GPS handling library
Dependents: LoRaWAN-NAMote72-Application-Demo-good LoRaWAN-gps-cayenne LoRaWAN-NAMote72-Application-Demo
Fork of lib_gps by
gps.h@0:0bd73064b7f6, 2015-03-18 (annotated)
- Committer:
- dudmuck
- Date:
- Wed Mar 18 00:55:27 2015 +0000
- Revision:
- 0:0bd73064b7f6
- Child:
- 1:2f5fbb33ae8b
NMEA GPS receiver
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dudmuck | 0:0bd73064b7f6 | 1 | |
dudmuck | 0:0bd73064b7f6 | 2 | /*! |
dudmuck | 0:0bd73064b7f6 | 3 | * Generic definition |
dudmuck | 0:0bd73064b7f6 | 4 | */ |
dudmuck | 0:0bd73064b7f6 | 5 | #ifndef SUCCESS |
dudmuck | 0:0bd73064b7f6 | 6 | #define SUCCESS 1 |
dudmuck | 0:0bd73064b7f6 | 7 | #endif |
dudmuck | 0:0bd73064b7f6 | 8 | |
dudmuck | 0:0bd73064b7f6 | 9 | #ifndef FAIL |
dudmuck | 0:0bd73064b7f6 | 10 | #define FAIL 0 |
dudmuck | 0:0bd73064b7f6 | 11 | #endif |
dudmuck | 0:0bd73064b7f6 | 12 | |
dudmuck | 0:0bd73064b7f6 | 13 | #define NUM_RX_BUFS 6 |
dudmuck | 0:0bd73064b7f6 | 14 | #define RX_BUF_SIZE 96 |
dudmuck | 0:0bd73064b7f6 | 15 | |
dudmuck | 0:0bd73064b7f6 | 16 | /* Structure to handle the GPS parsed data in ASCII */ |
dudmuck | 0:0bd73064b7f6 | 17 | typedef struct |
dudmuck | 0:0bd73064b7f6 | 18 | { |
dudmuck | 0:0bd73064b7f6 | 19 | char NmeaDataType[6]; |
dudmuck | 0:0bd73064b7f6 | 20 | char NmeaUtcTime[11]; |
dudmuck | 0:0bd73064b7f6 | 21 | char NmeaDataStatus[2]; |
dudmuck | 0:0bd73064b7f6 | 22 | char NmeaLatitude[10]; |
dudmuck | 0:0bd73064b7f6 | 23 | char NmeaLatitudePole[2]; |
dudmuck | 0:0bd73064b7f6 | 24 | char NmeaLongitude[11]; |
dudmuck | 0:0bd73064b7f6 | 25 | char NmeaLongitudePole[2]; |
dudmuck | 0:0bd73064b7f6 | 26 | char NmeaFixQuality[2]; |
dudmuck | 0:0bd73064b7f6 | 27 | char NmeaSatelliteTracked[3]; |
dudmuck | 0:0bd73064b7f6 | 28 | char NmeaHorizontalDilution[6]; |
dudmuck | 0:0bd73064b7f6 | 29 | char NmeaAltitude[8]; |
dudmuck | 0:0bd73064b7f6 | 30 | char NmeaAltitudeUnit[2]; |
dudmuck | 0:0bd73064b7f6 | 31 | char NmeaHeightGeoid[8]; |
dudmuck | 0:0bd73064b7f6 | 32 | char NmeaHeightGeoidUnit[2]; |
dudmuck | 0:0bd73064b7f6 | 33 | char NmeaSpeed[8]; |
dudmuck | 0:0bd73064b7f6 | 34 | char NmeaDetectionAngle[8]; |
dudmuck | 0:0bd73064b7f6 | 35 | char NmeaDate[8]; |
dudmuck | 0:0bd73064b7f6 | 36 | }tNmeaGpsData; |
dudmuck | 0:0bd73064b7f6 | 37 | |
dudmuck | 0:0bd73064b7f6 | 38 | class GPS { |
dudmuck | 0:0bd73064b7f6 | 39 | public: |
dudmuck | 0:0bd73064b7f6 | 40 | GPS(); |
dudmuck | 0:0bd73064b7f6 | 41 | ~GPS(); |
dudmuck | 0:0bd73064b7f6 | 42 | void enable(bool); |
dudmuck | 0:0bd73064b7f6 | 43 | bool enabled(void); |
dudmuck | 0:0bd73064b7f6 | 44 | void service(void); |
dudmuck | 0:0bd73064b7f6 | 45 | void init(void); |
dudmuck | 0:0bd73064b7f6 | 46 | |
dudmuck | 0:0bd73064b7f6 | 47 | double Latitude, Longitude; |
dudmuck | 0:0bd73064b7f6 | 48 | char verbose; // flag |
dudmuck | 0:0bd73064b7f6 | 49 | tNmeaGpsData NmeaGpsData; |
dudmuck | 0:0bd73064b7f6 | 50 | int32_t LatitudeBinary, LongitudeBinary; |
dudmuck | 0:0bd73064b7f6 | 51 | |
dudmuck | 0:0bd73064b7f6 | 52 | private: |
dudmuck | 0:0bd73064b7f6 | 53 | int ParseGPSData(int idx); |
dudmuck | 0:0bd73064b7f6 | 54 | bool NmeaValidateChecksum(int idx); |
dudmuck | 0:0bd73064b7f6 | 55 | int NmeaChecksum( char *nmeaStr, uint8_t nmeaStrSize, char * checksum ); |
dudmuck | 0:0bd73064b7f6 | 56 | void on_uart_rx(void); |
dudmuck | 0:0bd73064b7f6 | 57 | uint8_t rx_buf_lens[NUM_RX_BUFS]; |
dudmuck | 0:0bd73064b7f6 | 58 | uint8_t rx_bufs_in_idx; |
dudmuck | 0:0bd73064b7f6 | 59 | uint8_t rx_bufs_out_idx; |
dudmuck | 0:0bd73064b7f6 | 60 | char rx_bufs[NUM_RX_BUFS][RX_BUF_SIZE]; |
dudmuck | 0:0bd73064b7f6 | 61 | void ConvertPositionFromStringToNumerical( ); |
dudmuck | 0:0bd73064b7f6 | 62 | void ConvertPositionIntoBinary( ); |
dudmuck | 0:0bd73064b7f6 | 63 | void pps(void); |
dudmuck | 0:0bd73064b7f6 | 64 | bool pps_occurred; |
dudmuck | 0:0bd73064b7f6 | 65 | }; |
dudmuck | 0:0bd73064b7f6 | 66 |