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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 231 | killagreg | 1 | #ifndef _UBX_H |
| 2 | #define _UBX_H |
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| 3 | |||
| 4 | #include <inttypes.h> |
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| 5 | |||
| 6 | |||
| 7 | typedef enum |
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| 8 | { |
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| 9 | INVALID, |
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| 10 | NEWDATA, |
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| 11 | PROCESSED |
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| 12 | } Status_t; |
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| 13 | |||
| 14 | // Satfix types for GPSData.satfix |
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| 15 | #define SATFIX_NONE 0x00 |
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| 16 | #define SATFIX_DEADRECKOING 0x01 |
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| 17 | #define SATFIX_2D 0x02 |
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| 18 | #define SATFIX_3D 0x03 |
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| 19 | #define SATFIX_GPS_DEADRECKOING 0x04 |
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| 20 | #define SATFIX_TIMEONLY 0x05 |
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| 21 | // Flags for interpretation of the GPSData.flags |
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| 22 | #define FLAG_GPSFIXOK 0x01 // (i.e. within DOP & ACC Masks) |
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| 23 | #define FLAG_DIFFSOLN 0x02 // (is DGPS used) |
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| 24 | #define FLAG_WKNSET 0x04 // (is Week Number valid) |
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| 25 | #define FLAG_TOWSET 0x08 // (is Time of Week valid) |
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| 26 | |||
| 27 | |||
| 28 | /* enable the UBX protocol at the gps receiver with the following messages enabled |
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| 29 | 01-02 NAV - POSLLH |
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| 30 | 01-06 Nav - SOL |
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| 31 | 01-12 NAV - VELNED */ |
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| 32 | |||
| 33 | typedef struct |
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| 34 | { |
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| 35 | uint8_t flags; // flags |
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| 36 | uint8_t satnum; // number of satelites |
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| 37 | uint8_t satfix; // type of satfix |
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| 38 | int32_t longitude; // in 1e-07 deg |
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| 39 | int32_t latitude; // in 1e-07 deg |
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| 40 | int32_t altitude; // in mm |
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| 41 | uint32_t PAcc; // in cm 3d position accuracy |
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| 42 | int32_t velnorth; // in cm/s |
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| 43 | int32_t veleast; // in cm/s |
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| 44 | int32_t veltop; // in cm/s |
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| 45 | uint32_t velground; // 2D ground speed in cm/s |
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| 46 | uint32_t VAcc; // in cm/s 3d velocity accuracy |
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| 47 | Status_t status; // status of data: invalid | valid |
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| 48 | } GPS_INFO_t; |
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| 49 | |||
| 50 | //here you will find the current gps info |
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| 51 | extern GPS_INFO_t GPSInfo; // measured position (last gps record) |
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| 52 | |||
| 53 | // this variable should be decremted by the application |
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| 54 | extern volatile uint8_t GPSTimeout; // is reset to 255 if a new UBX msg was received |
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| 55 | |||
| 56 | // this function should be called within the UART RX ISR |
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| 57 | extern void ubx_parser(uint8_t c); |
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| 58 | |||
| 59 | #endif //_UBX_H |