ENSMM
Adafruit GPS , distance and count footsteps
Dependencies: mbed SDFileSystem MBed_Adafruit-GPS-Library USBDevice
Diff: main.cpp
- Revision:
- 8:eee9069df8bb
- Parent:
- 7:3d99469695da
diff -r 3d99469695da -r eee9069df8bb main.cpp
--- a/main.cpp Thu Jan 23 22:26:02 2020 +0000
+++ b/main.cpp Mon Jan 27 10:52:53 2020 +0000
@@ -2,131 +2,87 @@
#include "mbed.h"
#include "MBed_Adafruit_GPS.h"
#include "USBSerial.h"
-#include "SDFileSystem.h"
+#include "SDFileSystem.h"
+
USBSerial pc(0x1f00, 0x2012, 0x0001, false);
Serial * gps_Serial;
-SDFileSystem sd(PA_7, PA_6, PA_5, PB_6, "sd");
+SDFileSystem sd(PA_7, PA_6, PA_5, PB_6, "sd");
+Timer dt ; int t_avant = 0 ; int t_m = 0 ; int t_d = 0; int t_apres = 0;
PwmOut Green(PC_8); //PWM Red LED
PwmOut Red(PC_6); //PWM Green LED
PwmOut Blue(PC_9); //PWM Blue LED
int i = 0;
-float lat_dd, lon_dd;
+float lat_dd, lon_dd;
float lat_1, lon_1;
float lat_2, lon_2;
float height = 171;
-float distance = 0;
-//float distance1 = 0;
-//float distance2 = 0;
-float sum_distance = 0;
+float distance = 0;
+//float distance1 = 0;
+//float distance2 = 0;
+float sum_distance = 0;
float steps = 0;
double avg_speed = 0;
float cal = 0;
-int main() {
-
- Blue = 0;
-
- //pc.baud(115200); //sets virtual COM serial communication to high rate; this is to allow more time to be spent on GPS retrieval
-
- gps_Serial = new Serial(PA_2,PA_3); //serial object for use w/ GPS
- Adafruit_GPS myGPS(gps_Serial); //object of Adafruit's GPS class
- char c; //when read via Adafruit_GPS::read(), the class returns single character stored here
- Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
- const int refresh_Time = 2000; //refresh time in ms
+int main()
+{
-
- myGPS.begin(9600); //sets baud rate for GPS communication; note this may be changed via Adafruit_GPS::sendCommand(char *)
- //a list of GPS commands is available at http://www.adafruit.com/datasheets/PMTK_A08.pdf
-
- myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
- myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
- myGPS.sendCommand(PGCMD_ANTENNA);
-
- FILE *fp = fopen("/sd/GPS_Test.txt", "w");
-
- pc.printf("Connection established at 115200 baud...\n");
-
- wait(1);
-
- refresh_Timer.start(); //starts the clock on the timer
-
- while(true)
- {
- c = myGPS.read(); //queries the GPS
-
- Blue = 0;
-
- if (c) { } //this line will echo the GPS data if not paused
-
- //check if we recieved a new message from GPS, if so, attempt to parse it,
- if ( myGPS.newNMEAreceived() ) {
- if ( !myGPS.parse(myGPS.lastNMEA()) ) {
- continue;
- }
- }
-
- //check if enough time has passed to warrant printing GPS info to screen
- //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
- if (refresh_Timer.read_ms() >= refresh_Time) {
- refresh_Timer.reset();
- fprintf(fp,"Time: %d:%d:%d.%u\n", myGPS.hour+1, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
- fprintf(fp,"Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
- fprintf(fp,"Fix: %d\n", (int) myGPS.fix);
- fprintf(fp,"Quality: %d\n\n", (int) myGPS.fixquality);
-
- pc.printf("Time: %d:%d:%d.%u\n", myGPS.hour+1, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
- pc.printf("Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
- pc.printf("Fix: %d\n", (int) myGPS.fix);
- pc.printf("Quality: %d\n\n", (int) myGPS.fixquality);
- Blue = 0;
- if (myGPS.fix)
- {
- /*
- if (i == 0)
- {
- lat_1 = myGPS.latitude;
- lon_1 = myGPS.longitude;
- //lat_2 = myGPS.latitude;
- //lon_2 = myGPS.longitude;
- }
- */
-
- //lat_1 = lat_1;
- //lon_1 = lon_1;
+ dt.start();
+ Blue = 0;
+ gps_Serial = new Serial(PA_2,PA_3); //serial object for use w/ GPS
+ Adafruit_GPS myGPS(gps_Serial); //object of Adafruit's GPS class
+ char c; //when read via Adafruit_GPS::read(), the class returns single character stored here
+ Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
+ const int refresh_Time = 2000; //refresh time in ms
+ myGPS.begin(9600); //sets baud rate for GPS communication; note this may be changed via Adafruit_GPS::sendCommand(char *)
+ //a list of GPS commands is available at http://www.adafruit.com/datasheets/PMTK_A08.pdf
+ myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
+ myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
+ myGPS.sendCommand(PGCMD_ANTENNA);
+ FILE *fp = fopen("/sd/GPS_Test.txt", "w");
+ wait(1);
+ refresh_Timer.start(); //starts the clock on the timer
+ while(true) {
+ c = myGPS.read(); //queries the GPS
+ Blue = 0;
+ if (c) { } //this line will echo the GPS data if not paused
+ //check if we recieved a new message from GPS, if so, attempt to parse it,
+ if ( myGPS.newNMEAreceived() ) {
+ if ( !myGPS.parse(myGPS.lastNMEA()) ) {
+ continue;
+ }
+ }
+
+ //check if enough time has passed to warrant printing GPS info to screen
+ //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
+ if (refresh_Timer.read_ms() >= refresh_Time) {
+ refresh_Timer.reset();
+ fprintf(fp,"Time: %d:%d:%d.%u\n", myGPS.hour+1, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
+ fprintf(fp,"Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
+ fprintf(fp,"Fix:. %d\n", (int) myGPS.fix);
+ fprintf(fp,"Quality: %d\n\n", (int) myGPS.fixquality);
+
+ pc.printf("Time: %d:%d:%d.%u\n", myGPS.hour+1, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
+ pc.printf("Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
+ pc.printf("Fix: %d\n", (int) myGPS.fix);
+ pc.printf("Quality: %d\n\n", (int) myGPS.fixquality);
+ Blue = 0;
+ if (myGPS.fix) {
lat_dd = myGPS.coordToDegDec(myGPS.latitude);
lon_dd = myGPS.coordToDegDec(myGPS.longitude);
-
- //lat_2 = lat_dd;
- //lon_2 = lon_dd;
-
- //::distance2 = myGPS.getDistance(lat_1, lon_1, lat_2, lon_2);
-
if (i == 0) {
- //lat_1 = lat_2;
- //lon_1 = lon_2;
- lat_1 = lat_dd;
- lon_1 = lon_dd;
- lat_2 = lat_1;
- lon_2 = lon_1;
-
+ lat_1 = lat_dd;lon_1 = lon_dd;lat_2 = lat_1;lon_2 = lon_1;t_m = dt.read_ms() ; t_m = dt.read();
+
} else {
- lat_1 = lat_2;
- lon_1 = lon_2;
- lat_2 = lat_dd;
- lon_2 = lon_dd;
- }
-
- ::distance = myGPS.getDistance(lat_1, lon_1, lat_2, lon_2);
- ::sum_distance += ::distance;
- ::steps = myGPS.getSteps(::sum_distance, height);
-
- if (i != 0) {
- ::avg_speed = myGPS.getAvgSpeed(::sum_distance, i);
- }
-
-
+ lat_1 = lat_2;lon_1 = lon_2;lat_2 = lat_dd;lon_2 = lon_dd;t_apres = t_m ; t_m = dt.read(); t_d = t_apres - t_m ;
+ ::distance = myGPS.getDistance(lat_1, lon_1, lat_2, lon_2 );
+ ::sum_distance += ::distance;
+ ::steps = myGPS.getSteps(::sum_distance, height);
+ ::avg_speed = myGPS.getAvgSpeed(::sum_distance, t_d );}
+
+
//fprintf(fp,"t: %d\n", i);
fprintf(fp,"Satellites : %d\n", myGPS.satellites);
fprintf(fp,"Location (deg) : %5.5f%c, %5.5f%c\n", lat_dd, myGPS.lat, lon_dd, myGPS.lon);
@@ -135,10 +91,10 @@
//fprintf(fp,"Speed: %5.2f knots\n", myGPS.speed);
//fprintf(fp,"Angle: %5.2f\n", myGPS.angle);
fprintf(fp,"Altitude (m) : %5.2f\n", myGPS.altitude);
- fprintf(fp,"Distance (m) : %5.2f\n", ::sum_distance);
+ fprintf(fp,"Distance (m) : %5.2f\n", ::sum_distance);
fprintf(fp,"Steps taken : %5.0f\n", ::steps);
fprintf(fp,"Average speed (km/h) : %5.2f\n\n\n", ::avg_speed);
-
+
//pc.printf("t: %d\n", i);
pc.printf("Satellites : %d\n", myGPS.satellites);
pc.printf("Location (deg) : %5.5f%c, %5.5f%c\n", lat_dd, myGPS.lat, lon_dd, myGPS.lon);
@@ -151,18 +107,20 @@
pc.printf("Distance (m) : %5.2f\n", ::sum_distance);
pc.printf("Steps taken : %5.0f\n", ::steps);
pc.printf("Average speed (km/h) : %5.5f\n\n\n", ::avg_speed);
-
-
-
- Blue = 1;
- i++;
-
- }
- wait(0.5);
- }
- }
- fclose(fp); // Closing the file
- if(fp == NULL) { error("Could not open file for write\n"); } // Error message, if there is a problem
+
+
+
+ Blue = 1;
+ i++;
+
+ }
+ wait(0.5);
+ }
+ }
+ fclose(fp); // Closing the file
+ if(fp == NULL) {
+ error("Could not open file for write\n"); // Error message, if there is a problem
+ }
}
@@ -179,45 +137,45 @@
Serial pc (USBTX, USBRX);
int main() {
-
+
pc.baud(115200); //sets virtual COM serial communication to high rate; this is to allow more time to be spent on GPS retrieval
-
+
gps_Serial = new Serial(p28,p27); //serial object for use w/ GPS
Adafruit_GPS myGPS(gps_Serial); //object of Adafruit's GPS class
char c; //when read via Adafruit_GPS::read(), the class returns single character stored here
Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
const int refresh_Time = 2000; //refresh time in ms
-
+
myGPS.begin(9600); //sets baud rate for GPS communication; note this may be changed via Adafruit_GPS::sendCommand(char *)
//a list of GPS commands is available at http://www.adafruit.com/datasheets/PMTK_A08.pdf
-
+
myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
myGPS.sendCommand(PGCMD_ANTENNA);
-
+
pc.printf("Connection established at 115200 baud...\n");
-
+
wait(1);
-
+
refresh_Timer.start(); //starts the clock on the timer
-
+
while(true){
c = myGPS.read(); //queries the GPS
-
+
if (c) { pc.printf("%c", c); } //this line will echo the GPS data if not paused
-
+
//check if we recieved a new message from GPS, if so, attempt to parse it,
if ( myGPS.newNMEAreceived() ) {
if ( !myGPS.parse(myGPS.lastNMEA()) ) {
- continue;
- }
+ continue;
+ }
}
-
+
//check if enough time has passed to warrant printing GPS info to screen
//note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
if (refresh_Timer.read_ms() >= refresh_Time) {
refresh_Timer.reset();
- pc.printf("Time: %d:%d:%d.%u\n", myGPS.hour, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
+ pc.printf("Time: %d:%d:%d.%u\n", myGPS.hour, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
pc.printf("Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
pc.printf("Fix: %d\n", (int) myGPS.fix);
pc.printf("Quality: %d\n", (int) myGPS.fixquality);
@@ -239,48 +197,48 @@
//gps.cpp
//for use with Adafruit Ultimate GPS
//Reads in and parses GPS data
-
+
#include "mbed.h"
#include "MBed_Adafruit_GPS.h"
-
+
Serial * gps_Serial;
Serial pct (USBTX, USBRX);
int main() {
-
+
pct.baud(115200); //sets virtual COM serial communication to high rate; this is to allow more time to be spent on GPS retrieval
-
+
gps_Serial = new Serial(PTC17,PTC16); //serial object for use w/ GPS
Adafruit_GPS myGPS(gps_Serial); //object of Adafruit's GPS class
char c; //when read via Adafruit_GPS::read(), the class returns single character stored here
Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
const int refresh_Time = 2000; //refresh time in ms
-
+
myGPS.begin(9600); //sets baud rate for GPS communication; note this may be changed via Adafruit_GPS::sendCommand(char *)
//a list of GPS commands is available at http://www.adafruit.com/datasheets/PMTK_A08.pdf
-
+
myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
myGPS.sendCommand(PGCMD_ANTENNA);
-
+
pct.printf("Connection established at 115200 baud...\n");
-
+
wait(1);
-
+
refresh_Timer.start(); //starts the clock on the timer
-
+
while(true){
c = myGPS.read(); //queries the GPS
-
+
if (c) { pct.printf("%c", c); } //this line will echo the GPS data if not paused
-
+
//check if we recieved a new message from GPS, if so, attempt to parse it,
if ( myGPS.newNMEAreceived() ) {
if ( !myGPS.parse(myGPS.lastNMEA()) ) {
- continue;
- }
+ continue;
+ }
}
-
+
//check if enough time has passed to warrant printing GPS info to screen
//note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
if (refresh_Timer.read_ms() >= refresh_Time) {
@@ -296,12 +254,12 @@
pct.printf("Altitude: %5.2f\n", myGPS.altitude);
pct.printf("Satellites: %d\n", myGPS.satellites);
}
-
+
}
-
+
}
-
-
+
+
}
*/
\ No newline at end of file