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check for empty strings from arduino. #1

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check for empty strings from arduino. #1

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9 changes: 7 additions & 2 deletions PulseSensorAmpd_Processing_1dot1/serialEvent.pde
100755 → 100644
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,13 @@

void serialEvent(Serial port){
String inData = port.readStringUntil('\n');
if (inData == null) { // bail if we didn't get anything
return;
}
inData = trim(inData); // cut off white space (carriage return)

if (inData.isEmpty()) { // bail if we got an empty line
return;
}
if (inData.charAt(0) == 'S'){ // leading 'S' for sensor data
inData = inData.substring(1); // cut off the leading 'S'
Sensor = int(inData); // convert the string to usable int
Expand All @@ -20,4 +25,4 @@ void serialEvent(Serial port){
inData = inData.substring(1); // cut off the leading 'Q'
IBI = int(inData); // convert the string to usable int
}
}
}