0.2.1 DS18B20_RT

libraries/DS18B20_RT/CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.2.1] - 2023-10-19
+- update readme.md
+- add oneWireScanner.ino example
+- add oneWireSearch.ino example
+- minor edits
+
+
 ## [0.2.0] - 2023-03-05
 - fix #24 - remove resolution parameter from constructor.
 - refactor code to keep in sync with DS18B20_INT

libraries/DS18B20_RT/README.md

@@ -2,8 +2,11 @@
 [![Arduino CI](https://github.com/RobTillaart/DS18B20_RT/workflows/Arduino%20CI/badge.svg)](https://github.com/marketplace/actions/arduino_ci)
 [![Arduino-lint](https://github.com/RobTillaart/DS18B20_RT/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/RobTillaart/DS18B20_RT/actions/workflows/arduino-lint.yml)
 [![JSON check](https://github.com/RobTillaart/DS18B20_RT/actions/workflows/jsoncheck.yml/badge.svg)](https://github.com/RobTillaart/DS18B20_RT/actions/workflows/jsoncheck.yml)
+[![GitHub issues](https://img.shields.io/github/issues/RobTillaart/DS18B20_RT.svg)](https://github.com/RobTillaart/DS18B20_RT/issues)
+
 [![License: MIT](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/RobTillaart/DS18B20_RT/blob/master/LICENSE)
 [![GitHub release](https://img.shields.io/github/release/RobTillaart/DS18B20_RT.svg?maxAge=3600)](https://github.com/RobTillaart/DS18B20_RT/releases)
+[![PlatformIO Registry](https://badges.registry.platformio.org/packages/robtillaart/library/DS18B20.svg)](https://registry.platformio.org/libraries/robtillaart/DS18B20)
 
 
 # DS18B20
@@ -28,7 +31,9 @@ added a number of Arduino examples to help you get started.
 
 This library is related to 
 - https://github.com/RobTillaart/DS18B20_INT
+- https://github.com/RobTillaart/DS18B20_RT
 - https://github.com/milesburton/Arduino-Temperature-Control-Library
+- https://github.com/milesburton/Arduino-Temperature-Control-Library/issues/244#event-9253126638
 
 
 ## Interface
@@ -183,6 +188,8 @@ and all people who contributed to that lib.
 
 - add examples
 - investigate performance gain of no CRC.
+- Extend oneWireSearch with devicetypes
+  - see oneWireScanner.ino (2016 version)
 
 #### Could
 
@@ -192,3 +199,11 @@ and all people who contributed to that lib.
   - get it working is too time consuming.
 
 
+## Support
+
+If you appreciate my libraries, you can support the development and maintenance.
+Improve the quality of the libraries by providing issues and Pull Requests, or
+donate through PayPal or GitHub sponsors.
+
+Thank you,
+

libraries/DS18B20_RT/examples/oneWireScanner/oneWireScanner.ino

@@ -0,0 +1,99 @@
+//
+//    FILE: oneWireScanner.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: scan for 1-Wire devices
+//    DATE: 2016-01-10
+//     URL: https://github.com/RobTillaart/DS18B20_RT
+
+
+struct DSdevice
+{
+  byte id;
+  char type[8];
+} DSdevices[] = {
+  { 0x01, "DS2401"},   // Silicon Serial Number
+  { 0x05, "DS2405"},   // switch
+  { 0x10, "DS18S20" }, // Temperature sensor
+  { 0x22, "DS18B20" }, // Temperature sensor
+  { 0x28, "DS1822" },  // Temperature sensor
+  { 0x38, "DS1825" },  // Temperature sensor
+};
+
+int DStypeCount = sizeof(DSdevices)/sizeof(DSdevice);
+
+const int startPin = 2;
+const int endPin = 20;
+
+#include <OneWire.h>
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+
+  for (uint8_t pin = startPin; pin < endPin; pin++)
+  {
+    findDevices(pin);
+  }
+  Serial.println("\nDone...\n");
+}
+
+void loop()
+{
+}
+
+uint8_t findDevices(int pin)
+{
+  OneWire ow(pin);
+
+  uint8_t address[8];
+  uint8_t count = 0;
+
+  while (ow.search(address))
+  {
+    Serial.print("\nscanning pin:\t ");
+    Serial.println(pin, DEC);
+    {
+      count++;
+      // PRINT ADDRESS FOUND
+      for (uint8_t i = 0; i < 8; i++)
+      {
+        Serial.print("0x");
+        if (address[i] < 0x10) Serial.print("0");
+        Serial.print(address[i], HEX);
+        if (i < 7) Serial.print(", ");
+      }
+      Serial.print("\t");
+      // CHECK CRC
+      if (ow.crc8(address, 7) == address[7])
+      {
+        Serial.print("CRC OK  \t");
+      }
+      else
+      {
+        Serial.println("CRC FAIL\t");
+      }
+      // PRINT TYPE
+      bool unknown = true;
+      for (uint8_t i = 0; i < DStypeCount; i++)
+      {
+        if (address[0] == DSdevices[i].id)
+        {
+          Serial.print(DSdevices[i].type);
+          unknown = false;
+          break;
+        }
+      }
+      if (unknown) Serial.print("unknown");
+    }
+    Serial.println();
+  }
+
+  Serial.print("nr devices found: ");
+  Serial.println(count);
+  return count;
+}
+
+
+//  -- END OF FILE --
+

libraries/DS18B20_RT/examples/oneWireSearch/oneWireSearch.ino

@@ -1,14 +1,31 @@
 //
 //    FILE: oneWireSearch.ino
 //  AUTHOR: Rob Tillaart
+// VERSION: 0.1.5
 // PURPOSE: scan for 1-Wire devices + code snippet generator
 //    DATE: 2015-june-30
 //     URL: https://github.com/RobTillaart/DS18B20_RT
 //     URL: http://forum.arduino.cc/index.php?topic=333923
 //
 // inspired by http://www.hacktronics.com/Tutorials/arduino-1-wire-address-finder.html
+//
 
 
+//  HISTORY
+//  0.1.00  initial version
+//  0.1.01  first published version
+//  0.1.02  small output changes
+//  0.1.03  added more explicit range
+//  0.1.04  added CRC check
+//  0.1.5   fix do while loop (thanks pzygielo)
+
+
+//  UNO has pin 2..20
+//  MEGA and others have different range
+
+const int startPin = 2;
+const int endPin = 20;
+
 
 #include <OneWire.h>
 
@@ -18,7 +35,7 @@ void setup()
   Serial.begin(115200);
   Serial.println("//\n// Start oneWireSearch.ino \n//");
 
-  for (uint8_t pin = 2; pin < 13; pin++)
+  for (uint8_t pin = startPin; pin < endPin; pin++)
   {
     findDevices(pin);
   }
@@ -43,7 +60,8 @@ uint8_t findDevices(int pin)
     Serial.print("\nuint8_t pin");
     Serial.print(pin, DEC);
     Serial.println("[][8] = {");
-    do {
+    do
+    {
       count++;
       Serial.println("  {");
       for (uint8_t i = 0; i < 8; i++)
@@ -53,7 +71,16 @@ uint8_t findDevices(int pin)
         Serial.print(address[i], HEX);
         if (i < 7) Serial.print(", ");
       }
-      Serial.println("  },");
+      Serial.print("  },");
+      // CHECK CRC
+      if (ow.crc8(address, 7) == address[7])
+      {
+        Serial.println("\t\t// CRC OK");
+      }
+      else
+      {
+        Serial.println("\t\t// CRC FAILED");
+      }
     } while (ow.search(address));
 
     Serial.println("};");

libraries/DS18B20_RT/library.json

@@ -23,9 +23,9 @@
       "version": "^2.3.5"
     }
   ],
-  "version": "0.2.0",
+  "version": "0.2.1",
   "license": "MIT",
-  "frameworks": "arduino",
+  "frameworks": "*",
   "platforms": "*",
   "headers": "DS18B20.h"
 }

libraries/DS18B20_RT/library.properties

@@ -1,5 +1,5 @@
 name=DS18B20_RT
-version=0.2.0
+version=0.2.1
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library for the DS18B20 temperature sensor.  

libraries/DS18B20_RT/src/DS18B20.cpp

@@ -1,7 +1,7 @@
 //
 //    FILE: DS18B20.cpp
 //  AUTHOR: Rob.Tillaart@gmail.com
-// VERSION: 0.2.0
+// VERSION: 0.2.1
 //    DATE: 2017-07-25
 // PUPROSE: library for DS18B20 temperature sensor with minimal footprint
 //     URL: https://github.com/RobTillaart/DS18B20_RT

libraries/DS18B20_RT/src/DS18B20.h

@@ -2,7 +2,7 @@
 //
 //    FILE: DS18B20.h
 //  AUTHOR: Rob.Tillaart@gmail.com
-// VERSION: 0.2.0
+// VERSION: 0.2.1
 //    DATE: 2017-07-25
 // PUPROSE: library for DS18B20 temperature sensor with minimal footprint
 //     URL: https://github.com/RobTillaart/DS18B20_RT
@@ -19,7 +19,7 @@
 //
 
 
-#define DS18B20_LIB_VERSION     (F("0.2.0"))
+#define DS18B20_LIB_VERSION     (F("0.2.1"))
 
 #include <OneWire.h>