| 0,0 → 1,77 |
|---|
| /*Z dane NMEA zpravy vypreparuje potrebne informace*/ |
| /*Autor: Zbynek*/ |
| #include "GPS_dekoduj.h" |
| #include <string.h> |
| NMEA_GPRMC GPRMC_informace; |
| |
| /************************************************************************ |
| * Funkce: dekoduj_zpravu_GPS |
| * Ucel: Z RX0_buffer vytahne informace o soucasne poloze, je tam ulozena cela veta RMC |
| * Vstup: Zadny |
| * Vystup: Zadny |
| ************************************************************************/ |
| void dekoduj_zpravu_GPS (uint8_t* NMEA_retezec, uint8_t NMEA_delka) |
| { |
| |
| uint8_t i = 0, j = 0, k = 0, l = 0, m = 0; |
| uint8_t pocet_carek = 0; |
| uint8_t po_tecce = 0; |
| for ( i = 0; i < NMEA_delka; i++) |
| { |
| if (pocet_carek == 1) |
| { |
| |
| if(NMEA_retezec[i] == '.') |
| po_tecce = 1; |
| if (po_tecce == 0) |
| { |
| if (j == 2 || j == 5) |
| { |
| GPRMC_informace.UTC_time[j] = ':'; |
| j++; |
| } |
| GPRMC_informace.UTC_time[j] = NMEA_retezec[i]; |
| j++; |
| } |
| } |
| else if (pocet_carek == 2) |
| { |
| GPRMC_informace.Status_GPS[0] = NMEA_retezec[i-1]; |
| } |
| else if (pocet_carek == 3 || pocet_carek == 4) |
| { |
| GPRMC_informace.Latitude[k] = NMEA_retezec[i]; |
| k++; |
| } |
| else if (pocet_carek == 5 || pocet_carek == 6) |
| { |
| GPRMC_informace.Longitude[l] = NMEA_retezec[i]; |
| l++; |
| } |
| else if (pocet_carek == 9) |
| { |
| if (m == 2 || m == 5) |
| { |
| GPRMC_informace.Datum[m] = '.'; |
| m++; |
| } |
| GPRMC_informace.Datum[m] = NMEA_retezec[i]; |
| m++; |
| } |
| if (NMEA_retezec[i] == ',') |
| { |
| pocet_carek++; |
| } |
| if (pocet_carek >9) |
| { |
| GPRMC_informace.UTC_time[j] = 0; |
| GPRMC_informace.Latitude[k-1] = 0; |
| GPRMC_informace.Longitude[l-1] = 0; |
| GPRMC_informace.Datum[m-1] = 0; |
| GPRMC_informace.Status_GPS[1] = 0; |
| i = 0, j = 0, k = 0, l = 0, m = 0; |
| po_tecce = 0; |
| break; // nema vyznam dal zapisovat, potrebne je ulozeno. |
| } |
| } |
| } |