Michael Antonucci / Mbed 2 deprecated Assignment4_1

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Dependencies:   mbed

main.cpp@0:8419f38ed886, 2022-10-28 (annotated)

Committer:
michael_antonucci
Date:
Fri Oct 28 22:16:36 2022 +0000
Revision:
0:8419f38ed886
Fully working and commented code. GRADE THIS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michael_antonucci 0:8419f38ed886 1 //Michael Antonucci
michael_antonucci 0:8419f38ed886 2 //Last modified Oct. 27, 2022
michael_antonucci 0:8419f38ed886 3 //Assignment 4, Exercise 1: Create a working code to parse NMEA inputs into human-readable data
michael_antonucci 0:8419f38ed886 4 #include "mbed.h"
michael_antonucci 0:8419f38ed886 5
michael_antonucci 0:8419f38ed886 6 Serial pc(USBTX, USBRX);
michael_antonucci 0:8419f38ed886 7
michael_antonucci 0:8419f38ed886 8 char dataque[100]; //calls for an array of 100 characters long with the name "dataque"
michael_antonucci 0:8419f38ed886 9 char header[5]; //calls for an array of 5 characters long with name "header"
michael_antonucci 0:8419f38ed886 10 float lat; //creates float "lat" for latitude
michael_antonucci 0:8419f38ed886 11 float longi; //creates float "longi" for longitude
michael_antonucci 0:8419f38ed886 12 char ns[1]; //creates array of 1 character with name "ns"
michael_antonucci 0:8419f38ed886 13 char ew[1]; //creates array of 1 character with name "ew"
michael_antonucci 0:8419f38ed886 14 float elevation; //creates float "elevation"
michael_antonucci 0:8419f38ed886 15 char checksum[2]; //calls for an array of 2 characters long with name "checksum"
michael_antonucci 0:8419f38ed886 16 int seconds; //creates integer "seconds" for time
michael_antonucci 0:8419f38ed886 17 float xaccel; //creates float "xaccel" for x acceleration
michael_antonucci 0:8419f38ed886 18 float yaccel; //creates float "yaccel" for y acceleration
michael_antonucci 0:8419f38ed886 19 float zaccel; //creates float "zaccel" for z acceleration
michael_antonucci 0:8419f38ed886 20 float temp; //creates float "temp" for temperature
michael_antonucci 0:8419f38ed886 21 int main() { //starts main code
michael_antonucci 0:8419f38ed886 22 while(1) {
michael_antonucci 0:8419f38ed886 23 if (pc.readable()) {
michael_antonucci 0:8419f38ed886 24 pc.scanf("%s",dataque);
michael_antonucci 0:8419f38ed886 25 sscanf(dataque,"$%5s",header);
michael_antonucci 0:8419f38ed886 26 if (!strcmp(header,"GPRMC")) { //if the header is "GPRMC"
michael_antonucci 0:8419f38ed886 27 sscanf(dataque,"$%5s,%d,%f,%1s,%f,%1s,%f,*%2s", //reassigns variables to data
michael_antonucci 0:8419f38ed886 28 header,&seconds,&lat,ns,&longi,ew,&elevation,checksum);
michael_antonucci 0:8419f38ed886 29 pc.printf("GPS NMEA string recieved:\r\n"); //prints type of message
michael_antonucci 0:8419f38ed886 30 pc.printf("Time: %d seconds\r\n",seconds); //prints time
michael_antonucci 0:8419f38ed886 31 pc.printf("Latitude: %f degrees %s",lat,ns); //prints latitude
michael_antonucci 0:8419f38ed886 32 pc.printf("Longitude: %f degrees %s\r\n",longi,ew); //prints longitude
michael_antonucci 0:8419f38ed886 33 pc.printf("Elevation: %f m\r\n",elevation); //prints elevation
michael_antonucci 0:8419f38ed886 34 pc.printf("Checksum Value: %s",checksum); //prints checksum value
michael_antonucci 0:8419f38ed886 35 }
michael_antonucci 0:8419f38ed886 36 else if (!strcmp(header,"IMUPO")) { //if the header is "IMUPO", print a message
michael_antonucci 0:8419f38ed886 37 sscanf(dataque,"$%5s,%d,%f,%f,%f,*%2s", //reassigns variables to data
michael_antonucci 0:8419f38ed886 38 header,
michael_antonucci 0:8419f38ed886 39 &seconds,
michael_antonucci 0:8419f38ed886 40 &xaccel,
michael_antonucci 0:8419f38ed886 41 &yaccel,
michael_antonucci 0:8419f38ed886 42 &zaccel,
michael_antonucci 0:8419f38ed886 43 checksum);
michael_antonucci 0:8419f38ed886 44 pc.printf("Motion Message NMEA string recieved:\r\n"); //prints type of data
michael_antonucci 0:8419f38ed886 45 pc.printf("Time: %d seconds\r\n",seconds); //prints time
michael_antonucci 0:8419f38ed886 46 pc.printf("X-Acceleration: %f m/s^2 \r\n",xaccel); //prints x acceleration
michael_antonucci 0:8419f38ed886 47 pc.printf("Y-Acceleration: %f m/s^2 \r\n",yaccel); //prints y acceleration
michael_antonucci 0:8419f38ed886 48 pc.printf("Z-Acceleration: %f m/s^2 \r\n",zaccel); //prints z acceleration
michael_antonucci 0:8419f38ed886 49 pc.printf("Checksum Value: %2s \r\n",checksum); //prints checksum value
michael_antonucci 0:8419f38ed886 50 }
michael_antonucci 0:8419f38ed886 51 else if (!strcmp(header,"TEMPE")) { //if the header is "TEMPE", print a message
michael_antonucci 0:8419f38ed886 52 sscanf(dataque,"$%5s,%d,%f,*%2s", //reassigns variables to data
michael_antonucci 0:8419f38ed886 53 header,
michael_antonucci 0:8419f38ed886 54 &seconds,
michael_antonucci 0:8419f38ed886 55 &temp,
michael_antonucci 0:8419f38ed886 56 checksum);
michael_antonucci 0:8419f38ed886 57 pc.printf("Temperature NMEA string recieved:\r\n"); //prints type of data
michael_antonucci 0:8419f38ed886 58 pc.printf("Time: %d seconds\r\n",seconds); //prints time
michael_antonucci 0:8419f38ed886 59 pc.printf("Temperature: %f degrees Celcius\r\n",temp); //prints temperature
michael_antonucci 0:8419f38ed886 60 pc.printf("Checksum Value: %2s \r\n",checksum); //prints checksum value
michael_antonucci 0:8419f38ed886 61 }
michael_antonucci 0:8419f38ed886 62 else { //if the header is not one of those three, respond with an error message
michael_antonucci 0:8419f38ed886 63 pc.printf("NOT A VALID NMEA INDICATOR \r\n"); //shows that error is associated with header format
michael_antonucci 0:8419f38ed886 64 }
michael_antonucci 0:8419f38ed886 65 }
michael_antonucci 0:8419f38ed886 66 }
michael_antonucci 0:8419f38ed886 67 }