16ELA007 Group 15 / Mbed OS MSCUsbHost Featured

Program to read data from sensors, write them to a file which can then be interpreted by software to help show the path of a bicycle as it travels around a field

Dependencies:   C12832_lcd FatFileSystemCpp MMA7660 CMPS03 GPS

Fork of MSCUsbHost by Igor Skochinsky

Program to link a compass and a GPS to an MBED to produce a CSV file which can be used to track a bicycle around a field

Results can be found here

main.cpp@7:c08305966384, 2017-03-14 (annotated)

Committer:
mbedevilledEgg
Date:
Tue Mar 14 16:00:12 2017 +0000
Revision:
7:c08305966384
Parent:
6:09a0610af8b7
Child:
8:f1679795e9ac
Compass -> LCD Good(ish); Compass -> txt Bad

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedevilledEgg 4:c64b742e9388 1 #include "mbed.h" // mbed library
mbedevilledEgg 4:c64b742e9388 2 #include "MMA7660.h" // Accelerometer library
mbedevilledEgg 4:c64b742e9388 3 #include "GPS.h" // GPS library
mbedevilledEgg 4:c64b742e9388 4 #include "CMPS03.h" // Compass library
mbedevilledEgg 4:c64b742e9388 5 #include "C12832_lcd.h" // LCD screen library
igorsk 0:e294af8d0e07 6 #include "MSCFileSystem.h"
mbedevilledEgg 6:09a0610af8b7 7
mbedevilledEgg 4:c64b742e9388 8 #define FSNAME "USB"
mbedevilledEgg 7:c08305966384 9 #define LIM 60
mbedevilledEgg 6:09a0610af8b7 10
mbedevilledEgg 4:c64b742e9388 11 GPS gps(p9, p10); // GPS Connection
mbedevilledEgg 4:c64b742e9388 12 CMPS03 compass(p28, p27, CMPS03_DEFAULT_I2C_ADDRESS); // Compass connection
mbedevilledEgg 4:c64b742e9388 13 MMA7660 MMA(p28, p27); // Accelerometer connection
mbedevilledEgg 4:c64b742e9388 14 C12832_LCD lcd;
mbedevilledEgg 4:c64b742e9388 15 Serial pc(USBTX, USBRX);
mbedevilledEgg 6:09a0610af8b7 16
mbedevilledEgg 6:09a0610af8b7 17
mbedevilledEgg 4:c64b742e9388 18 // Declarations
mbedevilledEgg 4:c64b742e9388 19 float ax, ay, az;
mbedevilledEgg 4:c64b742e9388 20 DigitalOut connectionLed(LED1);
mbedevilledEgg 4:c64b742e9388 21 MSCFileSystem msc("USB"); // Mount USB stick under the name "USB"
mbedevilledEgg 6:09a0610af8b7 22
igorsk 0:e294af8d0e07 23 int main()
igorsk 0:e294af8d0e07 24 {
mbedevilledEgg 4:c64b742e9388 25 /*
mbedevilledEgg 4:c64b742e9388 26 DIR *d;
mbedevilledEgg 4:c64b742e9388 27 struct dirent *p; // For printing externally (USB Stick)
mbedevilledEgg 4:c64b742e9388 28 d = opendir("/" FSNAME);
mbedevilledEgg 4:c64b742e9388 29 */
mbedevilledEgg 4:c64b742e9388 30 if (MMA.testConnection())
mbedevilledEgg 4:c64b742e9388 31 connectionLed = 1; // Checking MMA connected correctly
mbedevilledEgg 4:c64b742e9388 32
mbedevilledEgg 4:c64b742e9388 33 FILE *Accel = fopen("/USB/Accelerometer.txt", "w"); // Opens text file for Accelerometer
mbedevilledEgg 4:c64b742e9388 34 FILE *GPS = fopen("/USB/GPS.txt", "w"); // Opens text file for GPS
mbedevilledEgg 4:c64b742e9388 35 FILE *Comp = fopen("/USB/Compass.txt", "w"); // Opens text file for Compass
mbedevilledEgg 4:c64b742e9388 36
mbedevilledEgg 7:c08305966384 37 float Offset;
mbedevilledEgg 7:c08305966384 38 int i;
igorsk 0:e294af8d0e07 39
mbedevilledEgg 7:c08305966384 40 while(i < LIM)
igorsk 0:e294af8d0e07 41 {
mbedevilledEgg 4:c64b742e9388 42 //Accelerometer
mbedevilledEgg 4:c64b742e9388 43 Accel = fopen("/USB/Accelerometer.txt", "a");
mbedevilledEgg 4:c64b742e9388 44 ax=MMA.x();
mbedevilledEgg 4:c64b742e9388 45 ay=MMA.y();
mbedevilledEgg 4:c64b742e9388 46 az=MMA.z();
mbedevilledEgg 4:c64b742e9388 47 fprintf(Accel,"%f, %f, %f,\r\n",ax,ay,az);
mbedevilledEgg 4:c64b742e9388 48 lcd.locate(1,21);
mbedevilledEgg 4:c64b742e9388 49 lcd.printf("Accel: %.2f, %.2f, %.2f", ax, ay, az);
mbedevilledEgg 7:c08305966384 50 wait (0.5);
mbedevilledEgg 6:09a0610af8b7 51 /*
mbedevilledEgg 4:c64b742e9388 52 //GPS
mbedevilledEgg 4:c64b742e9388 53 GPS = fopen("/USB/GPS.txt", "a");
mbedevilledEgg 4:c64b742e9388 54 if (gps.sample())
mbedevilledEgg 4:c64b742e9388 55 {
mbedevilledEgg 4:c64b742e9388 56 fprintf(GPS, "\n%f, %f\r\n", gps.latitude, gps.longitude);
mbedevilledEgg 4:c64b742e9388 57 lcd.locate(1,1);
mbedevilledEgg 7:c08305966384 58 lcd.printf("%.4f, %.4f, %.4f", gps.latitude, gps.longitude);
mbedevilledEgg 4:c64b742e9388 59 }
mbedevilledEgg 4:c64b742e9388 60 else // For no signal
igorsk 0:e294af8d0e07 61 {
mbedevilledEgg 4:c64b742e9388 62 fprintf(GPS, "\nNo Lock!\n\n");
mbedevilledEgg 4:c64b742e9388 63 lcd.locate(1,1);
mbedevilledEgg 4:c64b742e9388 64 lcd.printf("GPS: No Lock!");
igorsk 0:e294af8d0e07 65 }
mbedevilledEgg 7:c08305966384 66 */
mbedevilledEgg 4:c64b742e9388 67 // Compass
mbedevilledEgg 7:c08305966384 68 //Offset = compass.readBearing(); // Initial definitions
mbedevilledEgg 7:c08305966384 69 // GenBearing = (compass.readBearing()/10 - Offset/10);
mbedevilledEgg 7:c08305966384 70 Comp = fopen("/USB/Compass.txt", "a");
mbedevilledEgg 7:c08305966384 71 fprintf(Comp, "%f\r\n", compass.readBearing());
mbedevilledEgg 7:c08305966384 72 lcd.locate(1,11);
mbedevilledEgg 7:c08305966384 73 lcd.printf("Offset: %f, CMP: %f", Offset, compass.readBearing());
mbedevilledEgg 7:c08305966384 74
mbedevilledEgg 7:c08305966384 75
mbedevilledEgg 7:c08305966384 76 /* GenBearing = compass.readBearing()/10;
mbedevilledEgg 7:c08305966384 77 Comp = fopen("/USB/Compass.txt", "a");
mbedevilledEgg 7:c08305966384 78 if (GenBearing < 0)
mbedevilledEgg 7:c08305966384 79 {
mbedevilledEgg 7:c08305966384 80 GenBearing = 0 - GenBearing;
mbedevilledEgg 7:c08305966384 81 }
mbedevilledEgg 7:c08305966384 82 fprintf(Comp, "%f\r\n", GenBearing);
mbedevilledEgg 7:c08305966384 83 lcd.locate(1,11);
mbedevilledEgg 7:c08305966384 84 lcd.printf("Offset: %.2f, CMP: %.2f", Offset/10.0, GenBearing);
mbedevilledEgg 7:c08305966384 85 */
mbedevilledEgg 4:c64b742e9388 86 fclose(Accel);
mbedevilledEgg 6:09a0610af8b7 87 //fclose(GPS);
mbedevilledEgg 7:c08305966384 88 fclose(Comp);
mbedevilledEgg 7:c08305966384 89 i++;
igorsk 0:e294af8d0e07 90 }
mbedevilledEgg 6:09a0610af8b7 91 }