add readTemperatureForHumidity()

RobTillaart · Nov 26, 2023 · fa553a3 · fa553a3
1 parent 18cc6ce
commit fa553a3
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Showing 7 changed files with 38 additions and 5 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.4.2] - 2023-11-25
+- add **readTemperatureForHumidity()** to async interface
+- update readme.md
+
 ## [0.4.1] - 2023-11-25
 - fix **reset()**: clear state of resolution, heater and error
 - update readme.md

diff --git a/README.md b/README.md
@@ -247,6 +247,9 @@ Timing in milliseconds.
 #### 0.4.1
 - fix reset(): clear state of resolution, heater and error
 
+#### 0.4.2
+- add readTemperatureForHumidity()
+
 #### Should
 
 - test test test

diff --git a/SHT2x.cpp b/SHT2x.cpp
@@ -1,7 +1,7 @@
 //
 //    FILE: SHT2x.cpp
 //  AUTHOR: Rob Tillaart, Viktor Balint, JensB
-// VERSION: 0.4.1
+// VERSION: 0.4.2
 //    DATE: 2023-11-25
 // PURPOSE: Arduino library for the SHT2x temperature and humidity sensor
 //     URL: https://github.com/RobTillaart/SHT2x
@@ -12,6 +12,7 @@
 
 //  SUPPORTED COMMANDS
 #define SHT2x_GET_TEMPERATURE_NO_HOLD      0xF3
+#define SHT2x_GET_TEMPERATURE_FOR_HUMIDITY 0xE0
 #define SHT2x_GET_HUMIDITY_NO_HOLD         0xF5
 #define SHT2x_SOFT_RESET                   0xFE
 #define SHT2x_WRITE_USER_REGISTER          0xE6
@@ -229,6 +230,29 @@ bool SHT2x::readHumidity()
 }
 
 
+bool SHT2x::readTemperatureForHumidity()
+{
+  if (_error == SHT2x_OK)
+  {
+    writeCmd(SHT2x_GET_TEMPERATURE_FOR_HUMIDITY);
+    uint8_t buffer[2];
+    if (readBytes(2, (uint8_t*) &buffer[0], 10) == false)
+    {
+      _error = SHT2x_ERR_READBYTES;
+      return false;
+    }
+    _rawTemperature  = buffer[0] << 8;
+    _rawTemperature += buffer[1];
+    _rawTemperature &= 0xFFFC;
+    return true;
+  }
+  else
+  {
+    return false;
+  }
+}
+
+
 uint32_t SHT2x::lastRequest()
 {
   return _lastRequest;

diff --git a/SHT2x.h b/SHT2x.h
@@ -2,7 +2,7 @@
 //
 //    FILE: SHT2x.h
 //  AUTHOR: Rob Tillaart, Viktor Balint, JensB
-// VERSION: 0.4.1
+// VERSION: 0.4.2
 //    DATE: 2023-11-25
 // PURPOSE: Arduino library for the SHT2x temperature and humidity sensor
 //     URL: https://github.com/RobTillaart/SHT2x
@@ -13,7 +13,7 @@
 #include "Wire.h"
 
 
-#define SHT2x_LIB_VERSION             (F("0.4.1"))
+#define SHT2x_LIB_VERSION             (F("0.4.2"))
 
 
 //  fields getStatus
@@ -152,6 +152,7 @@ class SHT2x
   bool     requestReady();
   bool     readTemperature();
   bool     readHumidity();
+  bool     readTemperatureForHumidity();
   uint32_t lastRequest();
   uint8_t  getRequestType();
 

diff --git a/keywords.txt b/keywords.txt
@@ -49,6 +49,7 @@ reqHumReady	KEYWORD2
 requestReady	KEYWORD2
 readTemperature	KEYWORD2
 readHumidity	KEYWORD2
+readTemperatureForHumidity	KEYWORD2
 lastRequest	KEYWORD2
 getRequestType	KEYWORD2
 

diff --git a/library.json b/library.json
@@ -21,7 +21,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/SHT2x.git"
   },
-  "version": "0.4.1",
+  "version": "0.4.2",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",

diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=SHT2x
-version=0.4.1
+version=0.4.2
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library for the I2C SHT20 SHT21 SHT25 series temperature and humidity sensor.