v2.9

lib/DallasTemperature/examples/Alarm/Alarm.ino

@@ -0,0 +1,161 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+// arrays to hold device addresses
+DeviceAddress insideThermometer, outsideThermometer;
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+
+  // locate devices on the bus
+  Serial.print("Found ");
+  Serial.print(sensors.getDeviceCount(), DEC);
+  Serial.println(" devices.");
+
+  // search for devices on the bus and assign based on an index.
+  if (!sensors.getAddress(insideThermometer, 0)) Serial.println("Unable to find address for Device 0");
+  if (!sensors.getAddress(outsideThermometer, 1)) Serial.println("Unable to find address for Device 1");
+
+  // show the addresses we found on the bus
+  Serial.print("Device 0 Address: ");
+  printAddress(insideThermometer);
+  Serial.println();
+
+  Serial.print("Device 0 Alarms: ");
+  printAlarms(insideThermometer);
+  Serial.println();
+
+  Serial.print("Device 1 Address: ");
+  printAddress(outsideThermometer);
+  Serial.println();
+
+  Serial.print("Device 1 Alarms: ");
+  printAlarms(outsideThermometer);
+  Serial.println();
+
+  Serial.println("Setting alarm temps...");
+
+  // alarm when temp is higher than 30C
+  sensors.setHighAlarmTemp(insideThermometer, 30);
+
+  // alarm when temp is lower than -10C
+  sensors.setLowAlarmTemp(insideThermometer, -10);
+
+  // alarm when temp is higher than 31C
+  sensors.setHighAlarmTemp(outsideThermometer, 31);
+
+  // alarn when temp is lower than 27C
+  sensors.setLowAlarmTemp(outsideThermometer, 27);
+
+  Serial.print("New Device 0 Alarms: ");
+  printAlarms(insideThermometer);
+  Serial.println();
+
+  Serial.print("New Device 1 Alarms: ");
+  printAlarms(outsideThermometer);
+  Serial.println();
+}
+
+// function to print a device address
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+
+// function to print the temperature for a device
+void printTemperature(DeviceAddress deviceAddress)
+{
+  float tempC = sensors.getTempC(deviceAddress);
+  Serial.print("Temp C: ");
+  Serial.print(tempC);
+  Serial.print(" Temp F: ");
+  Serial.print(DallasTemperature::toFahrenheit(tempC));
+}
+
+void printAlarms(uint8_t deviceAddress[])
+{
+  char temp;
+  temp = sensors.getHighAlarmTemp(deviceAddress);
+  Serial.print("High Alarm: ");
+  Serial.print(temp, DEC);
+  Serial.print("C/");
+  Serial.print(DallasTemperature::toFahrenheit(temp));
+  Serial.print("F | Low Alarm: ");
+  temp = sensors.getLowAlarmTemp(deviceAddress);
+  Serial.print(temp, DEC);
+  Serial.print("C/");
+  Serial.print(DallasTemperature::toFahrenheit(temp));
+  Serial.print("F");
+}
+
+// main function to print information about a device
+void printData(DeviceAddress deviceAddress)
+{
+  Serial.print("Device Address: ");
+  printAddress(deviceAddress);
+  Serial.print(" ");
+  printTemperature(deviceAddress);
+  Serial.println();
+}
+
+void checkAlarm(DeviceAddress deviceAddress)
+{
+  if (sensors.hasAlarm(deviceAddress))
+  {
+    Serial.print("ALARM: ");
+    printData(deviceAddress);
+  }
+}
+
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures();
+  Serial.println("DONE");
+
+  // Method 1:
+  // check each address individually for an alarm condition
+  checkAlarm(insideThermometer);
+  checkAlarm(outsideThermometer);
+/*
+  // Alternate method:
+  // Search the bus and iterate through addresses of devices with alarms
+
+  // space for the alarm device's address
+  DeviceAddress alarmAddr;
+
+  Serial.println("Searching for alarms...");
+
+  // resetAlarmSearch() must be called before calling alarmSearch()
+  sensors.resetAlarmSearch();
+
+  // alarmSearch() returns 0 when there are no devices with alarms
+  while (sensors.alarmSearch(alarmAddr))
+  {
+    Serial.print("ALARM: ");
+    printData(alarmAddr);
+  }
+*/
+
+}

lib/DallasTemperature/examples/AlarmHandler/AlarmHandler.ino

@@ -0,0 +1,143 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+// arrays to hold device addresses
+DeviceAddress insideThermometer, outsideThermometer;
+
+// function that will be called when an alarm condition exists during DallasTemperatures::processAlarms();
+void newAlarmHandler(const uint8_t* deviceAddress)
+{
+  Serial.println("Alarm Handler Start");
+  printAlarmInfo(deviceAddress);
+  printTemp(deviceAddress);
+  Serial.println();
+  Serial.println("Alarm Handler Finish");
+}
+
+void printCurrentTemp(DeviceAddress deviceAddress)
+{
+  printAddress(deviceAddress);
+  printTemp(deviceAddress);
+  Serial.println();
+}
+
+void printAddress(const DeviceAddress deviceAddress)
+{
+  Serial.print("Address: ");
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+  Serial.print(" ");
+}
+
+void printTemp(const DeviceAddress deviceAddress)
+{
+  float tempC = sensors.getTempC(deviceAddress);
+  if (tempC != DEVICE_DISCONNECTED_C)
+  {
+    Serial.print("Current Temp C: ");
+    Serial.print(tempC);
+  }
+  else Serial.print("DEVICE DISCONNECTED");
+  Serial.print(" ");
+}
+
+void printAlarmInfo(const DeviceAddress deviceAddress)
+{
+  char temp;
+  printAddress(deviceAddress);
+  temp = sensors.getHighAlarmTemp(deviceAddress);
+  Serial.print("High Alarm: ");
+  Serial.print(temp, DEC);
+  Serial.print("C");
+  Serial.print(" Low Alarm: ");
+  temp = sensors.getLowAlarmTemp(deviceAddress);
+  Serial.print(temp, DEC);
+  Serial.print("C");
+  Serial.print(" ");
+}
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+
+  // locate devices on the bus
+  Serial.print("Found ");
+  Serial.print(sensors.getDeviceCount(), DEC);
+  Serial.println(" devices.");
+
+  // search for devices on the bus and assign based on an index
+  if (!sensors.getAddress(insideThermometer, 0)) Serial.println("Unable to find address for Device 0");
+  if (!sensors.getAddress(outsideThermometer, 1)) Serial.println("Unable to find address for Device 1");
+
+  Serial.print("Device insideThermometer ");
+  printAlarmInfo(insideThermometer);
+  Serial.println();
+
+  Serial.print("Device outsideThermometer ");
+  printAlarmInfo(outsideThermometer);
+  Serial.println();
+
+  // set alarm ranges
+  Serial.println("Setting alarm temps...");
+  sensors.setHighAlarmTemp(insideThermometer, 26);
+  sensors.setLowAlarmTemp(insideThermometer, 22);
+  sensors.setHighAlarmTemp(outsideThermometer, 25);
+  sensors.setLowAlarmTemp(outsideThermometer, 21);
+
+  Serial.print("New insideThermometer ");
+  printAlarmInfo(insideThermometer);
+  Serial.println();
+
+  Serial.print("New outsideThermometer ");
+  printAlarmInfo(outsideThermometer);
+  Serial.println();
+
+  // attach alarm handler
+  sensors.setAlarmHandler(&newAlarmHandler);
+
+}
+
+void loop(void)
+{
+  // ask the devices to measure the temperature
+  sensors.requestTemperatures();
+
+  // if an alarm condition exists as a result of the most recent
+  // requestTemperatures() request, it exists until the next time
+  // requestTemperatures() is called AND there isn't an alarm condition
+  // on the device
+  if (sensors.hasAlarm())
+  {
+    Serial.println("Oh noes!  There is at least one alarm on the bus.");
+  }
+
+  // call alarm handler function defined by sensors.setAlarmHandler
+  // for each device reporting an alarm
+  sensors.processAlarms();
+
+  if (!sensors.hasAlarm())
+  {
+    // just print out the current temperature
+    printCurrentTemp(insideThermometer);
+    printCurrentTemp(outsideThermometer);
+  }
+
+  delay(1000);
+}

lib/DallasTemperature/examples/ExternalPullup/ExternalPullup.ino

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+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino, while external pullup P-MOSFET gate into port 3
+#define ONE_WIRE_BUS    2
+#define ONE_WIRE_PULLUP 3
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire, ONE_WIRE_PULLUP);
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+}
+
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+
+  for (int i = 0; i < sensors.getDeviceCount(); i++) {
+    Serial.println("Temperature for Device " + String(i) + " is: " + String(sensors.getTempCByIndex(i)));
+  }
+}

lib/DallasTemperature/examples/Multibus_simple/Multibus_simple.ino

@@ -0,0 +1,43 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+OneWire ds18x20[] = { 3, 7 };
+const int oneWireCount = sizeof(ds18x20) / sizeof(OneWire);
+DallasTemperature sensor[oneWireCount];
+
+void setup(void) {
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature Multiple Bus Control Library Simple Demo");
+  Serial.print("============Ready with ");
+  Serial.print(oneWireCount);
+  Serial.println(" Sensors================");
+
+  // Start up the library on all defined bus-wires
+  DeviceAddress deviceAddress;
+  for (int i = 0; i < oneWireCount; i++) {
+    sensor[i].setOneWire(&ds18x20[i]);
+    sensor[i].begin();
+    if (sensor[i].getAddress(deviceAddress, 0)) sensor[i].setResolution(deviceAddress, 12);
+  }
+}
+
+void loop(void) {
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  for (int i = 0; i < oneWireCount; i++) {
+    sensor[i].requestTemperatures();
+  }
+  Serial.println("DONE");
+
+  delay(1000);
+  for (int i = 0; i < oneWireCount; i++) {
+    float temperature = sensor[i].getTempCByIndex(0);
+    Serial.print("Temperature for the sensor ");
+    Serial.print(i);
+    Serial.print(" is ");
+    Serial.println(temperature);
+  }
+  Serial.println();
+}

lib/DallasTemperature/examples/Multiple/Multiple.ino

@@ -0,0 +1,148 @@
+// Include the libraries we need
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+#define TEMPERATURE_PRECISION 9
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+// arrays to hold device addresses
+DeviceAddress insideThermometer, outsideThermometer;
+
+// Assign address manually. The addresses below will need to be changed
+// to valid device addresses on your bus. Device address can be retrieved
+// by using either oneWire.search(deviceAddress) or individually via
+// sensors.getAddress(deviceAddress, index)
+// DeviceAddress insideThermometer = { 0x28, 0x1D, 0x39, 0x31, 0x2, 0x0, 0x0, 0xF0 };
+// DeviceAddress outsideThermometer   = { 0x28, 0x3F, 0x1C, 0x31, 0x2, 0x0, 0x0, 0x2 };
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+
+  // locate devices on the bus
+  Serial.print("Locating devices...");
+  Serial.print("Found ");
+  Serial.print(sensors.getDeviceCount(), DEC);
+  Serial.println(" devices.");
+
+  // report parasite power requirements
+  Serial.print("Parasite power is: ");
+  if (sensors.isParasitePowerMode()) Serial.println("ON");
+  else Serial.println("OFF");
+
+  // Search for devices on the bus and assign based on an index. Ideally,
+  // you would do this to initially discover addresses on the bus and then
+  // use those addresses and manually assign them (see above) once you know
+  // the devices on your bus (and assuming they don't change).
+  //
+  // method 1: by index
+  if (!sensors.getAddress(insideThermometer, 0)) Serial.println("Unable to find address for Device 0");
+  if (!sensors.getAddress(outsideThermometer, 1)) Serial.println("Unable to find address for Device 1");
+
+  // method 2: search()
+  // search() looks for the next device. Returns 1 if a new address has been
+  // returned. A zero might mean that the bus is shorted, there are no devices,
+  // or you have already retrieved all of them. It might be a good idea to
+  // check the CRC to make sure you didn't get garbage. The order is
+  // deterministic. You will always get the same devices in the same order
+  //
+  // Must be called before search()
+  //oneWire.reset_search();
+  // assigns the first address found to insideThermometer
+  //if (!oneWire.search(insideThermometer)) Serial.println("Unable to find address for insideThermometer");
+  // assigns the seconds address found to outsideThermometer
+  //if (!oneWire.search(outsideThermometer)) Serial.println("Unable to find address for outsideThermometer");
+
+  // show the addresses we found on the bus
+  Serial.print("Device 0 Address: ");
+  printAddress(insideThermometer);
+  Serial.println();
+
+  Serial.print("Device 1 Address: ");
+  printAddress(outsideThermometer);
+  Serial.println();
+
+  // set the resolution to 9 bit per device
+  sensors.setResolution(insideThermometer, TEMPERATURE_PRECISION);
+  sensors.setResolution(outsideThermometer, TEMPERATURE_PRECISION);
+
+  Serial.print("Device 0 Resolution: ");
+  Serial.print(sensors.getResolution(insideThermometer), DEC);
+  Serial.println();
+
+  Serial.print("Device 1 Resolution: ");
+  Serial.print(sensors.getResolution(outsideThermometer), DEC);
+  Serial.println();
+}
+
+// function to print a device address
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    // zero pad the address if necessary
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+
+// function to print the temperature for a device
+void printTemperature(DeviceAddress deviceAddress)
+{
+  float tempC = sensors.getTempC(deviceAddress);
+  if (tempC == DEVICE_DISCONNECTED_C)
+  {
+    Serial.println("Error: Could not read temperature data");
+    return;
+  }
+  Serial.print("Temp C: ");
+  Serial.print(tempC);
+  Serial.print(" Temp F: ");
+  Serial.print(DallasTemperature::toFahrenheit(tempC));
+}
+
+// function to print a device's resolution
+void printResolution(DeviceAddress deviceAddress)
+{
+  Serial.print("Resolution: ");
+  Serial.print(sensors.getResolution(deviceAddress));
+  Serial.println();
+}
+
+// main function to print information about a device
+void printData(DeviceAddress deviceAddress)
+{
+  Serial.print("Device Address: ");
+  printAddress(deviceAddress);
+  Serial.print(" ");
+  printTemperature(deviceAddress);
+  Serial.println();
+}
+
+/*
+   Main function, calls the temperatures in a loop.
+*/
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures();
+  Serial.println("DONE");
+
+  // print the device information
+  printData(insideThermometer);
+  printData(outsideThermometer);
+}

lib/DallasTemperature/examples/SaveRecallScratchPad/SaveRecallScratchPad.ino

@@ -0,0 +1,106 @@
+//
+//    FILE: SaveRecallScratchPad.ino
+//  AUTHOR: GitKomodo
+// VERSION: 0.0.1
+// PURPOSE: Show DallasTemperature lib functionality to
+//          save/recall ScratchPad values to/from EEPROM
+//
+// HISTORY:
+// 0.0.1 = 2020-02-18 initial version
+//
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS 2
+
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+DeviceAddress deviceAddress;
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println(__FILE__);
+  Serial.println("Dallas Temperature Demo");
+
+  sensors.begin();
+
+  // Get ID of first sensor (at index 0)
+  sensors.getAddress(deviceAddress, 0);
+
+  // By default configuration and alarm/userdata registers are also saved to EEPROM
+  // when they're changed. Sensors recall these values automatically when powered up.
+
+  // Turn OFF automatic saving of configuration and alarm/userdata registers to EEPROM
+  sensors.setAutoSaveScratchPad(false);
+
+  // Change configuration and alarm/userdata registers on the scratchpad
+  int8_t resolution = 12;
+  sensors.setResolution(deviceAddress, resolution);
+  int16_t userdata = 24680;
+  sensors.setUserData(deviceAddress, userdata);
+
+  // Save configuration and alarm/userdata registers to EEPROM
+  sensors.saveScratchPad(deviceAddress);
+
+  // saveScratchPad can also be used without a parameter to save the configuration
+  // and alarm/userdata registers of ALL connected sensors to EEPROM:
+  //
+  //   sensors.saveScratchPad();
+  //
+  // Or the configuration and alarm/userdata registers of a sensor can be saved to
+  // EEPROM by index:
+  //
+  //   sensors.saveScratchPadByIndex(0);
+
+  // Print current values on the scratchpad (resolution = 12, userdata = 24680)
+  printValues();
+
+}
+
+void loop() {
+
+  // Change configuration and alarm/userdata registers on the scratchpad
+  int8_t resolution = 10;
+  sensors.setResolution(deviceAddress, resolution);
+  int16_t userdata = 12345;
+  sensors.setUserData(deviceAddress, userdata);
+
+  // Print current values on the scratchpad (resolution = 10, userdata = 12345)
+  printValues();
+
+  delay(2000);
+
+  // Recall configuration and alarm/userdata registers from EEPROM
+  sensors.recallScratchPad(deviceAddress);
+
+  // recallScratchPad can also be used without a parameter to recall the configuration
+  // and alarm/userdata registers of ALL connected sensors from EEPROM:
+  //
+  //   sensors.recallScratchPad();
+  //
+  // Or the configuration and alarm/userdata registers of a sensor can be recalled
+  // from EEPROM by index:
+  //
+  //   sensors.recallScratchPadByIndex(0);
+
+  // Print current values on the scratchpad (resolution = 12, userdata = 24680)
+  printValues();
+
+  delay(2000);
+
+}
+
+void printValues() {
+
+  Serial.println();
+  Serial.println("Current values on the scratchpad:");
+
+  Serial.print("Resolution:\t");
+  Serial.println(sensors.getResolution(deviceAddress));
+
+  Serial.print("User data:\t");
+  Serial.println(sensors.getUserData(deviceAddress));
+
+}

lib/DallasTemperature/examples/SetUserData/SetUserData.ino

@@ -0,0 +1,47 @@
+//
+// This sketch does not use the ALARM registers and uses those 2 bytes as a counter
+// these 2 bytes can be used for other purposes as well e.g. last temperature or
+// a specific ID.
+//
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+int count = 0;
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+
+}
+
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+
+  Serial.print("Temperature for the device 1 (index 0) is: ");
+  Serial.println(sensors.getTempCByIndex(0));
+
+  count++;
+  sensors.setUserDataByIndex(0, count);
+  int x = sensors.getUserDataByIndex(0);
+  Serial.println(count);
+}

lib/DallasTemperature/examples/Simple/Simple.ino

@@ -0,0 +1,51 @@
+// Include the libraries we need
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+/*
+ * The setup function. We only start the sensors here
+ */
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+}
+
+/*
+ * Main function, get and show the temperature
+ */
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+  // After we got the temperatures, we can print them here.
+  // We use the function ByIndex, and as an example get the temperature from the first sensor only.
+  float tempC = sensors.getTempCByIndex(0);
+
+  // Check if reading was successful
+  if (tempC != DEVICE_DISCONNECTED_C)
+  {
+    Serial.print("Temperature for the device 1 (index 0) is: ");
+    Serial.println(tempC);
+  }
+  else
+  {
+    Serial.println("Error: Could not read temperature data");
+  }
+}

lib/DallasTemperature/examples/Single/Single.ino

@@ -0,0 +1,121 @@
+// Include the libraries we need
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+// arrays to hold device address
+DeviceAddress insideThermometer;
+
+/*
+ * Setup function. Here we do the basics
+ */
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // locate devices on the bus
+  Serial.print("Locating devices...");
+  sensors.begin();
+  Serial.print("Found ");
+  Serial.print(sensors.getDeviceCount(), DEC);
+  Serial.println(" devices.");
+
+  // report parasite power requirements
+  Serial.print("Parasite power is: ");
+  if (sensors.isParasitePowerMode()) Serial.println("ON");
+  else Serial.println("OFF");
+
+  // Assign address manually. The addresses below will beed to be changed
+  // to valid device addresses on your bus. Device address can be retrieved
+  // by using either oneWire.search(deviceAddress) or individually via
+  // sensors.getAddress(deviceAddress, index)
+  // Note that you will need to use your specific address here
+  //insideThermometer = { 0x28, 0x1D, 0x39, 0x31, 0x2, 0x0, 0x0, 0xF0 };
+
+  // Method 1:
+  // Search for devices on the bus and assign based on an index. Ideally,
+  // you would do this to initially discover addresses on the bus and then
+  // use those addresses and manually assign them (see above) once you know
+  // the devices on your bus (and assuming they don't change).
+  if (!sensors.getAddress(insideThermometer, 0)) Serial.println("Unable to find address for Device 0");
+
+  // method 2: search()
+  // search() looks for the next device. Returns 1 if a new address has been
+  // returned. A zero might mean that the bus is shorted, there are no devices,
+  // or you have already retrieved all of them. It might be a good idea to
+  // check the CRC to make sure you didn't get garbage. The order is
+  // deterministic. You will always get the same devices in the same order
+  //
+  // Must be called before search()
+  //oneWire.reset_search();
+  // assigns the first address found to insideThermometer
+  //if (!oneWire.search(insideThermometer)) Serial.println("Unable to find address for insideThermometer");
+
+  // show the addresses we found on the bus
+  Serial.print("Device 0 Address: ");
+  printAddress(insideThermometer);
+  Serial.println();
+
+  // set the resolution to 9 bit (Each Dallas/Maxim device is capable of several different resolutions)
+  sensors.setResolution(insideThermometer, 9);
+
+  Serial.print("Device 0 Resolution: ");
+  Serial.print(sensors.getResolution(insideThermometer), DEC);
+  Serial.println();
+}
+
+// function to print the temperature for a device
+void printTemperature(DeviceAddress deviceAddress)
+{
+  // method 1 - slower
+  //Serial.print("Temp C: ");
+  //Serial.print(sensors.getTempC(deviceAddress));
+  //Serial.print(" Temp F: ");
+  //Serial.print(sensors.getTempF(deviceAddress)); // Makes a second call to getTempC and then converts to Fahrenheit
+
+  // method 2 - faster
+  float tempC = sensors.getTempC(deviceAddress);
+  if (tempC == DEVICE_DISCONNECTED_C)
+  {
+    Serial.println("Error: Could not read temperature data");
+    return;
+  }
+  Serial.print("Temp C: ");
+  Serial.print(tempC);
+  Serial.print(" Temp F: ");
+  Serial.println(DallasTemperature::toFahrenheit(tempC)); // Converts tempC to Fahrenheit
+}
+/*
+ * Main function. It will request the tempC from the sensors and display on Serial.
+ */
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+
+  // It responds almost immediately. Let's print out the data
+  printTemperature(insideThermometer); // Use a simple function to print out the data
+}
+
+// function to print a device address
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}

lib/DallasTemperature/examples/Tester/Tester.ino

@@ -0,0 +1,129 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+#define TEMPERATURE_PRECISION 9 // Lower resolution
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+int numberOfDevices; // Number of temperature devices found
+
+DeviceAddress tempDeviceAddress; // We'll use this variable to store a found device address
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+
+  // Grab a count of devices on the wire
+  numberOfDevices = sensors.getDeviceCount();
+
+  // locate devices on the bus
+  Serial.print("Locating devices...");
+
+  Serial.print("Found ");
+  Serial.print(numberOfDevices, DEC);
+  Serial.println(" devices.");
+
+  // report parasite power requirements
+  Serial.print("Parasite power is: ");
+  if (sensors.isParasitePowerMode()) Serial.println("ON");
+  else Serial.println("OFF");
+
+  // Loop through each device, print out address
+  for (int i = 0; i < numberOfDevices; i++)
+  {
+    // Search the wire for address
+    if (sensors.getAddress(tempDeviceAddress, i))
+    {
+      Serial.print("Found device ");
+      Serial.print(i, DEC);
+      Serial.print(" with address: ");
+      printAddress(tempDeviceAddress);
+      Serial.println();
+
+      Serial.print("Setting resolution to ");
+      Serial.println(TEMPERATURE_PRECISION, DEC);
+
+      // set the resolution to TEMPERATURE_PRECISION bit (Each Dallas/Maxim device is capable of several different resolutions)
+      sensors.setResolution(tempDeviceAddress, TEMPERATURE_PRECISION);
+
+      Serial.print("Resolution actually set to: ");
+      Serial.print(sensors.getResolution(tempDeviceAddress), DEC);
+      Serial.println();
+    } else {
+      Serial.print("Found ghost device at ");
+      Serial.print(i, DEC);
+      Serial.print(" but could not detect address. Check power and cabling");
+    }
+  }
+
+}
+
+// function to print the temperature for a device
+void printTemperature(DeviceAddress deviceAddress)
+{
+  // method 1 - slower
+  //Serial.print("Temp C: ");
+  //Serial.print(sensors.getTempC(deviceAddress));
+  //Serial.print(" Temp F: ");
+  //Serial.print(sensors.getTempF(deviceAddress)); // Makes a second call to getTempC and then converts to Fahrenheit
+
+  // method 2 - faster
+  float tempC = sensors.getTempC(deviceAddress);
+  if (tempC == DEVICE_DISCONNECTED_C)
+  {
+    Serial.println("Error: Could not read temperature data");
+    return;
+  }
+  Serial.print("Temp C: ");
+  Serial.print(tempC);
+  Serial.print(" Temp F: ");
+  Serial.println(DallasTemperature::toFahrenheit(tempC)); // Converts tempC to Fahrenheit
+}
+
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+
+
+  // Loop through each device, print out temperature data
+  for (int i = 0; i < numberOfDevices; i++)
+  {
+    // Search the wire for address
+    if (sensors.getAddress(tempDeviceAddress, i))
+    {
+      // Output the device ID
+      Serial.print("Temperature for device: ");
+      Serial.println(i, DEC);
+
+      // It responds almost immediately. Let's print out the data
+      printTemperature(tempDeviceAddress); // Use a simple function to print out the data
+    }
+    //else ghost device! Check your power requirements and cabling
+
+  }
+}
+
+// function to print a device address
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}

lib/DallasTemperature/examples/Timing/Timing.ino

@@ -0,0 +1,77 @@
+//
+//    FILE: Timing.ino
+//  AUTHOR: Rob Tillaart
+// VERSION: 0.0.3
+// PURPOSE: show performance of DallasTemperature lib
+//          compared to datasheet times per resolution
+//
+// HISTORY:
+// 0.0.1    2017-07-25 initial version
+// 0.0.2    2020-02-13 updates to work with current lib version
+// 0.0.3    2020-02-20 added timing measurement of setResolution
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS 2
+
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensor(&oneWire);
+
+uint32_t start, stop;
+
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println(__FILE__);
+  Serial.print("DallasTemperature Library version: ");
+  Serial.println(DALLASTEMPLIBVERSION);
+
+  sensor.begin();
+}
+
+void loop()
+{
+  float ti[4] = { 94, 188, 375, 750 };
+
+  Serial.println();
+  Serial.println("Test takes about 30 seconds for 4 resolutions");
+  Serial.println("RES\tTIME\tACTUAL\tGAIN");
+  for (int r = 9; r < 13; r++)
+  {
+    start = micros();
+    sensor.setResolution(r);
+    Serial.println(micros() - start);
+
+    start = micros();
+    sensor.setResolution(r);
+    Serial.println(micros() - start);
+
+    uint32_t duration = run(20);
+    float avgDuration = duration / 20.0;
+
+    Serial.print(r);
+    Serial.print("\t");
+    Serial.print(ti[r - 9]);
+    Serial.print("\t");
+    Serial.print(avgDuration, 2);
+    Serial.print("\t");
+    Serial.print(avgDuration * 100 / ti[r - 9], 1);
+    Serial.println("%");
+  }
+  delay(1000);
+}
+
+uint32_t run(int runs)
+{
+  float t;
+  start = millis();
+  for (int i = 0; i < runs; i++)
+  {
+    sensor.requestTemperatures();
+    t = sensor.getTempCByIndex(0);
+  }
+  stop = millis();
+  return stop - start;
+}

lib/DallasTemperature/examples/TwoPin_DS18B20/TwoPin_DS18B20.ino

@@ -0,0 +1,45 @@
+//
+// FILE: TwoPin_DS18B20.ino
+// AUTHOR: Rob Tillaart
+// VERSION: 0.1.00
+// PURPOSE: two pins for two sensors demo
+// DATE: 2014-06-13
+// URL: http://forum.arduino.cc/index.php?topic=216835.msg1764333#msg1764333
+//
+// Released to the public domain
+//
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS_1 2
+#define ONE_WIRE_BUS_2 4
+
+OneWire oneWire_in(ONE_WIRE_BUS_1);
+OneWire oneWire_out(ONE_WIRE_BUS_2);
+
+DallasTemperature sensor_inhouse(&oneWire_in);
+DallasTemperature sensor_outhouse(&oneWire_out);
+
+void setup(void)
+{
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature Control Library Demo - TwoPin_DS18B20");
+
+  sensor_inhouse.begin();
+  sensor_outhouse.begin();
+}
+
+void loop(void)
+{
+  Serial.print("Requesting temperatures...");
+  sensor_inhouse.requestTemperatures();
+  sensor_outhouse.requestTemperatures();
+  Serial.println(" done");
+
+  Serial.print("Inhouse: ");
+  Serial.println(sensor_inhouse.getTempCByIndex(0));
+
+  Serial.print("Outhouse: ");
+  Serial.println(sensor_outhouse.getTempCByIndex(0));
+}

lib/DallasTemperature/examples/UserDataDemo/UserDataDemo.ino

@@ -0,0 +1,115 @@
+//
+// FILE: UserDataDemo.ino
+// AUTHOR: Rob Tillaart
+// VERSION: 0.1.0
+// PURPOSE: use of alarm field as user identification demo
+// DATE: 2019-12-23
+// URL:
+//
+// Released to the public domain
+//
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS      2
+
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+
+uint8_t deviceCount = 0;
+
+// Add 4 prepared sensors to the bus
+// use the UserDataWriteBatch demo to prepare 4 different labeled sensors
+struct
+{
+  int id;
+  DeviceAddress addr;
+} T[4];
+
+float getTempByID(int id)
+{
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    if (T[index].id == id)
+    {
+      return sensors.getTempC(T[index].addr);
+    }
+  }
+  return -999;
+}
+
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    // zero pad the address if necessary
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+
+void setup(void)
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  Serial.println("Dallas Temperature Demo");
+
+  sensors.begin();
+
+  // count devices
+  deviceCount = sensors.getDeviceCount();
+  Serial.print("#devices: ");
+  Serial.println(deviceCount);
+
+  // Read ID's per sensor
+  // and put them in T array
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    // go through sensors
+    sensors.getAddress(T[index].addr, index);
+    T[index].id = sensors.getUserData(T[index].addr);
+  }
+
+  // Check all 4 sensors are set
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    Serial.println();
+    Serial.println(T[index].id);
+    printAddress(T[index].addr);
+    Serial.println();
+  }
+  Serial.println();
+
+}
+
+
+void loop(void)
+{
+  Serial.println();
+  Serial.print(millis());
+  Serial.println("\treq temp");
+  sensors.requestTemperatures();
+
+  Serial.print(millis());
+  Serial.println("\tGet temp by address");
+  for (int i = 0; i < 4; i++)
+  {
+    Serial.print(millis());
+    Serial.print("\t temp:\t");
+    Serial.println(sensors.getTempC(T[i].addr));
+  }
+
+  Serial.print(millis());
+  Serial.println("\tGet temp by ID");  // assume ID = 0, 1, 2, 3
+  for (int id = 0; id < 4; id++)
+  {
+    Serial.print(millis());
+    Serial.print("\t temp:\t");
+    Serial.println(getTempByID(id));
+  }
+
+  delay(1000);
+}
+
+// END OF FILE

lib/DallasTemperature/examples/UserDataWriteBatch/UserDataWriteBatch.ino

@@ -0,0 +1,107 @@
+//
+// FILE: UserDataWriteBatch.ino
+// AUTHOR: Rob Tillaart
+// VERSION: 0.1.0
+// PURPOSE: use of alarm field as user identification demo
+// DATE: 2019-12-23
+// URL:
+//
+// Released to the public domain
+//
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS      2
+
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+
+uint8_t deviceCount = 0;
+
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    // zero pad the address if necessary
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+
+
+
+void setup(void)
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  Serial.println("Write user ID to DS18B20\n");
+
+  sensors.begin();
+
+  // count devices
+  deviceCount = sensors.getDeviceCount();
+  Serial.print("#devices: ");
+  Serial.println(deviceCount);
+
+  Serial.println();
+  Serial.println("current ID's");
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    DeviceAddress t;
+    sensors.getAddress(t, index);
+    printAddress(t);
+    Serial.print("\t\tID: ");
+    int id = sensors.getUserData(t);
+    Serial.println(id);
+  }
+
+  Serial.println();
+  Serial.print("Enter ID for batch: ");
+  int c = 0;
+  int id = 0;
+  while (c != '\n' && c != '\r')
+  {
+    c = Serial.read();
+    switch (c)
+    {
+    case '0'...'9':
+      id *= 10;
+      id += (c - '0');
+      break;
+    default:
+      break;
+    }
+  }
+  Serial.println();
+  Serial.println(id);
+  Serial.println();
+
+  Serial.println("Start labeling ...");
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    Serial.print(".");
+    DeviceAddress t;
+    sensors.getAddress(t, index);
+    sensors.setUserData(t, id);
+  }
+  Serial.println();
+
+  Serial.println();
+  Serial.println("Show results ...");
+  for (uint8_t index = 0; index < deviceCount; index++)
+  {
+    DeviceAddress t;
+    sensors.getAddress(t, index);
+    printAddress(t);
+    Serial.print("\t\tID: ");
+    int id = sensors.getUserData(t);
+    Serial.println(id);
+  }
+  Serial.println("Done ...");
+
+}
+
+void loop(void) {}
+
+// END OF FILE

lib/DallasTemperature/examples/WaitForConversion/WaitForConversion.ino

@@ -0,0 +1,66 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(115200);
+  Serial.println("Dallas Temperature Control Library - Async Demo");
+  Serial.println("\nDemo shows the difference in length of the call\n\n");
+
+  // Start up the library
+  sensors.begin();
+}
+
+void loop(void)
+{
+  // Request temperature conversion (traditional)
+  Serial.println("Before blocking requestForConversion");
+  unsigned long start = millis();
+
+  sensors.requestTemperatures();
+
+  unsigned long stop = millis();
+  Serial.println("After blocking requestForConversion");
+  Serial.print("Time used: ");
+  Serial.println(stop - start);
+
+  // get temperature
+  Serial.print("Temperature: ");
+  Serial.println(sensors.getTempCByIndex(0));
+  Serial.println("\n");
+
+  // Request temperature conversion - non-blocking / async
+  Serial.println("Before NON-blocking/async requestForConversion");
+  start = millis();
+  sensors.setWaitForConversion(false);  // makes it async
+  sensors.requestTemperatures();
+  sensors.setWaitForConversion(true);
+  stop = millis();
+  Serial.println("After NON-blocking/async requestForConversion");
+  Serial.print("Time used: ");
+  Serial.println(stop - start);
+
+
+  // 9 bit resolution by default
+  // Note the programmer is responsible for the right delay
+  // we could do something usefull here instead of the delay
+  int resolution = 9;
+  delay(750 / (1 << (12 - resolution)));
+
+  // get temperature
+  Serial.print("Temperature: ");
+  Serial.println(sensors.getTempCByIndex(0));
+  Serial.println("\n\n\n\n");
+
+  delay(5000);
+}

lib/DallasTemperature/examples/WaitForConversion2/WaitForConversion2.ino

@@ -0,0 +1,80 @@
+//
+// Sample of using Async reading of Dallas Temperature Sensors
+//
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+DeviceAddress tempDeviceAddress;
+
+int  resolution = 12;
+unsigned long lastTempRequest = 0;
+int  delayInMillis = 0;
+float temperature = 0.0;
+int  idle = 0;
+//
+// SETUP
+//
+void setup(void)
+{
+  Serial.begin(115200);
+  Serial.println("Dallas Temperature Control Library - Async Demo");
+  Serial.print("Library Version: ");
+  Serial.println(DALLASTEMPLIBVERSION);
+  Serial.println("\n");
+
+  sensors.begin();
+  sensors.getAddress(tempDeviceAddress, 0);
+  sensors.setResolution(tempDeviceAddress, resolution);
+
+  sensors.setWaitForConversion(false);
+  sensors.requestTemperatures();
+  delayInMillis = 750 / (1 << (12 - resolution));
+  lastTempRequest = millis();
+
+  pinMode(13, OUTPUT);
+}
+
+void loop(void)
+{
+
+  if (millis() - lastTempRequest >= delayInMillis) // waited long enough??
+  {
+    digitalWrite(13, LOW);
+    Serial.print(" Temperature: ");
+    temperature = sensors.getTempCByIndex(0);
+    Serial.println(temperature, resolution - 8);
+    Serial.print("  Resolution: ");
+    Serial.println(resolution);
+    Serial.print("Idle counter: ");
+    Serial.println(idle);
+    Serial.println();
+
+    idle = 0;
+
+    // immediately after fetching the temperature we request a new sample
+    // in the async modus
+    // for the demo we let the resolution change to show differences
+    resolution++;
+    if (resolution > 12) resolution = 9;
+
+    sensors.setResolution(tempDeviceAddress, resolution);
+    sensors.requestTemperatures();
+    delayInMillis = 750 / (1 << (12 - resolution));
+    lastTempRequest = millis();
+  }
+
+  digitalWrite(13, HIGH);
+  // we can do usefull things here
+  // for the demo we just count the idle time in millis
+  delay(1);
+  idle++;
+}

lib/DallasTemperature/examples/oneWireSearch/oneWireSearch.ino

@@ -0,0 +1,67 @@
+//
+//    FILE: oneWireSearch.ino
+//  AUTHOR: Rob Tillaart
+// VERSION: 0.1.02
+// PURPOSE: scan for 1-Wire devices + code snippet generator
+//    DATE: 2015-june-30
+//     URL: http://forum.arduino.cc/index.php?topic=333923
+//
+// inspired by http://www.hacktronics.com/Tutorials/arduino-1-wire-address-finder.html
+//
+// Released to the public domain
+//
+// 0.1.00 initial version
+// 0.1.01 first published version
+// 0.1.02 small output changes
+
+#include <OneWire.h>
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println("//\n// Start oneWireSearch.ino \n//");
+
+  for (uint8_t pin = 2; pin < 13; pin++)
+  {
+    findDevices(pin);
+  }
+  Serial.println("\n//\n// End oneWireSearch.ino \n//");
+}
+
+void loop()
+{
+}
+
+uint8_t findDevices(int pin)
+{
+  OneWire ow(pin);
+
+  uint8_t address[8];
+  uint8_t count = 0;
+
+
+  if (ow.search(address))
+  {
+    Serial.print("\nuint8_t pin");
+    Serial.print(pin, DEC);
+    Serial.println("[][8] = {");
+    do {
+      count++;
+      Serial.println("  {");
+      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.println("  },");
+    } while (ow.search(address));
+
+    Serial.println("};");
+    Serial.print("// nr devices found: ");
+    Serial.println(count);
+  }
+
+  return count;
+}

lib/DallasTemperature/examples/readPowerSupply/readPowerSupply.ino

@@ -0,0 +1,92 @@
+//
+// FILE: readPowerSupply.ino
+// AUTHOR: Rob Tillaart
+// VERSION: 0.1.0
+// PURPOSE: demo
+// DATE: 2020-02-10
+//
+// Released to the public domain
+//
+
+// Include the libraries we need
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+// arrays to hold device addresses
+DeviceAddress insideThermometer, outsideThermometer;
+// Assign address manually. The addresses below will beed to be changed
+// to valid device addresses on your bus. Device address can be retrieved
+// by using either oneWire.search(deviceAddress) or individually via
+// sensors.getAddress(deviceAddress, index)
+// DeviceAddress insideThermometer = { 0x28, 0x1D, 0x39, 0x31, 0x2, 0x0, 0x0, 0xF0 };
+// DeviceAddress outsideThermometer   = { 0x28, 0x3F, 0x1C, 0x31, 0x2, 0x0, 0x0, 0x2 };
+
+int devCount = 0;
+
+/*
+ * The setup function. We only start the sensors here
+ */
+void setup(void)
+{
+  Serial.begin(115200);
+  Serial.println("Arduino Temperature Control Library Demo - readPowerSupply");
+
+  sensors.begin();
+
+  devCount = sensors.getDeviceCount();
+  Serial.print("#devices: ");
+  Serial.println(devCount);
+
+  // report parasite power requirements
+  Serial.print("Parasite power is: ");
+  if (sensors.readPowerSupply()) Serial.println("ON");  // no address means "scan all devices for parasite mode"
+  else Serial.println("OFF");
+
+  // Search for devices on the bus and assign based on an index.
+  if (!sensors.getAddress(insideThermometer, 0)) Serial.println("Unable to find address for Device 0");
+  if (!sensors.getAddress(outsideThermometer, 1)) Serial.println("Unable to find address for Device 1");
+
+  // show the addresses we found on the bus
+  Serial.print("Device 0 Address: ");
+  printAddress(insideThermometer);
+  Serial.println();
+  Serial.print("Power = parasite: ");
+  Serial.println(sensors.readPowerSupply(insideThermometer));
+  Serial.println();
+  Serial.println();
+
+  Serial.print("Device 1 Address: ");
+  printAddress(outsideThermometer);
+  Serial.println();
+  Serial.print("Power = parasite: ");
+  Serial.println(sensors.readPowerSupply(outsideThermometer));
+  Serial.println();
+  Serial.println();
+}
+
+// function to print a device address
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    // zero pad the address if necessary
+    if (deviceAddress[i] < 0x10) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+
+// empty on purpose
+void loop(void)
+{
+}
+
+// END OF FILE