patch for adafruit/MAX31850_DallasTemp issue #1

max31850_conversion_time_fix.patch

--- MAX31850_DallasTemp.cpp.ORIG	2015-04-01 08:09:15.000000000 +1300
+++ MAX31850_DallasTemp.cpp	2018-08-17 17:03:54.633771256 +1200
@@ -371,25 +371,29 @@
 	  	unsigned long start = millis();
 		while(!isConversionAvailable(0) && ((millis() - start) < 750));	
 	}
-	
-  	// Wait a fix number of cycles till conversion is complete (based on IC datasheet)
-	  switch (*bitResolution)
+
+  	// Wait a fixed number of cycles till conversion is complete (based on IC datasheets)
+	  if(deviceAddress[0] == MAX31850MODEL)
+	    delay(100);
+	  else  // DS18B20
 	  {
-	    case 9:
-	      delay(94);
-	      break;
-	    case 10:
-	      delay(188);
-	      break;
-	    case 11:
-	      delay(375);
-	      break;
-	    case 12:
-	    default:
-	      delay(750);
-	      break;
+	    switch (*bitResolution)
+	    {
+	      case 9:
+		delay(94);
+		break;
+	      case 10:
+		delay(188);
+		break;
+	      case 11:
+		delay(375);
+		break;
+	      case 12:
+	      default:
+		delay(750);
+		break;
+	    }
 	  }
-
 }
 
 // sends command for one device to perform a temp conversion by index