0.4.20 DHTNEW

Author: RobTillaart

libraries/DHTNEW/.github/FUNDING.yml

@@ -1,4 +1,5 @@
 # These are supported funding model platforms
 
-github: RobTillaart
+GitHub: RobTillaart  
+custom: "https://www.paypal.me/robtillaart"
 

libraries/DHTNEW/.github/workflows/arduino-lint.yml

@@ -1,13 +1,13 @@
-
 name: Arduino-lint
 
 on: [push, pull_request]
 jobs:
   lint:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: arduino/arduino-lint-action@v1
         with:
           library-manager: update
-          compliance: strict
+          compliance: strict

libraries/DHTNEW/.github/workflows/arduino_test_runner.yml

@@ -6,12 +6,14 @@ on: [push, pull_request]
 jobs:
   runTest:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
       - run: |
+          sudo sysctl vm.mmap_rnd_bits=28
           gem install arduino_ci
           arduino_ci.rb

libraries/DHTNEW/.github/workflows/jsoncheck.yml

@@ -9,10 +9,10 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: json-syntax-check
-        uses: limitusus/json-syntax-check@v1
+        uses: limitusus/json-syntax-check@v2
         with:
-          pattern: "\\.json$"
-
+          pattern: "\\.json$"

libraries/DHTNEW/CHANGELOG.md

@@ -6,9 +6,17 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
-## [0.4.19] - 2023-10-25
+## [0.4.20] - 2024-03-24
+- fix #95, units of T & H
+- update GitHub actions
+- refactor **setType()** map invalid types to 0
 - update readme.md
+- update unit test (minor)
+- minor edits
+
 
+## [0.4.19] - 2023-10-25
+- update readme.md
 
 ## [0.4.18] - 2023-01-09
 - update license to 2023

libraries/DHTNEW/LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017-2023 Rob Tillaart
+Copyright (c) 2017-2024 Rob Tillaart
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

libraries/DHTNEW/dhtnew.cpp

@@ -1,7 +1,7 @@
 //
 //    FILE: dhtnew.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.4.19
+// VERSION: 0.4.20
 // PURPOSE: DHT Temperature & Humidity Sensor library for Arduino
 //     URL: https://github.com/RobTillaart/DHTNEW
 //
@@ -47,10 +47,10 @@ void DHTNEW::reset()
 
   _wakeupDelay   = 0;
   _type          = 0;
-  _humOffset     = (float)0.0;
-  _tempOffset    = (float)0.0;
-  _humidity      = (float)0.0;
-  _temperature   = (float)0.0;
+  _humOffset     = 0.0;
+  _tempOffset    = 0.0;
+  _humidity      = 0.0;
+  _temperature   = 0.0;
   _lastRead      = 0;
   _disableIRQ    = true;
   _waitForRead   = false;
@@ -74,18 +74,22 @@ uint8_t DHTNEW::getType()
 
 void DHTNEW::setType(uint8_t type)
 {
-  if ((type == 0) || (type == 11))
+  //  default type == 0  or  unsupported
+  _type = 0;
+  _wakeupDelay = DHTLIB_DHT11_WAKEUP;
+
+  if ((type == 22) || (type == 23))
   {
     _type = type;
-    _wakeupDelay = DHTLIB_DHT11_WAKEUP;
+    _wakeupDelay = DHTLIB_DHT_WAKEUP;
   }
-  if ((type == 22) || (type == 23))
+  else if (type == 11)
   {
     _type = type;
-    _wakeupDelay = DHTLIB_DHT_WAKEUP;
+    _wakeupDelay = DHTLIB_DHT11_WAKEUP;
   }
   //  experimental 0.4.14
-  if (type == 70)
+  else if (type == 70)
   {
     _type = type;
     _wakeupDelay = DHTLIB_SI7021_WAKEUP;
@@ -192,7 +196,7 @@ int DHTNEW::_read()
     int16_t t = ((_bits[2] & 0x7F) * 256 + _bits[3]);
     if (t == 0)
     {
-      _temperature = (float)0.0;     // prevent -0.0;
+      _temperature = 0.0;     //  prevent -0.0;
     }
     else
     {
@@ -205,22 +209,22 @@ int DHTNEW::_read()
   }
 
 
-  // HEXDUMP DEBUG
+  //  HEXDUMP DEBUG
   /*
   Serial.println();
-  // CHECKSUM
+  //  CHECKSUM
   if (_bits[4] < 0x10) Serial.print(0);
   Serial.print(_bits[4], HEX);
   Serial.print("    ");
-  // TEMPERATURE
+  //  TEMPERATURE
   if (_bits[2] < 0x10) Serial.print(0);
   Serial.print(_bits[2], HEX);
   if (_bits[3] < 0x10) Serial.print(0);
   Serial.print(_bits[3], HEX);
   Serial.print("    ");
   Serial.print(_temperature, 1);
   Serial.print("    ");
-  // HUMIDITY
+  //  HUMIDITY
   if (_bits[0] < 0x10) Serial.print(0);
   Serial.print(_bits[0], HEX);
   if (_bits[1] < 0x10) Serial.print(0);
@@ -241,13 +245,13 @@ int DHTNEW::_read()
   }
 #endif
 
-  if (_humOffset != (float)0.0)
+  if (_humOffset != 0.0)
   {
     _humidity += _humOffset;
-    if (_humidity < 0) _humidity = 0;
-    if (_humidity > 100) _humidity = 100;
+    if (_humidity > 100)    _humidity = 100;
+    else if (_humidity < 0) _humidity = 0;
   }
-  if (_tempOffset != (float)0.0)
+  if (_tempOffset != 0.0)
   {
     _temperature += _tempOffset;
   }
@@ -266,7 +270,7 @@ int DHTNEW::_read()
 void DHTNEW::powerUp()
 {
   digitalWrite(_dataPin, HIGH);
-  //  do a dummy read to sync the sensor
+  //  do a dummy read to synchronise the sensor
   read();
 };
 
@@ -298,7 +302,10 @@ int DHTNEW::_readSensor()
   uint8_t idx = 0;
 
   //  EMPTY BUFFER
-  for (uint8_t i = 0; i < 5; i++) _bits[i] = 0;
+  for (uint8_t i = 0; i < 5; i++)
+  {
+    _bits[i] = 0;
+  }
 
   //  REQUEST SAMPLE - SEND WAKEUP TO SENSOR
   pinMode(_dataPin, OUTPUT);
@@ -412,7 +419,7 @@ bool DHTNEW::_waitFor(uint8_t state, uint32_t timeout)
   uint8_t  count = 2;
   while ((micros() - start) < timeout)
   {
-    // d elayMicroseconds(1);         //  less # reads ==> minimizes # glitch reads
+    //  delayMicroseconds(1);         //  less # reads ==> minimizes # glitch reads
     if (digitalRead(_dataPin) == state)
     {
       count--;

libraries/DHTNEW/dhtnew.h

@@ -2,7 +2,7 @@
 //
 //    FILE: dhtnew.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.4.19
+// VERSION: 0.4.20
 // PURPOSE: DHT Temperature & Humidity Sensor library for Arduino
 //     URL: https://github.com/RobTillaart/DHTNEW
 //
@@ -18,7 +18,7 @@
 #include "Arduino.h"
 
 
-#define DHTNEW_LIB_VERSION                (F("0.4.19"))
+#define DHTNEW_LIB_VERSION                (F("0.4.20"))
 
 
 #define DHTLIB_OK                         0
@@ -59,12 +59,13 @@ class DHTNEW
   DHTNEW(uint8_t pin);
 
   //  resets all internals to construction time
-  //  might help to reset a sensor behaving badly..
+  //  might help to reset a sensor behaving badly
   void     reset();
 
   //  0  = unknown
   //  11 = DHT11 and compatibles
   //  22 = DHT22 and compatibles
+  //  23 = mapped to 22 for now (AM23xx)
   //  70 = Sonoff Si7021
   uint8_t  getType();
   void     setType(uint8_t type = 0);
@@ -108,10 +109,10 @@ class DHTNEW
   uint8_t  _dataPin       = 0;
   uint32_t _wakeupDelay   = 0;
   uint8_t  _type          = 0;
-  float    _humOffset     = (float)0.0;
-  float    _tempOffset    = (float)0.0;
-  float    _humidity      = (float)0.0;
-  float    _temperature   = (float)0.0;
+  float    _humOffset     = 0.0;
+  float    _tempOffset    = 0.0;
+  float    _humidity      = 0.0;
+  float    _temperature   = 0.0;
   uint32_t _lastRead      = 0;
   bool     _disableIRQ    = true;
   bool     _waitForRead   = false;

libraries/DHTNEW/examples/dhtnew_adaptive_delay/dhtnew_adaptive_delay.ino

@@ -6,39 +6,39 @@
 //
 
 //
-// DHT PIN layout from left to right
-// =================================
-// FRONT : DESCRIPTION  
-// pin 1 : VCC
-// pin 2 : DATA
-// pin 3 : Not Connected
-// pin 4 : GND
-
-// Note:
-// Adaptive delay makes no sense anymore as the DHTNEW lib catches reads that
-// are done faster than READ_DELAY apart (see dhtnew.cpp file).
-// that said it is the goal to get this adaptability into the library one day.
-// A way to do this is to add a function auto_calibrate() that finds the timing
-// where reading fails and use that value + safety margin (20%?)
+//  DHT PIN layout from left to right
+//  =================================
+//  FRONT : DESCRIPTION  
+//  pin 1 : VCC
+//  pin 2 : DATA
+//  pin 3 : Not Connected
+//  pin 4 : GND
+
+//  Note:
+//  Adaptive delay makes no sense anymore as the DHTNEW lib catches reads that
+//  are done faster than READ_DELAY apart (see dhtnew.cpp file).
+//  that said it is the goal to get this adaptability into the library one day.
+//  A way to do this is to add a function auto_calibrate() that finds the timing
+//  where reading fails and use that value + safety margin (20%?)
 
 
 #include <dhtnew.h>
 
-DHTNEW mySensor(5);   // ESP 16    UNO 5    MKR1010 5
+DHTNEW mySensor(5);   //  ESP 16    UNO 5    MKR1010 5
 
 
 void setup()
 {
-  while(!Serial);        // MKR1010 needs this
+  while(!Serial);     //  MKR1010 needs this
 
   Serial.begin(115200);
   Serial.println("dhtnew_adaptive_delay.ino");
   Serial.print("LIBRARY VERSION: ");
   Serial.println(DHTNEW_LIB_VERSION);
   Serial.println();
 
-  // MKR1010 needs this
-  // mySensor.setDisableIRQ(false);
+  //  MKR1010 needs this
+  //  mySensor.setDisableIRQ(false);
 
   Serial.println("\n1. Type detection test, first run might take longer to determine type");
   Serial.println("STAT\tHUMI\tTEMP\tTIME\tTYPE");
@@ -97,7 +97,7 @@ void loop()
 void test()
 {
   static uint16_t dht_delay = 600;
-  // READ DATA
+  //  READ DATA
   uint32_t start = micros();
   int chk = mySensor.read();
   uint32_t stop = micros();
@@ -144,7 +144,7 @@ void test()
   }
 
   dht_delay = constrain(dht_delay, 100, 5000);
-  // DISPLAY DATA
+  //  DISPLAY DATA
   Serial.print(mySensor.getHumidity(), 1);
   Serial.print(",\t");
   Serial.print(mySensor.getTemperature(), 1);
@@ -159,5 +159,5 @@ void test()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 

libraries/DHTNEW/examples/dhtnew_array/dhtnew_array.ino

@@ -55,7 +55,7 @@ void loop()
 
 void test(int idx)
 {
-  // READ DATA
+  //  READ DATA
   uint32_t start = micros();
   int chk = ar[idx].read();
   uint32_t stop = micros();
@@ -99,7 +99,7 @@ void test(int idx)
       break;
   }
 
-  // DISPLAY DATA
+  //  DISPLAY DATA
   Serial.print(ar[idx].getHumidity(), 1);
   Serial.print(",\t");
   Serial.print(ar[idx].getTemperature(), 1);
@@ -112,5 +112,5 @@ void test(int idx)
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --