├── .gitignore ├── ChangeLog ├── LICENSE ├── MANIFEST.in ├── README.md ├── RPi.md ├── apds9960 ├── __init__.py ├── const.py ├── device.py └── exceptions.py ├── micropython ├── test_ambient.py ├── test_gesture.py └── test_prox.py ├── rpi ├── test_ambient.py ├── test_gesture.py └── test_prox.py ├── setup.cfg └── setup.py /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | MANIFEST 11 | .Python 12 | env/ 13 | build/ 14 | develop-eggs/ 15 | dist/ 16 | downloads/ 17 | eggs/ 18 | .eggs/ 19 | lib/ 20 | lib64/ 21 | parts/ 22 | sdist/ 23 | var/ 24 | wheels/ 25 | *.egg-info/ 26 | .installed.cfg 27 | *.egg 28 | 29 | # PyInstaller 30 | # Usually these files are written by a python script from a template 31 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 32 | *.manifest 33 | *.spec 34 | 35 | # Installer logs 36 | pip-log.txt 37 | pip-delete-this-directory.txt 38 | 39 | # Unit test / coverage reports 40 | htmlcov/ 41 | .tox/ 42 | .coverage 43 | .coverage.* 44 | .cache 45 | nosetests.xml 46 | coverage.xml 47 | *.cover 48 | .hypothesis/ 49 | 50 | # Translations 51 | *.mo 52 | *.pot 53 | 54 | # Django stuff: 55 | *.log 56 | local_settings.py 57 | 58 | # Flask stuff: 59 | instance/ 60 | .webassets-cache 61 | 62 | # Scrapy stuff: 63 | .scrapy 64 | 65 | # Sphinx documentation 66 | docs/_build/ 67 | 68 | # PyBuilder 69 | target/ 70 | 71 | # Jupyter Notebook 72 | .ipynb_checkpoints 73 | 74 | # pyenv 75 | .python-version 76 | 77 | # celery beat schedule file 78 | celerybeat-schedule 79 | 80 | # SageMath parsed files 81 | *.sage.py 82 | 83 | # dotenv 84 | .env 85 | 86 | # virtualenv 87 | .venv 88 | venv/ 89 | ENV/ 90 | 91 | # Spyder project settings 92 | .spyderproject 93 | .spyproject 94 | 95 | # Rope project settings 96 | .ropeproject 97 | 98 | # mkdocs documentation 99 | /site 100 | 101 | # mypy 102 | .mypy_cache/ 103 | -------------------------------------------------------------------------------- /ChangeLog: -------------------------------------------------------------------------------- 1 | needrestart (0.2) 2 | 3 | * Features: 4 | - micropython port 5 | (github pr #2 by Thomas Waldmann @ThomasWaldmann) 6 | - upload to PyPi 7 | 8 | * Changes: 9 | - add 0xa8 to valid device id's 10 | (github pr #1 by Ristomatti Airo @ristomatti) 11 | 12 | -- Thomas Liske Sun, 15 Apr 2018 21:36:49 +0200 13 | 14 | needrestart (0.1) 15 | 16 | * Initial release. 17 | 18 | -- Thomas Liske Tue, 06 Jun 2017 01:30:55 +0200 19 | 20 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /MANIFEST.in: -------------------------------------------------------------------------------- 1 | include *.md 2 | include LICENSE 3 | include ChangeLog 4 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Python (and MicroPython) APDS-9960 Library 2 | 3 | Python library for the APDS-9960 gesture sensor developed while I was looking to get the APDS-9960 to work with a _Raspberry Pi_ to build a user interface feeling like in _Minority Report_. 4 | 5 | This library is a port of the [APDS-9960 Raspberry Pi Library](https://bitbucket.org/justin_woodman/apds-9960-raspberry-pi-library) of [Justin Woodman](https://justinwoodman.wordpress.com/2014/11/15/using-the-apds-9960-rgb-proximity-and-gesture-sensor-with-the-raspberry-pi-2/). Sadly his library is coded in C++ and seems not to be maintained any more. 6 | 7 | This library has been tested with [SparkFun RGB and Gesture Sensor - APDS-9960](https://www.sparkfun.com/products/12787) but should work with any other APDS-9960 based I²C device, too. 8 | 9 | ## Installation 10 | 11 | This library is available from [PyPi](https://pypi.org/project/apds9960/). You may want to setup a `virtualenv` before installing the library using: 12 | 13 | ``` 14 | pip install apds9960 15 | ``` 16 | 17 | 18 | ## Features of the APDS-9960 19 | - operational voltage: 3.3V 20 | - ambient light & RGB color sensing 21 | - proximity sensing 22 | - gesture detection 23 | - operating range: 10 - 20cm 24 | - I²C interface (hard wired I²C address: 0x39) 25 | 26 | ## Documentation & Examples 27 | - [RPi](RPi.md) - connect and configure the APDS-9960 on Raspberry Pi 28 | - Example scripts: 29 | - simple ambient light level demo: [rpi](rpi/test_ambient.py), [micropython](micropython/test_ambient.py) 30 | - simple gesture detection demo: [rpi](rpi/test_gesture.py), [micropython](micropython/test_gesture.py) 31 | - simple proximity level demo: [rpi](rpi/test_prox.py), [micropython](micropython/test_prox.py) 32 | -------------------------------------------------------------------------------- /RPi.md: -------------------------------------------------------------------------------- 1 | # APDS-9960 on Raspberry Pi 2 | 3 | ## Wiring 4 | 5 | The APDS-9960 can be connected to the I²C bus of the RPi using the P01 header: 6 | 7 | | Board Pin | Function | RPi Pin | RPi Function | 8 | |-----------|--------------|----------|----------------| 9 | | VL | IR LED Power _(optional)_ | n.c. | _(not connected)_ 10 | | GND | Ground | P01-9 | GND 11 | | VCC | +3.3V | P01-1 | 3.3V PWR 12 | | SDA | Data | P01-3 | I2C1 SDA 13 | | SCL | Clock | P01-5 | I2C1 SCL 14 | | INT | Interrupt | P01-7 | GPIO 4 _(optional)_ 15 | 16 | 17 | ## I²C 18 | 19 | You need to have enabled loading of the I²C kernel module. You might use `raspi-config` to enable I²C: 20 | - run `raspi-config` 21 | - select `5 Interfacing Options` 22 | - enable `P5 I2C` 23 | 24 | The APDS-9960 supports a I²C clock up to 400KHz (default is 100KHz). To speed up detection performance you should increase the clock rate be using the following option in `/boot/config.txt`: 25 | 26 | ``` 27 | dtparam=i2c_arm=on,i2c_baudrate=400000 28 | ``` 29 | 30 | A reboot is required to apply the change. 31 | 32 | 33 | ## Verify 34 | 35 | To verify your setup use the `i2cdetect` command. The APDS-9960 chip is hard coded at the address 0x39: 36 | 37 | ```shell 38 | # i2cdetect -y 1 39 | 0 1 2 3 4 5 6 7 8 9 a b c d e f 40 | 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 41 | 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 42 | 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 43 | 30: -- -- -- -- -- -- -- -- -- 39 -- -- -- -- -- -- 44 | 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 45 | 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 46 | 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 47 | 70: -- -- -- -- -- -- -- -- 48 | ``` 49 | -------------------------------------------------------------------------------- /apds9960/__init__.py: -------------------------------------------------------------------------------- 1 | from apds9960.device import APDS9960, uAPDS9960 2 | 3 | __all__ = [ 'APDS9960', 'uAPDS9960', ] 4 | -------------------------------------------------------------------------------- /apds9960/const.py: -------------------------------------------------------------------------------- 1 | # APDS9960 i2c address 2 | APDS9960_I2C_ADDR = 0x39 3 | 4 | # APDS9960 gesture parameters 5 | APDS9960_GESTURE_THRESHOLD_OUT = 10 6 | APDS9960_GESTURE_SENSITIVITY_1 = 50 7 | APDS9960_GESTURE_SENSITIVITY_2 = 20 8 | 9 | # APDS9960 device IDs 10 | APDS9960_DEV_ID = [0xab, 0x9c, 0xa8, -0x55] 11 | 12 | # APDS9960 times 13 | APDS9960_TIME_FIFO_PAUSE = 0.03 14 | 15 | # APDS9960 register addresses 16 | APDS9960_REG_ENABLE = 0x80 17 | APDS9960_REG_ATIME = 0x81 18 | APDS9960_REG_WTIME = 0x83 19 | APDS9960_REG_AILTL = 0x84 20 | APDS9960_REG_AILTH = 0x85 21 | APDS9960_REG_AIHTL = 0x86 22 | APDS9960_REG_AIHTH = 0x87 23 | APDS9960_REG_PILT = 0x89 24 | APDS9960_REG_PIHT = 0x8b 25 | APDS9960_REG_PERS = 0x8c 26 | APDS9960_REG_CONFIG1 = 0x8d 27 | APDS9960_REG_PPULSE = 0x8e 28 | APDS9960_REG_CONTROL = 0x8f 29 | APDS9960_REG_CONFIG2 = 0x90 30 | APDS9960_REG_ID = 0x92 31 | APDS9960_REG_STATUS = 0x93 32 | APDS9960_REG_CDATAL = 0x94 33 | APDS9960_REG_CDATAH = 0x95 34 | APDS9960_REG_RDATAL = 0x96 35 | APDS9960_REG_RDATAH = 0x97 36 | APDS9960_REG_GDATAL = 0x98 37 | APDS9960_REG_GDATAH = 0x99 38 | APDS9960_REG_BDATAL = 0x9a 39 | APDS9960_REG_BDATAH = 0x9b 40 | APDS9960_REG_PDATA = 0x9c 41 | APDS9960_REG_POFFSET_UR = 0x9d 42 | APDS9960_REG_POFFSET_DL = 0x9e 43 | APDS9960_REG_CONFIG3 = 0x9f 44 | APDS9960_REG_GPENTH = 0xa0 45 | APDS9960_REG_GEXTH = 0xa1 46 | APDS9960_REG_GCONF1 = 0xa2 47 | APDS9960_REG_GCONF2 = 0xa3 48 | APDS9960_REG_GOFFSET_U = 0xa4 49 | APDS9960_REG_GOFFSET_D = 0xa5 50 | APDS9960_REG_GOFFSET_L = 0xa7 51 | APDS9960_REG_GOFFSET_R = 0xa9 52 | APDS9960_REG_GPULSE = 0xa6 53 | APDS9960_REG_GCONF3 = 0xaA 54 | APDS9960_REG_GCONF4 = 0xaB 55 | APDS9960_REG_GFLVL = 0xae 56 | APDS9960_REG_GSTATUS = 0xaf 57 | APDS9960_REG_IFORCE = 0xe4 58 | APDS9960_REG_PICLEAR = 0xe5 59 | APDS9960_REG_CICLEAR = 0xe6 60 | APDS9960_REG_AICLEAR = 0xe7 61 | APDS9960_REG_GFIFO_U = 0xfc 62 | APDS9960_REG_GFIFO_D = 0xfd 63 | APDS9960_REG_GFIFO_L = 0xfe 64 | APDS9960_REG_GFIFO_R = 0xff 65 | 66 | # APDS9960 bit fields 67 | APDS9960_BIT_PON = 0b00000001 68 | APDS9960_BIT_AEN = 0b00000010 69 | APDS9960_BIT_PEN = 0b00000100 70 | APDS9960_BIT_WEN = 0b00001000 71 | APSD9960_BIT_AIEN =0b00010000 72 | APDS9960_BIT_PIEN = 0b00100000 73 | APDS9960_BIT_GEN = 0b01000000 74 | APDS9960_BIT_GVALID = 0b00000001 75 | APDS9960_BIT_AVALID = 0b00000001 76 | APDS9960_BIT_PVALID = 0b00000010 77 | APDS9960_BIT_GINT = 0b00000100 78 | APDS9960_BIT_AINT = 0b00010000 79 | APDS9960_BIT_PINT = 0b00100000 80 | APDS9960_BIT_PGSAT = 0b01000000 81 | APDS9960_BIT_CPSAT = 0b10000000 82 | 83 | # APDS9960 modes 84 | APDS9960_MODE_POWER = 0 85 | APDS9960_MODE_AMBIENT_LIGHT = 1 86 | APDS9960_MODE_PROXIMITY = 2 87 | APDS9960_MODE_WAIT = 3 88 | APDS9960_MODE_AMBIENT_LIGHT_INT = 4 89 | APDS9960_MODE_PROXIMITY_INT = 5 90 | APDS9960_MODE_GESTURE = 6 91 | APDS9960_MODE_ALL = 7 92 | 93 | # LED Drive values 94 | APDS9960_LED_DRIVE_100MA = 0 95 | APDS9960_LED_DRIVE_50MA = 1 96 | APDS9960_LED_DRIVE_25MA = 2 97 | APDS9960_LED_DRIVE_12_5MA = 3 98 | 99 | # Proximity Gain (PGAIN) values 100 | APDS9960_PGAIN_1X = 0 101 | APDS9960_PGAIN_2X = 1 102 | APDS9960_PGAIN_4X = 2 103 | APDS9960_PGAIN_8X = 3 104 | 105 | # ALS Gain (AGAIN) values 106 | APDS9960_AGAIN_1X = 0 107 | APDS9960_AGAIN_4X = 1 108 | APDS9960_AGAIN_16X = 2 109 | APDS9960_AGAIN_64X = 3 110 | 111 | # Gesture Gain (GGAIN) values 112 | APDS9960_GGAIN_1X = 0 113 | APDS9960_GGAIN_2X = 1 114 | APDS9960_GGAIN_4X = 2 115 | APDS9960_GGAIN_8X = 3 116 | 117 | # LED Boost values 118 | APDS9960_LED_BOOST_100 = 0 119 | APDS9960_LED_BOOST_150 = 1 120 | APDS9960_LED_BOOST_200 = 2 121 | APDS9960_LED_BOOST_300 = 3 122 | 123 | # Gesture wait time values 124 | APDS9960_GWTIME_0MS = 0 125 | APDS9960_GWTIME_2_8MS = 1 126 | APDS9960_GWTIME_5_6MS = 2 127 | APDS9960_GWTIME_8_4MS = 3 128 | APDS9960_GWTIME_14_0MS = 4 129 | APDS9960_GWTIME_22_4MS = 5 130 | APDS9960_GWTIME_30_8MS = 6 131 | APDS9960_GWTIME_39_2MS = 7 132 | 133 | # Default values 134 | APDS9960_DEFAULT_ATIME = 219 # 103ms 135 | APDS9960_DEFAULT_WTIME = 246 # 27ms 136 | APDS9960_DEFAULT_PROX_PPULSE = 0x87 # 16us, 8 pulses 137 | APDS9960_DEFAULT_GESTURE_PPULSE = 0x89 # 16us, 10 pulses 138 | APDS9960_DEFAULT_POFFSET_UR = 0 # 0 offset 139 | APDS9960_DEFAULT_POFFSET_DL = 0 # 0 offset 140 | APDS9960_DEFAULT_CONFIG1 = 0x60 # No 12x wait (WTIME) factor 141 | APDS9960_DEFAULT_LDRIVE = APDS9960_LED_DRIVE_100MA 142 | APDS9960_DEFAULT_PGAIN = APDS9960_PGAIN_4X 143 | APDS9960_DEFAULT_AGAIN = APDS9960_AGAIN_4X 144 | APDS9960_DEFAULT_PILT = 0 # Low proximity threshold 145 | APDS9960_DEFAULT_PIHT = 50 # High proximity threshold 146 | APDS9960_DEFAULT_AILT = 0xffff # Force interrupt for calibration 147 | APDS9960_DEFAULT_AIHT = 0 148 | APDS9960_DEFAULT_PERS = 0x11 # 2 consecutive prox or ALS for int. 149 | APDS9960_DEFAULT_CONFIG2 = 0x01 # No saturation interrupts or LED boost 150 | APDS9960_DEFAULT_CONFIG3 = 0 # Enable all photodiodes, no SAI 151 | APDS9960_DEFAULT_GPENTH = 40 # Threshold for entering gesture mode 152 | APDS9960_DEFAULT_GEXTH = 30 # Threshold for exiting gesture mode 153 | APDS9960_DEFAULT_GCONF1 = 0x40 # 4 gesture events for int., 1 for exit 154 | APDS9960_DEFAULT_GGAIN = APDS9960_GGAIN_4X 155 | APDS9960_DEFAULT_GLDRIVE = APDS9960_LED_DRIVE_100MA 156 | APDS9960_DEFAULT_GWTIME = APDS9960_GWTIME_2_8MS 157 | APDS9960_DEFAULT_GOFFSET = 0 # No offset scaling for gesture mode 158 | APDS9960_DEFAULT_GPULSE = 0xc9 # 32us, 10 pulses 159 | APDS9960_DEFAULT_GCONF3 = 0 # All photodiodes active during gesture 160 | APDS9960_DEFAULT_GIEN = 0 # Disable gesture interrupts 161 | 162 | # gesture directions 163 | APDS9960_DIR_NONE = 0 164 | APDS9960_DIR_LEFT = 1 165 | APDS9960_DIR_RIGHT = 2 166 | APDS9960_DIR_UP = 3 167 | APDS9960_DIR_DOWN = 4 168 | APDS9960_DIR_NEAR = 5 169 | APDS9960_DIR_FAR = 6 170 | APDS9960_DIR_ALL = 7 171 | 172 | # state definitions 173 | APDS9960_STATE_NA = 0 174 | APDS9960_STATE_NEAR = 1 175 | APDS9960_STATE_FAR = 2 176 | APDS9960_STATE_ALL = 3 177 | -------------------------------------------------------------------------------- /apds9960/device.py: -------------------------------------------------------------------------------- 1 | from apds9960.const import * 2 | from apds9960.exceptions import * 3 | 4 | from time import sleep 5 | 6 | class APDS9960: 7 | class GestureData: 8 | def __init__(self): 9 | self.u_data = [0] * 32 10 | self.d_data = [0] * 32 11 | self.l_data = [0] * 32 12 | self.r_data = [0] * 32 13 | self.index = 0 14 | self.total_gestures = 0 15 | self.in_threshold = 0 16 | self.out_threshold = 0 17 | 18 | def __init__(self, bus, address=APDS9960_I2C_ADDR, valid_id=APDS9960_DEV_ID): 19 | # I2C stuff 20 | self.address = address 21 | self.bus = bus 22 | 23 | # instance variables for gesture detection 24 | self.gesture_ud_delta_ = 0 25 | self.gesture_lr_delta_ = 0 26 | 27 | self.gesture_ud_count_ = 0 28 | self.gesture_lr_count_ = 0 29 | 30 | self.gesture_near_count_ = 0 31 | self.gesture_far_count_ = 0 32 | 33 | self.gesture_state_ = 0 34 | self.gesture_motion_ = APDS9960_DIR_NONE 35 | 36 | self.gesture_data_ = APDS9960.GestureData() 37 | 38 | # check device id 39 | self.dev_id = self._read_byte_data(APDS9960_REG_ID) 40 | if not self.dev_id in valid_id: 41 | raise ADPS9960InvalidDevId(self.dev_id, valid_id) 42 | 43 | # disable all features 44 | self.setMode(APDS9960_MODE_ALL, False) 45 | 46 | # set default values for ambient light and proximity registers 47 | self._write_byte_data(APDS9960_REG_ATIME, APDS9960_DEFAULT_ATIME) 48 | self._write_byte_data(APDS9960_REG_WTIME, APDS9960_DEFAULT_WTIME) 49 | self._write_byte_data(APDS9960_REG_PPULSE, APDS9960_DEFAULT_PROX_PPULSE) 50 | self._write_byte_data(APDS9960_REG_POFFSET_UR, APDS9960_DEFAULT_POFFSET_UR) 51 | self._write_byte_data(APDS9960_REG_POFFSET_DL, APDS9960_DEFAULT_POFFSET_DL) 52 | self._write_byte_data(APDS9960_REG_CONFIG1, APDS9960_DEFAULT_CONFIG1) 53 | self.setLEDDrive(APDS9960_DEFAULT_LDRIVE) 54 | self.setProximityGain(APDS9960_DEFAULT_PGAIN) 55 | self.setAmbientLightGain(APDS9960_DEFAULT_AGAIN) 56 | self.setProxIntLowThresh(APDS9960_DEFAULT_PILT) 57 | self.setProxIntHighThresh(APDS9960_DEFAULT_PIHT) 58 | self.setLightIntLowThreshold(APDS9960_DEFAULT_AILT) 59 | self.setLightIntHighThreshold(APDS9960_DEFAULT_AIHT) 60 | 61 | self._write_byte_data(APDS9960_REG_PERS, APDS9960_DEFAULT_PERS) 62 | self._write_byte_data(APDS9960_REG_CONFIG2, APDS9960_DEFAULT_CONFIG2) 63 | self._write_byte_data(APDS9960_REG_CONFIG3, APDS9960_DEFAULT_CONFIG3) 64 | 65 | # set default values for gesture sense registers 66 | self.setGestureEnterThresh(APDS9960_DEFAULT_GPENTH) 67 | self.setGestureExitThresh(APDS9960_DEFAULT_GEXTH) 68 | self._write_byte_data(APDS9960_REG_GCONF1, APDS9960_DEFAULT_GCONF1) 69 | 70 | self.setGestureGain(APDS9960_DEFAULT_GGAIN) 71 | self.setGestureLEDDrive(APDS9960_DEFAULT_GLDRIVE) 72 | self.setGestureWaitTime(APDS9960_DEFAULT_GWTIME) 73 | self._write_byte_data(APDS9960_REG_GOFFSET_U, APDS9960_DEFAULT_GOFFSET) 74 | self._write_byte_data(APDS9960_REG_GOFFSET_D, APDS9960_DEFAULT_GOFFSET) 75 | self._write_byte_data(APDS9960_REG_GOFFSET_L, APDS9960_DEFAULT_GOFFSET) 76 | self._write_byte_data(APDS9960_REG_GOFFSET_R, APDS9960_DEFAULT_GOFFSET) 77 | self._write_byte_data(APDS9960_REG_GPULSE, APDS9960_DEFAULT_GPULSE) 78 | self._write_byte_data(APDS9960_REG_GCONF3, APDS9960_DEFAULT_GCONF3) 79 | self.setGestureIntEnable(APDS9960_DEFAULT_GIEN) 80 | 81 | 82 | def getMode(self): 83 | return self._read_byte_data(APDS9960_REG_ENABLE) 84 | 85 | def setMode(self, mode, enable=True): 86 | # read ENABLE register 87 | reg_val = self.getMode() 88 | 89 | if mode < 0 or mode > APDS9960_MODE_ALL: 90 | raise ADPS9960InvalidMode(mode) 91 | 92 | # change bit(s) in ENABLE register */ 93 | if mode == APDS9960_MODE_ALL: 94 | if enable: 95 | reg_val = 0x7f 96 | else: 97 | reg_val = 0x00 98 | else: 99 | if enable: 100 | reg_val |= (1 << mode) 101 | else: 102 | reg_val &= ~(1 << mode) 103 | 104 | # write value to ENABLE register 105 | self._write_byte_data(APDS9960_REG_ENABLE, reg_val) 106 | 107 | 108 | # start the light (R/G/B/Ambient) sensor 109 | def enableLightSensor(self, interrupts=True): 110 | self.setAmbientLightGain(APDS9960_DEFAULT_AGAIN) 111 | self.setAmbientLightIntEnable(interrupts) 112 | self.enablePower() 113 | self.setMode(APDS9960_MODE_AMBIENT_LIGHT, True) 114 | 115 | # stop the light sensor 116 | def disableLightSensor(self): 117 | self.setAmbientLightIntEnable(False) 118 | self.setMode(APDS9960_MODE_AMBIENT_LIGHT, False) 119 | 120 | 121 | # start the proximity sensor 122 | def enableProximitySensor(self, interrupts=True): 123 | self.setProximityGain(APDS9960_DEFAULT_PGAIN) 124 | self.setLEDDrive(APDS9960_DEFAULT_LDRIVE) 125 | self.setProximityIntEnable(interrupts) 126 | self.enablePower() 127 | self.setMode(APDS9960_MODE_PROXIMITY, True) 128 | 129 | # stop the proximity sensor 130 | def disableProximitySensor(self): 131 | self.setProximityIntEnable(False) 132 | self.setMode(APDS9960_MODE_PROXIMITY, False) 133 | 134 | 135 | # start the gesture recognition engine 136 | def enableGestureSensor(self, interrupts=True): 137 | self.resetGestureParameters() 138 | self._write_byte_data(APDS9960_REG_WTIME, 0xff) 139 | self._write_byte_data(APDS9960_REG_PPULSE, APDS9960_DEFAULT_GESTURE_PPULSE) 140 | self.setLEDBoost(APDS9960_LED_BOOST_300) 141 | self.setGestureIntEnable(interrupts) 142 | self.setGestureMode(True) 143 | self.enablePower() 144 | self.setMode(APDS9960_MODE_WAIT, True) 145 | self.setMode(APDS9960_MODE_PROXIMITY, True) 146 | self.setMode(APDS9960_MODE_GESTURE, True) 147 | 148 | # stop the gesture recognition engine 149 | def disableGestureSensor(self): 150 | self.resetGestureParameters() 151 | self.setGestureIntEnable(False) 152 | self.setGestureMode(False) 153 | self.setMode(APDS9960_MODE_GESTURE, False) 154 | 155 | 156 | # check if there is a gesture available 157 | def isGestureAvailable(self): 158 | val = self._read_byte_data(APDS9960_REG_GSTATUS) 159 | 160 | # shift and mask out GVALID bit 161 | val &= APDS9960_BIT_GVALID 162 | 163 | return (val == APDS9960_BIT_GVALID) 164 | 165 | 166 | # processes a gesture event and returns best guessed gesture 167 | def readGesture(self): 168 | fifo_level = 0 169 | bytes_read = 0 170 | fifo_data = [] 171 | 172 | # make sure that power and gesture is on and data is valid 173 | if not (self.getMode() & 0b01000001) or not self.isGestureAvailable(): 174 | return APDS9960_DIR_NONE 175 | 176 | # keep looping as long as gesture data is valid 177 | while(self.isGestureAvailable()): 178 | # read the current FIFO level 179 | fifo_level = self._read_byte_data(APDS9960_REG_GFLVL) 180 | 181 | # if there's stuff in the FIFO, read it into our data block 182 | if fifo_level > 0: 183 | fifo_data = [] 184 | for i in range(0, fifo_level): 185 | fifo_data += self._read_i2c_block_data(APDS9960_REG_GFIFO_U, 4) 186 | 187 | # if at least 1 set of data, sort the data into U/D/L/R 188 | if len(fifo_data) >= 4: 189 | for i in range(0, len(fifo_data), 4): 190 | self.gesture_data_.u_data[self.gesture_data_.index] = fifo_data[i + 0] 191 | self.gesture_data_.d_data[self.gesture_data_.index] = fifo_data[i + 1] 192 | self.gesture_data_.l_data[self.gesture_data_.index] = fifo_data[i + 2] 193 | self.gesture_data_.r_data[self.gesture_data_.index] = fifo_data[i + 3] 194 | self.gesture_data_.index += 1 195 | self.gesture_data_.total_gestures += 1 196 | 197 | # filter and process gesture data, decode near/far state 198 | if self.processGestureData(): 199 | if self.decodeGesture(): 200 | #***TODO: U-Turn Gestures 201 | pass 202 | 203 | # reset data 204 | self.gesture_data_.index = 0 205 | self.gesture_data_.total_gestures = 0 206 | 207 | # wait some time to collect next batch of FIFO data 208 | sleep(APDS9960_TIME_FIFO_PAUSE) 209 | 210 | # determine best guessed gesture and clean up 211 | sleep(APDS9960_TIME_FIFO_PAUSE) 212 | self.decodeGesture() 213 | motion = self.gesture_motion_ 214 | 215 | self.resetGestureParameters() 216 | return motion 217 | 218 | 219 | # turn the APDS-9960 on 220 | def enablePower(self): 221 | self.setMode(APDS9960_MODE_POWER, True) 222 | 223 | 224 | def disablePower(self): 225 | # turn the APDS-9960 off 226 | self.setMode(APDS9960_MODE_POWER, False) 227 | 228 | 229 | 230 | # ******************************************************************************* 231 | # ambient light and color sensor controls 232 | # ******************************************************************************* 233 | 234 | # check if there is new light data available 235 | def isLightAvailable(self): 236 | val = self._read_byte_data(APDS9960_REG_STATUS) 237 | 238 | # shift and mask out AVALID bit 239 | val &= APDS9960_BIT_AVALID 240 | 241 | return (val == APDS9960_BIT_AVALID) 242 | 243 | # reads the ambient (clear) light level as a 16-bit value 244 | def readAmbientLight(self): 245 | # read value from clear channel, low byte register 246 | l = self._read_byte_data(APDS9960_REG_CDATAL) 247 | 248 | # read value from clear channel, high byte register 249 | h = self._read_byte_data(APDS9960_REG_CDATAH) 250 | 251 | return l + (h << 8) 252 | 253 | # reads the red light level as a 16-bit value 254 | def readRedLight(self): 255 | # read value from red channel, low byte register 256 | l = self._read_byte_data(APDS9960_REG_RDATAL) 257 | 258 | # read value from red channel, high byte register 259 | h = self._read_byte_data(APDS9960_REG_RDATAH) 260 | 261 | return l + (h << 8) 262 | 263 | # reads the green light level as a 16-bit value 264 | def readGreenLight(self): 265 | # read value from green channel, low byte register 266 | l = self._read_byte_data(APDS9960_REG_GDATAL) 267 | 268 | # read value from green channel, high byte register 269 | h = self._read_byte_data(APDS9960_REG_GDATAH) 270 | 271 | return l + (h << 8) 272 | 273 | # reads the blue light level as a 16-bit value 274 | def readBlueLight(self): 275 | # read value from blue channel, low byte register 276 | l = self._read_byte_data(APDS9960_REG_BDATAL) 277 | 278 | # read value from blue channel, high byte register 279 | h = self._read_byte_data(APDS9960_REG_BDATAH) 280 | 281 | return l + (h << 8) 282 | 283 | 284 | # ******************************************************************************* 285 | # Proximity sensor controls 286 | # ******************************************************************************* 287 | 288 | # reads the proximity level as an 8-bit value 289 | def readProximity(self): 290 | return self._read_byte_data(APDS9960_REG_PDATA) 291 | 292 | 293 | # ******************************************************************************* 294 | # High-level gesture controls 295 | # ******************************************************************************* 296 | 297 | # resets all the parameters in the gesture data member 298 | def resetGestureParameters(self): 299 | self.gesture_data_.index = 0 300 | self.gesture_data_.total_gestures = 0 301 | 302 | self.gesture_ud_delta_ = 0 303 | self.gesture_lr_delta_ = 0 304 | 305 | self.gesture_ud_count_ = 0 306 | self.gesture_lr_count_ = 0 307 | 308 | self.gesture_near_count_ = 0 309 | self.gesture_far_count_ = 0 310 | 311 | self.gesture_state_ = 0 312 | self.gesture_motion_ = APDS9960_DIR_NONE 313 | 314 | 315 | def processGestureData(self): 316 | """Processes the raw gesture data to determine swipe direction 317 | 318 | Returns: 319 | bool: True if near or far state seen, False otherwise. 320 | """ 321 | u_first = 0 322 | d_first = 0 323 | l_first = 0 324 | r_first = 0 325 | u_last = 0 326 | d_last = 0 327 | l_last = 0 328 | r_last = 0 329 | 330 | # if we have less than 4 total gestures, that's not enough 331 | if self.gesture_data_.total_gestures <= 4: 332 | return False 333 | 334 | # check to make sure our data isn't out of bounds 335 | if self.gesture_data_.total_gestures <= 32 and self.gesture_data_.total_gestures > 0: 336 | # find the first value in U/D/L/R above the threshold 337 | for i in range(0, self.gesture_data_.total_gestures): 338 | if self.gesture_data_.u_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 339 | self.gesture_data_.d_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 340 | self.gesture_data_.l_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 341 | self.gesture_data_.r_data[i] > APDS9960_GESTURE_THRESHOLD_OUT: 342 | 343 | u_first = self.gesture_data_.u_data[i] 344 | d_first = self.gesture_data_.d_data[i] 345 | l_first = self.gesture_data_.l_data[i] 346 | r_first = self.gesture_data_.r_data[i] 347 | break 348 | 349 | # if one of the _first values is 0, then there is no good data 350 | if u_first == 0 or d_first == 0 or l_first == 0 or r_first == 0: 351 | return False 352 | 353 | # find the last value in U/D/L/R above the threshold 354 | for i in reversed(range(0, self.gesture_data_.total_gestures)): 355 | if self.gesture_data_.u_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 356 | self.gesture_data_.d_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 357 | self.gesture_data_.l_data[i] > APDS9960_GESTURE_THRESHOLD_OUT and \ 358 | self.gesture_data_.r_data[i] > APDS9960_GESTURE_THRESHOLD_OUT: 359 | 360 | u_last = self.gesture_data_.u_data[i] 361 | d_last = self.gesture_data_.d_data[i] 362 | l_last = self.gesture_data_.l_data[i] 363 | r_last = self.gesture_data_.r_data[i] 364 | break 365 | 366 | # calculate the first vs. last ratio of up/down and left/right 367 | ud_ratio_first = ((u_first - d_first) * 100) / (u_first + d_first) 368 | lr_ratio_first = ((l_first - r_first) * 100) / (l_first + r_first) 369 | ud_ratio_last = ((u_last - d_last) * 100) / (u_last + d_last) 370 | lr_ratio_last = ((l_last - r_last) * 100) / (l_last + r_last) 371 | 372 | # determine the difference between the first and last ratios 373 | ud_delta = ud_ratio_last - ud_ratio_first 374 | lr_delta = lr_ratio_last - lr_ratio_first 375 | 376 | # accumulate the UD and LR delta values 377 | self.gesture_ud_delta_ += ud_delta 378 | self.gesture_lr_delta_ += lr_delta 379 | 380 | # determine U/D gesture 381 | if self.gesture_ud_delta_ >= APDS9960_GESTURE_SENSITIVITY_1: 382 | self.gesture_ud_count_ = 1 383 | elif self.gesture_ud_delta_ <= -APDS9960_GESTURE_SENSITIVITY_1: 384 | self.gesture_ud_count_ = -1 385 | else: 386 | self.gesture_ud_count_ = 0 387 | 388 | # determine L/R gesture 389 | if self.gesture_lr_delta_ >= APDS9960_GESTURE_SENSITIVITY_1: 390 | self.gesture_lr_count_ = 1 391 | elif self.gesture_lr_delta_ <= -APDS9960_GESTURE_SENSITIVITY_1: 392 | self.gesture_lr_count_ = -1 393 | else: 394 | self.gesture_lr_count_ = 0 395 | 396 | # determine Near/Far gesture 397 | if self.gesture_ud_count_ == 0 and self.gesture_lr_count_ == 0: 398 | if abs(ud_delta) < APDS9960_GESTURE_SENSITIVITY_2 and \ 399 | abs(lr_delta) < APDS9960_GESTURE_SENSITIVITY_2: 400 | 401 | if ud_delta == 0 and lr_delta == 0: 402 | self.gesture_near_count_ += 1 403 | elif ud_delta != 0 or lr_delta != 0: 404 | self.gesture_far_count_ += 1 405 | 406 | if self.gesture_near_count_ >= 10 and self.gesture_far_count_ >= 2: 407 | if ud_delta == 0 and lr_delta == 0: 408 | self.gesture_state_ = APDS9960_STATE_NEAR 409 | elif ud_delta != 0 and lr_delta != 0: 410 | self.gesture_state_ = APDS9960_STATE_FAR 411 | return True 412 | else: 413 | if abs(ud_delta) < APDS9960_GESTURE_SENSITIVITY_2 and \ 414 | abs(lr_delta) < APDS9960_GESTURE_SENSITIVITY_2: 415 | 416 | if ud_delta == 0 and lr_delta == 0: 417 | self.gesture_near_count_ += 1 418 | 419 | if self.gesture_near_count_ >= 10: 420 | self.gesture_ud_count_ = 0 421 | self.gesture_lr_count_ = 0 422 | self.gesture_ud_delta_ = 0 423 | self.gesture_lr_delta_ = 0 424 | 425 | return False 426 | 427 | def decodeGesture(self): 428 | """Determines swipe direction or near/far state. 429 | """ 430 | 431 | # return if near or far event is detected 432 | if self.gesture_state_ == APDS9960_STATE_NEAR: 433 | self.gesture_motion_ = APDS9960_DIR_NEAR 434 | return True 435 | 436 | if self.gesture_state_ == APDS9960_STATE_FAR: 437 | self.gesture_motion_ = APDS9960_DIR_FAR 438 | return True 439 | 440 | # determine swipe direction 441 | if self.gesture_ud_count_ == -1 and self.gesture_lr_count_ == 0: 442 | self.gesture_motion_ = APDS9960_DIR_UP 443 | elif self.gesture_ud_count_ == 1 and self.gesture_lr_count_ == 0: 444 | self.gesture_motion_ = APDS9960_DIR_DOWN 445 | elif self.gesture_ud_count_ == 0 and self.gesture_lr_count_ == 1: 446 | self.gesture_motion_ = APDS9960_DIR_RIGHT 447 | elif self.gesture_ud_count_ == 0 and self.gesture_lr_count_ == -1: 448 | self.gesture_motion_ = APDS9960_DIR_LEFT 449 | elif self.gesture_ud_count_ == -1 and self.gesture_lr_count_ == 1: 450 | if abs(self.gesture_ud_delta_) > abs(self.gesture_lr_delta_): 451 | self.gesture_motion_ = APDS9960_DIR_UP 452 | else: 453 | self.gesture_motion_ = APDS9960_DIR_DOWN 454 | elif self.gesture_ud_count_ == 1 and self.gesture_lr_count_ == -1: 455 | if abs(self.gesture_ud_delta_) > abs(self.gesture_lr_delta_): 456 | self.gesture_motion_ = APDS9960_DIR_DOWN 457 | else: 458 | self.gesture_motion_ = APDS9960_DIR_LEFT 459 | elif self.gesture_ud_count_ == -1 and self.gesture_lr_count_ == -1: 460 | if abs(self.gesture_ud_delta_) > abs(self.gesture_lr_delta_): 461 | self.gesture_motion_ = APDS9960_DIR_UP 462 | else: 463 | self.gesture_motion_ = APDS9960_DIR_LEFT 464 | elif self.gesture_ud_count_ == 1 and self.gesture_lr_count_ == 1: 465 | if abs(self.gesture_ud_delta_) > abs(self.gesture_lr_delta_): 466 | self.gesture_motion_ = APDS9960_DIR_DOWN 467 | else: 468 | self.gesture_motion_ = APDS9960_DIR_RIGHT 469 | else: 470 | return False 471 | 472 | return True 473 | 474 | 475 | # ******************************************************************************* 476 | # Getters and setters for register values 477 | # ******************************************************************************* 478 | 479 | def getProxIntLowThresh(self): 480 | """Returns the lower threshold for proximity detection 481 | """ 482 | return self._read_byte_data(APDS9960_REG_PILT) 483 | 484 | def setProxIntLowThresh(self, threshold): 485 | """Sets the lower threshold for proximity detection. 486 | """ 487 | self._write_byte_data(APDS9960_REG_PILT, threshold) 488 | 489 | 490 | def getProxIntHighThresh(self): 491 | """Returns the high threshold for proximity detection. 492 | """ 493 | return self._read_byte_data(APDS9960_REG_PIHT) 494 | 495 | def setProxIntHighThresh(self, threshold): 496 | """Sets the high threshold for proximity detection. 497 | """ 498 | self._write_byte_data(APDS9960_REG_PIHT, threshold) 499 | 500 | 501 | def getLEDDrive(self): 502 | """Returns LED drive strength for proximity and ALS. 503 | 504 | Value LED Current 505 | 0 100 mA 506 | 1 50 mA 507 | 2 25 mA 508 | 3 12.5 mA 509 | 510 | Returns: 511 | int: the value of the LED drive strength 512 | """ 513 | val = self._read_byte_data(APDS9960_REG_CONTROL) 514 | 515 | # shift and mask out LED drive bits 516 | return (val >> 6) & 0b00000011 517 | 518 | def setLEDDrive(self, drive): 519 | """Sets LED drive strength for proximity and ALS. 520 | 521 | Value LED Current 522 | 0 100 mA 523 | 1 50 mA 524 | 2 25 mA 525 | 3 12.5 mA 526 | 527 | Args: 528 | drive (int): value for the LED drive strength 529 | """ 530 | val = self._read_byte_data(APDS9960_REG_CONTROL) 531 | 532 | # set bits in register to given value 533 | drive &= 0b00000011 534 | drive = drive << 6 535 | val &= 0b00111111 536 | val |= drive 537 | 538 | self._write_byte_data(APDS9960_REG_CONTROL, val) 539 | 540 | 541 | def getProximityGain(self): 542 | """Returns receiver gain for proximity detection. 543 | 544 | Value Gain 545 | 0 1x 546 | 1 2x 547 | 2 4x 548 | 3 8x 549 | 550 | Returns: 551 | int: the value of the proximity gain 552 | """ 553 | val = self._read_byte_data(APDS9960_REG_CONTROL) 554 | 555 | # shift and mask out PDRIVE bits 556 | return (val >> 2) & 0b00000011 557 | 558 | def setProximityGain(self, drive): 559 | """Returns receiver gain for proximity detection. 560 | 561 | Value Gain 562 | 0 1x 563 | 1 2x 564 | 2 4x 565 | 3 8x 566 | 567 | Args: 568 | drive (int): value for the proximity gain 569 | """ 570 | val = self._read_byte_data(APDS9960_REG_CONTROL) 571 | 572 | # set bits in register to given value 573 | drive &= 0b00000011 574 | drive = drive << 2 575 | val &= 0b11110011 576 | val |= drive 577 | 578 | self._write_byte_data(APDS9960_REG_CONTROL, val) 579 | 580 | 581 | def getAmbientLightGain(self): 582 | """Returns receiver gain for the ambient light sensor (ALS). 583 | 584 | Value Gain 585 | 0 1x 586 | 1 4x 587 | 2 16x 588 | 3 64x 589 | 590 | Returns: 591 | int: the value of the ALS gain 592 | """ 593 | val = self._read_byte_data(APDS9960_REG_CONTROL) 594 | 595 | # shift and mask out ADRIVE bits 596 | return (val & 0b00000011) 597 | 598 | def setAmbientLightGain(self, drive): 599 | """Sets the receiver gain for the ambient light sensor (ALS). 600 | 601 | Value Gain 602 | 0 1x 603 | 1 4x 604 | 2 16x 605 | 3 64x 606 | 607 | Args: 608 | drive (int): value for the ALS gain 609 | """ 610 | val = self._read_byte_data(APDS9960_REG_CONTROL) 611 | 612 | # set bits in register to given value 613 | drive &= 0b00000011 614 | val &= 0b11111100 615 | val |= drive 616 | 617 | self._write_byte_data(APDS9960_REG_CONTROL, val) 618 | 619 | 620 | def getLEDBoost(self): 621 | """Get the current LED boost value. 622 | 623 | Value Gain 624 | 0 100% 625 | 1 150% 626 | 2 200% 627 | 3 300% 628 | 629 | Returns: 630 | int: the LED boost value 631 | """ 632 | val = self._read_byte_data(APDS9960_REG_CONFIG2) 633 | 634 | # shift and mask out LED_BOOST bits 635 | return (val >> 4) & 0b00000011 636 | 637 | def setLEDBoost(self, boost): 638 | """Sets the LED current boost value. 639 | 640 | Value Gain 641 | 0 100% 642 | 1 150% 643 | 2 200% 644 | 3 300% 645 | 646 | Args: 647 | boost (int): value for the LED boost 648 | """ 649 | val = self._read_byte_data(APDS9960_REG_CONFIG2) 650 | 651 | # set bits in register to given value 652 | boost &= 0b00000011 653 | boost = boost << 4 654 | val &= 0b11001111 655 | val |= boost 656 | 657 | self._write_byte_data(APDS9960_REG_CONFIG2, val) 658 | 659 | 660 | def getProxGainCompEnable(self): 661 | """Gets proximity gain compensation enable. 662 | 663 | Returns: 664 | bool: True if compensation is enabled, False if not 665 | """ 666 | val = self._read_byte_data(APDS9960_REG_CONFIG3) 667 | 668 | # Shift and mask out PCMP bits 669 | val = (val >> 5) & 0b00000001 670 | return val == 1 671 | 672 | def setProxGainCompEnable(self, enable): 673 | """Sets the proximity gain compensation enable. 674 | 675 | Args: 676 | enable (bool): True to enable compensation, False to disable 677 | """ 678 | val = self._read_byte_data(APDS9960_REG_CONFIG3) 679 | 680 | # set bits in register to given value 681 | val &= 0b11011111 682 | if enable: 683 | val |= 0b00100000 684 | 685 | self._write_byte_data(APDS9960_REG_CONFIG3, val) 686 | 687 | 688 | def getProxPhotoMask(self): 689 | """Gets the current mask for enabled/disabled proximity photodiodes. 690 | 691 | Bit Photodiode 692 | 3 UP 693 | 2 DOWN 694 | 1 LEFT 695 | 0 RIGHT 696 | 697 | 1 = disabled, 0 = enabled 698 | 699 | Returns: 700 | int: Current proximity mask for photodiodes. 701 | """ 702 | val = self._read_byte_data(APDS9960_REG_CONFIG3) 703 | 704 | # mask out photodiode enable mask bits 705 | return val & 0b00001111 706 | 707 | def setProxPhotoMask(self, mask): 708 | """Sets the mask for enabling/disabling proximity photodiodes. 709 | 710 | Bit Photodiode 711 | 3 UP 712 | 2 DOWN 713 | 1 LEFT 714 | 0 RIGHT 715 | 716 | 1 = disabled, 0 = enabled 717 | 718 | Args: 719 | mask (int): 4-bit mask value 720 | """ 721 | val = self._read_byte_data(APDS9960_REG_CONFIG3) 722 | 723 | # set bits in register to given value 724 | mask &= 0b00001111 725 | val &= 0b11110000 726 | val |= mask 727 | 728 | self._write_byte_data(APDS9960_REG_CONFIG3, val) 729 | 730 | 731 | def getGestureEnterThresh(self): 732 | """Gets the entry proximity threshold for gesture sensing. 733 | 734 | Returns: 735 | int: current entry proximity threshold 736 | """ 737 | return self._read_byte_data(APDS9960_REG_GPENTH) 738 | 739 | def setGestureEnterThresh(self, threshold): 740 | """Sets the entry proximity threshold for gesture sensing. 741 | 742 | Args: 743 | threshold (int): threshold proximity value needed to start gesture mode 744 | """ 745 | self._write_byte_data(APDS9960_REG_GPENTH, threshold) 746 | 747 | 748 | def getGestureExitThresh(self): 749 | """Gets the exit proximity threshold for gesture sensing. 750 | 751 | Returns: 752 | int: current exit proximity threshold 753 | """ 754 | return self._read_byte_data(APDS9960_REG_GEXTH) 755 | 756 | def setGestureExitThresh(self, threshold): 757 | """Sets the exit proximity threshold for gesture sensing. 758 | 759 | Args: 760 | threshold (int): threshold proximity value needed to end gesture mode 761 | """ 762 | self._write_byte_data(APDS9960_REG_GEXTH, threshold) 763 | 764 | 765 | def getGestureGain(self): 766 | """Gets the gain of the photodiode during gesture mode. 767 | 768 | Value Gain 769 | 0 1x 770 | 1 2x 771 | 2 4x 772 | 3 8x 773 | 774 | Returns: 775 | int: the current photodiode gain 776 | """ 777 | val = self._read_byte_data(APDS9960_REG_GCONF2) 778 | 779 | # shift and mask out PDRIVE bits 780 | return (val >> 5) & 0b00000011 781 | 782 | def setGestureGain(self, gain): 783 | """Sets the gain of the photodiode during gesture mode. 784 | 785 | Value Gain 786 | 0 1x 787 | 1 2x 788 | 2 4x 789 | 3 8x 790 | 791 | Args: 792 | gain (int): the value for the photodiode gain 793 | """ 794 | val = self._read_byte_data(APDS9960_REG_GCONF2) 795 | 796 | # set bits in register to given value 797 | gain &= 0b00000011 798 | gain = gain << 5 799 | val &= 0b10011111 800 | val |= gain 801 | 802 | self._write_byte_data(APDS9960_REG_GCONF2, val) 803 | 804 | 805 | def getGestureLEDDrive(self): 806 | """Gets the drive current of the LED during gesture mode. 807 | 808 | Value LED Current 809 | 0 100 mA 810 | 1 50 mA 811 | 2 25 mA 812 | 3 12.5 mA 813 | 814 | Returns: 815 | int: the LED drive current value 816 | """ 817 | val = self._read_byte_data(APDS9960_REG_GCONF2) 818 | 819 | # shift and mask out LED drive bits 820 | return (val >> 3) & 0b00000011 821 | 822 | def setGestureLEDDrive(self, drive): 823 | """Sets LED drive strength for proximity and ALS. 824 | 825 | Value LED Current 826 | 0 100 mA 827 | 1 50 mA 828 | 2 25 mA 829 | 3 12.5 mA 830 | 831 | Args: 832 | drive (int): value for the LED drive current 833 | """ 834 | val = self._read_byte_data(APDS9960_REG_GCONF2) 835 | 836 | # set bits in register to given value 837 | drive &= 0b00000011 838 | drive = drive << 3 839 | val &= 0b11100111 840 | val |= drive 841 | 842 | self._write_byte_data(APDS9960_REG_GCONF2, val) 843 | 844 | 845 | def getGestureWaitTime(self): 846 | """Gets the time in low power mode between gesture detections. 847 | 848 | Value Wait time 849 | 0 0 ms 850 | 1 2.8 ms 851 | 2 5.6 ms 852 | 3 8.4 ms 853 | 4 14.0 ms 854 | 5 22.4 ms 855 | 6 30.8 ms 856 | 7 39.2 ms 857 | 858 | Returns: 859 | int: the current wait time between gestures 860 | """ 861 | val = self._read_byte_data(APDS9960_REG_GCONF2) 862 | 863 | # shift and mask out LED drive bits 864 | return val & 0b00000111 865 | 866 | def setGestureWaitTime(self, time): 867 | """Sets the time in low power mode between gesture detections. 868 | 869 | Value Wait time 870 | 0 0 ms 871 | 1 2.8 ms 872 | 2 5.6 ms 873 | 3 8.4 ms 874 | 4 14.0 ms 875 | 5 22.4 ms 876 | 6 30.8 ms 877 | 7 39.2 ms 878 | 879 | Args: 880 | time (int): value for the wait time 881 | """ 882 | val = self._read_byte_data(APDS9960_REG_GCONF2) 883 | 884 | # set bits in register to given value 885 | time &= 0b00000111 886 | val &= 0b11111000 887 | val |= time 888 | 889 | self._write_byte_data(APDS9960_REG_GCONF2, val) 890 | 891 | 892 | def getLightIntLowThreshold(self): 893 | """Gets the low threshold for ambient light interrupts. 894 | 895 | Returns: 896 | int: threshold current low threshold stored on the APDS9960 897 | """ 898 | return self._read_byte_data(APDS9960_REG_AILTL) | (self._read_byte_data(APDS9960_REG_AILTH) << 8) 899 | 900 | def setLightIntLowThreshold(self, threshold): 901 | """Sets the low threshold for ambient light interrupts. 902 | 903 | Args: 904 | threshold (int): low threshold value for interrupt to trigger 905 | """ 906 | # break 16-bit threshold into 2 8-bit values 907 | self._write_byte_data(APDS9960_REG_AILTL, threshold & 0x00ff) 908 | self._write_byte_data(APDS9960_REG_AILTH, (threshold & 0xff00) >> 8) 909 | 910 | 911 | def getLightIntHighThreshold(self): 912 | """Gets the high threshold for ambient light interrupts. 913 | 914 | Returns: 915 | int: threshold current low threshold stored on the APDS9960 916 | """ 917 | return self._read_byte_data(APDS9960_REG_AIHTL) | (self._read_byte_data(APDS9960_REG_AIHTH) << 8) 918 | 919 | def setLightIntHighThreshold(self, threshold): 920 | """Sets the high threshold for ambient light interrupts. 921 | 922 | Args: 923 | threshold (int): high threshold value for interrupt to trigger 924 | """ 925 | # break 16-bit threshold into 2 8-bit values 926 | self._write_byte_data(APDS9960_REG_AIHTL, threshold & 0x00ff) 927 | self._write_byte_data(APDS9960_REG_AIHTH, (threshold & 0xff00) >> 8) 928 | 929 | 930 | def getProximityIntLowThreshold(self): 931 | """Gets the low threshold for proximity interrupts. 932 | 933 | Returns: 934 | int: threshold current low threshold stored on the APDS9960 935 | """ 936 | return self._read_byte_data(APDS9960_REG_PILT) 937 | 938 | def setProximityIntLowThreshold(self, threshold): 939 | """Sets the low threshold for proximity interrupts. 940 | 941 | Args: 942 | threshold (int): low threshold value for interrupt to trigger 943 | """ 944 | self._write_byte_data(APDS9960_REG_PILT, threshold) 945 | 946 | 947 | def getProximityIntHighThreshold(self): 948 | """Gets the high threshold for proximity interrupts. 949 | 950 | Returns: 951 | int: threshold current high threshold stored on the APDS9960 952 | """ 953 | return self._read_byte_data(APDS9960_REG_PIHT) 954 | 955 | def setProximityIntHighThreshold(self, threshold): 956 | """Sets the high threshold for proximity interrupts. 957 | 958 | Args: 959 | threshold (int): high threshold value for interrupt to trigger 960 | """ 961 | self._write_byte_data(APDS9960_REG_PIHT, threshold) 962 | 963 | 964 | def getAmbientLightIntEnable(self): 965 | """Gets if ambient light interrupts are enabled or not. 966 | 967 | Returns: 968 | bool: True if interrupts are enabled, False if not 969 | """ 970 | val = self._read_byte_data(APDS9960_REG_ENABLE) 971 | return (val >> 4) & 0b00000001 == 1 972 | 973 | def setAmbientLightIntEnable(self, enable): 974 | """Turns ambient light interrupts on or off. 975 | 976 | Args: 977 | enable (bool): True to enable interrupts, False to turn them off 978 | """ 979 | val = self._read_byte_data(APDS9960_REG_ENABLE) 980 | 981 | # set bits in register to given value 982 | val &= 0b11101111 983 | if enable: 984 | val |= 0b00010000 985 | 986 | self._write_byte_data(APDS9960_REG_ENABLE, val) 987 | 988 | 989 | def getProximityIntEnable(self): 990 | """Gets if proximity interrupts are enabled or not. 991 | 992 | Returns: 993 | bool: True if interrupts are enabled, False if not 994 | """ 995 | val = self._read_byte_data(APDS9960_REG_ENABLE) 996 | return (val >> 5) & 0b00000001 == 1 997 | 998 | def setProximityIntEnable(self, enable): 999 | """Turns proximity interrupts on or off. 1000 | 1001 | Args: 1002 | enable (bool): True to enable interrupts, False to turn them off 1003 | """ 1004 | val = self._read_byte_data(APDS9960_REG_ENABLE) 1005 | 1006 | # set bits in register to given value 1007 | val &= 0b11011111 1008 | if enable: 1009 | val |= 0b00100000 1010 | 1011 | self._write_byte_data(APDS9960_REG_ENABLE, val) 1012 | 1013 | 1014 | def getGestureIntEnable(self): 1015 | """Gets if gesture interrupts are enabled or not. 1016 | 1017 | Returns: 1018 | bool: True if interrupts are enabled, False if not 1019 | """ 1020 | val = self._read_byte_data(APDS9960_REG_GCONF4) 1021 | return (val >> 1) & 0b00000001 == 1 1022 | 1023 | def setGestureIntEnable(self, enable): 1024 | """Turns gesture-related interrupts on or off. 1025 | 1026 | Args: 1027 | enable (bool): True to enable interrupts, False to turn them off 1028 | """ 1029 | val = self._read_byte_data(APDS9960_REG_GCONF4) 1030 | 1031 | # set bits in register to given value 1032 | val &= 0b11111101 1033 | if enable: 1034 | val |= 0b00000010 1035 | 1036 | self._write_byte_data(APDS9960_REG_GCONF4, val) 1037 | 1038 | 1039 | def clearAmbientLightInt(self): 1040 | """Clears the ambient light interrupt. 1041 | """ 1042 | self._read_byte_data(APDS9960_REG_AICLEAR) 1043 | 1044 | 1045 | def clearProximityInt(self): 1046 | """Clears the proximity interrupt. 1047 | """ 1048 | self._read_byte_data(APDS9960_REG_PICLEAR) 1049 | 1050 | 1051 | def getGestureMode(self): 1052 | """Tells if the gesture state machine is currently running. 1053 | 1054 | Returns: 1055 | bool: True if gesture state machine is running, False if not 1056 | """ 1057 | val = self._read_byte_data(APDS9960_REG_GCONF4) 1058 | return val & 0b00000001 == 1 1059 | 1060 | def setGestureMode(self, enable): 1061 | """Turns gesture-related interrupts on or off. 1062 | 1063 | Args: 1064 | enable (bool): True to enter gesture state machine, False to turn them off 1065 | """ 1066 | val = self._read_byte_data(APDS9960_REG_GCONF4) 1067 | 1068 | # set bits in register to given value 1069 | val &= 0b11111110 1070 | if enable: 1071 | val |= 0b00000001 1072 | 1073 | self._write_byte_data(APDS9960_REG_GCONF4, val) 1074 | 1075 | 1076 | # ******************************************************************************* 1077 | # Raw I2C Reads and Writes 1078 | # ******************************************************************************* 1079 | 1080 | def _read_byte_data(self, cmd): 1081 | return self.bus.read_byte_data(self.address, cmd) 1082 | 1083 | def _write_byte_data(self, cmd, val): 1084 | return self.bus.write_byte_data(self.address, cmd, val) 1085 | 1086 | 1087 | def _read_i2c_block_data(self, cmd, num): 1088 | return self.bus.read_i2c_block_data(self.address, cmd, num) 1089 | 1090 | 1091 | 1092 | class uAPDS9960(APDS9960): 1093 | """ 1094 | APDS9960 for MicroPython 1095 | 1096 | sensor = uAPDS9960(bus=I2C_instance, 1097 | address=APDS9960_I2C_ADDR, valid_id=APDS9960_DEV_ID) 1098 | """ 1099 | def _read_byte_data(self, cmd): 1100 | return self.bus.readfrom_mem(self.address, cmd, 1)[0] 1101 | 1102 | def _write_byte_data(self, cmd, val): 1103 | self.bus.writeto_mem(self.address, cmd, bytes([val])) 1104 | 1105 | def _read_i2c_block_data(self, cmd, num): 1106 | return self.bus.readfrom_mem(self.address, cmd, num) 1107 | -------------------------------------------------------------------------------- /apds9960/exceptions.py: -------------------------------------------------------------------------------- 1 | class ADPS9960InvalidDevId(ValueError): 2 | def __init__(self, id, valid_ids): 3 | Exception.__init__(self, "Device id 0x{} is not a valied one (valid: {})!".format(format(id, '02x'), ', '.join(["0x{}".format(format(i, '02x')) for i in valid_ids]))) 4 | 5 | class ADPS9960InvalidMode(ValueError): 6 | def __init__(self, mode): 7 | Exception.__init__(self, "Feature mode {} is invalid!".format(mode)) 8 | -------------------------------------------------------------------------------- /micropython/test_ambient.py: -------------------------------------------------------------------------------- 1 | from time import sleep 2 | 3 | from machine import Pin, I2C 4 | 5 | from apds9960.const import * 6 | from apds9960 import uAPDS9960 as APDS9960 7 | 8 | bus = I2C(sda=Pin(13), scl=Pin(14)) 9 | 10 | apds = APDS9960(bus) 11 | 12 | print("Light Sensor Test") 13 | print("=================") 14 | apds.enableLightSensor() 15 | 16 | oval = -1 17 | while True: 18 | sleep(0.25) 19 | val = apds.readAmbientLight() 20 | if val != oval: 21 | print("AmbientLight={}".format(val)) 22 | oval = val 23 | 24 | -------------------------------------------------------------------------------- /micropython/test_gesture.py: -------------------------------------------------------------------------------- 1 | from time import sleep 2 | 3 | from machine import Pin, I2C 4 | 5 | from apds9960.const import * 6 | from apds9960 import uAPDS9960 as APDS9960 7 | 8 | bus = I2C(sda=Pin(13), scl=Pin(14)) 9 | 10 | apds = APDS9960(bus) 11 | 12 | dirs = { 13 | APDS9960_DIR_NONE: "none", 14 | APDS9960_DIR_LEFT: "left", 15 | APDS9960_DIR_RIGHT: "right", 16 | APDS9960_DIR_UP: "up", 17 | APDS9960_DIR_DOWN: "down", 18 | APDS9960_DIR_NEAR: "near", 19 | APDS9960_DIR_FAR: "far", 20 | } 21 | 22 | apds.setProximityIntLowThreshold(50) 23 | 24 | print("Gesture Test") 25 | print("============") 26 | apds.enableGestureSensor() 27 | 28 | while True: 29 | sleep(0.5) 30 | if apds.isGestureAvailable(): 31 | motion = apds.readGesture() 32 | print("Gesture={}".format(dirs.get(motion, "unknown"))) 33 | 34 | -------------------------------------------------------------------------------- /micropython/test_prox.py: -------------------------------------------------------------------------------- 1 | from time import sleep 2 | 3 | from machine import Pin, I2C 4 | 5 | from apds9960.const import * 6 | from apds9960 import uAPDS9960 as APDS9960 7 | 8 | bus = I2C(sda=Pin(13), scl=Pin(14)) 9 | 10 | apds = APDS9960(bus) 11 | 12 | apds.setProximityIntLowThreshold(50) 13 | 14 | print("Proximity Sensor Test") 15 | print("=====================") 16 | apds.enableProximitySensor() 17 | 18 | oval = -1 19 | while True: 20 | sleep(0.25) 21 | val = apds.readProximity() 22 | if val != oval: 23 | print("proximity={}".format(val)) 24 | oval = val 25 | 26 | -------------------------------------------------------------------------------- /rpi/test_ambient.py: -------------------------------------------------------------------------------- 1 | from apds9960.const import * 2 | from apds9960 import APDS9960 3 | import RPi.GPIO as GPIO 4 | import smbus 5 | from time import sleep 6 | 7 | port = 1 8 | bus = smbus.SMBus(port) 9 | 10 | apds = APDS9960(bus) 11 | 12 | def intH(channel): 13 | print("INTERRUPT") 14 | 15 | GPIO.setmode(GPIO.BOARD) 16 | GPIO.setup(7, GPIO.IN) 17 | try: 18 | # Interrupt-Event hinzufuegen, steigende Flanke 19 | GPIO.add_event_detect(7, GPIO.FALLING, callback = intH) 20 | 21 | print("Light Sensor Test") 22 | print("=================") 23 | apds.enableLightSensor() 24 | oval = -1 25 | while True: 26 | sleep(0.25) 27 | if apds.isLightAvailable(): 28 | val = apds.readAmbientLight() 29 | r = apds.readRedLight() 30 | g = apds.readGreenLight() 31 | b = apds.readBlueLight() 32 | if val != oval: 33 | print("AmbientLight={} (R: {}, G: {}, B: {})".format(val, r, g, b)) 34 | oval = val 35 | 36 | finally: 37 | GPIO.cleanup() 38 | print("Bye") 39 | -------------------------------------------------------------------------------- /rpi/test_gesture.py: -------------------------------------------------------------------------------- 1 | from apds9960.const import * 2 | from apds9960 import APDS9960 3 | import RPi.GPIO as GPIO 4 | import smbus 5 | from time import sleep 6 | 7 | port = 1 8 | bus = smbus.SMBus(port) 9 | 10 | apds = APDS9960(bus) 11 | 12 | def intH(channel): 13 | print("INTERRUPT") 14 | 15 | GPIO.setmode(GPIO.BOARD) 16 | GPIO.setup(7, GPIO.IN) 17 | 18 | dirs = { 19 | APDS9960_DIR_NONE: "none", 20 | APDS9960_DIR_LEFT: "left", 21 | APDS9960_DIR_RIGHT: "right", 22 | APDS9960_DIR_UP: "up", 23 | APDS9960_DIR_DOWN: "down", 24 | APDS9960_DIR_NEAR: "near", 25 | APDS9960_DIR_FAR: "far", 26 | } 27 | try: 28 | # Interrupt-Event hinzufuegen, steigende Flanke 29 | GPIO.add_event_detect(7, GPIO.FALLING, callback = intH) 30 | 31 | apds.setProximityIntLowThreshold(50) 32 | 33 | print("Gesture Test") 34 | print("============") 35 | apds.enableGestureSensor() 36 | while True: 37 | sleep(0.5) 38 | if apds.isGestureAvailable(): 39 | motion = apds.readGesture() 40 | print("Gesture={}".format(dirs.get(motion, "unknown"))) 41 | 42 | 43 | finally: 44 | GPIO.cleanup() 45 | print("Bye") 46 | -------------------------------------------------------------------------------- /rpi/test_prox.py: -------------------------------------------------------------------------------- 1 | from apds9960.const import * 2 | from apds9960 import APDS9960 3 | import RPi.GPIO as GPIO 4 | import smbus 5 | from time import sleep 6 | 7 | port = 1 8 | bus = smbus.SMBus(port) 9 | 10 | apds = APDS9960(bus) 11 | 12 | def intH(channel): 13 | print("INTERRUPT") 14 | 15 | GPIO.setmode(GPIO.BOARD) 16 | GPIO.setup(7, GPIO.IN) 17 | try: 18 | # Interrupt-Event hinzufuegen, steigende Flanke 19 | GPIO.add_event_detect(7, GPIO.FALLING, callback = intH) 20 | 21 | apds.setProximityIntLowThreshold(50) 22 | 23 | print("Proximity Sensor Test") 24 | print("=====================") 25 | apds.enableProximitySensor() 26 | oval = -1 27 | while True: 28 | sleep(0.25) 29 | val = apds.readProximity() 30 | if val != oval: 31 | print("proximity={}".format(val)) 32 | oval = val 33 | 34 | finally: 35 | GPIO.cleanup() 36 | print("Bye") 37 | -------------------------------------------------------------------------------- /setup.cfg: -------------------------------------------------------------------------------- 1 | [metadata] 2 | description_file = README.md 3 | license_file = LICENSE 4 | 5 | [bdist_wheel] 6 | universal=1 7 | -------------------------------------------------------------------------------- /setup.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | 3 | from distutils.core import setup 4 | 5 | setup( 6 | name = 'apds9960', 7 | packages = ['apds9960'], 8 | version = '0.2', 9 | description = 'Python APDS-9960 Library', 10 | author = 'Thomas Liske', 11 | author_email = 'thomas@fiasko-nw.net', 12 | url = 'https://github.com/liske/python-apds9960/', 13 | download_url = 'https://github.com/liske/python-apds9960/archive/0.2.tar.gz', 14 | keywords = 'apds9960', 15 | license='GPLv3+', 16 | long_description=open('README.md', 'r').read(), 17 | long_description_content_type='text/markdown', 18 | classifiers = [ 19 | 'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)', 20 | 'Programming Language :: Python', 21 | 'Programming Language :: Python :: 2', 22 | 'Programming Language :: Python :: 3', 23 | 'Topic :: Software Development :: Libraries :: Python Modules', 24 | ], 25 | ) 26 | --------------------------------------------------------------------------------