define APDS9960_DEFAULT_GCONF3 0
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struct apds9960_config {
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char *i2c_name;
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char *gpio_name;
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u8_t gpio_pin;
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u8_t i2c_address;
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u8_t pgain;
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u8_t again;
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u8_t ppcount;
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u8_t pled_boost;
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};
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struct apds9960_data {
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struct device *i2c;
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struct device *gpio;
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struct gpio_callback gpio_cb;
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struct k_work work;
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struct device *dev;
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u16_t sample_crgb[4];
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u8_t pdata;
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u8_t gpio_pin;
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#ifdef CONFIG_APDS9960_TRIGGER
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sensor_trigger_handler_t p_th_handler;
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struct sensor_trigger p_th_trigger;
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#else
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struct k_sem data_sem;
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#endif
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};
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#ifdef CONFIG_APDS9960_TRIGGER
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void apds9960_work_cb(struct k_work *work);
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int apds9960_attr_set(struct device *dev,
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enum sensor_channel chan,
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enum sensor_attribute attr,
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const struct sensor_value *val);
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int apds9960_trigger_set(struct device *dev,
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const struct sensor_trigger *trig,
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sensor_trigger_handler_t handler);
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#endif /* CONFIG_APDS9960_TRIGGER */
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#endif /* ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_*/
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