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@16:30f9a5e6abc2, 2017-03-21 (annotated)

Committer:
mbedevilledEgg
Date:
Tue Mar 21 15:49:46 2017 +0000
Revision:
16:30f9a5e6abc2
Parent:
15:b5b2ca683d64
Child:
17:c4ead6f1ebd9
Updated working version (this is got all we need)

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 14:d70e165ddf30 9 #define LIM 300
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 10:d2dd3b355de5 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 10:d2dd3b355de5 29 */
mbedevilledEgg 4:c64b742e9388 30 if (MMA.testConnection())
mbedevilledEgg 4:c64b742e9388 31 connectionLed = 1; // Checking MMA connected correctly
mbedevilledEgg 4:c64b742e9388 32
mbedevilledEgg 10:d2dd3b355de5 33 FILE *Accel = fopen("/USB/Accelerometer.csv", "w"); // Opens text file for Accelerometer
mbedevilledEgg 10:d2dd3b355de5 34 FILE *GPS = fopen("/USB/GPS.csv", "w"); // Opens text file for GPS
mbedevilledEgg 10:d2dd3b355de5 35 FILE *Comp = fopen("/USB/Compass.csv", "w"); // Opens text file for Compass
mbedevilledEgg 4:c64b742e9388 36
mbedevilledEgg 7:c08305966384 37 int i;
mbedevilledEgg 14:d70e165ddf30 38 float bearing;
mbedevilledEgg 8:f1679795e9ac 39
mbedevilledEgg 7:c08305966384 40 while(i < LIM)
igorsk 0:e294af8d0e07 41 {
mbedevilledEgg 4:c64b742e9388 42 //Accelerometer
mbedevilledEgg 10:d2dd3b355de5 43 Accel = fopen("/USB/Accelerometer.csv", "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 11:c85911a4c956 50
mbedevilledEgg 4:c64b742e9388 51 //GPS
mbedevilledEgg 10:d2dd3b355de5 52 GPS = fopen("/USB/GPS.csv", "a");
mbedevilledEgg 4:c64b742e9388 53 if (gps.sample())
mbedevilledEgg 4:c64b742e9388 54 {
mbedevilledEgg 16:30f9a5e6abc2 55 fprintf(GPS, "%f, %f, %f\r\n", gps.latitude, gps.longitude, gps.rtime);
mbedevilledEgg 4:c64b742e9388 56 lcd.locate(1,1);
mbedevilledEgg 15:b5b2ca683d64 57 lcd.printf("GPS: %.4f, %.4f, %f", gps.latitude, gps.longitude, gps.rtime);
mbedevilledEgg 4:c64b742e9388 58 }
mbedevilledEgg 4:c64b742e9388 59 else // For no signal
igorsk 0:e294af8d0e07 60 {
mbedevilledEgg 16:30f9a5e6abc2 61 fprintf(GPS, "No Lock!\r\n");
mbedevilledEgg 4:c64b742e9388 62 lcd.locate(1,1);
mbedevilledEgg 4:c64b742e9388 63 lcd.printf("GPS: No Lock!");
igorsk 0:e294af8d0e07 64 }
mbedevilledEgg 11:c85911a4c956 65
mbedevilledEgg 4:c64b742e9388 66 // Compass
mbedevilledEgg 7:c08305966384 67 //Offset = compass.readBearing(); // Initial definitions
mbedevilledEgg 10:d2dd3b355de5 68 Comp = fopen("/USB/Compass.csv", "a");
mbedevilledEgg 8:f1679795e9ac 69 lcd.locate(1,11);
mbedevilledEgg 14:d70e165ddf30 70 bearing = (compass.readBearing()/10) - 150;
mbedevilledEgg 14:d70e165ddf30 71 if (bearing < 0)
mbedevilledEgg 14:d70e165ddf30 72 {
mbedevilledEgg 14:d70e165ddf30 73 bearing = 360 + bearing;
mbedevilledEgg 14:d70e165ddf30 74 }
mbedevilledEgg 14:d70e165ddf30 75 lcd.printf("Bearing: %.2f\n", bearing);
mbedevilledEgg 14:d70e165ddf30 76 fprintf(Comp, "%.2f\r\n", bearing);
mbedevilledEgg 14:d70e165ddf30 77
mbedevilledEgg 14:d70e165ddf30 78 //wait ();
mbedevilledEgg 8:f1679795e9ac 79
mbedevilledEgg 8:f1679795e9ac 80 i++;
mbedevilledEgg 9:dbb7c4e63d45 81 fclose(Accel);
mbedevilledEgg 11:c85911a4c956 82 fclose(GPS);
mbedevilledEgg 7:c08305966384 83 fclose(Comp);
mbedevilledEgg 9:dbb7c4e63d45 84 }
mbedevilledEgg 9:dbb7c4e63d45 85
mbedevilledEgg 6:09a0610af8b7 86 }