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Refactor sensor interface with extra files and function pointer

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That makes it easier to enable/disable sensors.

Also added support for APDS9930
This commit is contained in:
Florian Eitel 2019-08-04 11:56:18 +02:00
parent abcfcd276c
commit be334245ff
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GPG key ID: 9987EAFEF6F686BB
24 changed files with 2832 additions and 138 deletions
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6
firmware/config_user.h.example
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@ -10,6 +10,11 @@
// Enable/Disable features
//#define WEBUPDATER_FEATURE
#define BATTERY_POWERED
#define SENSOR_WIND
#define SENSOR_APDS9960
//#define SENSOR_APDS9930
#define SENSOR_BME280
#define SENSOR_BATTERY
const float HUMIDITY_FACTOR = 1.0;
const float LIGHT_FACTOR = 1.0;
@ -27,4 +32,3 @@ const char *INFLUXDB_PASS = "password";
String DEVICE_NAME = "devicename";
#endif

105
firmware/firmware.ino
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@ -18,8 +18,6 @@
#include <WiFiClient.h> // WiFiClient
#include <WiFiManager.h> // WiFiManager
#include <ESP8266Influxdb.h> // https://github.com/hwwong/ESP8266Influxdb auchecken und den ordner in das arduino\library verzeichnis kopieren
#include <Adafruit_APDS9960.h> // Adafruit APDS9960 - https://www.makerfabs.com/index.php?route=product/product&product_id=281
#include <Adafruit_BME280.h> // BME280 - https://www.roboter-bausatz.de/1704/bmp280-barometer-luftdrucksensor?gclid=EAIaIQobChMIlpumj8Hp2wIVFWYbCh01PgmFEAQYAyABEgIwBvD_BwE
// Project includes
#include "config.h"
@ -49,18 +47,15 @@
//*************************************************************************//
float currentSensorData[8] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
const uint8_t VALUES = 8;
float currentSensorData[VALUES] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
float (*sensors[VALUES])() = {};
uint16_t update_sensor_cnt = 0;
uint16_t update_webserver_cnt = 0;
uint16_t energySavingIterations = 0;
WiFiManager wifiManager;
Influxdb influxdb(INFLUXDB_HOST, INFLUXDB_PORT);
Adafruit_APDS9960 apds;
Adafruit_BME280 bme;
bool apds_connected = false;
#ifdef WEBUPDATER_FEATURE
String localIP = "127.0.0.1";
@ -117,21 +112,36 @@ void setup() {
influxdb.opendb(INFLUXDB_DB, INFLUXDB_USER, INFLUXDB_PASS);
// Initialize and configure the sensors
//Light Sensor
if (apds.begin()) {
apds_connected = true;
apds.enableColor(true);
#ifdef SENSOR_APDS9930
if (sensor_apds9930_begin()) {
sensors[SENSOR_LIGHT] = &apds9930_light;
}
#endif
debug("APDS Connected!");
#ifdef SENSOR_APDS9960
if (sensor_apds9960_begin()) {
sensors[SENSOR_LIGHT] = &apds9930_light;
}
#endif
#ifdef SENSOR_BME280
//Temperature + pressure
bool status = bme.begin(BME_ADDRESS);
if (!status) {
debug("Could not find a valid BME280 sensor, check wiring!");
//#warning TODO: FIXME while (1);
if (sensor_bme280_begin(BME_ADDRESS)) {
sensors[SENSOR_TEMPERATURE] = &bme280_temperature;
sensors[SENSOR_HUMIDITY] = &bme280_humidity;
sensors[SENSOR_PRESSURE] = &bme280_pressure;
}
debug("BME Connected!");
#endif
#ifdef SENSOR_WIND
sensors[SENSOR_WINDSPEED] = &wind_speed;
#endif
#ifdef SENSOR_BATTERY
sensors[SENSOR_BAT_VOLTAGE] = &battery_voltage;
sensors[SENSOR_BATCHARGESTATE] = &battery_charging;
sensors[SENSOR_ESAVEMODE] = &isEnergySavingMode;
#endif
#ifdef WEBUPDATER_FEATURE
#ifndef BATTERY_POWERED
@ -166,7 +176,7 @@ void setup() {
#ifdef BATTERY_POWERED
void criticalBatCheck() {
float volt = getBatteryVoltage();
float volt = battery_voltage();
if (volt <= BAT_EMERGENCY_DEEPSLEEP_VOLTAGE) {
debug("Bat Voltage: " + String(volt) + " V");
debug("Low battery, going into deep sleep.");
@ -177,26 +187,6 @@ void criticalBatCheck() {
}
#endif
#ifdef BATTERY_POWERED
int energySavingMode() {
// Give the solar panel some time to load the cell to prevent
// flapping.
if (energySavingIterations > 0) {
energySavingIterations--;
return 1;
}
// Is the battery low?
if (currentSensorData[SENSOR_BAT_VOLTAGE] <= BAT_LOW_VOLTAGE) {
// Entering energy saving
energySavingIterations = ENERGY_SAVING_ITERATIONS;
return 1;
}
return 0;
}
#endif
void loop() {
#ifdef BATTERY_POWERED
@ -232,32 +222,25 @@ void _loop() {
}
#endif
update_sensor_cnt = 0;
currentSensorData[SENSOR_TEMPERATURE] = fetchTemperature();
currentSensorData[SENSOR_HUMIDITY] = fetchHumidity();
if (apds_connected) {
currentSensorData[SENSOR_LIGHT] = fetchLight();
}
currentSensorData[SENSOR_PRESSURE] = fetchPressure();
#ifdef BATTERY_POWERED
currentSensorData[SENSOR_BAT_VOLTAGE] = getBatteryVoltage();
currentSensorData[SENSOR_BATCHARGESTATE] = isBatCharging();
#else
currentSensorData[SENSOR_BAT_VOLTAGE] = 0xFFFFFFFF;
currentSensorData[SENSOR_BATCHARGESTATE] = 0xFFFFFFFF;
#endif
#ifdef BATTERY_POWERED
#ifdef defined(BATTERY_POWERED) && defined(SENSOR_WIND)
if (energySavingMode() == 1) {
// Disable expensive tasks
if (energySavingMode() == 0) {
sensors[SENSOR_WINDSPEED] = 0;
} else {
sensors[SENSOR_WINDSPEED] = &wind_speed;
}
#endif
currentSensorData[SENSOR_WINDSPEED] = fetchWindspeed();
currentSensorData[SENSOR_ESAVEMODE] = ENERGY_SAVE_MODE_DISABLED;
#ifdef BATTERY_POWERED
update_sensor_cnt = 0;
for (uint8_t i = 0; i < VALUES; i++) {
if (sensors[i]) {
currentSensorData[i] = sensors[i]();
} else {
currentSensorData[SENSOR_WINDSPEED] = 0xFFFFFFFF;
currentSensorData[SENSOR_ESAVEMODE] = ENERGY_SAVE_MODE_ENABLED;
currentSensorData[i] = 0xFFFFFFFF;
}
#endif
}
debug("");
debug("Current readings:");

22
firmware/libraries/APDS9930-master/.gitattributes vendored Normal file
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@ -0,0 +1,22 @@
# Auto detect text files and perform LF normalization
* text=auto
# Custom for Visual Studio
*.cs diff=csharp
*.sln merge=union
*.csproj merge=union
*.vbproj merge=union
*.fsproj merge=union
*.dbproj merge=union
# Standard to msysgit
*.doc diff=astextplain
*.DOC diff=astextplain
*.docx diff=astextplain
*.DOCX diff=astextplain
*.dot diff=astextplain
*.DOT diff=astextplain
*.pdf diff=astextplain
*.PDF diff=astextplain
*.rtf diff=astextplain
*.RTF diff=astextplain

192
firmware/libraries/APDS9930-master/.gitignore vendored Normal file
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@ -0,0 +1,192 @@
#################
## SparkFun Useful stuff
#################
## AVR Development
*.eep
*.elf
*.lst
*.lss
*.sym
*.d
*.o
*.srec
*.map
## Notepad++ backup files
*.bak
## BOM files
*bom*
#################
## Eclipse
#################
*.pydevproject
.project
.metadata
bin/
tmp/
*.tmp
*.bak
*.swp
*~.nib
local.properties
.classpath
.settings/
.loadpath
# External tool builders
.externalToolBuilders/
# Locally stored "Eclipse launch configurations"
*.launch
# CDT-specific
.cproject
# PDT-specific
.buildpath
#############
## Eagle
#############
# Ignore the board and schematic backup files
*.b#?
*.s#?
#################
## Visual Studio
#################
## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
# User-specific files
*.suo
*.user
*.sln.docstates
# Build results
[Dd]ebug/
[Rr]elease/
*_i.c
*_p.c
*.ilk
*.meta
*.obj
*.pch
*.pdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.vspscc
.builds
*.dotCover
## TODO: If you have NuGet Package Restore enabled, uncomment this
#packages/
# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opensdf
*.sdf
# Visual Studio profiler
*.psess
*.vsp
# ReSharper is a .NET coding add-in
_ReSharper*
# Installshield output folder
[Ee]xpress
# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html
# Click-Once directory
publish
# Others
[Bb]in
[Oo]bj
sql
TestResults
*.Cache
ClientBin
stylecop.*
~$*
*.dbmdl
Generated_Code #added for RIA/Silverlight projects
# Backup & report files from converting an old project file to a newer
# Visual Studio version. Backup files are not needed, because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
############
## Windows
############
# Windows image file caches
Thumbs.db
# Folder config file
Desktop.ini
#############
## Python
#############
*.py[co]
# Packages
*.egg
*.egg-info
dist
build
eggs
parts
bin
var
sdist
develop-eggs
.installed.cfg
# Installer logs
pip-log.txt
# Unit test / coverage reports
.coverage
.tox
#Translations
*.mo
#Mr Developer
.mr.developer.cfg
# Mac crap
.DS_Store

22
firmware/libraries/APDS9930-master/LICENSE Normal file
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@ -0,0 +1,22 @@
The MIT License (MIT)
Copyright (c) 2015 Davide Depau
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

92
firmware/libraries/APDS9930-master/README.md Normal file
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@ -0,0 +1,92 @@
APDS9930 Ambient Light and Proximity sensor
===========================================
This is a fork of the [library from Sparkfun for the APDS-9960 sensor](https://github.com/sparkfun/APDS-9960_RGB_and_Gesture_Sensor). It has been adapted to read values from this other model.
[**Quick-start guide available here**](https://web.archive.org/web/20151224052223/http://davideddu.org/blog/posts/apds-9930-arduino-quickstart/)
[**Purchase an Avago APDS-9930 Breakout Board here**](http://www.dx.com/p/384037?Utm_rid=14976370&Utm_source=affiliate)
# DO NOT EMAIL ME IF YOU HAVE AN ISSUE
It will be deleted without reading. If you have an issue, [create an issue](https://github.com/Depau/APDS9930/issues) here on GitHub.
# Unmaintained
I'm not going to maintain this library any more. I will merge pull requests, though. Contributions are welcome. Just don't expect anything from me.
![Avago APDS-9930 Breakout Board](http://img.dxcdn.com/productimages/sku_384037_1.jpg)
**Note:** even though it says APDS-9960, it's an APDS-9930. That's how I ended up getting one of those. I wanted the RGB sensor. I found this crap in my mailbox. But I decided to write a library for it anyways ;)
Getting Started
---------------
* Download the Git repository as a ZIP ("Download ZIP" button)
* Unzip
* Copy the entire library directory (APDS-9930) to
\<Arduino installation directory\>/libraries
* Open the Arduino program
* Select File -> Examples -> APDS9930 -> GestureTest
* Plug in your Arduino and APDS-9930 with the following connections
*-OR-*
* Use the library manager
| Arduino Pin | APDS-9930 Board | Function |
|---|---|---|
| 3.3V | VCC | Power |
| GND | GND | Ground |
| A4 | SDA | I²C Data |
| A5 | SCL | I²C Clock |
| 2 | INT | Interrupt |
*P.S.: you already know you can't use this purple little thing with your 5V Arduino without a level shifter, right? :) In case you don't have a level shifter, you can detach the microcontroller from an Arduino Uno, reconnect the oscillator pins, the RX and TX pins, the reset and the LED/SCK pins back to the board with some jumper wires. You can then power the microcontroller from a 3.3V source (the 3V3 output on the board should work) and connect the sensor directly to the MCU. Look up "Arduino on Breadboard".*
* Go to Tools -> Board and select your Arduino board
* Go to Tools -> Serial Port and select the COM port of your Arduino board
* Click "Upload"
* Go to Tools -> Serial Monitor
* Ensure the baud rate is set at 9600 baud
* Swipe your hand over the sensor in various directions!
Repository Contents
-------------------
* **/examples** - Example sketches for the library (.ino). Run these from the Arduino IDE.
* **/extras** - Additional documentation for the user. These files are ignored by the IDE.
* **/src** - Source files for the library (.cpp, .h).
* **keywords.txt** - Keywords from this library that will be highlighted in the Arduino IDE.
* **library.properties** - General library properties for the Arduino package manager.
Documentation
--------------
* **[Quickstart Guide](https://web.archive.org/web/20151224052223/http://davideddu.org/blog/posts/apds-9930-arduino-quickstart/)** - Basic hookup guide for the sensor.
* **[Product Repository](https://github.com/Davideddu/APDS9930)** - Main repository (including hardware files) for the APDS9930 ambient light and proximity sensor.
* **[Installing an Arduino Library Guide](https://learn.sparkfun.com/tutorials/installing-an-arduino-library)** - Basic information on how to install an Arduino library.
Version History
---------------
* master - Adapted for use with APDS-9930
* [V_1.4.0](https://github.com/sparkfun/APDS-9960_RGB_and_Gesture_Sensor_Arduino_Library/tree/V_1.4.0) - Updated to new library structure
* V_1.3.0 - Implemented disableProximitySensor(). Thanks to jmg5150 for catching that!
* V_1.2.0 - Added pinMode line to GestureTest demo to fix interrupt bug with some Arduinos
* V_1.1.0 - Updated GestureTest demo to not freeze with fast swipes
* V_1.0.0: Initial release
* Ambient and RGB light sensing implemented
* Ambient light interrupts working
* Proximity sensing implemented
* Proximity interrupts working
License Information
-------------------
This product is _**open source**_!
Please use, reuse, and modify these files as you see fit. Please maintain attribution to SparkFun Electronics and release anything derivative under the same license.
Distributed as-is; no warranty is given.
- Your friends at SparkFun. And Davide Depau :*

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firmware/libraries/APDS9930-master/examples/AmbientLightInterrupt/AmbientLightInterrupt.ino Normal file
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@ -0,0 +1,180 @@
/****************************************************************
AmbientLightInterrupt.ino
APDS-9930 RGB and Gesture Sensor
Shawn Hymel @ SparkFun Electronics
October 24, 2014
https://github.com/sparkfun/APDS-9930_RGB_and_Gesture_Sensor
Tests the ambient light interrupt abilities of the APDS-9930.
Configures the APDS-9930 over I2C and waits for an external
interrupt based on high or low light conditions. Try covering
the sensor with your hand or bringing the sensor close to a
bright light source. You might need to adjust the LIGHT_INT_HIGH
and LIGHT_INT_LOW values to get the interrupt to work correctly.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
2 INT Interrupt
13 - LED
Resources:
Include Wire.h and APDS9930.h
Development environment specifics:
Written in Arduino 1.0.5
Tested with SparkFun Arduino Pro Mini 3.3V
This code is beerware; if you see me (or any other SparkFun
employee) at the local, and you've found our code helpful, please
buy us a round!
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
// Pins
#define APDS9930_INT 2 // Needs to be an interrupt pin
#define LED_PIN 13 // LED for showing interrupt
// Constants
#define LIGHT_INT_HIGH 1000 // High light level for interrupt
#define LIGHT_INT_LOW 10 // Low light level for interrupt
// Global variables
APDS9930 apds = APDS9930();
float ambient_light = 0;
uint16_t ch0 = 0;
uint16_t ch1 = 1;
volatile bool isr_flag = false;
uint16_t threshold = 0;
void setup() {
// Set LED as output
pinMode(LED_PIN, OUTPUT);
pinMode(APDS9930_INT, INPUT);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("----------------------------"));
Serial.println(F("APDS-9930 - Light Interrupts"));
Serial.println(F("----------------------------"));
// Initialize interrupt service routine
attachInterrupt(0, interruptRoutine, FALLING);
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Set high and low interrupt thresholds
if ( !apds.setLightIntLowThreshold(LIGHT_INT_LOW) ) {
Serial.println(F("Error writing low threshold"));
}
if ( !apds.setLightIntHighThreshold(LIGHT_INT_HIGH) ) {
Serial.println(F("Error writing high threshold"));
}
// Start running the APDS-9930 light sensor (no interrupts)
if ( apds.enableLightSensor(false) ) {
Serial.println(F("Light sensor is now running"));
} else {
Serial.println(F("Something went wrong during light sensor init!"));
}
// Read high and low interrupt thresholds
if ( !apds.getLightIntLowThreshold(threshold) ) {
Serial.println(F("Error reading low threshold"));
} else {
Serial.print(F("Low Threshold: "));
Serial.println(threshold);
}
if ( !apds.getLightIntHighThreshold(threshold) ) {
Serial.println(F("Error reading high threshold"));
} else {
Serial.print(F("High Threshold: "));
Serial.println(threshold);
}
// Enable interrupts
if ( !apds.setAmbientLightIntEnable(1) ) {
Serial.println(F("Error enabling interrupts"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
// Wait for initialization and calibration to finish
delay(500);
}
void loop() {
// If interrupt occurs, print out the light levels
if ( isr_flag ) {
// Read the light levels (ambient, red, green, blue) and print
if ( !apds.readAmbientLightLux(ambient_light) ||
!apds.readCh0Light(ch0) ||
!apds.readCh1Light(ch1) ) {
Serial.println("Error reading light values");
} else {
Serial.print("Interrupt! Ambient: ");
Serial.print(ambient_light);
Serial.print(F(" Ch0: "));
Serial.print(ch0);
Serial.print(F(" Ch1: "));
Serial.println(ch1);
}
// Turn on LED for a half a second
digitalWrite(LED_PIN, HIGH);
delay(500);
digitalWrite(LED_PIN, LOW);
// Reset flag and clear APDS-9930 interrupt (IMPORTANT!)
isr_flag = false;
if ( !apds.clearAmbientLightInt() ) {
Serial.println("Error clearing interrupt");
}
}
}
void interruptRoutine() {
isr_flag = true;
}

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firmware/libraries/APDS9930-master/examples/AmbientLightLED/AmbientLightLED.ino Normal file
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@ -0,0 +1,113 @@
/****************************************************************
AmbientLightLED.ino
Tests the ambient light sensing abilities of the
APDS-9930. Configures APDS-9930 over I2C and polls the sensor for
ambient light levels, which are displayed over the
serial console.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
10 (pwm) LED anode
Distributed as-is; no warranty is given.
****************************************************************/
#define PWM_LED_PIN 10
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
// Global Variables
APDS9930 apds = APDS9930();
float ambient_light = 0; // can also be an unsigned long
uint16_t ch0 = 0;
uint16_t ch1 = 1;
float max_light = 0;
void setup() {
//analogReference(EXTERNAL);
pinMode(PWM_LED_PIN, OUTPUT);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("--------------------------------"));
Serial.println(F("APDS-9930 - Ambient light sensor"));
Serial.println(F("--------------------------------"));
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Start running the APDS-9930 light sensor (no interrupts)
if ( apds.enableLightSensor(false) ) {
Serial.println(F("Light sensor is now running"));
} else {
Serial.println(F("Something went wrong during light sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
// Wait for initialization and calibration to finish
delay(500);
}
void loop() {
// Read the light levels (ambient, red, green, blue)
if ( !apds.readAmbientLightLux(ambient_light) ||
!apds.readCh0Light(ch0) ||
!apds.readCh1Light(ch1) ) {
Serial.println(F("Error reading light values"));
} else {
Serial.print(F("Ambient: "));
Serial.print(ambient_light);
Serial.print(F(" Ch0: "));
Serial.print(ch0);
Serial.print(F(" Ch1: "));
Serial.println(ch1);
if ( ambient_light > max_light ) {
max_light = ambient_light;
}
ambient_light = map(ambient_light, 0, max_light, 0, 1023);
analogWrite(PWM_LED_PIN, ambient_light);
}
// Wait 1 second before next reading
delay(50);
}

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/****************************************************************
AmbientLightSensor.ino
APDS-9930 Ambient light and proximity sensor
Davide Depau
December 11, 2015
https://github.com/Davideddu/APDS9930
Shawn Hymel @ SparkFun Electronics
October 15, 2014
https://github.com/sparkfun/APDS-9930_RGB_and_Gesture_Sensor
Tests thembient light sensing abilities of the
APDS-9930. Configures APDS-9930 over I2C and polls the sensor for
ambient light levels, which are displayed over the
serial console.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
Resources:
Include Wire.h and APDS-9930.h
Development environment specifics:
Written in Arduino 1.6.5
Tested with Arduino Uno and Mega.
This code is beerware; if you see me (or any other SparkFun
employee) at the local, and you've found our code helpful, please
buy us a round!
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
// Global Variables
APDS9930 apds = APDS9930();
float ambient_light = 0; // can also be an unsigned long
uint16_t ch0 = 0;
uint16_t ch1 = 1;
void setup() {
//analogReference(EXTERNAL);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("--------------------------------"));
Serial.println(F("APDS-9930 - Ambient light sensor"));
Serial.println(F("--------------------------------"));
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Start running the APDS-9930 light sensor (no interrupts)
if ( apds.enableLightSensor(false) ) {
Serial.println(F("Light sensor is now running"));
} else {
Serial.println(F("Something went wrong during light sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
// Wait for initialization and calibration to finish
delay(500);
}
void loop() {
// Read the light levels (ambient, red, green, blue)
if ( !apds.readAmbientLightLux(ambient_light) ||
!apds.readCh0Light(ch0) ||
!apds.readCh1Light(ch1) ) {
Serial.println(F("Error reading light values"));
} else {
Serial.print(F("Ambient: "));
Serial.print(ambient_light);
Serial.print(F(" Ch0: "));
Serial.print(ch0);
Serial.print(F(" Ch1: "));
Serial.println(ch1);
}
// Wait 1 second before next reading
delay(1000);
}

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/****************************************************************
AmbientLightToneAC.ino
Tests the ambient light sensing abilities of the
APDS-9930. Configures APDS-9930 over I2C and polls the sensor for
ambient light levels, which are displayed over the
serial console.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
Connect speakers to the correct pins. Check toneAC.h for more info.
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
#include <toneAC.h>
// Global Variables
APDS9930 apds = APDS9930();
float ambient_light = 0; // can also be an unsigned long
uint16_t ch0 = 0;
uint16_t ch1 = 1;
float max_light = 0;
void setup() {
//analogReference(EXTERNAL);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("--------------------------------"));
Serial.println(F("APDS-9930 - Ambient light sensor"));
Serial.println(F("--------------------------------"));
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Start running the APDS-9930 light sensor (no interrupts)
if ( apds.enableLightSensor(false) ) {
Serial.println(F("Light sensor is now running"));
} else {
Serial.println(F("Something went wrong during light sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
// Wait for initialization and calibration to finish
delay(500);
}
void loop() {
// Read the light levels (ambient, red, green, blue)
if ( !apds.readAmbientLightLux(ambient_light) ||
!apds.readCh0Light(ch0) ||
!apds.readCh1Light(ch1) ) {
Serial.println(F("Error reading light values"));
} else {
Serial.print(F("Ambient: "));
Serial.print(ambient_light);
Serial.print(F(" Ch0: "));
Serial.print(ch0);
Serial.print(F(" Ch1: "));
Serial.println(ch1);
unsigned long freq = map(ch0, 0, 1024, 60, 16000);
toneAC(freq, 10, 50, true);
}
// Wait 1 second before next reading
delay(50);
}

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/****************************************************************
ProximityInterrupt.ino
APDS-9930 Ambient light and proximity sensor
Davide Depau
December 11, 2015
https://github.com/Davideddu/APDS9930
Shawn Hymel @ SparkFun Electronics
October 24, 2014
https://github.com/sparkfun/APDS-9930_RGB_and_Gesture_Sensor
Tests the proximity interrupt abilities of the APDS-9930.
Configures the APDS-9930 over I2C and waits for an external
interrupt based on high or low proximity conditions. Move your
hand near the sensor and watch the LED on pin 13.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
2 INT Interrupt
13 - LED
Resources:
Include Wire.h and APDS9930.h
Development environment specifics:
Written in Arduino 1.6.5
Tested with Arduino Uno and Mega
This code is beerware; if you see me (or any other SparkFun
employee) at the local, and you've found our code helpful, please
buy us a round!
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
// Pins
#define APDS9930_INT 2 // Needs to be an interrupt pin
#define LED_PIN 13 // LED for showing interrupt
// Constants
#define PROX_INT_HIGH 600 // Proximity level for interrupt
#define PROX_INT_LOW 0 // No far interrupt
// Global variables
APDS9930 apds = APDS9930();
uint16_t proximity_data = 0;
volatile bool isr_flag = false;
void setup() {
// Set LED as output
pinMode(LED_PIN, OUTPUT);
pinMode(APDS9930_INT, INPUT);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("------------------------------"));
Serial.println(F("APDS-9930 - ProximityInterrupt"));
Serial.println(F("------------------------------"));
// Initialize interrupt service routine
attachInterrupt(0, interruptRoutine, FALLING);
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Adjust the Proximity sensor gain
if ( !apds.setProximityGain(PGAIN_2X) ) {
Serial.println(F("Something went wrong trying to set PGAIN"));
}
// Set proximity interrupt thresholds
if ( !apds.setProximityIntLowThreshold(PROX_INT_LOW) ) {
Serial.println(F("Error writing low threshold"));
}
if ( !apds.setProximityIntHighThreshold(PROX_INT_HIGH) ) {
Serial.println(F("Error writing high threshold"));
}
// Start running the APDS-9930 proximity sensor (interrupts)
if ( apds.enableProximitySensor(true) ) {
Serial.println(F("Proximity sensor is now running"));
} else {
Serial.println(F("Something went wrong during sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
}
void loop() {
// If interrupt occurs, print out the proximity level
if ( isr_flag ) {
// Read proximity level and print it out
if ( !apds.readProximity(proximity_data) ) {
Serial.println("Error reading proximity value");
} else {
Serial.print("Proximity detected! Level: ");
Serial.println(proximity_data);
}
// Turn on LED for a half a second
digitalWrite(LED_PIN, HIGH);
delay(500);
digitalWrite(LED_PIN, LOW);
// Reset flag and clear APDS-9930 interrupt (IMPORTANT!)
isr_flag = false;
if ( !apds.clearProximityInt() ) {
Serial.println("Error clearing interrupt");
}
}
}
void interruptRoutine() {
isr_flag = true;
}

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/****************************************************************
ProximityLED.ino
Davide Depau
December 11, 2015
https://github.com/Davideddu/APDS9930
https://github.com/sparkfun/APDS-9930_RGB_and_Gesture_Sensor
Tests the proximity sensing abilities of the APDS-9930.
Configures the APDS-9930 over I2C and polls for the distance to
the object nearest the sensor, then turns on an LED accordingly.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
10 (PWM) LED Anode
Resources:
Include Wire.h and APDS9930.h
Development environment specifics:
Written in Sublime Text + Stino + Arduino 1.7.2
Tested with Arduino Uno + level shifter
This code is chocolateware; if you see me at the grocery store,
and you've found our code helpful, please buy us me a chocolate bar! :D
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#define PWM_LED_PIN 10
#include <Wire.h>
#include <APDS9930.h>
// Global Variables
APDS9930 apds = APDS9930();
uint16_t proximity_data = 0;
int proximity_max = 0;
void setup() {
//analogReference(EXTERNAL);
pinMode(PWM_LED_PIN, OUTPUT);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("------------------------"));
Serial.println(F("APDS-9930 - ProximityLED"));
Serial.println(F("------------------------"));
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// Adjust the Proximity sensor gain
if ( !apds.setProximityGain(PGAIN_1X) ) {
Serial.println(F("Something went wrong trying to set PGAIN"));
}
// Start running the APDS-9930 proximity sensor (no interrupts)
if ( apds.enableProximitySensor(false) ) {
Serial.println(F("Proximity sensor is now running"));
} else {
Serial.println(F("Something went wrong during sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
}
void loop() {
// Read the proximity value
if ( !apds.readProximity(proximity_data) ) {
Serial.println("Error reading proximity value");
} else {
Serial.print("Proximity: ");
Serial.print(proximity_data);
// This is an ugly hack to reduce sensor noise.
// You may want to adjust POFFSET instead.
/*
proximity_data -= 200;
if (proximity_data > 50000) {
proximity_data = 0;
}
if (proximity_data > proximity_max) {
proximity_max = proximity_data;
}
proximity_data = map(proximity_data, 0, proximity_max, 0, 1023);
*/
Serial.print(F(" Remapped: "));
Serial.println(proximity_data);
analogWrite(PWM_LED_PIN, proximity_data);
}
// Wait 250 ms before next reading
delay(10);
}

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/****************************************************************
ProximitySensor.ino
APDS-9930 ambient light and proximity sensor
Davide Depau
December 11, 2015
https://github.com/Davideddu/APDS9930
Shawn Hymel @ SparkFun Electronics
October 28, 2014
https://github.com/sparkfun/APDS-9960_RGB_and_Gesture_Sensor
Tests the proximity sensing abilities of the APDS-9930.
Configures the APDS-9930 over I2C and polls for the distance to
the object nearest the sensor.
Hardware Connections:
IMPORTANT: The APDS-9930 can only accept 3.3V!
Arduino Pin APDS-9930 Board Function
3.3V VCC Power
GND GND Ground
A4 SDA I2C Data
A5 SCL I2C Clock
Resources:
Include Wire.h and SparkFun_APDS-9930.h
Development environment specifics:
Written in Arduino 1.0.5
Tested with SparkFun Arduino Pro Mini 3.3V
This code is beerware; if you see me (or any other SparkFun
employee) at the local, and you've found our code helpful, please
buy us a round!
Distributed as-is; no warranty is given.
****************************************************************/
#define DUMP_REGS
#include <Wire.h>
#include <APDS9930.h>
// Global Variables
APDS9930 apds = APDS9930();
uint16_t proximity_data = 0;
void setup() {
//analogReference(EXTERNAL);
// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("---------------------------"));
Serial.println(F("APDS-9930 - ProximitySensor"));
Serial.println(F("---------------------------"));
// Initialize APDS-9930 (configure I2C and initial values)
if ( apds.init() ) {
Serial.println(F("APDS-9930 initialization complete"));
} else {
Serial.println(F("Something went wrong during APDS-9930 init!"));
}
// // Adjust the Proximity sensor gain
// if ( !apds.setProximityGain(PGAIN_2X) ) {
// Serial.println(F("Something went wrong trying to set PGAIN"));
// }
// Start running the APDS-9930 proximity sensor (no interrupts)
if ( apds.enableProximitySensor(false) ) {
Serial.println(F("Proximity sensor is now running"));
} else {
Serial.println(F("Something went wrong during sensor init!"));
}
#ifdef DUMP_REGS
/* Register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x00; reg <= 0x19; reg++) {
if( (reg != 0x10) && \
(reg != 0x11) )
{
apds.wireReadDataByte(reg, val);
Serial.print(reg, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
}
}
apds.wireReadDataByte(0x1E, val);
Serial.print(0x1E, HEX);
Serial.print(": 0x");
Serial.println(val, HEX);
#endif
}
void loop() {
// Read the proximity value
if ( !apds.readProximity(proximity_data) ) {
Serial.println("Error reading proximity value");
} else {
Serial.print("Proximity: ");
Serial.println(proximity_data);
}
// Wait 250 ms before next reading
delay(250);
}

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firmware/libraries/APDS9930-master/keywords.txt Normal file
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firmware/libraries/APDS9930-master/library.properties Normal file
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name=APDS-9930 Ambient Light and Proximity Sensor
version=1.5.1
author=Davide Depau
maintainer=Davide Depau
sentence=Library for the Avago APDS-9930 sensor
paragraph=This library works with the breakout board for the Avago APDS-9930 proximity and light sensor
category=Sensors
url=https://github.com/Davideddu/APDS9930
architectures=*

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/**
* @file APDS-9930.h
* @brief Library for the SparkFun APDS-9930 breakout board
* @author Shawn Hymel (SparkFun Electronics)
*
* @copyright This code is public domain but you buy me a beer if you use
* this and we meet someday (Beerware license).
*
* This library interfaces the Avago APDS-9930 to Arduino over I2C. The library
* relies on the Arduino Wire (I2C) library. to use the library, instantiate an
* APDS9930 object, call init(), and call the appropriate functions.
*/
#ifndef APDS9930_H
#define APDS9930_H
#include <Arduino.h>
/* Debug */
#define DEBUG 0
/* APDS-9930 I2C address */
#define APDS9930_I2C_ADDR 0x39
/* Command register modes */
#define REPEATED_BYTE 0x80
#define AUTO_INCREMENT 0xA0
#define SPECIAL_FN 0xE0
/* Error code for returned values */
#define ERROR 0xFF
/* Acceptable device IDs */
#define APDS9930_ID_1 0x12
#define APDS9930_ID_2 0x39
/* Misc parameters */
#define FIFO_PAUSE_TIME 30 // Wait period (ms) between FIFO reads
/* APDS-9930 register addresses */
#define APDS9930_ENABLE 0x00
#define APDS9930_ATIME 0x01
#define APDS9930_PTIME 0x02
#define APDS9930_WTIME 0x03
#define APDS9930_AILTL 0x04
#define APDS9930_AILTH 0x05
#define APDS9930_AIHTL 0x06
#define APDS9930_AIHTH 0x07
#define APDS9930_PILTL 0x08
#define APDS9930_PILTH 0x09
#define APDS9930_PIHTL 0x0A
#define APDS9930_PIHTH 0x0B
#define APDS9930_PERS 0x0C
#define APDS9930_CONFIG 0x0D
#define APDS9930_PPULSE 0x0E
#define APDS9930_CONTROL 0x0F
#define APDS9930_ID 0x12
#define APDS9930_STATUS 0x13
#define APDS9930_Ch0DATAL 0x14
#define APDS9930_Ch0DATAH 0x15
#define APDS9930_Ch1DATAL 0x16
#define APDS9930_Ch1DATAH 0x17
#define APDS9930_PDATAL 0x18
#define APDS9930_PDATAH 0x19
#define APDS9930_POFFSET 0x1E
/* Bit fields */
#define APDS9930_PON 0b00000001
#define APDS9930_AEN 0b00000010
#define APDS9930_PEN 0b00000100
#define APDS9930_WEN 0b00001000
#define APSD9930_AIEN 0b00010000
#define APDS9930_PIEN 0b00100000
#define APDS9930_SAI 0b01000000
/* On/Off definitions */
#define OFF 0
#define ON 1
/* Acceptable parameters for setMode */
#define POWER 0
#define AMBIENT_LIGHT 1
#define PROXIMITY 2
#define WAIT 3
#define AMBIENT_LIGHT_INT 4
#define PROXIMITY_INT 5
#define SLEEP_AFTER_INT 6
#define ALL 7
/* LED Drive values */
#define LED_DRIVE_100MA 0
#define LED_DRIVE_50MA 1
#define LED_DRIVE_25MA 2
#define LED_DRIVE_12_5MA 3
/* Proximity Gain (PGAIN) values */
#define PGAIN_1X 0
#define PGAIN_2X 1
#define PGAIN_4X 2
#define PGAIN_8X 3
/* ALS Gain (AGAIN) values */
#define AGAIN_1X 0
#define AGAIN_8X 1
#define AGAIN_16X 2
#define AGAIN_120X 3
/* Interrupt clear values */
#define CLEAR_PROX_INT 0xE5
#define CLEAR_ALS_INT 0xE6
#define CLEAR_ALL_INTS 0xE7
/* Default values */
#define DEFAULT_ATIME 0xED
#define DEFAULT_WTIME 0xFF
#define DEFAULT_PTIME 0xFF
#define DEFAULT_PPULSE 0x08
#define DEFAULT_POFFSET 0 // 0 offset
#define DEFAULT_CONFIG 0
#define DEFAULT_PDRIVE LED_DRIVE_100MA
#define DEFAULT_PDIODE 2
#define DEFAULT_PGAIN PGAIN_8X
#define DEFAULT_AGAIN AGAIN_1X
#define DEFAULT_PILT 0 // Low proximity threshold
#define DEFAULT_PIHT 50 // High proximity threshold
#define DEFAULT_AILT 0xFFFF // Force interrupt for calibration
#define DEFAULT_AIHT 0
#define DEFAULT_PERS 0x22 // 2 consecutive prox or ALS for int.
/* ALS coefficients */
#define DF 52
#define GA 0.49
#define B 1.862
#define C 0.746
#define D 1.291
/* State definitions */
enum {
NOTAVAILABLE_STATE,
NEAR_STATE,
FAR_STATE,
ALL_STATE
};
#ifdef _AVR_IO_H_
// Do not use this alias as it's deprecated
#define NA_STATE NOTAVAILABLE_STATE
#endif
/* APDS9930 Class */
class APDS9930 {
public:
/* Initialization methods */
APDS9930();
~APDS9930();
bool init();
uint8_t getMode();
bool setMode(uint8_t mode, uint8_t enable);
/* Turn the APDS-9930 on and off */
bool enablePower();
bool disablePower();
/* Enable or disable specific sensors */
bool enableLightSensor(bool interrupts = false);
bool disableLightSensor();
bool enableProximitySensor(bool interrupts = false);
bool disableProximitySensor();
/* LED drive strength control */
uint8_t getLEDDrive();
bool setLEDDrive(uint8_t drive);
// uint8_t getGestureLEDDrive();
// bool setGestureLEDDrive(uint8_t drive);
/* Gain control */
uint8_t getAmbientLightGain();
bool setAmbientLightGain(uint8_t gain);
uint8_t getProximityGain();
bool setProximityGain(uint8_t gain);
bool setProximityDiode(uint8_t drive);
uint8_t getProximityDiode();
/* Get and set light interrupt thresholds */
bool getLightIntLowThreshold(uint16_t &threshold);
bool setLightIntLowThreshold(uint16_t threshold);
bool getLightIntHighThreshold(uint16_t &threshold);
bool setLightIntHighThreshold(uint16_t threshold);
/* Get and set interrupt enables */
uint8_t getAmbientLightIntEnable();
bool setAmbientLightIntEnable(uint8_t enable);
uint8_t getProximityIntEnable();
bool setProximityIntEnable(uint8_t enable);
/* Clear interrupts */
bool clearAmbientLightInt();
bool clearProximityInt();
bool clearAllInts();
/* Proximity methods */
bool readProximity(uint16_t &val);
/* Ambient light methods */
bool readAmbientLightLux(float &val);
bool readAmbientLightLux(unsigned long &val);
float floatAmbientToLux(uint16_t Ch0, uint16_t Ch1);
unsigned long ulongAmbientToLux(uint16_t Ch0, uint16_t Ch1);
bool readCh0Light(uint16_t &val);
bool readCh1Light(uint16_t &val);
//private:
/* Proximity Interrupt Threshold */
uint16_t getProximityIntLowThreshold();
bool setProximityIntLowThreshold(uint16_t threshold);
uint16_t getProximityIntHighThreshold();
bool setProximityIntHighThreshold(uint16_t threshold);
/* Raw I2C Commands */
bool wireWriteByte(uint8_t val);
bool wireWriteDataByte(uint8_t reg, uint8_t val);
bool wireWriteDataBlock(uint8_t reg, uint8_t *val, unsigned int len);
bool wireReadDataByte(uint8_t reg, uint8_t &val);
int wireReadDataBlock(uint8_t reg, uint8_t *val, unsigned int len);
};
#endif

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#include <APDS9930.h>
APDS9930 _sensor_apds9930 = APDS9930();
bool sensor_apds9930_begin() {
bool status = _sensor_apds9930.init();
if (status) {
_sensor_apds9930.enableLightSensor(false);
debug("APDS9930 Connected");
} else {
debug("Could not find a valid APDS9930 sensor, check wiring!");
}
return status;
}
float apds9930_light() {
float ambient_light = 0;
if (_sensor_apds9930.readAmbientLightLux(ambient_light)) {
return ambient_light;
} else {
return 0;
}
}

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#include <Adafruit_APDS9960.h> // Adafruit APDS9960 - https://www.makerfabs.com/index.php?route=product/product&product_id=281
Adafruit_APDS9960 _sensor_apds9960;
bool sensor_apds9960_begin() {
bool status = _sensor_apds9960.begin();
if (status) {
_sensor_apds9960.enableColor(true);
debug("APDS9960 Connected");
} else {
debug("Could not find a valid APDS9960 sensor, check wiring!");
}
return status;
}
float apds9960_light() {
uint16_t red, green, blue, white, lux;
while(!_sensor_apds9960.colorDataReady()) {
delay(5);
}
_sensor_apds9960.getColorData(&red, &green, &blue, &white);
//calculate lux
lux = _sensor_apds9960.calculateLux(red, green, blue);
return lux * LIGHT_FACTOR;
}

48
firmware/sensor_battery.ino Normal file
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@ -0,0 +1,48 @@
float _sensor_battery_saveMode = 0;
uint16_t energySavingIterations = 0;
// Copied from https://arduinodiy.wordpress.com/2016/12/25/monitoring-lipo-battery-voltage-with-wemos-d1-minibattery-shield-and-thingspeak/
float battery_voltage() {
// ESP8266 ADC pin input voltage range ist 0V .. 1V
// The Wemos D1 mini does already contain a voltage divider circuit: A0(Wemos PCB) -- [220kOhm] -- ADC (ESP8266)-- [100kOhm] -- GND
// The (+) pole of the battery is connected to the A0 pin of the Wemos board through a additional 100kOhm resistance.
// The battery voltage of 4.2V max is measured as 1.0V on ESP8266 ADC pin.
uint16_t raw = analogRead(A0);
float volt = raw / 1023.0;
return volt * 4.2;
}
float battery_charging() {
if (LOW == digitalRead(BAT_CHARGING_PIN)) {
return BAT_CHARGE_STATE_CHARGING;
} else if (LOW == digitalRead(BAT_CHARGED_PIN)) {
return BAT_CHARGE_STATE_CHARGED;
}
return BAT_CHARGE_STATE_NOTCHARGING;
}
int energySavingMode() {
// Give the solar panel some time to load the cell to prevent
// flapping.
if (energySavingIterations > 0) {
energySavingIterations--;
_sensor_battery_saveMode = ENERGY_SAVE_MODE_ENABLED;
return 1;
}
// Is the battery low?
if (currentSensorData[SENSOR_BAT_VOLTAGE] <= BAT_LOW_VOLTAGE) {
// Entering energy saving
energySavingIterations = ENERGY_SAVING_ITERATIONS;
_sensor_battery_saveMode = ENERGY_SAVE_MODE_ENABLED;
return 1;
}
_sensor_battery_saveMode = ENERGY_SAVE_MODE_DISABLED;
return 0;
}
float isEnergySavingMode() {
return _sensor_battery_saveMode;
}

24
firmware/sensor_bme280.ino Normal file
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@ -0,0 +1,24 @@
#include <Adafruit_BME280.h> // BME280 - https://www.roboter-bausatz.de/1704/bmp280-barometer-luftdrucksensor?gclid=EAIaIQobChMIlpumj8Hp2wIVFWYbCh01PgmFEAQYAyABEgIwBvD_BwE
#include "config_user.h"
Adafruit_BME280 _sensor_bme280;
bool sensor_bme280_begin(uint8_t addr) {
bool status = _sensor_bme280.begin(addr);
if (status) {
debug("BME280 Connected!");
} else {
debug("Could not find a valid BME280 sensor, check wiring!");
}
return status;
}
float bme280_temperature() {
return _sensor_bme280.readTemperature();
}
float bme280_pressure() {
return _sensor_bme280.readPressure() / 100.0F;
}
float bme280_humidity() {
return _sensor_bme280.readHumidity() * HUMIDITY_FACTOR;
}

23
firmware/sensor_wind.ino Normal file
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@ -0,0 +1,23 @@
#include "config_user.h"
int anemometerRotations = 0;
unsigned long currentTime = 0;
ICACHE_RAM_ATTR void _anemometerInterrupt() {
anemometerRotations++;
#ifdef DEBUG
Serial.print("*");
#endif
}
float wind_speed() {
anemometerRotations = 0;
currentTime = millis();
int interruptNumber = digitalPinToInterrupt(ANEMOMETER_PIN);
attachInterrupt(interruptNumber, _anemometerInterrupt, RISING);
delay(1000 * 5);
detachInterrupt(interruptNumber);
return (float)anemometerRotations / 5.0 * 2.4;
}

75
firmware/sensors.ino
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@ -1,75 +0,0 @@
#include "config_user.h"
int anemometerRotations = 0;
unsigned long currentTime = 0;
float fetchTemperature() {
return bme.readTemperature();
}
float fetchPressure() {
return bme.readPressure() / 100.0F;
}
float fetchHumidity() {
return bme.readHumidity() * HUMIDITY_FACTOR;
}
float fetchLight() {
//TODO read values
uint16_t red, green, blue, white, lux;
while(!apds.colorDataReady()) {
delay(5);
}
apds.getColorData(&red, &green, &blue, &white);
//calculate lux
lux = apds.calculateLux(red, green, blue);
return lux * LIGHT_FACTOR;
}
ICACHE_RAM_ATTR void _anemometerInterrupt() {
anemometerRotations++;
#ifdef DEBUG
Serial.print("*");
#endif
}
float fetchWindspeed() {
anemometerRotations = 0;
currentTime = millis();
int interruptNumber = digitalPinToInterrupt(ANEMOMETER_PIN);
attachInterrupt(interruptNumber, _anemometerInterrupt, RISING);
delay(1000 * 5);
detachInterrupt(interruptNumber);
return (float)anemometerRotations / 5.0 * 2.4;
}
// Copied from https://arduinodiy.wordpress.com/2016/12/25/monitoring-lipo-battery-voltage-with-wemos-d1-minibattery-shield-and-thingspeak/
#ifdef BATTERY_POWERED
float getBatteryVoltage() {
// ESP8266 ADC pin input voltage range ist 0V .. 1V
// The Wemos D1 mini does already contain a voltage divider circuit: A0(Wemos PCB) -- [220kOhm] -- ADC (ESP8266)-- [100kOhm] -- GND
// The (+) pole of the battery is connected to the A0 pin of the Wemos board through a additional 100kOhm resistance.
// The battery voltage of 4.2V max is measured as 1.0V on ESP8266 ADC pin.
uint16_t raw = analogRead(A0);
float volt = raw / 1023.0;
return volt * 4.2;
}
float isBatCharging() {
if (LOW == digitalRead(BAT_CHARGING_PIN))
{
return BAT_CHARGE_STATE_CHARGING;
} else if (LOW == digitalRead(BAT_CHARGED_PIN))
{
return BAT_CHARGE_STATE_CHARGED;
}
return BAT_CHARGE_STATE_NOTCHARGING;
}
#endif

2
firmware/webUpdater.ino
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@ -46,7 +46,7 @@ void doWebUpdater(void)
void setSensorData(String device, String localip, float sensorValues[]) {
dev = device;
ip = localip;
for (uint8_t i = 0; i < 7; i++)
for (uint8_t i = 0; i < VALUES; i++)
{
sensValues[i] = sensorValues[i];
}