Loom_AS7262 class

AS7262 Visible spectrum spectral sensor module.

Contents

Base classes

class LoomI2CSensor
Abstract root for I2C sensor modules.

Protected variables

AS726X inst_AS7262
Underlying AS7262 sensor manager instance.
uint16_t color_vals
Measured color band values (violet, blue, green, yellow, orange, red).
bool use_bulb
Whether or not to use bulb.
uint8_t gain
Gain setting.
uint8_t mode
Sensor read mode.
uint8_t integration_time
Integration time setting.

CONSTRUCTORS / DESTRUCTOR

Loom_AS7262(LoomManager* manager, const byte i2c_address = 0x49, const uint8_t mux_port = 255, const bool use_bulb = false, const uint8_t gain = 1, const uint8_t mode = 3, const uint8_t integration_time = 50)
Constructor.
Loom_AS7262(LoomManager* manager, JsonArrayConst p)
Constructor that takes Json Array, extracts args and delegates to regular constructor.
~Loom_AS7262() defaulted
Destructor.

OPERATION

void measure() override
Take any relevant measurements.
void package(JsonObject json) override
Package a modules measurements or state.

SETTERS

void enable_bulb(const bool enable)
Set whether not bulb is used for active light source.
void set_gain(const uint8_t gain)
Set gain.
void set_mode(const uint8_t mode)
Set mode.
void set_integration_time(const uint8_t time)
Set integration time.

Function documentation

Loom_AS7262::Loom_AS7262(LoomManager* manager, const byte i2c_address = 0x49, const uint8_t mux_port = 255, const bool use_bulb = false, const uint8_t gain = 1, const uint8_t mode = 3, const uint8_t integration_time = 50)

Constructor.

Parameters
manager
i2c_address in Set(Int) | <0x49> | {0x49} | I2C address
mux_port in Int | <255> | [0-16] | Port on multiplexer
use_bulb in Bool | <false> | {true, false} | Whether or not to use bulb
gain in Set(Int) | <1> | { 0("1x"), 1("3.7x"), 2("16x"), 3("64x") } | Gain level
mode in Set(Int) | <3> | { 0("Continuous reading of VBGY"), 1("Continuous reading of GYOR"), 2("Continuous reading all channels"), 3("One-shot reading of all channels") } | Read mode
integration_time in Int | <50> | [0-255] | Integration time (time will be 2.8ms * [integration value])

Loom_AS7262::Loom_AS7262(LoomManager* manager, JsonArrayConst p)

Constructor that takes Json Array, extracts args and delegates to regular constructor.

Parameters
manager
p in The array of constuctor args to expand

void Loom_AS7262::package(JsonObject json) override

Package a modules measurements or state.

Parameters
json out Object to put data into

void Loom_AS7262::print_measurements() const override

Print the last set of measurements taken.

Does not package the data.

void Loom_AS7262::enable_bulb(const bool enable)

Set whether not bulb is used for active light source.

Parameters
enable in Whether or not to enable

void Loom_AS7262::set_gain(const uint8_t gain)

Set gain.

Parameters
gain in Gain level: 0: 1x (power-on default), 1: 3.7x, 2: 16x, 3: 64x

void Loom_AS7262::set_mode(const uint8_t mode)

Set mode.

Parameters
mode in Mode. 0: Continuous reading of VBGY 1: Continuous reading of GYOR 2: Continuous reading of all channels (power-on default) 3: One-shot reading of all channels

void Loom_AS7262::set_integration_time(const uint8_t time)

Set integration time.

Parameters
time in Integration time

Time will be 2.8ms * [integration value] (0-255), 50 is default

Variable documentation

uint16_t Loom_AS7262::color_vals protected

Measured color band values (violet, blue, green, yellow, orange, red).

Units: counts / (μW/cm^2).