VFD modular clock firmware
Dependencies: DipCortex-EEprom RTC flw mbed
gps.h@9:4bb5c30a475f, 2015-02-20 (annotated)
- Committer:
- Backstrom
- Date:
- Fri Feb 20 10:08:50 2015 +0000
- Revision:
- 9:4bb5c30a475f
- Parent:
- 0:f6e68b4ce169
Update flw library.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Backstrom | 0:f6e68b4ce169 | 1 | /* |
Backstrom | 0:f6e68b4ce169 | 2 | * GPS support for VFD Modular Clock |
Backstrom | 0:f6e68b4ce169 | 3 | * (C) 2012 William B Phelps |
Backstrom | 0:f6e68b4ce169 | 4 | * |
Backstrom | 0:f6e68b4ce169 | 5 | * mbed Port (C) 2014 Akafugu Corporation |
Backstrom | 0:f6e68b4ce169 | 6 | * |
Backstrom | 0:f6e68b4ce169 | 7 | * This program is free software; you can redistribute it and/or modify it under the |
Backstrom | 0:f6e68b4ce169 | 8 | * terms of the GNU General Public License as published by the Free Software |
Backstrom | 0:f6e68b4ce169 | 9 | * Foundation; either version 2 of the License, or (at your option) any later |
Backstrom | 0:f6e68b4ce169 | 10 | * version. |
Backstrom | 0:f6e68b4ce169 | 11 | * |
Backstrom | 0:f6e68b4ce169 | 12 | * This program is distributed in the hope that it will be useful, but WITHOUT ANY |
Backstrom | 0:f6e68b4ce169 | 13 | * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
Backstrom | 0:f6e68b4ce169 | 14 | * PARTICULAR PURPOSE. See the GNU General Public License for more details. |
Backstrom | 0:f6e68b4ce169 | 15 | * |
Backstrom | 0:f6e68b4ce169 | 16 | */ |
Backstrom | 0:f6e68b4ce169 | 17 | |
Backstrom | 0:f6e68b4ce169 | 18 | #ifndef GPS_H_ |
Backstrom | 0:f6e68b4ce169 | 19 | #define GPS_H_ |
Backstrom | 0:f6e68b4ce169 | 20 | |
Backstrom | 0:f6e68b4ce169 | 21 | #ifdef HAVE_GPS |
Backstrom | 0:f6e68b4ce169 | 22 | |
Backstrom | 0:f6e68b4ce169 | 23 | #include "mbed.h" |
Backstrom | 0:f6e68b4ce169 | 24 | |
Backstrom | 0:f6e68b4ce169 | 25 | //convenience macro to convert to and from tm years |
Backstrom | 0:f6e68b4ce169 | 26 | #define tmYearToY2k(Y) ((Y) - 100) // offset is from 1900 |
Backstrom | 0:f6e68b4ce169 | 27 | #define y2kYearToTm(Y) ((Y) + 100) |
Backstrom | 0:f6e68b4ce169 | 28 | |
Backstrom | 0:f6e68b4ce169 | 29 | // String buffer size: |
Backstrom | 0:f6e68b4ce169 | 30 | #define GPSBUFFERSIZE 96 |
Backstrom | 0:f6e68b4ce169 | 31 | //The year the clock was programmed, used for error checking |
Backstrom | 0:f6e68b4ce169 | 32 | #define PROGRAMMING_YEAR 14 |
Backstrom | 0:f6e68b4ce169 | 33 | |
Backstrom | 0:f6e68b4ce169 | 34 | #define SECS_PER_HOUR (3600UL) |
Backstrom | 0:f6e68b4ce169 | 35 | |
Backstrom | 0:f6e68b4ce169 | 36 | extern unsigned long tGPSupdate; // really time_t |
Backstrom | 0:f6e68b4ce169 | 37 | |
Backstrom | 0:f6e68b4ce169 | 38 | // we double buffer: read into one line and leave one for the main program |
Backstrom | 0:f6e68b4ce169 | 39 | //extern volatile char gpsBuffer1[GPSBUFFERSIZE]; |
Backstrom | 0:f6e68b4ce169 | 40 | //extern volatile char gpsBuffer2[GPSBUFFERSIZE]; |
Backstrom | 0:f6e68b4ce169 | 41 | // our index into filling the current line |
Backstrom | 0:f6e68b4ce169 | 42 | //extern volatile uint8_t gpsBufferPtr; |
Backstrom | 0:f6e68b4ce169 | 43 | // pointers to the double buffers |
Backstrom | 0:f6e68b4ce169 | 44 | //extern volatile char *gpsNextBuffer; |
Backstrom | 0:f6e68b4ce169 | 45 | //extern volatile char *gpsLastBuffer; |
Backstrom | 0:f6e68b4ce169 | 46 | //extern volatile uint8_t gpsDataReady_; |
Backstrom | 0:f6e68b4ce169 | 47 | |
Backstrom | 0:f6e68b4ce169 | 48 | //GPS serial data handling functions: |
Backstrom | 0:f6e68b4ce169 | 49 | uint8_t gpsDataReady(void); |
Backstrom | 0:f6e68b4ce169 | 50 | void GPSread(char c); |
Backstrom | 0:f6e68b4ce169 | 51 | char *gpsNMEA(void); |
Backstrom | 0:f6e68b4ce169 | 52 | time_t parseGPSdata(char *gpsBuffer, bool& error, bool& fix, int8_t tzh, uint8_t tzm); |
Backstrom | 0:f6e68b4ce169 | 53 | |
Backstrom | 0:f6e68b4ce169 | 54 | uint8_t leapyear(uint16_t y); |
Backstrom | 0:f6e68b4ce169 | 55 | void gps_init(); |
Backstrom | 0:f6e68b4ce169 | 56 | |
Backstrom | 0:f6e68b4ce169 | 57 | #endif // HAVE_GPS |
Backstrom | 0:f6e68b4ce169 | 58 | #endif // GPS_H_ |