GPS working with LoRa code - can't transmit faster that once every 6 seconds

Dependencies:   mbed LoRaWAN-lib_gps_lora SingleFrequencyLora

Committer:
Rishin
Date:
Wed Nov 15 15:27:36 2017 +0000
Revision:
11:f2a7f98cc9bf
Parent:
10:0b5a507b4a4d
Fixed issue with GPS parsing - RMC was not completely filled => causing problems

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rishin 5:850a9db98a41 1 /*
Rishin 5:850a9db98a41 2 * l86.h
Rishin 5:850a9db98a41 3 * Author: Rishin Amin
Rishin 5:850a9db98a41 4 * library header file for communication with the Quectel L86 MT33 GPS module
Rishin 5:850a9db98a41 5 *
Rishin 5:850a9db98a41 6 */
Rishin 5:850a9db98a41 7
Rishin 5:850a9db98a41 8 #ifndef l86_hpp
Rishin 5:850a9db98a41 9 #define l86_hpp
Rishin 5:850a9db98a41 10
Rishin 5:850a9db98a41 11 #define DEBUGGER // uncomment to output serial data to PC
Rishin 5:850a9db98a41 12
Rishin 6:670ff1507ff4 13 /* PIN DEFINITIONS */
Rishin 6:670ff1507ff4 14 #define RESET_PIN PB_14
Rishin 6:670ff1507ff4 15 #define FORCE_ON_PIN PB_15
Rishin 6:670ff1507ff4 16 #define ONEPPS_PIN PA_8
Rishin 6:670ff1507ff4 17 #define GPS_RX PA_10
Rishin 6:670ff1507ff4 18 #define GPS_TX PA_9
Rishin 6:670ff1507ff4 19 #define PC_RX PC_5
Rishin 6:670ff1507ff4 20 #define PC_TX PC_4
Rishin 6:670ff1507ff4 21 #define GPS_STATUS_LED LED1
Rishin 6:670ff1507ff4 22
Rishin 6:670ff1507ff4 23 /* PMTK MMESSAGE DEFINITIONS */
Rishin 6:670ff1507ff4 24 #define MAX_NMEA_LENGTH 82 // maximum length of an NMEA sentence
Rishin 5:850a9db98a41 25 #define PMTK_SET_NMEA_OUTPUT_RMC "$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29\r\n"
Rishin 5:850a9db98a41 26 #define PMTK_SET_UPDATE_F_2HZ "$PMTK300,500,0,0,0,0*28\r\n"
Rishin 6:670ff1507ff4 27 #define PMTK_COLD_RESTART "$PMTK104*37\r\n"
Rishin 6:670ff1507ff4 28 #define PMTK_WARM_START "$PMTK102*31\r\n"
Rishin 6:670ff1507ff4 29 #define PMTK_HOT_START "$PMTK101*32\r\n"
Rishin 6:670ff1507ff4 30 #define PMTK_ALWAYS_LOCATE_STANDDBY "$PMTK225,8*23\r\n"
Rishin 6:670ff1507ff4 31 #define PMTK_ALWAYS_LOCATE_BACKUP "$PMTK225,922\r\n*"
Rishin 7:1c90f51096fe 32 #define PMTK_STANDBY_MODE "$PMTK161,0*28\r\n" // Any UART data will retrun to Full-on mode
Rishin 6:670ff1507ff4 33 #define PMTK_BACKUP_MODE "$PMTK225,4*2F\r\n" // Force_on must be low before entering backup mode!
Rishin 6:670ff1507ff4 34 // Pull Force_on high to exit backup mode
Rishin 6:670ff1507ff4 35
Rishin 6:670ff1507ff4 36
Rishin 5:850a9db98a41 37
Rishin 5:850a9db98a41 38 static const char GPRMC_Tag[] = "$GPRMC";
Rishin 5:850a9db98a41 39 static const char GNRMC_Tag[] = "$GNRMC";
Rishin 5:850a9db98a41 40
Rishin 5:850a9db98a41 41 typedef struct RMC_data
Rishin 5:850a9db98a41 42 {
Rishin 5:850a9db98a41 43 char Message[MAX_NMEA_LENGTH]; /* Un-parsed NMEA sentence */
Rishin 5:850a9db98a41 44 char Message_ID[7]; /* RMC Protocol header */
Rishin 5:850a9db98a41 45 char UTC_Time[11]; /* hhmmss.sss */
Rishin 5:850a9db98a41 46 char Status[2]; /* A = data valid, V = data NOT valid */
Rishin 5:850a9db98a41 47 char Latitude[10]; /* ddmm.mmmm */
Rishin 5:850a9db98a41 48 char N_S_Indicator[3]; /* N = North, S = South */
Rishin 5:850a9db98a41 49 char Longitude[11]; /* dddmm.mmmm */
Rishin 5:850a9db98a41 50 char E_W_Indicator[3]; /* E = East, W = West */
Rishin 5:850a9db98a41 51 char Speed_Over_Ground[5]; /* In Knots */
Rishin 5:850a9db98a41 52 char Course_Over_Ground[7]; /* Degrees */
Rishin 5:850a9db98a41 53 char Date[7]; /* ddmmyy */
Rishin 6:670ff1507ff4 54 char Mode[5]; /* N = No Fix, A = autonomous mode, D = Differential mode + checksum */
Rishin 7:1c90f51096fe 55 }RMC_data;
Rishin 5:850a9db98a41 56
Rishin 10:0b5a507b4a4d 57 typedef struct GPS_data
Rishin 10:0b5a507b4a4d 58 {
Rishin 11:f2a7f98cc9bf 59 char UTC_Time[11];
Rishin 11:f2a7f98cc9bf 60 char Latitude[11];
Rishin 11:f2a7f98cc9bf 61 char Longitude[12];
Rishin 11:f2a7f98cc9bf 62 char Speed_Over_Ground[5];
Rishin 11:f2a7f98cc9bf 63 char Course_Over_Ground[7];
Rishin 11:f2a7f98cc9bf 64 char Date[7];
Rishin 10:0b5a507b4a4d 65 char Valid[2];
Rishin 10:0b5a507b4a4d 66 }GPS_data;
Rishin 10:0b5a507b4a4d 67
Rishin 10:0b5a507b4a4d 68 RMC_data Parse_RMC_sentence(char RMC_sentence[MAX_NMEA_LENGTH]);
Rishin 7:1c90f51096fe 69 void Print_RMC_data(RMC_data *RMC_data_print);
Rishin 10:0b5a507b4a4d 70 GPS_data Parse_RMC_data(RMC_data RMC_parsed);
Rishin 10:0b5a507b4a4d 71 void Print_GPS_data(GPS_data GPS_data_print);
Rishin 5:850a9db98a41 72
Rishin 5:850a9db98a41 73 #endif
Rishin 5:850a9db98a41 74