First commit, working build.

lib/Adafruit-GPS-Library/examples/flora_gpslog/flora_gpslog.ino

@@ -0,0 +1,81 @@
+#include <Adafruit_GPS.h>
+#include <SoftwareSerial.h>
+Adafruit_GPS GPS(&Serial1);
+
+// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console
+// Set to 'true' if you want to debug and listen to the raw GPS sentences
+#define GPSECHO  true
+
+// this keeps track of whether we're using the interrupt
+// off by default!
+boolean usingInterrupt = false;
+
+void setup()  
+{    
+  //while (!Serial);
+  // connect at 115200 so we can read the GPS fast enuf and
+  // also spit it out
+  Serial.begin(115200);
+  Serial.println("Adafruit GPS logging start test!");
+
+  // 9600 NMEA is the default baud rate for MTK - some use 4800
+  GPS.begin(9600);
+  
+  // You can adjust which sentences to have the module emit, below
+  // Default is RMC + GGA
+  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
+  // Default is 1 Hz update rate
+  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
+
+  // the nice thing about this code is you can have a timer0 interrupt go off
+  // every 1 millisecond, and read data from the GPS for you. that makes the
+  // loop code a heck of a lot easier!
+  useInterrupt(true);
+
+  delay(500);
+  while (true) {
+    Serial.print("Starting logging....");
+    if (GPS.LOCUS_StartLogger()) {
+      Serial.println(" STARTED!");
+      break;
+    } else {
+      Serial.println(" no response :(");
+    }
+  }
+}
+
+
+
+void loop()                     // run over and over again
+{
+  pinMode(7, OUTPUT);
+  digitalWrite(7, HIGH);
+  delay(200);
+  digitalWrite(7, LOW);
+  delay(200);
+}
+
+/******************************************************************/
+// Interrupt is called once a millisecond, looks for any new GPS data, and stores it
+SIGNAL(TIMER0_COMPA_vect) {
+  char c = GPS.read();
+  // if you want to debug, this is a good time to do it!
+  if (GPSECHO)
+    if (c) Serial.print(c);  
+}
+
+void useInterrupt(boolean v) {
+  if (v) {
+    // Timer0 is already used for millis() - we'll just interrupt somewhere
+    // in the middle and call the "Compare A" function above
+    OCR0A = 0xAF;
+    TIMSK0 |= _BV(OCIE0A);
+    usingInterrupt = true;
+  } else {
+    // do not call the interrupt function COMPA anymore
+    TIMSK0 &= ~_BV(OCIE0A);
+    usingInterrupt = false;
+  }
+}
+
+