diff --git a/README.md b/README.md
index 0a7917d..fa0798f 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,8 @@
-ClosedCube Arduino Library for
-ClosedCube OPT3001 Digital Ambient Light Sensor (ALS) with High Precision Human Eye Response Breakout
+Arduino and ESP32 Library for
+OPT300x Digital Ambient Light Sensor Family (ALS) with High Precision Human Eye Response
=====================================================================================================
-This is breakout board for [Texas Instruments OPT3001](http://www.ti.com/product/OPT3001) Digital Ambient Light Sensor (ALS) Sensor
-
-[](https://www.tindie.com/stores/closedcube/)
-[](https://www.tindie.com/stores/closedcube/)
-
-### Where to Buy?
-
-
+This Library was tested sucessfully with:
+OPT3001 and OPT3004 on Arduino Uno and ESP32C6
diff --git a/examples/opt3001demo/opt3001demo.ino b/examples/opt3001demo/opt3001demo.ino
deleted file mode 100644
index 8bdca76..0000000
--- a/examples/opt3001demo/opt3001demo.ino
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
-
-This is example for ClosedCube OPT3001 Digital Ambient Light Sensor breakout board
-
-Initial Date: 02-Dec-2015
-
-Hardware connections for Arduino Uno:
-VDD to 3.3V DC
-SDA to A4
-SCL to A5
-GND to common ground
-
-Written by AA for ClosedCube
-
-MIT License
-
-*/
-
-#include
-#include
-
-ClosedCube_OPT3001 opt3001;
-
-#define OPT3001_ADDRESS 0x45
-
-void setup()
-{
- Serial.begin(9600);
- Serial.println("ClosedCube OPT3001 Arduino Test");
-
- opt3001.begin(OPT3001_ADDRESS);
- Serial.print("OPT3001 Manufacturer ID");
- Serial.println(opt3001.readManufacturerID());
- Serial.print("OPT3001 Device ID");
- Serial.println(opt3001.readDeviceID());
-
- configureSensor();
- printResult("High-Limit", opt3001.readHighLimit());
- printResult("Low-Limit", opt3001.readLowLimit());
- Serial.println("----");
-}
-
-void loop()
-{
- OPT3001 result = opt3001.readResult();
- printResult("OPT3001", result);
- delay(500);
-}
-
-void configureSensor() {
- OPT3001_Config newConfig;
-
- newConfig.RangeNumber = B1100;
- newConfig.ConvertionTime = B0;
- newConfig.Latch = B1;
- newConfig.ModeOfConversionOperation = B11;
-
- OPT3001_ErrorCode errorConfig = opt3001.writeConfig(newConfig);
- if (errorConfig != NO_ERROR)
- printError("OPT3001 configuration", errorConfig);
- else {
- OPT3001_Config sensorConfig = opt3001.readConfig();
- Serial.println("OPT3001 Current Config:");
- Serial.println("------------------------------");
-
- Serial.print("Conversion ready (R):");
- Serial.println(sensorConfig.ConversionReady,HEX);
-
- Serial.print("Conversion time (R/W):");
- Serial.println(sensorConfig.ConvertionTime, HEX);
-
- Serial.print("Fault count field (R/W):");
- Serial.println(sensorConfig.FaultCount, HEX);
-
- Serial.print("Flag high field (R-only):");
- Serial.println(sensorConfig.FlagHigh, HEX);
-
- Serial.print("Flag low field (R-only):");
- Serial.println(sensorConfig.FlagLow, HEX);
-
- Serial.print("Latch field (R/W):");
- Serial.println(sensorConfig.Latch, HEX);
-
- Serial.print("Mask exponent field (R/W):");
- Serial.println(sensorConfig.MaskExponent, HEX);
-
- Serial.print("Mode of conversion operation (R/W):");
- Serial.println(sensorConfig.ModeOfConversionOperation, HEX);
-
- Serial.print("Polarity field (R/W):");
- Serial.println(sensorConfig.Polarity, HEX);
-
- Serial.print("Overflow flag (R-only):");
- Serial.println(sensorConfig.OverflowFlag, HEX);
-
- Serial.print("Range number (R/W):");
- Serial.println(sensorConfig.RangeNumber, HEX);
-
- Serial.println("------------------------------");
- }
-
-}
-
-void printResult(String text, OPT3001 result) {
- if (result.error == NO_ERROR) {
- Serial.print(text);
- Serial.print(": ");
- Serial.print(result.lux);
- Serial.println(" lux");
- }
- else {
- printError(text,result.error);
- }
-}
-
-void printError(String text, OPT3001_ErrorCode error) {
- Serial.print(text);
- Serial.print(": [ERROR] Code #");
- Serial.println(error);
-}
\ No newline at end of file
diff --git a/examples/opt300xdemo/opt300xdemo.ino b/examples/opt300xdemo/opt300xdemo.ino
new file mode 100644
index 0000000..169ee34
--- /dev/null
+++ b/examples/opt300xdemo/opt300xdemo.ino
@@ -0,0 +1,131 @@
+/*
+
+This is example for OPT300x Digital Ambient Light Sensor Family
+Tested on OPT 3001 and 3004
+
+Initial Date: 02-Dec-2015
+Last Eddit: 05.07.2025 bs MS added ESP32 suport generalised frome OPT3001 to
+OPT300x Family
+
+Hardware connections for Arduino Uno:
+VDD to 3.3V DC
+SDA to A4
+SCL to A5
+GND to common ground
+
+Written by AA for ClosedCube
+
+MIT License
+
+*/
+
+#include "OPT300x.h"
+#include
+
+OPT300x opt300x;
+
+#define OPT300x_ADDRESS 0x44
+
+// to suport ESP32 pin assignment, I2C pins need to be defined
+#ifdef ESP32
+#define I2C_SDA 6
+#define I2C_SCL 7
+#endif
+
+void setup() {
+ Serial.begin(115200);
+ delay(2000);
+ Serial.println("OPT300x Test");
+ delay(2000);
+#ifdef ESP32
+ Wire.begin(I2C_SDA, I2C_SCL);
+#else
+ Wire.begin();
+#endif
+ opt300x.begin(OPT300x_ADDRESS);
+ Serial.print("OPT300x Manufacturer ID");
+ Serial.println(opt300x.readManufacturerID());
+ Serial.print("OPT300x Device ID");
+ Serial.println(opt300x.readDeviceID());
+
+ configureSensor();
+ printResult("High-Limit", opt300x.readHighLimit());
+ printResult("Low-Limit", opt300x.readLowLimit());
+ Serial.println("----");
+}
+
+void loop() {
+ OPT300x_S result = opt300x.readResult();
+ printResult("OPT300x", result);
+ delay(500);
+}
+
+void configureSensor() {
+ OPT300x_Config newConfig;
+
+ newConfig.RangeNumber = B1100;
+ newConfig.ConvertionTime = B0;
+ newConfig.Latch = B1;
+ newConfig.ModeOfConversionOperation = B11;
+
+ OPT300x_ErrorCode errorConfig = opt300x.writeConfig(newConfig);
+ if (errorConfig != NO_ERROR)
+ printError("OPT300x configuration", errorConfig);
+ else {
+ OPT300x_Config sensorConfig = opt300x.readConfig();
+ Serial.println("OPT300x Current Config:");
+ Serial.println("------------------------------");
+
+ Serial.print("Conversion ready (R):");
+ Serial.println(sensorConfig.ConversionReady, HEX);
+
+ Serial.print("Conversion time (R/W):");
+ Serial.println(sensorConfig.ConvertionTime, HEX);
+
+ Serial.print("Fault count field (R/W):");
+ Serial.println(sensorConfig.FaultCount, HEX);
+
+ Serial.print("Flag high field (R-only):");
+ Serial.println(sensorConfig.FlagHigh, HEX);
+
+ Serial.print("Flag low field (R-only):");
+ Serial.println(sensorConfig.FlagLow, HEX);
+
+ Serial.print("Latch field (R/W):");
+ Serial.println(sensorConfig.Latch, HEX);
+
+ Serial.print("Mask exponent field (R/W):");
+ Serial.println(sensorConfig.MaskExponent, HEX);
+
+ Serial.print("Mode of conversion operation (R/W):");
+ Serial.println(sensorConfig.ModeOfConversionOperation, HEX);
+
+ Serial.print("Polarity field (R/W):");
+ Serial.println(sensorConfig.Polarity, HEX);
+
+ Serial.print("Overflow flag (R-only):");
+ Serial.println(sensorConfig.OverflowFlag, HEX);
+
+ Serial.print("Range number (R/W):");
+ Serial.println(sensorConfig.RangeNumber, HEX);
+
+ Serial.println("------------------------------");
+ }
+}
+
+void printResult(String text, OPT300x_S result) {
+ if (result.error == NO_ERROR) {
+ Serial.print(text);
+ Serial.print(": ");
+ Serial.print(result.lux);
+ Serial.println(" lux");
+ } else {
+ printError(text, result.error);
+ }
+}
+
+void printError(String text, OPT300x_ErrorCode error) {
+ Serial.print(text);
+ Serial.print(": [ERROR] Code #");
+ Serial.println(error);
+}
diff --git a/keywords.txt b/keywords.txt
index 82702f7..17131e7 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -1,12 +1,12 @@
##################################################################
-# Syntax Coloring Map For ClosedCube OPT3001 Digital Ambient Light Sensor Library
+# Syntax Coloring Map For OPT300x Digital Ambient Light Sensor Library
##################################################################
##################################################################
# Datatypes (KEYWORD1)
##################################################################
-ClosedCube_OPT3001 KEYWORD1
+OPT300x KEYWORD1
##################################################################
# Methods and Functions (KEYWORD2)
diff --git a/library.properties b/library.properties
index 598d607..20695c9 100644
--- a/library.properties
+++ b/library.properties
@@ -1,9 +1,9 @@
-name=ClosedCube OPT3001
-version=1.1.2
-author=ClosedCube
-maintainer=ClosedCube
-sentence=Arduino library for Texas Instruments OPT3001 Digital Ambient Light Sensor (ALS)
-paragraph=Arduino library for Texas Instruments OPT3001 Digital Ambient Light Sensor (ALS)
+name=OPT300x
+version=1.2.0
+author=ClosedCube and Miro Sieber
+maintainer=Miro Sieber
+sentence=Arduino and ESP32 library for Texas Instruments OPT300x Digital Ambient Light Sensor Family
+paragraph=This library provides an easy-to-use interface for the Texas Instruments OPT300x family of digital ambient light sensors, supporting initialization, configuration, and light intensity measurement over I2C. Compatible with Arduino and ESP32 platforms.
category=Sensors
-url=https://github.com/closedcube/ClosedCube_OPT3001_Arduino
-architectures=*
\ No newline at end of file
+url=[https://github.com/mirosieber/OPT300x](https://github.com/mirosieber/OPT300x)
+architectures=\*
diff --git a/src/ClosedCube_OPT3001.cpp b/src/ClosedCube_OPT3001.cpp
deleted file mode 100644
index a6b6a12..0000000
--- a/src/ClosedCube_OPT3001.cpp
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
-
-Arduino library for Texas Instruments OPT3001 Digital Ambient Light Sensor
-Written by AA for ClosedCube
----
-
-The MIT License (MIT)
-
-Copyright (c) 2015 ClosedCube Limited
-
-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.
-
-*/
-#include
-
-#include "ClosedCube_OPT3001.h"
-
-ClosedCube_OPT3001::ClosedCube_OPT3001()
-{
-}
-
-OPT3001_ErrorCode ClosedCube_OPT3001::begin(uint8_t address) {
- OPT3001_ErrorCode error = NO_ERROR;
- _address = address;
- Wire.begin();
-
- return NO_ERROR;
-}
-
-uint16_t ClosedCube_OPT3001::readManufacturerID() {
- uint16_t result = 0;
- OPT3001_ErrorCode error = writeData(MANUFACTURER_ID);
- if (error == NO_ERROR)
- error = readData(&result);
- return result;
-}
-
-uint16_t ClosedCube_OPT3001::readDeviceID() {
- uint16_t result = 0;
- OPT3001_ErrorCode error = writeData(DEVICE_ID);
- if (error == NO_ERROR)
- error = readData(&result);
- return result;
-}
-
-OPT3001_Config ClosedCube_OPT3001::readConfig() {
- OPT3001_Config config;
- OPT3001_ErrorCode error = writeData(CONFIG);
- if (error == NO_ERROR)
- error = readData(&config.rawData);
- return config;
-}
-
-OPT3001_ErrorCode ClosedCube_OPT3001::writeConfig(OPT3001_Config config) {
- Wire.beginTransmission(_address);
- Wire.write(CONFIG);
- Wire.write(config.rawData >> 8);
- Wire.write(config.rawData & 0x00FF);
- return (OPT3001_ErrorCode)(-10 * Wire.endTransmission());
-}
-
-OPT3001 ClosedCube_OPT3001::readResult() {
- return readRegister(RESULT);
-}
-
-OPT3001 ClosedCube_OPT3001::readHighLimit() {
- return readRegister(HIGH_LIMIT);
-}
-
-OPT3001 ClosedCube_OPT3001::readLowLimit() {
- return readRegister(LOW_LIMIT);
-}
-
-OPT3001 ClosedCube_OPT3001::readRegister(OPT3001_Commands command) {
- OPT3001_ErrorCode error = writeData(command);
- if (error == NO_ERROR) {
- OPT3001 result;
- result.lux = 0;
- result.error = NO_ERROR;
-
- OPT3001_ER er;
- error = readData(&er.rawData);
- if (error == NO_ERROR) {
- result.raw = er;
- result.lux = 0.01*pow(2, er.Exponent)*er.Result;
- }
- else {
- result.error = error;
- }
-
- return result;
- }
- else {
- return returnError(error);
- }
-}
-
-OPT3001_ErrorCode ClosedCube_OPT3001::writeData(OPT3001_Commands command)
-{
- Wire.beginTransmission(_address);
- Wire.write(command);
- return (OPT3001_ErrorCode)(-10 * Wire.endTransmission(true));
-}
-
-OPT3001_ErrorCode ClosedCube_OPT3001::readData(uint16_t* data)
-{
- uint8_t buf[2];
-
- Wire.requestFrom(_address, (uint8_t)2);
-
- int counter = 0;
- while (Wire.available() < 2)
- {
- counter++;
- delay(10);
- if (counter > 250)
- return TIMEOUT_ERROR;
- }
-
- Wire.readBytes(buf, 2);
- *data = (buf[0] << 8) | buf[1];
-
- return NO_ERROR;
-}
-
-
-OPT3001 ClosedCube_OPT3001::returnError(OPT3001_ErrorCode error) {
- OPT3001 result;
- result.lux = 0;
- result.error = error;
- return result;
-}
diff --git a/src/ClosedCube_OPT3001.h b/src/ClosedCube_OPT3001.h
deleted file mode 100644
index 764b5bc..0000000
--- a/src/ClosedCube_OPT3001.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
-
-Arduino library for Texas Instruments OPT3001 Digital Ambient Light Sensor
-
----
-
-The MIT License (MIT)
-
-Copyright (c) 2015 ClosedCube Limited
-
-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.
-
-*/
-
-#ifndef CLOSEDCUBE_OPT3001
-#define CLOSEDCUBE_OPT3001
-
-#include
-
-typedef enum {
- RESULT = 0x00,
- CONFIG = 0x01,
- LOW_LIMIT = 0x02,
- HIGH_LIMIT = 0x03,
-
- MANUFACTURER_ID = 0x7E,
- DEVICE_ID = 0x7F,
-} OPT3001_Commands;
-
-
-typedef enum {
- NO_ERROR = 0,
- TIMEOUT_ERROR = -100,
-
- // Wire I2C translated error codes
- WIRE_I2C_DATA_TOO_LOG = -10,
- WIRE_I2C_RECEIVED_NACK_ON_ADDRESS = -20,
- WIRE_I2C_RECEIVED_NACK_ON_DATA = -30,
- WIRE_I2C_UNKNOW_ERROR = -40
-} OPT3001_ErrorCode;
-
-typedef union {
- uint16_t rawData;
- struct {
- uint16_t Result : 12;
- uint8_t Exponent : 4;
- };
-} OPT3001_ER;
-
-
-typedef union {
- struct {
- uint8_t FaultCount : 2;
- uint8_t MaskExponent : 1;
- uint8_t Polarity : 1;
- uint8_t Latch : 1;
- uint8_t FlagLow : 1;
- uint8_t FlagHigh : 1;
- uint8_t ConversionReady : 1;
- uint8_t OverflowFlag : 1;
- uint8_t ModeOfConversionOperation : 2;
- uint8_t ConvertionTime : 1;
- uint8_t RangeNumber : 4;
- };
- uint16_t rawData;
-} OPT3001_Config;
-
-struct OPT3001 {
- float lux;
- OPT3001_ER raw;
- OPT3001_ErrorCode error;
-};
-
-class ClosedCube_OPT3001 {
-public:
- ClosedCube_OPT3001();
-
- OPT3001_ErrorCode begin(uint8_t address);
-
- uint16_t readManufacturerID();
- uint16_t readDeviceID();
-
- OPT3001 readResult();
- OPT3001 readHighLimit();
- OPT3001 readLowLimit();
-
- OPT3001_Config readConfig();
- OPT3001_ErrorCode writeConfig(OPT3001_Config config);
-
-private:
- uint8_t _address;
-
- OPT3001_ErrorCode writeData(OPT3001_Commands command);
- OPT3001_ErrorCode readData(uint16_t* data);
-
- OPT3001 readRegister(OPT3001_Commands command);
- OPT3001 returnError(OPT3001_ErrorCode error);
-
- float calculateLux(OPT3001_ER er);
-};
-
-
-#endif
\ No newline at end of file
diff --git a/src/OPT300x.cpp b/src/OPT300x.cpp
new file mode 100644
index 0000000..a100ab5
--- /dev/null
+++ b/src/OPT300x.cpp
@@ -0,0 +1,134 @@
+/*
+
+Arduino/ESP32 library for Texas Instruments OPT300x Digital Ambient Light Sensor
+Famyily Tested on OPT 3001 and 3004
+
+---
+
+The MIT License (MIT)
+
+Copyright (c) 2015 ClosedCube Limited
+
+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.
+
+*/
+#include
+
+#include "OPT300x.h"
+
+OPT300x::OPT300x() {}
+
+OPT300x_ErrorCode OPT300x::begin(uint8_t address) {
+ OPT300x_ErrorCode error = NO_ERROR;
+ _address = address;
+
+ return NO_ERROR;
+}
+
+uint16_t OPT300x::readManufacturerID() {
+ uint16_t result = 0;
+ OPT300x_ErrorCode error = writeData(MANUFACTURER_ID);
+ if (error == NO_ERROR)
+ error = readData(&result);
+ return result;
+}
+
+uint16_t OPT300x::readDeviceID() {
+ uint16_t result = 0;
+ OPT300x_ErrorCode error = writeData(DEVICE_ID);
+ if (error == NO_ERROR)
+ error = readData(&result);
+ return result;
+}
+
+OPT300x_Config OPT300x::readConfig() {
+ OPT300x_Config config;
+ OPT300x_ErrorCode error = writeData(CONFIG);
+ if (error == NO_ERROR)
+ error = readData(&config.rawData);
+ return config;
+}
+
+OPT300x_ErrorCode OPT300x::writeConfig(OPT300x_Config config) {
+ Wire.beginTransmission(_address);
+ Wire.write(CONFIG);
+ Wire.write(config.rawData >> 8);
+ Wire.write(config.rawData & 0x00FF);
+ return (OPT300x_ErrorCode)(-10 * Wire.endTransmission());
+}
+
+OPT300x_S OPT300x::readResult() { return readRegister(RESULT); }
+
+OPT300x_S OPT300x::readHighLimit() { return readRegister(HIGH_LIMIT); }
+
+OPT300x_S OPT300x::readLowLimit() { return readRegister(LOW_LIMIT); }
+
+OPT300x_S OPT300x::readRegister(OPT300x_Commands command) {
+ OPT300x_ErrorCode error = writeData(command);
+ if (error == NO_ERROR) {
+ OPT300x_S result;
+ result.lux = 0;
+ result.error = NO_ERROR;
+
+ OPT300x_ER er;
+ error = readData(&er.rawData);
+ if (error == NO_ERROR) {
+ result.raw = er;
+ result.lux = 0.01 * pow(2, er.Exponent) * er.Result;
+ } else {
+ result.error = error;
+ }
+
+ return result;
+ } else {
+ return returnError(error);
+ }
+}
+
+OPT300x_ErrorCode OPT300x::writeData(OPT300x_Commands command) {
+ Wire.beginTransmission(_address);
+ Wire.write(command);
+ return (OPT300x_ErrorCode)(-10 * Wire.endTransmission(true));
+}
+
+OPT300x_ErrorCode OPT300x::readData(uint16_t *data) {
+ uint8_t buf[2];
+
+ Wire.requestFrom(_address, (uint8_t)2);
+
+ int counter = 0;
+ while (Wire.available() < 2) {
+ counter++;
+ delay(10);
+ if (counter > 250)
+ return TIMEOUT_ERROR;
+ }
+
+ Wire.readBytes(buf, 2);
+ *data = (buf[0] << 8) | buf[1];
+
+ return NO_ERROR;
+}
+
+OPT300x_S OPT300x::returnError(OPT300x_ErrorCode error) {
+ OPT300x_S result;
+ result.lux = 0;
+ result.error = error;
+ return result;
+}
diff --git a/src/OPT300x.h b/src/OPT300x.h
new file mode 100644
index 0000000..77753ce
--- /dev/null
+++ b/src/OPT300x.h
@@ -0,0 +1,117 @@
+/*
+
+Arduino/ESP32 library for Texas Instruments OPT300x Digital Ambient Light Sensor
+Famyily Tested on OPT 3001 and 3004
+
+---
+
+The MIT License (MIT)
+
+Copyright (c) 2015 ClosedCube Limited
+
+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.
+
+*/
+
+#ifndef _OPT300x_H_
+#define _OPT300x_H_
+
+#include
+
+typedef enum {
+ RESULT = 0x00,
+ CONFIG = 0x01,
+ LOW_LIMIT = 0x02,
+ HIGH_LIMIT = 0x03,
+
+ MANUFACTURER_ID = 0x7E,
+ DEVICE_ID = 0x7F,
+} OPT300x_Commands;
+
+typedef enum {
+ NO_ERROR = 0,
+ TIMEOUT_ERROR = -100,
+
+ // Wire I2C translated error codes
+ WIRE_I2C_DATA_TOO_LOG = -10,
+ WIRE_I2C_RECEIVED_NACK_ON_ADDRESS = -20,
+ WIRE_I2C_RECEIVED_NACK_ON_DATA = -30,
+ WIRE_I2C_UNKNOW_ERROR = -40
+} OPT300x_ErrorCode;
+
+typedef union {
+ uint16_t rawData;
+ struct {
+ uint16_t Result : 12;
+ uint8_t Exponent : 4;
+ };
+} OPT300x_ER;
+
+typedef union {
+ struct {
+ uint8_t FaultCount : 2;
+ uint8_t MaskExponent : 1;
+ uint8_t Polarity : 1;
+ uint8_t Latch : 1;
+ uint8_t FlagLow : 1;
+ uint8_t FlagHigh : 1;
+ uint8_t ConversionReady : 1;
+ uint8_t OverflowFlag : 1;
+ uint8_t ModeOfConversionOperation : 2;
+ uint8_t ConvertionTime : 1;
+ uint8_t RangeNumber : 4;
+ };
+ uint16_t rawData;
+} OPT300x_Config;
+
+struct OPT300x_S {
+ float lux;
+ OPT300x_ER raw;
+ OPT300x_ErrorCode error;
+};
+
+class OPT300x {
+public:
+ OPT300x();
+
+ OPT300x_ErrorCode begin(uint8_t address);
+
+ uint16_t readManufacturerID();
+ uint16_t readDeviceID();
+
+ OPT300x_S readResult();
+ OPT300x_S readHighLimit();
+ OPT300x_S readLowLimit();
+
+ OPT300x_Config readConfig();
+ OPT300x_ErrorCode writeConfig(OPT300x_Config config);
+
+private:
+ uint8_t _address;
+
+ OPT300x_ErrorCode writeData(OPT300x_Commands command);
+ OPT300x_ErrorCode readData(uint16_t *data);
+
+ OPT300x_S readRegister(OPT300x_Commands command);
+ OPT300x_S returnError(OPT300x_ErrorCode error);
+
+ float calculateLux(OPT300x_ER er);
+};
+
+#endif