添加反射率定标

.pio/libdeps/esp32-s3-devkitc-1/DallasTemperature/examples/WaitForConversion/WaitForConversion.ino

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+#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);
+}