Diff: app/l86.hpp

Revision:

13:66d854ad31d8

Parent:

11:f2a7f98cc9bf

Child:

15:b4d11baea8bc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/l86.hpp	Fri Nov 24 15:20:12 2017 +0000
@@ -0,0 +1,74 @@
+/*
+ * l86.h
+ * Author: Rishin Amin
+ * library header file for communication with the Quectel L86 MT33 GPS module
+ *
+ */
+
+#ifndef l86_hpp
+#define l86_hpp
+
+#define DEBUGGER // uncomment to output serial data to PC
+
+/*      PIN DEFINITIONS      */
+// #define RESET_PIN       PB_14
+// #define FORCE_ON_PIN    PB_15
+// #define ONEPPS_PIN      PA_8
+#define GPS_RX          PA_10
+#define GPS_TX          PA_9
+#define PC_RX           PC_5
+#define PC_TX           PC_4
+#define GPS_STATUS_LED  LED1
+
+/* PMTK MMESSAGE DEFINITIONS */
+#define MAX_NMEA_LENGTH  82         // maximum length of an NMEA sentence
+#define PMTK_SET_NMEA_OUTPUT_RMC    "$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29\r\n"
+#define PMTK_SET_UPDATE_F_2HZ       "$PMTK300,500,0,0,0,0*28\r\n" 
+#define PMTK_COLD_RESTART           "$PMTK104*37\r\n"
+#define PMTK_WARM_START             "$PMTK102*31\r\n"
+#define PMTK_HOT_START              "$PMTK101*32\r\n"
+#define PMTK_ALWAYS_LOCATE_STANDDBY "$PMTK225,8*23\r\n"
+#define PMTK_ALWAYS_LOCATE_BACKUP   "$PMTK225,922\r\n*"
+#define PMTK_STANDBY_MODE           "$PMTK161,0*28\r\n" // Any UART data will retrun to Full-on mode
+#define PMTK_BACKUP_MODE            "$PMTK225,4*2F\r\n" // Force_on must be low before entering backup mode!
+                                                        // Pull Force_on high to exit backup mode 
+
+
+
+static const char GPRMC_Tag[] = "$GPRMC";
+static const char GNRMC_Tag[] = "$GNRMC";
+
+typedef struct RMC_data
+{
+    char Message[MAX_NMEA_LENGTH];  /* Un-parsed NMEA sentence */
+    char Message_ID[7];             /* RMC Protocol header */
+    char UTC_Time[11];              /* hhmmss.sss */
+    char Status[2];                 /* A = data valid, V = data NOT valid */
+    char Latitude[10];              /* ddmm.mmmm */
+    char N_S_Indicator[3];          /* N = North, S = South */
+    char Longitude[11];             /* dddmm.mmmm */
+    char E_W_Indicator[3];          /* E = East, W = West */
+    char Speed_Over_Ground[5];      /* In Knots */
+    char Course_Over_Ground[7];     /* Degrees */
+    char Date[7];                   /* ddmmyy */
+    char Mode[5];                   /* N = No Fix, A = autonomous mode, D = Differential mode + checksum */
+}RMC_data;
+
+typedef struct GPS_data
+{
+    char UTC_Time[11];
+    char Latitude[11];
+    char Longitude[12];
+    char Speed_Over_Ground[5];
+    char Course_Over_Ground[7];
+    char Date[7];
+    char Valid[2];
+}GPS_data;
+
+RMC_data Parse_RMC_sentence(char RMC_sentence[MAX_NMEA_LENGTH]);
+void Print_RMC_data(RMC_data *RMC_data_print);
+GPS_data Parse_RMC_data(RMC_data RMC_parsed);
+void Print_GPS_data(GPS_data GPS_data_print);
+
+#endif
+