67 lines
1 KiB
C++
67 lines
1 KiB
C++
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#include <OneWire.h>
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#include <DallasTemperature.h>
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// Pin donde se conecta el bus 1-Wire
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const int pinDatosDQ = 2;
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// Instancia a las clases OneWire y DallasTemperature
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OneWire oneWireObjeto(pinDatosDQ);
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DallasTemperature sensorDS18B20(&oneWireObjeto);
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// Dispositivo
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const int devID = 1;
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char devIDstr[5];
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int inQuery;
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float getData() {
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sensorDS18B20.requestTemperatures();
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return (sensorDS18B20.getTempCByIndex(0));
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}
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void setup() {
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Serial.begin(9600);
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sensorDS18B20.begin();
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}
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void loop() {
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if ( Serial.available() > 0) {
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inQuery = Serial.read();
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if ( inQuery == devID) {
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Serial.write(itoa(devID, devIDstr, 10));
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Serial.write(" ");
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Serial.write("T");
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Serial.write(" ");
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char lecturaStr[6]; // Buffer big enough for 7-character float
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dtostrf(getData(), 2, 4, lecturaStr); // Leave room for too large numbers!
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Serial.write(lecturaStr);
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Serial.write(" ");
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Serial.write("C");
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Serial.write(" ");
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Serial.write("99\n");
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}
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}
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delay(1000);
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}
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