0.1.34 DHTlib

libraries/DHTlib/.arduino-ci.yml

@@ -2,4 +2,10 @@ compile:
   # Choosing to run compilation tests on 2 different Arduino platforms
   platforms:
     - uno
+    # - due
+    # - zero
     - leonardo
+    # - m4
+    # - esp32
+    # - esp8266
+    - mega2560

libraries/DHTlib/.github/workflows/arduino_test_runner.yml

@@ -4,10 +4,14 @@ name: Arduino CI
 on: [push, pull_request]
 
 jobs:
-  arduino_ci:
+  runTest:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
-      - uses: Arduino-CI/action@master
+      - uses: ruby/setup-ruby@v1
-          #   Arduino-CI/action@v0.1.1
+        with:
+          ruby-version: 2.6
+      - run: |
+          gem install arduino_ci
+          arduino_ci.rb

libraries/DHTlib/dht.cpp

@@ -1,12 +1,13 @@
 //
 //    FILE: dht.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.33
+// VERSION: 0.1.34
 // PURPOSE: DHT Temperature & Humidity Sensor library for Arduino, AVR optimized
 //     URL: https://github.com/RobTillaart/DHTlib
 //          http://arduino.cc/playground/Main/DHTLib
 //
 // HISTORY:
+// 0.1.34   2021-11-13  fix negative temperature DHT22 again (code from DHTNew)
 // 0.1.33   2021-02-16  fix #6 T-GO signal in handshake. (needed for long wires)
 // 0.1.32   2021-02-01  fix negative temperature DHT22 again (code from DHTNew)
 // 0.1.31   2020-12-15  fix negative temperature DHT22 (code from DHTNew)
@@ -116,8 +117,19 @@ int8_t dht::read(uint8_t pin)
 
     // CONVERT AND STORE
     humidity  = (bits[0] * 256 + bits[1]) * 0.1;
-    int16_t t   = (bits[2] * 256 + bits[3]);
+    int16_t t = ((bits[2] & 0x7F) * 256 + bits[3]);
+    if (t == 0)
+    {
+      temperature = 0.0;     // prevent -0.0;
+    }
+    else
+    {
       temperature = t * 0.1;
+      if((bits[2] & 0x80) == 0x80 )
+      {
+        temperature = -temperature;
+      }
+    }
 
     // HEXDUMP DEBUG
     /*

libraries/DHTlib/dht.h

@@ -1,7 +1,7 @@
 //
 //    FILE: dht.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.33
+// VERSION: 0.1.34
 // PURPOSE: DHT Temperature & Humidity Sensor library for Arduino. AVR optimized
 //     URL: https://github.com/RobTillaart/DHTlib
 //          http://arduino.cc/playground/Main/DHTLib
@@ -21,7 +21,7 @@
 #endif
 
 
-#define DHT_LIB_VERSION                 (F("0.1.33"))
+#define DHT_LIB_VERSION                 (F("0.1.34"))
 
 #define DHTLIB_OK                       0
 #define DHTLIB_ERROR_CHECKSUM           -1

libraries/DHTlib/library.json

@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/DHTlib.git"
   },
-  "version": "0.1.33",
+  "version": "0.1.34",
   "license": "MIT",
   "frameworks": "arduino",
   "platforms": "*"

libraries/DHTlib/library.properties

@@ -1,5 +1,5 @@
 name=DHTlib
-version=0.1.33
+version=0.1.34
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=AVR Optimized Library for DHT Temperature & Humidity Sensor on AVR only. 

libraries/DHTlib/readme.md

@@ -1,12 +1,16 @@
 
 [![Arduino CI](https://github.com/RobTillaart/DHTlib/workflows/Arduino%20CI/badge.svg)](https://github.com/marketplace/actions/arduino_ci)
+[![Arduino-lint](https://github.com/RobTillaart/DHTlib/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/RobTillaart/DHTlib/actions/workflows/arduino-lint.yml)
+[![JSON check](https://github.com/RobTillaart/DHTlib/actions/workflows/jsoncheck.yml/badge.svg)](https://github.com/RobTillaart/DHTlib/actions/workflows/jsoncheck.yml)
 [![License: MIT](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/RobTillaart/DHTlib/blob/master/LICENSE)
 [![GitHub release](https://img.shields.io/github/release/RobTillaart/DHTlib.svg?maxAge=3600)](https://github.com/RobTillaart/DHTlib/releases)
 
+
 # DHTlib
 
 Arduino library for DHT temperature and humidity sensor. AVR optimized
 
+
 ## Description
 
 The DHT11, 21, 22, 33 and 44 are relative inexpensive sensors for measuring temperature and humidity.
@@ -31,15 +35,17 @@ More information - http://playground.arduino.cc/Main/DHTLib -
 
 For latest version for the DHT, check https://github.com/RobTillaart/DHTNEW
 
+
 ## DHT PIN layout from left to right
 
-| FRONT | | DESCRIPTION  |
+| Front |      | Description   |
-|:----|:----:|:----|
+|:------|:----:|:--------------|
 | pin 1 |      | VCC           |
 | pin 2 |      | DATA          |
 | pin 3 |      | Not Connected |
 | pin 4 |      | GND           |
-						  |
+
+
 
 ## Operational