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Florian Eitel 2019-08-03 20:34:17 +02:00
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firmware/libraries/Adafruit_APDS9960_Library/Adafruit_APDS9960.cpp
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firmware/libraries/Adafruit_APDS9960_Library/Adafruit_APDS9960.h
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# Adafruit APDS9960 Library [![Build Status](https://travis-ci.com/adafruit/Adafruit_APDS9960.svg?branch=master)](https://travis-ci.com/adafruit/Adafruit_APDS9960)
<a href="https://www.adafruit.com/product/3595"><img src="assets/board.jpg?raw=true" width="500px"></a>
This is the Adafruit APDS9960 Proximity, Light, RGB, and Gesture sensor Library
Tested and works great with the Adafruit APDS9960 Board
* http://www.adafruit.com/products/3595
This chip uses I2C to communicate, 2 pins are required to interface
Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!
Written by Dean Miller, Limor Fried for Adafruit Industries.
BSD license, check license.txt for more information
All text above must be included in any redistribution
To install, use the Arduino Library Manager and search for "Adafruit APDS9960 Library" and install the library.

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firmware/libraries/Adafruit_APDS9960_Library/code-of-conduct.md Normal file
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# Adafruit Community Code of Conduct
## Our Pledge
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Examples of behavior that contributes to creating a positive environment
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We value many things beyond technical expertise, including collaboration and
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## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
version 1.4, available at
<https://www.contributor-covenant.org/version/1/4/code-of-conduct.html>,
and the [Rust Code of Conduct](https://www.rust-lang.org/en-US/conduct.html).
For other projects adopting the Adafruit Community Code of
Conduct, please contact the maintainers of those projects for enforcement.
If you wish to use this code of conduct for your own project, consider
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own moderation policy so as to avoid confusion.

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firmware/libraries/Adafruit_APDS9960_Library/library.properties
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name=Adafruit APDS9960 Library name=Adafruit APDS9960 Library
version=1.0.5 version=1.1.1
author=Adafruit author=Adafruit
maintainer=Adafruit <info@adafruit.com> maintainer=Adafruit <info@adafruit.com>
sentence=This is a library for the Adafruit APDS9960 gesture/proximity/color/light sensor. sentence=This is a library for the Adafruit APDS9960 gesture/proximity/color/light sensor.

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firmware/libraries/Adafruit_APDS9960_Library/license.txt Normal file
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Software License Agreement (BSD License)
Copyright (c) 2012, Adafruit Industries
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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firmware/libraries/Adafruit_BME280_Library/Adafruit_BME280.cpp
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/***************************************************************************
This is a library for the BME280 humidity, temperature & pressure sensor
Designed specifically to work with the Adafruit BME280 Breakout
----> http://www.adafruit.com/products/2650
These sensors use I2C or SPI to communicate, 2 or 4 pins are required
to interface.
Adafruit invests time and resources providing this open source code,
please support Adafruit andopen-source hardware by purchasing products
from Adafruit!
Written by Limor Fried & Kevin Townsend for Adafruit Industries.
BSD license, all text above must be included in any redistribution
***************************************************************************/
#include "Arduino.h"
#include <Wire.h>
#include <SPI.h>
#include "Adafruit_BME280.h"
/***************************************************************************
PRIVATE FUNCTIONS
***************************************************************************/
Adafruit_BME280::Adafruit_BME280()
: _cs(-1), _mosi(-1), _miso(-1), _sck(-1)
{ }
Adafruit_BME280::Adafruit_BME280(int8_t cspin)
: _cs(cspin), _mosi(-1), _miso(-1), _sck(-1)
{ }
Adafruit_BME280::Adafruit_BME280(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin)
: _cs(cspin), _mosi(mosipin), _miso(misopin), _sck(sckpin)
{ }
/**************************************************************************/
/*! /*!
@brief Initialise sensor with given parameters / settings * @file Adafruit_BME280.cpp
*/ *
/**************************************************************************/ * @mainpage Adafruit BME280 humidity, temperature & pressure sensor
bool Adafruit_BME280::begin(TwoWire *theWire) *
{ * @section intro_sec Introduction
_wire = theWire; *
_i2caddr = BME280_ADDRESS; * Driver for the BME280 humidity, temperature & pressure sensor
return init(); *
* These sensors use I2C or SPI to communicate, 2 or 4 pins are required
* to interface.
*
* Designed specifically to work with the Adafruit BME280 Breakout
* ----> http://www.adafruit.com/products/2652
*
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
*
* @section author Author
*
* Written by Kevin "KTOWN" Townsend for Adafruit Industries.
*
* @section license License
*
* BSD license, all text here must be included in any redistribution.
* See the LICENSE file for details.
*
*/
#include "Adafruit_BME280.h"
#include "Arduino.h"
#include <SPI.h>
#include <Wire.h>
/*!
* @brief class constructor
*/
Adafruit_BME280::Adafruit_BME280() : _cs(-1), _mosi(-1), _miso(-1), _sck(-1) {}
/*!
* @brief class constructor if using hardware SPI
* @param cspin the chip select pin to use
* @param *theSPI
* optional SPI object
*/
Adafruit_BME280::Adafruit_BME280(int8_t cspin, SPIClass *theSPI) {
_cs = cspin;
_mosi = _miso = _sck = -1;
_spi = theSPI;
} }
bool Adafruit_BME280::begin(uint8_t addr) /*!
{ * @brief class constructor if using software SPI
_i2caddr = addr; * @param cspin the chip select pin to use
_wire = &Wire; * @param mosipin the MOSI pin to use
return init(); * @param misopin the MISO pin to use
* @param sckpin the SCK pin to use
*/
Adafruit_BME280::Adafruit_BME280(int8_t cspin, int8_t mosipin, int8_t misopin,
int8_t sckpin)
: _cs(cspin), _mosi(mosipin), _miso(misopin), _sck(sckpin) {}
/*!
* @brief Initialise sensor with given parameters / settings
* @param theWire the I2C object to use
* @returns true on success, false otherwise
*/
bool Adafruit_BME280::begin(TwoWire *theWire) {
_wire = theWire;
_i2caddr = BME280_ADDRESS;
return init();
} }
bool Adafruit_BME280::begin(uint8_t addr, TwoWire *theWire) /*!
{ * @brief Initialise sensor with given parameters / settings
_i2caddr = addr; * @param addr the I2C address the device can be found on
_wire = theWire; * @returns true on success, false otherwise
return init(); */
bool Adafruit_BME280::begin(uint8_t addr) {
_i2caddr = addr;
_wire = &Wire;
return init();
} }
bool Adafruit_BME280::begin(void) /*!
{ * @brief Initialise sensor with given parameters / settings
_i2caddr = BME280_ADDRESS; * @param addr the I2C address the device can be found on
_wire = &Wire; * @param theWire the I2C object to use
return init(); * @returns true on success, false otherwise
*/
bool Adafruit_BME280::begin(uint8_t addr, TwoWire *theWire) {
_i2caddr = addr;
_wire = theWire;
return init();
} }
bool Adafruit_BME280::init() /*!
{ * @brief Initialise sensor with given parameters / settings
// init I2C or SPI sensor interface * @returns true on success, false otherwise
if (_cs == -1) { */
// I2C bool Adafruit_BME280::begin(void) {
_wire -> begin(); bool status = false;
_i2caddr = BME280_ADDRESS;
_wire = &Wire;
status = init();
if (!status) {
_i2caddr = BME280_ADDRESS_ALTERNATE;
status = init();
}
return status;
}
/*!
* @brief Initialise sensor with given parameters / settings
* @returns true on success, false otherwise
*/
bool Adafruit_BME280::init() {
// init I2C or SPI sensor interface
if (_cs == -1) {
// I2C
_wire->begin();
} else {
digitalWrite(_cs, HIGH);
pinMode(_cs, OUTPUT);
if (_sck == -1) {
// hardware SPI
_spi->begin();
} else { } else {
digitalWrite(_cs, HIGH); // software SPI
pinMode(_cs, OUTPUT); pinMode(_sck, OUTPUT);
if (_sck == -1) { pinMode(_mosi, OUTPUT);
// hardware SPI pinMode(_miso, INPUT);
SPI.begin();
} else {
// software SPI
pinMode(_sck, OUTPUT);
pinMode(_mosi, OUTPUT);
pinMode(_miso, INPUT);
}
} }
}
// check if sensor, i.e. the chip ID is correct // check if sensor, i.e. the chip ID is correct
if (read8(BME280_REGISTER_CHIPID) != 0x60) _sensorID = read8(BME280_REGISTER_CHIPID);
return false; if (_sensorID != 0x60)
return false;
// reset the device using soft-reset // reset the device using soft-reset
// this makes sure the IIR is off, etc. // this makes sure the IIR is off, etc.
write8(BME280_REGISTER_SOFTRESET, 0xB6); write8(BME280_REGISTER_SOFTRESET, 0xB6);
// wait for chip to wake up. // wait for chip to wake up.
delay(300); delay(300);
// if chip is still reading calibration, delay
while (isReadingCalibration())
delay(100);
readCoefficients(); // read trimming parameters, see DS 4.2.2
setSampling(); // use defaults
// if chip is still reading calibration, delay
while (isReadingCalibration())
delay(100); delay(100);
return true; readCoefficients(); // read trimming parameters, see DS 4.2.2
setSampling(); // use defaults
delay(100);
return true;
} }
/**************************************************************************/
/*! /*!
@brief setup sensor with given parameters / settings * @brief setup sensor with given parameters / settings
*
This is simply a overload to the normal begin()-function, so SPI users * This is simply a overload to the normal begin()-function, so SPI users
don't get confused about the library requiring an address. * don't get confused about the library requiring an address.
*/ * @param mode the power mode to use for the sensor
/**************************************************************************/ * @param tempSampling the temp samping rate to use
* @param pressSampling the pressure sampling rate to use
* @param humSampling the humidity sampling rate to use
* @param filter the filter mode to use
* @param duration the standby duration to use
*/
void Adafruit_BME280::setSampling(sensor_mode mode,
sensor_sampling tempSampling,
sensor_sampling pressSampling,
sensor_sampling humSampling,
sensor_filter filter,
standby_duration duration) {
_measReg.mode = mode;
_measReg.osrs_t = tempSampling;
_measReg.osrs_p = pressSampling;
_humReg.osrs_h = humSampling;
_configReg.filter = filter;
_configReg.t_sb = duration;
void Adafruit_BME280::setSampling(sensor_mode mode, // you must make sure to also set REGISTER_CONTROL after setting the
sensor_sampling tempSampling, // CONTROLHUMID register, otherwise the values won't be applied (see
sensor_sampling pressSampling, // DS 5.4.3)
sensor_sampling humSampling, write8(BME280_REGISTER_CONTROLHUMID, _humReg.get());
sensor_filter filter, write8(BME280_REGISTER_CONFIG, _configReg.get());
standby_duration duration) { write8(BME280_REGISTER_CONTROL, _measReg.get());
_measReg.mode = mode;
_measReg.osrs_t = tempSampling;
_measReg.osrs_p = pressSampling;
_humReg.osrs_h = humSampling;
_configReg.filter = filter;
_configReg.t_sb = duration;
// you must make sure to also set REGISTER_CONTROL after setting the
// CONTROLHUMID register, otherwise the values won't be applied (see DS 5.4.3)
write8(BME280_REGISTER_CONTROLHUMID, _humReg.get());
write8(BME280_REGISTER_CONFIG, _configReg.get());
write8(BME280_REGISTER_CONTROL, _measReg.get());
} }
/**************************************************************************/
/*! /*!
@brief Encapsulate hardware and software SPI transfer into one function * @brief Encapsulate hardware and software SPI transfer into one
*/ * function
/**************************************************************************/ * @param x the data byte to transfer
* @returns the data byte read from the device
*/
uint8_t Adafruit_BME280::spixfer(uint8_t x) { uint8_t Adafruit_BME280::spixfer(uint8_t x) {
// hardware SPI // hardware SPI
if (_sck == -1) if (_sck == -1)
return SPI.transfer(x); return _spi->transfer(x);
// software SPI // software SPI
uint8_t reply = 0; uint8_t reply = 0;
for (int i=7; i>=0; i--) { for (int i = 7; i >= 0; i--) {
reply <<= 1; reply <<= 1;
digitalWrite(_sck, LOW); digitalWrite(_sck, LOW);
digitalWrite(_mosi, x & (1<<i)); digitalWrite(_mosi, x & (1 << i));
digitalWrite(_sck, HIGH); digitalWrite(_sck, HIGH);
if (digitalRead(_miso)) if (digitalRead(_miso))
reply |= 1; reply |= 1;
} }
return reply; return reply;
} }
/**************************************************************************/
/*! /*!
@brief Writes an 8 bit value over I2C or SPI * @brief Writes an 8 bit value over I2C or SPI
*/ * @param reg the register address to write to
/**************************************************************************/ * @param value the value to write to the register
*/
void Adafruit_BME280::write8(byte reg, byte value) { void Adafruit_BME280::write8(byte reg, byte value) {
if (_cs == -1) { if (_cs == -1) {
_wire -> beginTransmission((uint8_t)_i2caddr); _wire->beginTransmission((uint8_t)_i2caddr);
_wire -> write((uint8_t)reg); _wire->write((uint8_t)reg);
_wire -> write((uint8_t)value); _wire->write((uint8_t)value);
_wire -> endTransmission(); _wire->endTransmission();
} else { } else {
if (_sck == -1)
SPI.beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
digitalWrite(_cs, LOW);
spixfer(reg & ~0x80); // write, bit 7 low
spixfer(value);
digitalWrite(_cs, HIGH);
if (_sck == -1) if (_sck == -1)
SPI.endTransaction(); // release the SPI bus _spi->beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
} digitalWrite(_cs, LOW);
spixfer(reg & ~0x80); // write, bit 7 low
spixfer(value);
digitalWrite(_cs, HIGH);
if (_sck == -1)
_spi->endTransaction(); // release the SPI bus
}
} }
/**************************************************************************/
/*! /*!
@brief Reads an 8 bit value over I2C or SPI * @brief Reads an 8 bit value over I2C or SPI
*/ * @param reg the register address to read from
/**************************************************************************/ * @returns the data byte read from the device
*/
uint8_t Adafruit_BME280::read8(byte reg) { uint8_t Adafruit_BME280::read8(byte reg) {
uint8_t value; uint8_t value;
if (_cs == -1) { if (_cs == -1) {
_wire -> beginTransmission((uint8_t)_i2caddr); _wire->beginTransmission((uint8_t)_i2caddr);
_wire -> write((uint8_t)reg); _wire->write((uint8_t)reg);
_wire -> endTransmission(); _wire->endTransmission();
_wire -> requestFrom((uint8_t)_i2caddr, (byte)1); _wire->requestFrom((uint8_t)_i2caddr, (byte)1);
value = _wire -> read(); value = _wire->read();
} else { } else {
if (_sck == -1) if (_sck == -1)
SPI.beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0)); _spi->beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
spixfer(reg | 0x80); // read, bit 7 high spixfer(reg | 0x80); // read, bit 7 high
value = spixfer(0); value = spixfer(0);
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
if (_sck == -1) if (_sck == -1)
SPI.endTransaction(); // release the SPI bus _spi->endTransaction(); // release the SPI bus
} }
return value; return value;
} }
/**************************************************************************/
/*! /*!
@brief Reads a 16 bit value over I2C or SPI * @brief Reads a 16 bit value over I2C or SPI
*/ * @param reg the register address to read from
/**************************************************************************/ * @returns the 16 bit data value read from the device
uint16_t Adafruit_BME280::read16(byte reg) */
{ uint16_t Adafruit_BME280::read16(byte reg) {
uint16_t value; uint16_t value;
if (_cs == -1) { if (_cs == -1) {
_wire -> beginTransmission((uint8_t)_i2caddr); _wire->beginTransmission((uint8_t)_i2caddr);
_wire -> write((uint8_t)reg); _wire->write((uint8_t)reg);
_wire -> endTransmission(); _wire->endTransmission();
_wire -> requestFrom((uint8_t)_i2caddr, (byte)2); _wire->requestFrom((uint8_t)_i2caddr, (byte)2);
value = (_wire -> read() << 8) | _wire -> read(); value = (_wire->read() << 8) | _wire->read();
} else { } else {
if (_sck == -1) if (_sck == -1)
SPI.beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0)); _spi->beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
spixfer(reg | 0x80); // read, bit 7 high spixfer(reg | 0x80); // read, bit 7 high
value = (spixfer(0) << 8) | spixfer(0); value = (spixfer(0) << 8) | spixfer(0);
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
if (_sck == -1) if (_sck == -1)
SPI.endTransaction(); // release the SPI bus _spi->endTransaction(); // release the SPI bus
} }
return value; return value;
} }
/**************************************************************************/
/*! /*!
* @brief Reads a signed 16 bit little endian value over I2C or SPI
*/ * @param reg the register address to read from
/**************************************************************************/ * @returns the 16 bit data value read from the device
*/
uint16_t Adafruit_BME280::read16_LE(byte reg) { uint16_t Adafruit_BME280::read16_LE(byte reg) {
uint16_t temp = read16(reg); uint16_t temp = read16(reg);
return (temp >> 8) | (temp << 8); return (temp >> 8) | (temp << 8);
} }
/**************************************************************************/
/*! /*!
@brief Reads a signed 16 bit value over I2C or SPI * @brief Reads a signed 16 bit value over I2C or SPI
*/ * @param reg the register address to read from
/**************************************************************************/ * @returns the 16 bit data value read from the device
int16_t Adafruit_BME280::readS16(byte reg) */
{ int16_t Adafruit_BME280::readS16(byte reg) { return (int16_t)read16(reg); }
return (int16_t)read16(reg);
/*!
* @brief Reads a signed little endian 16 bit value over I2C or SPI
* @param reg the register address to read from
* @returns the 16 bit data value read from the device
*/
int16_t Adafruit_BME280::readS16_LE(byte reg) {
return (int16_t)read16_LE(reg);
} }
/**************************************************************************/
/*! /*!
* @brief Reads a 24 bit value over I2C
*/ * @param reg the register address to read from
/**************************************************************************/ * @returns the 24 bit data value read from the device
int16_t Adafruit_BME280::readS16_LE(byte reg) */
{ uint32_t Adafruit_BME280::read24(byte reg) {
return (int16_t)read16_LE(reg); uint32_t value;
if (_cs == -1) {
_wire->beginTransmission((uint8_t)_i2caddr);
_wire->write((uint8_t)reg);
_wire->endTransmission();
_wire->requestFrom((uint8_t)_i2caddr, (byte)3);
value = _wire->read();
value <<= 8;
value |= _wire->read();
value <<= 8;
value |= _wire->read();
} else {
if (_sck == -1)
_spi->beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
digitalWrite(_cs, LOW);
spixfer(reg | 0x80); // read, bit 7 high
value = spixfer(0);
value <<= 8;
value |= spixfer(0);
value <<= 8;
value |= spixfer(0);
digitalWrite(_cs, HIGH);
if (_sck == -1)
_spi->endTransaction(); // release the SPI bus
}
return value;
} }
/**************************************************************************/
/*! /*!
@brief Reads a 24 bit value over I2C * @brief Take a new measurement (only possible in forced mode)
*/ */
/**************************************************************************/ void Adafruit_BME280::takeForcedMeasurement() {
uint32_t Adafruit_BME280::read24(byte reg) // If we are in forced mode, the BME sensor goes back to sleep after each
{ // measurement and we need to set it to forced mode once at this point, so
uint32_t value; // it will take the next measurement and then return to sleep again.
// In normal mode simply does new measurements periodically.
if (_cs == -1) { if (_measReg.mode == MODE_FORCED) {
_wire -> beginTransmission((uint8_t)_i2caddr); // set to forced mode, i.e. "take next measurement"
_wire -> write((uint8_t)reg); write8(BME280_REGISTER_CONTROL, _measReg.get());
_wire -> endTransmission(); // wait until measurement has been completed, otherwise we would read
_wire -> requestFrom((uint8_t)_i2caddr, (byte)3); // the values from the last measurement
while (read8(BME280_REGISTER_STATUS) & 0x08)
value = _wire -> read(); delay(1);
value <<= 8; }
value |= _wire -> read();
value <<= 8;
value |= _wire -> read();
} else {
if (_sck == -1)
SPI.beginTransaction(SPISettings(500000, MSBFIRST, SPI_MODE0));
digitalWrite(_cs, LOW);
spixfer(reg | 0x80); // read, bit 7 high
value = spixfer(0);
value <<= 8;
value |= spixfer(0);
value <<= 8;
value |= spixfer(0);
digitalWrite(_cs, HIGH);
if (_sck == -1)
SPI.endTransaction(); // release the SPI bus
}
return value;
} }
/**************************************************************************/
/*! /*!
@brief Take a new measurement (only possible in forced mode) * @brief Reads the factory-set coefficients
*/ */
/**************************************************************************/ void Adafruit_BME280::readCoefficients(void) {
void Adafruit_BME280::takeForcedMeasurement() _bme280_calib.dig_T1 = read16_LE(BME280_REGISTER_DIG_T1);
{ _bme280_calib.dig_T2 = readS16_LE(BME280_REGISTER_DIG_T2);
// If we are in forced mode, the BME sensor goes back to sleep after each _bme280_calib.dig_T3 = readS16_LE(BME280_REGISTER_DIG_T3);
// measurement and we need to set it to forced mode once at this point, so
// it will take the next measurement and then return to sleep again. _bme280_calib.dig_P1 = read16_LE(BME280_REGISTER_DIG_P1);
// In normal mode simply does new measurements periodically. _bme280_calib.dig_P2 = readS16_LE(BME280_REGISTER_DIG_P2);
if (_measReg.mode == MODE_FORCED) { _bme280_calib.dig_P3 = readS16_LE(BME280_REGISTER_DIG_P3);
// set to forced mode, i.e. "take next measurement" _bme280_calib.dig_P4 = readS16_LE(BME280_REGISTER_DIG_P4);
write8(BME280_REGISTER_CONTROL, _measReg.get()); _bme280_calib.dig_P5 = readS16_LE(BME280_REGISTER_DIG_P5);
// wait until measurement has been completed, otherwise we would read _bme280_calib.dig_P6 = readS16_LE(BME280_REGISTER_DIG_P6);
// the values from the last measurement _bme280_calib.dig_P7 = readS16_LE(BME280_REGISTER_DIG_P7);
while (read8(BME280_REGISTER_STATUS) & 0x08) _bme280_calib.dig_P8 = readS16_LE(BME280_REGISTER_DIG_P8);
delay(1); _bme280_calib.dig_P9 = readS16_LE(BME280_REGISTER_DIG_P9);
}
_bme280_calib.dig_H1 = read8(BME280_REGISTER_DIG_H1);
_bme280_calib.dig_H2 = readS16_LE(BME280_REGISTER_DIG_H2);
_bme280_calib.dig_H3 = read8(BME280_REGISTER_DIG_H3);
_bme280_calib.dig_H4 = (read8(BME280_REGISTER_DIG_H4) << 4) |
(read8(BME280_REGISTER_DIG_H4 + 1) & 0xF);
_bme280_calib.dig_H5 = (read8(BME280_REGISTER_DIG_H5 + 1) << 4) |
(read8(BME280_REGISTER_DIG_H5) >> 4);
_bme280_calib.dig_H6 = (int8_t)read8(BME280_REGISTER_DIG_H6);
} }
/**************************************************************************/
/*! /*!
@brief Reads the factory-set coefficients * @brief return true if chip is busy reading cal data
*/ * @returns true if reading calibration, false otherwise
/**************************************************************************/ */
void Adafruit_BME280::readCoefficients(void) bool Adafruit_BME280::isReadingCalibration(void) {
{
_bme280_calib.dig_T1 = read16_LE(BME280_REGISTER_DIG_T1);
_bme280_calib.dig_T2 = readS16_LE(BME280_REGISTER_DIG_T2);
_bme280_calib.dig_T3 = readS16_LE(BME280_REGISTER_DIG_T3);
_bme280_calib.dig_P1 = read16_LE(BME280_REGISTER_DIG_P1);
_bme280_calib.dig_P2 = readS16_LE(BME280_REGISTER_DIG_P2);
_bme280_calib.dig_P3 = readS16_LE(BME280_REGISTER_DIG_P3);
_bme280_calib.dig_P4 = readS16_LE(BME280_REGISTER_DIG_P4);
_bme280_calib.dig_P5 = readS16_LE(BME280_REGISTER_DIG_P5);
_bme280_calib.dig_P6 = readS16_LE(BME280_REGISTER_DIG_P6);
_bme280_calib.dig_P7 = readS16_LE(BME280_REGISTER_DIG_P7);
_bme280_calib.dig_P8 = readS16_LE(BME280_REGISTER_DIG_P8);
_bme280_calib.dig_P9 = readS16_LE(BME280_REGISTER_DIG_P9);
_bme280_calib.dig_H1 = read8(BME280_REGISTER_DIG_H1);
_bme280_calib.dig_H2 = readS16_LE(BME280_REGISTER_DIG_H2);
_bme280_calib.dig_H3 = read8(BME280_REGISTER_DIG_H3);
_bme280_calib.dig_H4 = (read8(BME280_REGISTER_DIG_H4) << 4) | (read8(BME280_REGISTER_DIG_H4+1) & 0xF);
_bme280_calib.dig_H5 = (read8(BME280_REGISTER_DIG_H5+1) << 4) | (read8(BME280_REGISTER_DIG_H5) >> 4);
_bme280_calib.dig_H6 = (int8_t)read8(BME280_REGISTER_DIG_H6);
}
/**************************************************************************/
/*!
@brief return true if chip is busy reading cal data
*/
/**************************************************************************/
bool Adafruit_BME280::isReadingCalibration(void)
{
uint8_t const rStatus = read8(BME280_REGISTER_STATUS); uint8_t const rStatus = read8(BME280_REGISTER_STATUS);
return (rStatus & (1 << 0)) != 0; return (rStatus & (1 << 0)) != 0;
} }
/**************************************************************************/
/*! /*!
@brief Returns the temperature from the sensor * @brief Returns the temperature from the sensor
*/ * @returns the temperature read from the device
/**************************************************************************/ */
float Adafruit_BME280::readTemperature(void) float Adafruit_BME280::readTemperature(void) {
{ int32_t var1, var2;
int32_t var1, var2;
int32_t adc_T = read24(BME280_REGISTER_TEMPDATA); int32_t adc_T = read24(BME280_REGISTER_TEMPDATA);
if (adc_T == 0x800000) // value in case temp measurement was disabled if (adc_T == 0x800000) // value in case temp measurement was disabled
return NAN; return NAN;
adc_T >>= 4; adc_T >>= 4;
var1 = ((((adc_T>>3) - ((int32_t)_bme280_calib.dig_T1 <<1))) * var1 = ((((adc_T >> 3) - ((int32_t)_bme280_calib.dig_T1 << 1))) *
((int32_t)_bme280_calib.dig_T2)) >> 11; ((int32_t)_bme280_calib.dig_T2)) >>
11;
var2 = (((((adc_T>>4) - ((int32_t)_bme280_calib.dig_T1)) *
((adc_T>>4) - ((int32_t)_bme280_calib.dig_T1))) >> 12) *
((int32_t)_bme280_calib.dig_T3)) >> 14;
t_fine = var1 + var2; var2 = (((((adc_T >> 4) - ((int32_t)_bme280_calib.dig_T1)) *
((adc_T >> 4) - ((int32_t)_bme280_calib.dig_T1))) >>
12) *
((int32_t)_bme280_calib.dig_T3)) >>
14;
float T = (t_fine * 5 + 128) >> 8; t_fine = var1 + var2;
return T/100;
float T = (t_fine * 5 + 128) >> 8;
return T / 100;
} }
/**************************************************************************/
/*! /*!
@brief Returns the temperature from the sensor * @brief Returns the pressure from the sensor
*/ * @returns the pressure value (in Pascal) read from the device
/**************************************************************************/ */
float Adafruit_BME280::readPressure(void) { float Adafruit_BME280::readPressure(void) {
int64_t var1, var2, p; int64_t var1, var2, p;
readTemperature(); // must be done first to get t_fine readTemperature(); // must be done first to get t_fine
int32_t adc_P = read24(BME280_REGISTER_PRESSUREDATA); int32_t adc_P = read24(BME280_REGISTER_PRESSUREDATA);
if (adc_P == 0x800000) // value in case pressure measurement was disabled if (adc_P == 0x800000) // value in case pressure measurement was disabled
return NAN; return NAN;
adc_P >>= 4; adc_P >>= 4;
var1 = ((int64_t)t_fine) - 128000; var1 = ((int64_t)t_fine) - 128000;
var2 = var1 * var1 * (int64_t)_bme280_calib.dig_P6; var2 = var1 * var1 * (int64_t)_bme280_calib.dig_P6;
var2 = var2 + ((var1*(int64_t)_bme280_calib.dig_P5)<<17); var2 = var2 + ((var1 * (int64_t)_bme280_calib.dig_P5) << 17);
var2 = var2 + (((int64_t)_bme280_calib.dig_P4)<<35); var2 = var2 + (((int64_t)_bme280_calib.dig_P4) << 35);
var1 = ((var1 * var1 * (int64_t)_bme280_calib.dig_P3)>>8) + var1 = ((var1 * var1 * (int64_t)_bme280_calib.dig_P3) >> 8) +
((var1 * (int64_t)_bme280_calib.dig_P2)<<12); ((var1 * (int64_t)_bme280_calib.dig_P2) << 12);
var1 = (((((int64_t)1)<<47)+var1))*((int64_t)_bme280_calib.dig_P1)>>33; var1 =
(((((int64_t)1) << 47) + var1)) * ((int64_t)_bme280_calib.dig_P1) >> 33;
if (var1 == 0) { if (var1 == 0) {
return 0; // avoid exception caused by division by zero return 0; // avoid exception caused by division by zero
} }
p = 1048576 - adc_P; p = 1048576 - adc_P;
p = (((p<<31) - var2)*3125) / var1; p = (((p << 31) - var2) * 3125) / var1;
var1 = (((int64_t)_bme280_calib.dig_P9) * (p>>13) * (p>>13)) >> 25; var1 = (((int64_t)_bme280_calib.dig_P9) * (p >> 13) * (p >> 13)) >> 25;
var2 = (((int64_t)_bme280_calib.dig_P8) * p) >> 19; var2 = (((int64_t)_bme280_calib.dig_P8) * p) >> 19;
p = ((p + var1 + var2) >> 8) + (((int64_t)_bme280_calib.dig_P7)<<4); p = ((p + var1 + var2) >> 8) + (((int64_t)_bme280_calib.dig_P7) << 4);
return (float)p/256; return (float)p / 256;
} }
/**************************************************************************/
/*! /*!
@brief Returns the humidity from the sensor * @brief Returns the humidity from the sensor
*/ * @returns the humidity value read from the device
/**************************************************************************/ */
float Adafruit_BME280::readHumidity(void) { float Adafruit_BME280::readHumidity(void) {
readTemperature(); // must be done first to get t_fine readTemperature(); // must be done first to get t_fine
int32_t adc_H = read16(BME280_REGISTER_HUMIDDATA); int32_t adc_H = read16(BME280_REGISTER_HUMIDDATA);
if (adc_H == 0x8000) // value in case humidity measurement was disabled if (adc_H == 0x8000) // value in case humidity measurement was disabled
return NAN; return NAN;
int32_t v_x1_u32r;
v_x1_u32r = (t_fine - ((int32_t)76800)); int32_t v_x1_u32r;
v_x1_u32r = (((((adc_H << 14) - (((int32_t)_bme280_calib.dig_H4) << 20) - v_x1_u32r = (t_fine - ((int32_t)76800));
(((int32_t)_bme280_calib.dig_H5) * v_x1_u32r)) + ((int32_t)16384)) >> 15) *
(((((((v_x1_u32r * ((int32_t)_bme280_calib.dig_H6)) >> 10) *
(((v_x1_u32r * ((int32_t)_bme280_calib.dig_H3)) >> 11) + ((int32_t)32768))) >> 10) +
((int32_t)2097152)) * ((int32_t)_bme280_calib.dig_H2) + 8192) >> 14));
v_x1_u32r = (v_x1_u32r - (((((v_x1_u32r >> 15) * (v_x1_u32r >> 15)) >> 7) * v_x1_u32r = (((((adc_H << 14) - (((int32_t)_bme280_calib.dig_H4) << 20) -
((int32_t)_bme280_calib.dig_H1)) >> 4)); (((int32_t)_bme280_calib.dig_H5) * v_x1_u32r)) +
((int32_t)16384)) >>
15) *
(((((((v_x1_u32r * ((int32_t)_bme280_calib.dig_H6)) >> 10) *
(((v_x1_u32r * ((int32_t)_bme280_calib.dig_H3)) >> 11) +
((int32_t)32768))) >>
10) +
((int32_t)2097152)) *
((int32_t)_bme280_calib.dig_H2) +
8192) >>
14));
v_x1_u32r = (v_x1_u32r < 0) ? 0 : v_x1_u32r; v_x1_u32r = (v_x1_u32r - (((((v_x1_u32r >> 15) * (v_x1_u32r >> 15)) >> 7) *
v_x1_u32r = (v_x1_u32r > 419430400) ? 419430400 : v_x1_u32r; ((int32_t)_bme280_calib.dig_H1)) >>
float h = (v_x1_u32r>>12); 4));
return h / 1024.0;
v_x1_u32r = (v_x1_u32r < 0) ? 0 : v_x1_u32r;
v_x1_u32r = (v_x1_u32r > 419430400) ? 419430400 : v_x1_u32r;
float h = (v_x1_u32r >> 12);
return h / 1024.0;
} }
/**************************************************************************/
/*! /*!
Calculates the altitude (in meters) from the specified atmospheric * Calculates the altitude (in meters) from the specified atmospheric
pressure (in hPa), and sea-level pressure (in hPa). * pressure (in hPa), and sea-level pressure (in hPa).
* @param seaLevel Sea-level pressure in hPa
* @returns the altitude value read from the device
*/
float Adafruit_BME280::readAltitude(float seaLevel) {
// Equation taken from BMP180 datasheet (page 16):
// http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
@param seaLevel Sea-level pressure in hPa // Note that using the equation from wikipedia can give bad results
@param atmospheric Atmospheric pressure in hPa // at high altitude. See this thread for more information:
*/ // http://forums.adafruit.com/viewtopic.php?f=22&t=58064
/**************************************************************************/
float Adafruit_BME280::readAltitude(float seaLevel)
{
// Equation taken from BMP180 datasheet (page 16):
// http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
// Note that using the equation from wikipedia can give bad results float atmospheric = readPressure() / 100.0F;
// at high altitude. See this thread for more information: return 44330.0 * (1.0 - pow(atmospheric / seaLevel, 0.1903));
// http://forums.adafruit.com/viewtopic.php?f=22&t=58064
float atmospheric = readPressure() / 100.0F;
return 44330.0 * (1.0 - pow(atmospheric / seaLevel, 0.1903));
} }
/**************************************************************************/
/*! /*!
Calculates the pressure at sea level (in hPa) from the specified altitude * Calculates the pressure at sea level (in hPa) from the specified
(in meters), and atmospheric pressure (in hPa). * altitude (in meters), and atmospheric pressure (in hPa).
@param altitude Altitude in meters * @param altitude Altitude in meters
@param atmospheric Atmospheric pressure in hPa * @param atmospheric Atmospheric pressure in hPa
*/ * @returns the pressure at sea level (in hPa) from the specified altitude
/**************************************************************************/ */
float Adafruit_BME280::seaLevelForAltitude(float altitude, float atmospheric) float Adafruit_BME280::seaLevelForAltitude(float altitude, float atmospheric) {
{ // Equation taken from BMP180 datasheet (page 17):
// Equation taken from BMP180 datasheet (page 17): // http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
// http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
// Note that using the equation from wikipedia can give bad results // Note that using the equation from wikipedia can give bad results
// at high altitude. See this thread for more information: // at high altitude. See this thread for more information:
// http://forums.adafruit.com/viewtopic.php?f=22&t=58064 // http://forums.adafruit.com/viewtopic.php?f=22&t=58064
return atmospheric / pow(1.0 - (altitude/44330.0), 5.255); return atmospheric / pow(1.0 - (altitude / 44330.0), 5.255);
} }
/*!
* Returns Sensor ID found by init() for diagnostics
* @returns Sensor ID 0x60 for BME280, 0x56, 0x57, 0x58 BMP280
*/
uint32_t Adafruit_BME280::sensorID(void) { return _sensorID; }

511
firmware/libraries/Adafruit_BME280_Library/Adafruit_BME280.h
View file

@ -1,106 +1,108 @@
/*************************************************************************** /*!
This is a library for the BME280 humidity, temperature & pressure sensor * @file Adafruit_BME280.h
*
* Designed specifically to work with the Adafruit BME280 Breakout
* ----> http://www.adafruit.com/products/2650
*
* These sensors use I2C or SPI to communicate, 2 or 4 pins are required
* to interface.
*
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
*
* Written by Kevin "KTOWN" Townsend for Adafruit Industries.
*
* BSD license, all text here must be included in any redistribution.
* See the LICENSE file for details.
*
*/
Designed specifically to work with the Adafruit BME280 Breakout
----> http://www.adafruit.com/products/2650
These sensors use I2C or SPI to communicate, 2 or 4 pins are required
to interface.
Adafruit invests time and resources providing this open source code,
please support Adafruit andopen-source hardware by purchasing products
from Adafruit!
Written by Limor Fried & Kevin Townsend for Adafruit Industries.
BSD license, all text above must be included in any redistribution
***************************************************************************/
#ifndef __BME280_H__ #ifndef __BME280_H__
#define __BME280_H__ #define __BME280_H__
#if (ARDUINO >= 100) #include "Arduino.h"
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include <Adafruit_Sensor.h> #include <Adafruit_Sensor.h>
#include <SPI.h>
#include <Wire.h> #include <Wire.h>
/*========================================================================= /*!
I2C ADDRESS/BITS * @brief default I2C address
-----------------------------------------------------------------------*/ */
#define BME280_ADDRESS (0x77) #define BME280_ADDRESS (0x77) // Primary I2C Address
/*=========================================================================*/ /*!
* @brief alternate I2C address
*/
#define BME280_ADDRESS_ALTERNATE (0x76) // Alternate Address
/*========================================================================= /*!
REGISTERS * @brief Register addresses
-----------------------------------------------------------------------*/ */
enum enum {
{ BME280_REGISTER_DIG_T1 = 0x88,
BME280_REGISTER_DIG_T1 = 0x88, BME280_REGISTER_DIG_T2 = 0x8A,
BME280_REGISTER_DIG_T2 = 0x8A, BME280_REGISTER_DIG_T3 = 0x8C,
BME280_REGISTER_DIG_T3 = 0x8C,
BME280_REGISTER_DIG_P1 = 0x8E, BME280_REGISTER_DIG_P1 = 0x8E,
BME280_REGISTER_DIG_P2 = 0x90, BME280_REGISTER_DIG_P2 = 0x90,
BME280_REGISTER_DIG_P3 = 0x92, BME280_REGISTER_DIG_P3 = 0x92,
BME280_REGISTER_DIG_P4 = 0x94, BME280_REGISTER_DIG_P4 = 0x94,
BME280_REGISTER_DIG_P5 = 0x96, BME280_REGISTER_DIG_P5 = 0x96,
BME280_REGISTER_DIG_P6 = 0x98, BME280_REGISTER_DIG_P6 = 0x98,
BME280_REGISTER_DIG_P7 = 0x9A, BME280_REGISTER_DIG_P7 = 0x9A,
BME280_REGISTER_DIG_P8 = 0x9C, BME280_REGISTER_DIG_P8 = 0x9C,
BME280_REGISTER_DIG_P9 = 0x9E, BME280_REGISTER_DIG_P9 = 0x9E,
BME280_REGISTER_DIG_H1 = 0xA1, BME280_REGISTER_DIG_H1 = 0xA1,
BME280_REGISTER_DIG_H2 = 0xE1, BME280_REGISTER_DIG_H2 = 0xE1,
BME280_REGISTER_DIG_H3 = 0xE3, BME280_REGISTER_DIG_H3 = 0xE3,
BME280_REGISTER_DIG_H4 = 0xE4, BME280_REGISTER_DIG_H4 = 0xE4,
BME280_REGISTER_DIG_H5 = 0xE5, BME280_REGISTER_DIG_H5 = 0xE5,
BME280_REGISTER_DIG_H6 = 0xE7, BME280_REGISTER_DIG_H6 = 0xE7,
BME280_REGISTER_CHIPID = 0xD0, BME280_REGISTER_CHIPID = 0xD0,
BME280_REGISTER_VERSION = 0xD1, BME280_REGISTER_VERSION = 0xD1,
BME280_REGISTER_SOFTRESET = 0xE0, BME280_REGISTER_SOFTRESET = 0xE0,
BME280_REGISTER_CAL26 = 0xE1, // R calibration stored in 0xE1-0xF0 BME280_REGISTER_CAL26 = 0xE1, // R calibration stored in 0xE1-0xF0
BME280_REGISTER_CONTROLHUMID = 0xF2, BME280_REGISTER_CONTROLHUMID = 0xF2,
BME280_REGISTER_STATUS = 0XF3, BME280_REGISTER_STATUS = 0XF3,
BME280_REGISTER_CONTROL = 0xF4, BME280_REGISTER_CONTROL = 0xF4,
BME280_REGISTER_CONFIG = 0xF5, BME280_REGISTER_CONFIG = 0xF5,
BME280_REGISTER_PRESSUREDATA = 0xF7, BME280_REGISTER_PRESSUREDATA = 0xF7,
BME280_REGISTER_TEMPDATA = 0xFA, BME280_REGISTER_TEMPDATA = 0xFA,
BME280_REGISTER_HUMIDDATA = 0xFD BME280_REGISTER_HUMIDDATA = 0xFD
}; };
/*=========================================================================*/ /**************************************************************************/
/*!
@brief calibration data
*/
/**************************************************************************/
typedef struct {
uint16_t dig_T1; ///< temperature compensation value
int16_t dig_T2; ///< temperature compensation value
int16_t dig_T3; ///< temperature compensation value
/*========================================================================= uint16_t dig_P1; ///< pressure compensation value
CALIBRATION DATA int16_t dig_P2; ///< pressure compensation value
-----------------------------------------------------------------------*/ int16_t dig_P3; ///< pressure compensation value
typedef struct int16_t dig_P4; ///< pressure compensation value
{ int16_t dig_P5; ///< pressure compensation value
uint16_t dig_T1; int16_t dig_P6; ///< pressure compensation value
int16_t dig_T2; int16_t dig_P7; ///< pressure compensation value
int16_t dig_T3; int16_t dig_P8; ///< pressure compensation value
int16_t dig_P9; ///< pressure compensation value
uint16_t dig_P1; uint8_t dig_H1; ///< humidity compensation value
int16_t dig_P2; int16_t dig_H2; ///< humidity compensation value
int16_t dig_P3; uint8_t dig_H3; ///< humidity compensation value
int16_t dig_P4; int16_t dig_H4; ///< humidity compensation value
int16_t dig_P5; int16_t dig_H5; ///< humidity compensation value
int16_t dig_P6; int8_t dig_H6; ///< humidity compensation value
int16_t dig_P7; } bme280_calib_data;
int16_t dig_P8;
int16_t dig_P9;
uint8_t dig_H1;
int16_t dig_H2;
uint8_t dig_H3;
int16_t dig_H4;
int16_t dig_H5;
int8_t dig_H6;
} bme280_calib_data;
/*=========================================================================*/ /*=========================================================================*/
/* /*
@ -124,177 +126,214 @@ class Adafruit_BME280_Unified : public Adafruit_Sensor
*/ */
/**************************************************************************/
/*!
@brief Class that stores state and functions for interacting with BME280 IC
*/
/**************************************************************************/
class Adafruit_BME280 { class Adafruit_BME280 {
public: public:
enum sensor_sampling { /**************************************************************************/
SAMPLING_NONE = 0b000, /*!
SAMPLING_X1 = 0b001, @brief sampling rates
SAMPLING_X2 = 0b010, */
SAMPLING_X4 = 0b011, /**************************************************************************/
SAMPLING_X8 = 0b100, enum sensor_sampling {
SAMPLING_X16 = 0b101 SAMPLING_NONE = 0b000,
}; SAMPLING_X1 = 0b001,
SAMPLING_X2 = 0b010,
SAMPLING_X4 = 0b011,
SAMPLING_X8 = 0b100,
SAMPLING_X16 = 0b101
};
enum sensor_mode { /**************************************************************************/
MODE_SLEEP = 0b00, /*!
MODE_FORCED = 0b01, @brief power modes
MODE_NORMAL = 0b11 */
}; /**************************************************************************/
enum sensor_mode {
MODE_SLEEP = 0b00,
MODE_FORCED = 0b01,
MODE_NORMAL = 0b11
};
enum sensor_filter { /**************************************************************************/
FILTER_OFF = 0b000, /*!
FILTER_X2 = 0b001, @brief filter values
FILTER_X4 = 0b010, */
FILTER_X8 = 0b011, /**************************************************************************/
FILTER_X16 = 0b100 enum sensor_filter {
}; FILTER_OFF = 0b000,
FILTER_X2 = 0b001,
FILTER_X4 = 0b010,
FILTER_X8 = 0b011,
FILTER_X16 = 0b100
};
// standby durations in ms /**************************************************************************/
enum standby_duration { /*!
STANDBY_MS_0_5 = 0b000, @brief standby duration in ms
STANDBY_MS_10 = 0b110, */
STANDBY_MS_20 = 0b111, /**************************************************************************/
STANDBY_MS_62_5 = 0b001, enum standby_duration {
STANDBY_MS_125 = 0b010, STANDBY_MS_0_5 = 0b000,
STANDBY_MS_250 = 0b011, STANDBY_MS_10 = 0b110,
STANDBY_MS_500 = 0b100, STANDBY_MS_20 = 0b111,
STANDBY_MS_1000 = 0b101 STANDBY_MS_62_5 = 0b001,
}; STANDBY_MS_125 = 0b010,
STANDBY_MS_250 = 0b011,
// constructors STANDBY_MS_500 = 0b100,
Adafruit_BME280(void); STANDBY_MS_1000 = 0b101
Adafruit_BME280(int8_t cspin); };
Adafruit_BME280(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin);
bool begin(void);
bool begin(TwoWire *theWire);
bool begin(uint8_t addr);
bool begin(uint8_t addr, TwoWire *theWire);
bool init();
void setSampling(sensor_mode mode = MODE_NORMAL, // constructors
sensor_sampling tempSampling = SAMPLING_X16, Adafruit_BME280();
sensor_sampling pressSampling = SAMPLING_X16, Adafruit_BME280(int8_t cspin, SPIClass *theSPI = &SPI);
sensor_sampling humSampling = SAMPLING_X16, Adafruit_BME280(int8_t cspin, int8_t mosipin, int8_t misopin,
sensor_filter filter = FILTER_OFF, int8_t sckpin);
standby_duration duration = STANDBY_MS_0_5
);
void takeForcedMeasurement();
float readTemperature(void);
float readPressure(void);
float readHumidity(void);
float readAltitude(float seaLevel);
float seaLevelForAltitude(float altitude, float pressure);
bool begin();
private: bool begin(TwoWire *theWire);
TwoWire *_wire; bool begin(uint8_t addr);
void readCoefficients(void); bool begin(uint8_t addr, TwoWire *theWire);
bool isReadingCalibration(void); bool init();
uint8_t spixfer(uint8_t x);
void write8(byte reg, byte value); void setSampling(sensor_mode mode = MODE_NORMAL,
uint8_t read8(byte reg); sensor_sampling tempSampling = SAMPLING_X16,
uint16_t read16(byte reg); sensor_sampling pressSampling = SAMPLING_X16,
uint32_t read24(byte reg); sensor_sampling humSampling = SAMPLING_X16,
int16_t readS16(byte reg); sensor_filter filter = FILTER_OFF,
uint16_t read16_LE(byte reg); // little endian standby_duration duration = STANDBY_MS_0_5);
int16_t readS16_LE(byte reg); // little endian
uint8_t _i2caddr; void takeForcedMeasurement();
int32_t _sensorID; float readTemperature(void);
int32_t t_fine; float readPressure(void);
float readHumidity(void);
int8_t _cs, _mosi, _miso, _sck; float readAltitude(float seaLevel);
float seaLevelForAltitude(float altitude, float pressure);
uint32_t sensorID(void);
bme280_calib_data _bme280_calib; protected:
TwoWire *_wire; //!< pointer to a TwoWire object
SPIClass *_spi; //!< pointer to SPI object
void readCoefficients(void);
bool isReadingCalibration(void);
uint8_t spixfer(uint8_t x);
// The config register void write8(byte reg, byte value);
struct config { uint8_t read8(byte reg);
// inactive duration (standby time) in normal mode uint16_t read16(byte reg);
// 000 = 0.5 ms uint32_t read24(byte reg);
// 001 = 62.5 ms int16_t readS16(byte reg);
// 010 = 125 ms uint16_t read16_LE(byte reg); // little endian
// 011 = 250 ms int16_t readS16_LE(byte reg); // little endian
// 100 = 500 ms
// 101 = 1000 ms
// 110 = 10 ms
// 111 = 20 ms
unsigned int t_sb : 3;
// filter settings uint8_t _i2caddr; //!< I2C addr for the TwoWire interface
// 000 = filter off int32_t _sensorID; //!< ID of the BME Sensor
// 001 = 2x filter int32_t t_fine; //!< temperature with high resolution, stored as an attribute
// 010 = 4x filter //!< as this is used for temperature compensation reading
// 011 = 8x filter //!< humidity and pressure
// 100 and above = 16x filter
unsigned int filter : 3;
// unused - don't set int8_t _cs; //!< for the SPI interface
unsigned int none : 1; int8_t _mosi; //!< for the SPI interface
unsigned int spi3w_en : 1; int8_t _miso; //!< for the SPI interface
int8_t _sck; //!< for the SPI interface
unsigned int get() { bme280_calib_data _bme280_calib; //!< here calibration data is stored
return (t_sb << 5) | (filter << 3) | spi3w_en;
}
};
config _configReg;
/**************************************************************************/
// The ctrl_meas register /*!
struct ctrl_meas { @brief config register
// temperature oversampling */
// 000 = skipped /**************************************************************************/
// 001 = x1 struct config {
// 010 = x2 // inactive duration (standby time) in normal mode
// 011 = x4 // 000 = 0.5 ms
// 100 = x8 // 001 = 62.5 ms
// 101 and above = x16 // 010 = 125 ms
unsigned int osrs_t : 3; // 011 = 250 ms
// 100 = 500 ms
// 101 = 1000 ms
// 110 = 10 ms
// 111 = 20 ms
unsigned int t_sb : 3; ///< inactive duration (standby time) in normal mode
// pressure oversampling // filter settings
// 000 = skipped // 000 = filter off
// 001 = x1 // 001 = 2x filter
// 010 = x2 // 010 = 4x filter
// 011 = x4 // 011 = 8x filter
// 100 = x8 // 100 and above = 16x filter
// 101 and above = x16 unsigned int filter : 3; ///< filter settings
unsigned int osrs_p : 3;
// device mode // unused - don't set
// 00 = sleep unsigned int none : 1; ///< unused - don't set
// 01 or 10 = forced unsigned int spi3w_en : 1; ///< unused - don't set
// 11 = normal
unsigned int mode : 2;
unsigned int get() { /// @return combined config register
return (osrs_t << 5) | (osrs_p << 3) | mode; unsigned int get() { return (t_sb << 5) | (filter << 2) | spi3w_en; }
} };
}; config _configReg; //!< config register object
ctrl_meas _measReg;
/**************************************************************************/
// The ctrl_hum register /*!
struct ctrl_hum { @brief ctrl_meas register
// unused - don't set */
unsigned int none : 5; /**************************************************************************/
struct ctrl_meas {
// temperature oversampling
// 000 = skipped
// 001 = x1
// 010 = x2
// 011 = x4
// 100 = x8
// 101 and above = x16
unsigned int osrs_t : 3; ///< temperature oversampling
// pressure oversampling // pressure oversampling
// 000 = skipped // 000 = skipped
// 001 = x1 // 001 = x1
// 010 = x2 // 010 = x2
// 011 = x4 // 011 = x4
// 100 = x8 // 100 = x8
// 101 and above = x16 // 101 and above = x16
unsigned int osrs_h : 3; unsigned int osrs_p : 3; ///< pressure oversampling
unsigned int get() { // device mode
return (osrs_h); // 00 = sleep
} // 01 or 10 = forced
}; // 11 = normal
ctrl_hum _humReg; unsigned int mode : 2; ///< device mode
/// @return combined ctrl register
unsigned int get() { return (osrs_t << 5) | (osrs_p << 2) | mode; }
};
ctrl_meas _measReg; //!< measurement register object
/**************************************************************************/
/*!
@brief ctrl_hum register
*/
/**************************************************************************/
struct ctrl_hum {
/// unused - don't set
unsigned int none : 5;
// pressure oversampling
// 000 = skipped
// 001 = x1
// 010 = x2
// 011 = x4
// 100 = x8
// 101 and above = x16
unsigned int osrs_h : 3; ///< pressure oversampling
/// @return combined ctrl hum register
unsigned int get() { return (osrs_h); }
};
ctrl_hum _humReg; //!< hum register object
}; };
#endif #endif

27
firmware/libraries/Adafruit_BME280_Library/LICENSE Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2015, Limor Fried & Kevin Townsend for Adafruit Industries
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Adafruit Industries nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

36
firmware/libraries/Adafruit_BME280_Library/README.md
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@ -1,3 +1,7 @@
# Adafruit BME280 Library [![Build Status](https://travis-ci.com/adafruit/Adafruit_BME280_Library.svg?branch=master)](https://travis-ci.com/adafruit/Adafruit_BME280_Library)
<a href="http://www.adafruit.com/products/2652"><img src="./assets/board.jpg" width="500"/></a>
This is a library for the Adafruit BME280 Humidity, Barometric Pressure + Temp sensor This is a library for the Adafruit BME280 Humidity, Barometric Pressure + Temp sensor
Designed specifically to work with the Adafruit BME280 Breakout Designed specifically to work with the Adafruit BME280 Breakout
@ -25,35 +29,3 @@ You may need to create the libraries subfolder if its your first library. Restar
We also have a great tutorial on Arduino library installation at: We also have a great tutorial on Arduino library installation at:
http://learn.adafruit.com/adafruit-all-about-arduino-libraries-install-use http://learn.adafruit.com/adafruit-all-about-arduino-libraries-install-use
<!-- START COMPATIBILITY TABLE -->
## Compatibility
MCU | Tested Works | Doesn't Work | Not Tested | Notes
------------------ | :----------: | :----------: | :---------: | -----
Atmega328 @ 16MHz | X | | |
Atmega328 @ 12MHz | X | | |
Atmega32u4 @ 16MHz | X | | | Use SDA/SCL on pins D2 &amp; D3
Atmega32u4 @ 8MHz | X | | | Use SDA/SCL on pins D2 &amp; D3
ESP8266 | X | | | I2C: just works, SPI: SDA/SCL default to pins 4 &amp; 5 but any two pins can be assigned as SDA/SCL using Wire.begin(SDA,SCL)
ESP32 | X | | | I2C: just works, SPI: SDA/SCL default to pins 4 &amp; 5 but any two pins can be assigned as SDA/SCL using Wire.begin(SDA,SCL)
Atmega2560 @ 16MHz | X | | | Use SDA/SCL on pins 20 &amp; 21
ATSAM3X8E | X | | | Use SDA/SCL on pins 20 &amp; 21
ATSAM21D | X | | |
ATtiny85 @ 16MHz | | X | |
ATtiny85 @ 8MHz | | X | |
Intel Curie @ 32MHz | | | X |
STM32F2 | | | X |
* ATmega328 @ 16MHz : Arduino UNO, Adafruit Pro Trinket 5V, Adafruit Metro 328, Adafruit Metro Mini
* ATmega328 @ 12MHz : Adafruit Pro Trinket 3V
* ATmega32u4 @ 16MHz : Arduino Leonardo, Arduino Micro, Arduino Yun, Teensy 2.0
* ATmega32u4 @ 8MHz : Adafruit Flora, Bluefruit Micro
* ESP8266 : Adafruit Huzzah
* ATmega2560 @ 16MHz : Arduino Mega
* ATSAM3X8E : Arduino Due
* ATSAM21D : Arduino Zero, M0 Pro
* ATtiny85 @ 16MHz : Adafruit Trinket 5V
* ATtiny85 @ 8MHz : Adafruit Gemma, Arduino Gemma, Adafruit Trinket 3V
<!-- END COMPATIBILITY TABLE -->

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6
firmware/libraries/Adafruit_BME280_Library/examples/advancedsettings/advancedsettings.ino
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@ -13,6 +13,7 @@
Written by Limor Fried & Kevin Townsend for Adafruit Industries. Written by Limor Fried & Kevin Townsend for Adafruit Industries.
BSD license, all text above must be included in any redistribution BSD license, all text above must be included in any redistribution
See the LICENSE file for details.
***************************************************************************/ ***************************************************************************/
#include <Wire.h> #include <Wire.h>
@ -37,7 +38,7 @@ void setup() {
Serial.begin(9600); Serial.begin(9600);
Serial.println(F("BME280 test")); Serial.println(F("BME280 test"));
if (! bme.begin(&Wire1)) { if (! bme.begin(&Wire)) {
Serial.println("Could not find a valid BME280 sensor, check wiring!"); Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1); while (1);
} }
@ -101,6 +102,7 @@ void setup() {
// = 40ms (25Hz) // = 40ms (25Hz)
// with standby time that should really be 24.16913... Hz // with standby time that should really be 24.16913... Hz
delayTime = 41; delayTime = 41;
*/
/* /*
// gaming // gaming
@ -154,4 +156,4 @@ void printValues() {
Serial.println(" %"); Serial.println(" %");
Serial.println(); Serial.println();
} }

13
firmware/libraries/Adafruit_BME280_Library/examples/bme280test/bme280test.ino
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@ -13,6 +13,7 @@
Written by Limor Fried & Kevin Townsend for Adafruit Industries. Written by Limor Fried & Kevin Townsend for Adafruit Industries.
BSD license, all text above must be included in any redistribution BSD license, all text above must be included in any redistribution
See the LICENSE file for details.
***************************************************************************/ ***************************************************************************/
#include <Wire.h> #include <Wire.h>
@ -35,15 +36,21 @@ unsigned long delayTime;
void setup() { void setup() {
Serial.begin(9600); Serial.begin(9600);
while(!Serial); // time to get serial running
Serial.println(F("BME280 test")); Serial.println(F("BME280 test"));
bool status; unsigned status;
// default settings // default settings
// (you can also pass in a Wire library object like &Wire2) // (you can also pass in a Wire library object like &Wire2)
status = bme.begin(); status = bme.begin();
if (!status) { if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring!"); Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(),16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1); while (1);
} }
@ -79,4 +86,4 @@ void printValues() {
Serial.println(" %"); Serial.println(" %");
Serial.println(); Serial.println();
} }

2
firmware/libraries/Adafruit_BME280_Library/library.properties
View file

@ -1,5 +1,5 @@
name=Adafruit BME280 Library name=Adafruit BME280 Library
version=1.0.7 version=1.0.9
author=Adafruit author=Adafruit
maintainer=Adafruit <info@adafruit.com> maintainer=Adafruit <info@adafruit.com>
sentence=Arduino library for BME280 sensors. sentence=Arduino library for BME280 sensors.

12
firmware/libraries/Adafruit_Unified_Sensor/Adafruit_Sensor.h
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@ -20,7 +20,9 @@
#ifndef _ADAFRUIT_SENSOR_H #ifndef _ADAFRUIT_SENSOR_H
#define _ADAFRUIT_SENSOR_H #define _ADAFRUIT_SENSOR_H
#if ARDUINO >= 100 #ifndef ARDUINO
#include <stdint.h>
#elif ARDUINO >= 100
#include "Arduino.h" #include "Arduino.h"
#include "Print.h" #include "Print.h"
#else #else
@ -72,9 +74,9 @@ typedef struct {
}; };
/* Orientation sensors */ /* Orientation sensors */
struct { struct {
float roll; /**< Rotation around the longitudinal axis (the plane body, 'X axis'). Roll is positive and increasing when moving downward. -90°<=roll<=90° */ float roll; /**< Rotation around the longitudinal axis (the plane body, 'X axis'). Roll is positive and increasing when moving downward. -90°<=roll<=90° */
float pitch; /**< Rotation around the lateral axis (the wing span, 'Y axis'). Pitch is positive and increasing when moving upwards. -180°<=pitch<=180°) */ float pitch; /**< Rotation around the lateral axis (the wing span, 'Y axis'). Pitch is positive and increasing when moving upwards. -180°<=pitch<=180°) */
float heading; /**< Angle between the longitudinal axis (the plane body) and magnetic north, measured clockwise when viewing from the top of the device. 0-359° */ float heading; /**< Angle between the longitudinal axis (the plane body) and magnetic north, measured clockwise when viewing from the top of the device. 0-359° */
}; };
}; };
int8_t status; int8_t status;
@ -143,7 +145,7 @@ class Adafruit_Sensor {
virtual ~Adafruit_Sensor() {} virtual ~Adafruit_Sensor() {}
// These must be defined by the subclass // These must be defined by the subclass
/// NOT USED virtual void enableAutoRange(bool enabled) {}; virtual void enableAutoRange(bool enabled) { (void)enabled; /* suppress unused warning */ };
virtual bool getEvent(sensors_event_t*) = 0; virtual bool getEvent(sensors_event_t*) = 0;
virtual void getSensor(sensor_t*) = 0; virtual void getSensor(sensor_t*) = 0;

13
firmware/libraries/Adafruit_Unified_Sensor/README.md
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@ -35,7 +35,18 @@ The following drivers are based on the Adafruit Unified Sensor Driver:
- [Adafruit\_BMP183\_Unified\_Library](https://github.com/adafruit/Adafruit_BMP183_Unified_Library) - [Adafruit\_BMP183\_Unified\_Library](https://github.com/adafruit/Adafruit_BMP183_Unified_Library)
**Humidity & Temperature** **Humidity & Temperature**
- [Adafruit\_DHT\_Unified](https://github.com/adafruit/Adafruit_DHT_Unified) - [DHT-sensor-library](https://github.com/adafruit/DHT-sensor-library)
**Humidity, Temperature, & Barometric Pressure**
- [Adafruit_BME280_Library](https://github.com/adafruit/Adafruit_BME280_Library/)
**Orientation**
- [Adafruit_BNO055](https://github.com/adafruit/Adafruit_BNO055)
**All in one device**
- [Adafruit_LSM9DS0](https://github.com/adafruit/Adafruit_LSM9DS0_Library) (accelerometer, gyroscope, magnetometer)
- [Adafruit_LSM9DS1](https://github.com/adafruit/Adafruit_LSM9DS1/) (accelerometer, gyroscope, magnetometer)
## How Does it Work? ## ## How Does it Work? ##

3
firmware/libraries/Adafruit_Unified_Sensor/library.properties
View file

@ -1,5 +1,5 @@
name=Adafruit Unified Sensor name=Adafruit Unified Sensor
version=1.0.2 version=1.0.3
author=Adafruit <info@adafruit.com> author=Adafruit <info@adafruit.com>
maintainer=Adafruit <info@adafruit.com> maintainer=Adafruit <info@adafruit.com>
sentence=Required for all Adafruit Unified Sensor based libraries. sentence=Required for all Adafruit Unified Sensor based libraries.
@ -7,3 +7,4 @@ paragraph=A unified sensor abstraction layer used by many Adafruit sensor librar
category=Sensors category=Sensors
url=https://github.com/adafruit/Adafruit_Sensor url=https://github.com/adafruit/Adafruit_Sensor
architectures=* architectures=*
includes=Adafruit_Sensor.h

3
firmware/sensors.ino Executable file → Normal file
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@ -31,7 +31,7 @@ float fetchLight() {
return lux * LIGHT_FACTOR; return lux * LIGHT_FACTOR;
} }
void _anemometerInterrupt() { ICACHE_RAM_ATTR void _anemometerInterrupt() {
anemometerRotations++; anemometerRotations++;
#ifdef DEBUG #ifdef DEBUG
Serial.print("*"); Serial.print("*");
@ -75,4 +75,3 @@ float isBatCharging() {
} }
#endif #endif