Fix #24, readme.md (#25)

- Fix #24, update readme.md
- setAngle() change parameter to float
- minor edits.

BH1750FVI.cpp

@@ -1,7 +1,7 @@
 //
 //    FILE: BH1750FVI.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.1
+// VERSION: 0.3.2
 // PURPOSE: library for BH1750FVI lux sensor Arduino
 //     URL: https://github.com/RobTillaart/BH1750FVI_RT
 
@@ -84,8 +84,8 @@ float BH1750FVI::getLux(void)
   {
     lux *= _angleFactor;
   }
-  //  temperature compensation.
-  if (_temp != 20)
+  //  temperature compensation. 20 C is default.
+  if (_temperature != 20)
   {
     lux *= _tempFactor;
   }
@@ -215,16 +215,16 @@ float BH1750FVI::getCorrectionFactor()
 
 float BH1750FVI::setTemperature(int temp)
 {
-  _temp = temp;
-  //  _tempFactor = 1.0f - (_temp - 20.0f) / 2000.0f;
-  _tempFactor = 1.0f - (_temp - 20.0f) * 0.0005f;
+  _temperature = temp;
+  //  _tempFactor = 1.0f - (_temperature - 20.0f) / 2000.0f;
+  _tempFactor = 1.0f - (_temperature - 20.0f) * 0.0005f;
   return _tempFactor;
 }
 
 
-float BH1750FVI::setAngle(int degrees)
+float BH1750FVI::setAngle(float degrees)
 {
-  _angle = constrain(degrees, -89, 89);
+  _angle = constrain(degrees, -89.9, 89.9);
   //  Lambert's Law.
   _angleFactor = 1.0f / cos(_angle * (PI / 180.0f));
   return _angleFactor;

BH1750FVI.h

@@ -2,7 +2,7 @@
 //
 //    FILE: BH1750FVI.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.1
+// VERSION: 0.3.2
 // PURPOSE: Arduino library for BH1750FVI (GY-30) lux sensor
 //     URL: https://github.com/RobTillaart/BH1750FVI_RT
 
@@ -27,7 +27,7 @@
 #include "Arduino.h"
 
 
-#define BH1750FVI_LIB_VERSION                 (F("0.3.1"))
+#define BH1750FVI_LIB_VERSION                 (F("0.3.2"))
 
 
 #define BH1750FVI_DEFAULT_ADDRESS             0x23
@@ -56,7 +56,7 @@ class BH1750FVI
 
 
   float   getRaw();       //  no HIGH2 mode + no sensitivity factor.
-  float   getLux();
+  float   getLux();       //  corrected for mode, temp, angle and correctionFactor.
   int     getError();
 
 
@@ -98,16 +98,16 @@ class BH1750FVI
   //  read datasheet P3 and check figure 4 and 5.
   //  setAngle is constrained to -89..+89
   //  returns the angle correction factor
-  float   setAngle(int degrees = 0);
-  int     getAngle() { return _angle; };
+  float   setAngle(float degrees = 0);
+  float   getAngle() { return _angle; };
 
 
   //  datasheet P3 figure 7
   //  Effect of temperature is about 3% / 60°C ~~ 1% / 20°C
   //  to be used if temp is really hot or cold.
   //  returns the temperature correction factor
   float   setTemperature(int temp = 20);
-  int     getTemperature() { return _temp; };
+  int     getTemperature() { return _temperature; };
 
 
   //  datasheet Page 3 figure 1  (experimental correction)
@@ -131,9 +131,9 @@ class BH1750FVI
 
   uint32_t  _requestTime      = 0;
   float     _angleFactor      = 1;
-  int       _angle            = 0;
+  float     _angle            = 0;
   float     _tempFactor       = 1;
-  int       _temp             = 20;
+  int       _temperature      = 20;
   float     _waveLengthFactor = 1;
   int       _waveLength       = 580;
 

CHANGELOG.md

@@ -6,14 +6,18 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+##[0.3.2] - 2024-07-23
+- Fix #24, update readme.md
+- setAngle() change parameter to float
+- minor edits.
+
 ##[0.3.1] - 2024-04-09
 - update GitHub actions
 - update URL in examples
 - update keywords.txt
 - fix CHANGELOG.md
 - minor edits
 
-
 ##[0.3.0] - 2023-10-18
 - simplify constructor / begin()
 - update examples