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Parse GPS String for Time and Coordinates

Code

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

void print_time(char nmea[6][10]){
  printf("Time: %c%c:%c%c:%c%c\n", nmea[0][0], nmea[0][1],nmea[0][2],nmea[0][3],nmea[0][4],nmea[0][5]); 
}

void print_latitude(char nmea[6][10]){
  printf("Latitude: %s %s\n", nmea[2], nmea[3]);  
}

void print_longitude(char nmea[6][10]){
  printf("Longitude: %s %s\n", nmea[4], nmea[5]);  
}

void parse_gprmc(char *nmea){
  
    char tokens[6][10];
    uint8_t row = 0; 
    uint8_t column = 0; 
    char *ptr = nmea;
    
    ptr += 7;
    
    while(*ptr != 0){
        
        
        
        if(*ptr != ','){
          
            tokens[row][column] = *ptr;
            column++;
        }
        else{
            tokens[row][column] = '\0';
            row++;
            column = 0;
        }

        ptr++;
    }
    
    if(*ptr == '\0'){
      tokens[row][column] = '\0';  
    }
    
    print_time(tokens);
    print_latitude(tokens);
    print_longitude(tokens);

}

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