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Parse GPS String for Time and Coordinates

Code

#include <stdio.h>
#include <string.h>

void parse_gprmc(char *nmea) {
    // Your logic here
    const char delimiter[] = ",";
    char *token;

    token = strtok(nmea, delimiter);

    char *time_str = strtok(NULL, delimiter);

    token = strtok(NULL, delimiter);


    char *latitude_str = strtok(NULL, delimiter);
    char *ns_indicator = strtok(NULL, delimiter);

    char *longitude_str = strtok(NULL, delimiter);
    char *ew_indicator = strtok(NULL, delimiter);
    

    printf("Time: %c%c:%c%c:%c%c\n", time_str[0], time_str[1], time_str[2], time_str[3], time_str[4], time_str[5]);
    printf("Latitude: %s %s\n", latitude_str, ns_indicator);
    printf("Longitude: %s %s\n", longitude_str, ew_indicator);
}

int main() {
    char nmea[100];
    fgets(nmea, sizeof(nmea), stdin);
    parse_gprmc(nmea);
    return 0;
}

Solving Approach

 

 

 

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Input

$GPRMC,123519,A,4807.038,N,01131.000,E

Expected Output

Time: 12:35:19 Latitude: 4807.038 N Longitude: 01131.000 E