mirror of https://github.com/rusefi/rusefi.git
57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
/**
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*
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* https://github.com/wdalmut/libgps/tree/develop/src
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*
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*/
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#pragma once
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#include "rusefi_types.h"
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#define GPS_MAX_STRING 256
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typedef enum {
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NMEA_UNKNOWN = 0x00,
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NMEA_GPRMC = 0x01,
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NMEA_GPGGA = 0x02
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} nmea_message_type;
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#define _EMPTY 0x00
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#define NMEA_GPRMC_STR "$GPRMC"
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#define NMEA_GPGGA_STR "$GPGGA"
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#define _COMPLETED 0x03
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#define NMEA_CHECKSUM_ERR 0x80
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#define NMEA_MESSAGE_ERR 0xC0
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struct GPSlocation {
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float latitude;
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float longitude;
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float speed;
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float altitude;
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float course;
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efidatetime_t time;
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nmea_message_type type;
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int quality;
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int satellites;
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char lat; // Northing Indicator N=North, S=South
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char lon; // Easting Indicator E=East, W=West
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};
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typedef struct GPSlocation loc_t;
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nmea_message_type nmea_get_message_type(const char *);
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int nmea_valid_checksum(const char *);
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void gps_location(loc_t *, char const * const);
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static int str2int(const char * a, const int len) {
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int i = 0, k = 0;
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while (i < len) {
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k = (k << 3) + (k << 1) + (*a) - '0';
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a++;
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i++;
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}
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return k;
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}
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