Merge pull request #89 from OnFreund/master

Support a stream for serial

Author: ladyada

Adafruit_Fingerprint.cpp

@@ -93,6 +93,27 @@ Adafruit_Fingerprint::Adafruit_Fingerprint(HardwareSerial *hs,
   mySerial = hwSerial;
 }
 
+/**************************************************************************/
+/*!
+    @brief  Instantiates sensor with a stream for Serial
+    @param  serial Pointer to a Stream object
+    @param  password 32-bit integer password (default is 0)
+
+*/
+/**************************************************************************/
+
+Adafruit_Fingerprint::Adafruit_Fingerprint(Stream *serial, uint32_t password) {
+
+  thePassword = password;
+  theAddress = 0xFFFFFFFF;
+
+  hwSerial = NULL;
+#if defined(__AVR__) || defined(ESP8266) || defined(FREEDOM_E300_HIFIVE1)
+  swSerial = NULL;
+#endif
+  mySerial = serial;
+}
+
 /**************************************************************************/
 /*!
     @brief  Initializes serial interface and baud rate

Adafruit_Fingerprint.h

@@ -132,6 +132,7 @@ class Adafruit_Fingerprint {
   Adafruit_Fingerprint(SoftwareSerial *ss, uint32_t password = 0x0);
 #endif
   Adafruit_Fingerprint(HardwareSerial *hs, uint32_t password = 0x0);
+  Adafruit_Fingerprint(Stream *serial, uint32_t password = 0x0);
 
   void begin(uint32_t baud);