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Adafruit GPS , distance and count footsteps
Dependencies: mbed SDFileSystem MBed_Adafruit-GPS-Library USBDevice
Diff: main.cpp
- Revision:
- 6:f1b3ee4199b7
- Parent:
- 5:da8e5af9d44b
- Child:
- 7:3d99469695da
--- a/main.cpp Wed Dec 18 14:23:38 2019 +0000 +++ b/main.cpp Thu Jan 23 18:09:56 2020 +0000 @@ -11,9 +11,23 @@ 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_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 steps = 0; +float 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 @@ -21,6 +35,7 @@ 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 @@ -41,6 +56,8 @@ { 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, @@ -64,20 +81,81 @@ pc.printf("Fix: %d\n", (int) myGPS.fix); pc.printf("Quality: %d\n\n", (int) myGPS.fixquality); Blue = 0; - if (myGPS.fix) { - fprintf(fp,"Location: %5.2f%c, %5.2f%c\n", myGPS.latitude, myGPS.lat, myGPS.longitude, myGPS.lon); - fprintf(fp,"Speed: %5.2f knots\n", myGPS.speed); - fprintf(fp,"Angle: %5.2f\n", myGPS.angle); - fprintf(fp,"Altitude: %5.2f\n", myGPS.altitude); - fprintf(fp,"Satellites: %d\n\n\n", myGPS.satellites); + 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; + 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; + + } 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 = ::sum_distance + ::distance; + ::steps = myGPS.getSteps(::sum_distance, height); + + if (i != 0) { + ::avg_speed = myGPS.getAvgSpeed(::sum_distance, i); + } + + + fprintf(fp,"t: %d\n", i); + fprintf(fp,"Location (°) : %5.5f%c, %5.5f%c\n", lat_dd, myGPS.lat, lon_dd, myGPS.lon); + fprintf(fp,"Location1 (°) : %5.5f, %5.5f\n", lat_1, lon_1); + fprintf(fp,"Location2 (°) : %5.5f, %5.5f\n", lat_2, lon_2); + //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,"Satellites : %d\n", myGPS.satellites); + fprintf(fp,"Distance (m) : %5.2f\n", ::sum_distance); + fprintf(fp,"Steps taken : %5.2f\n", ::steps); + fprintf(fp,"Average speed (km/h) : %5.2f\n\n\n", ::avg_speed); - pc.printf("Location: %5.2f%c, %5.2f%c\n", myGPS.latitude, myGPS.lat, myGPS.longitude, myGPS.lon); - pc.printf("Speed: %5.2f knots\n", myGPS.speed); - pc.printf("Angle: %5.2f\n", myGPS.angle); - pc.printf("Altitude: %5.2f\n", myGPS.altitude); - pc.printf("Satellites: %d\n\n\n", myGPS.satellites); + pc.printf("t: %d\n", i); + pc.printf("Location (°) : %5.5f%c, %5.5f%c\n", lat_dd, myGPS.lat, lon_dd, myGPS.lon); + //pc.printf("Location (°) : %5.5f%c, %5.5f%c\n", lat_dd, myGPS.lat, lon_dd, myGPS.lon); + pc.printf("Location1 (°) : %5.5f, %5.5f\n", lat_1, lon_1); + pc.printf("Location2 (°) : %5.5f, %5.5f\n", lat_2, lon_2); + //pc.printf("Speed: %5.2f knots\n", myGPS.speed); + //pc.printf("Angle: %5.2f\n", myGPS.angle); + pc.printf("Altitude (m) : %5.2f\n", myGPS.altitude); + pc.printf("Satellites : %d\n", myGPS.satellites); + pc.printf("Distance (m) : %5.2f\n", ::sum_distance); + pc.printf("Steps taken : %5.2f\n", ::steps); + pc.printf("Average speed (km/h) : %5.10f\n\n\n", ::avg_speed); + + Blue = 1; + i++; } wait(0.5);