mirror/DHT-sensor-library
1
0
Fork 0
mirror of https://github.com/adafruit/DHT-sensor-library.git synced 2023-10-23 22:20:38 +03:00
Code Issues Projects Releases Wiki Activity

Remove serial.print from library and update example error handling. Resolves issue #11 and #13.

Browse Source
This commit is contained in:
Tony DiCola 2014-06-02 13:03:27 -07:00
parent ffac2f15b7
commit ce05c3536c
2 changed files with 18 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
DHT.cpp
View File

@ -46,7 +46,6 @@ float DHT::readTemperature(bool S) {
return f;
}
}
Serial.print("Read fail");
return NAN;
}
@ -70,7 +69,6 @@ float DHT::readHumidity(void) {
return f;
}
}
Serial.print("Read fail");
return NAN;
}

13
examples/DHTtester/DHTtester.ino
View File

@ -32,14 +32,17 @@ void loop() {
float t = dht.readTemperature();
// Read temperature as Fahrenheit
float f = dht.readTemperature(true);
// Check if any reads failed and exit early (to try again).
if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
// Compute heat index
// Must send in temp in Fahrenheit!
float hi = dht.computeHeatIndex(f, h);
// check if returns are valid, if they are NaN (not a number) then something went wrong!
if (isnan(t) || isnan(h)) {
Serial.println("Failed to read from DHT");
} else {
Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %\t");
@ -51,6 +54,4 @@ void loop() {
Serial.print("Heat index: ");
Serial.print(hi);
Serial.println(" *F");
}
}