Created
April 7, 2020 04:23
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#include <OneWire.h> | |
#include <DallasTemperature.h> | |
// Data wire is plugged into port D2 on the ESP8266 | |
#define ONE_WIRE_BUS D2 | |
// 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); | |
// variable to hold device addresses | |
DeviceAddress Thermometer; | |
int deviceCount = 0; | |
void setup(void) | |
{ | |
// start serial port | |
Serial.begin(115200); | |
// Start up the library | |
sensors.begin(); | |
// locate devices on the bus | |
Serial.println("Locating devices..."); | |
Serial.print("Found "); | |
deviceCount = sensors.getDeviceCount(); | |
Serial.print(deviceCount, DEC); | |
Serial.println(" devices."); | |
Serial.println(""); | |
Serial.println("Printing addresses..."); | |
for (int i = 0; i < deviceCount; i++) | |
{ | |
Serial.print("Sensor "); | |
Serial.print(i+1); | |
Serial.print(" : "); | |
sensors.getAddress(Thermometer, i); | |
printAddress(Thermometer); | |
} | |
} | |
void loop(void) | |
{ } | |
void printAddress(DeviceAddress deviceAddress) | |
{ | |
for (uint8_t i = 0; i < 8; i++) | |
{ | |
Serial.print("0x"); | |
if (deviceAddress[i] < 0x10) Serial.print("0"); | |
Serial.print(deviceAddress[i], HEX); | |
if (i < 7) Serial.print(", "); | |
} | |
Serial.println(""); | |
} |
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