Diff: gps.h

Revision:

0:f6e68b4ce169

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gps.h	Mon Feb 09 13:40:46 2015 +0000
@@ -0,0 +1,58 @@
+/*
+ * GPS support for VFD Modular Clock
+ * (C) 2012 William B Phelps
+ *
+ * mbed Port (C) 2014 Akafugu Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ */
+
+#ifndef GPS_H_
+#define GPS_H_
+
+#ifdef HAVE_GPS
+
+#include "mbed.h"
+
+//convenience macro to convert to and from tm years
+#define  tmYearToY2k(Y)      ((Y) - 100)    // offset is from 1900
+#define  y2kYearToTm(Y)      ((Y) + 100)
+
+// String buffer size:
+#define GPSBUFFERSIZE 96 
+//The year the clock was programmed, used for error checking
+#define PROGRAMMING_YEAR 14
+
+#define SECS_PER_HOUR (3600UL)
+
+extern unsigned long tGPSupdate;  // really time_t
+
+// we double buffer: read into one line and leave one for the main program
+//extern volatile char gpsBuffer1[GPSBUFFERSIZE];
+//extern volatile char gpsBuffer2[GPSBUFFERSIZE];
+// our index into filling the current line
+//extern volatile uint8_t gpsBufferPtr;
+// pointers to the double buffers
+//extern volatile char *gpsNextBuffer;
+//extern volatile char *gpsLastBuffer;
+//extern volatile uint8_t gpsDataReady_;
+
+//GPS serial data handling functions:
+uint8_t gpsDataReady(void);
+void GPSread(char c);
+char *gpsNMEA(void);
+time_t parseGPSdata(char *gpsBuffer, bool& error, bool& fix, int8_t tzh, uint8_t tzm);
+
+uint8_t leapyear(uint16_t y);
+void gps_init();
+
+#endif // HAVE_GPS
+#endif // GPS_H_