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@4:c64b742e9388, 2017-03-11 (annotated)

Committer:
mbedevilledEgg
Date:
Sat Mar 11 18:06:06 2017 +0000
Revision:
4:c64b742e9388
Parent:
0:e294af8d0e07
Child:
5:b4d5a68654bb
All the code so far, Need GPS and Comp wired up now

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 4:c64b742e9388 7
mbedevilledEgg 4:c64b742e9388 8 #define FSNAME "USB"
mbedevilledEgg 4:c64b742e9388 9 #define LIM 10
igorsk 0:e294af8d0e07 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 4:c64b742e9388 16
mbedevilledEgg 4:c64b742e9388 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"
igorsk 0:e294af8d0e07 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 4:c64b742e9388 37 float Offset, GenBearing;
igorsk 0:e294af8d0e07 38
mbedevilledEgg 4:c64b742e9388 39 while(1)
igorsk 0:e294af8d0e07 40 {
mbedevilledEgg 4:c64b742e9388 41 //Accelerometer
mbedevilledEgg 4:c64b742e9388 42 Accel = fopen("/USB/Accelerometer.txt", "a");
mbedevilledEgg 4:c64b742e9388 43 ax=MMA.x();
mbedevilledEgg 4:c64b742e9388 44 ay=MMA.y();
mbedevilledEgg 4:c64b742e9388 45 az=MMA.z();
mbedevilledEgg 4:c64b742e9388 46 fprintf(Accel,"%f, %f, %f,\r\n",ax,ay,az);
mbedevilledEgg 4:c64b742e9388 47 lcd.locate(1,21);
mbedevilledEgg 4:c64b742e9388 48 lcd.printf("Accel: %.2f, %.2f, %.2f", ax, ay, az);
mbedevilledEgg 4:c64b742e9388 49
mbedevilledEgg 4:c64b742e9388 50 //GPS
mbedevilledEgg 4:c64b742e9388 51 GPS = fopen("/USB/GPS.txt", "a");
mbedevilledEgg 4:c64b742e9388 52 if (gps.sample())
mbedevilledEgg 4:c64b742e9388 53 {
mbedevilledEgg 4:c64b742e9388 54 fprintf(GPS, "\n%f, %f\r\n", gps.latitude, gps.longitude);
mbedevilledEgg 4:c64b742e9388 55 lcd.locate(1,1);
mbedevilledEgg 4:c64b742e9388 56 lcd.printf("GPS: %.4f, %.4f, %.4f", gps.latitude, gps.longitude);
mbedevilledEgg 4:c64b742e9388 57 }
mbedevilledEgg 4:c64b742e9388 58 else // For no signal
igorsk 0:e294af8d0e07 59 {
mbedevilledEgg 4:c64b742e9388 60 fprintf(GPS, "\nNo Lock!\n\n");
mbedevilledEgg 4:c64b742e9388 61 lcd.locate(1,1);
mbedevilledEgg 4:c64b742e9388 62 lcd.printf("GPS: No Lock!");
igorsk 0:e294af8d0e07 63 }
mbedevilledEgg 4:c64b742e9388 64
mbedevilledEgg 4:c64b742e9388 65 // Compass
mbedevilledEgg 4:c64b742e9388 66 Offset = compass.readBearing(); // Initial definitions
mbedevilledEgg 4:c64b742e9388 67 GenBearing = (compass.readBearing()/10 - Offset/10);
mbedevilledEgg 4:c64b742e9388 68 Comp = fopen("/USB/Compass.txt", "a");
mbedevilledEgg 4:c64b742e9388 69 if (GenBearing < 0)
mbedevilledEgg 4:c64b742e9388 70 {
mbedevilledEgg 4:c64b742e9388 71 GenBearing = 0 - GenBearing;
mbedevilledEgg 4:c64b742e9388 72 }
mbedevilledEgg 4:c64b742e9388 73 fprintf(Comp, "Bearing: %.2f\r\n", GenBearing);
mbedevilledEgg 4:c64b742e9388 74 lcd.locate(1,11);
mbedevilledEgg 4:c64b742e9388 75 lcd.printf("Offset: %.2f, CMP: %.2f", Offset/10, GenBearing);
mbedevilledEgg 4:c64b742e9388 76
mbedevilledEgg 4:c64b742e9388 77 fclose(Accel);
mbedevilledEgg 4:c64b742e9388 78 fclose(GPS);
mbedevilledEgg 4:c64b742e9388 79 fclose(Comp);
igorsk 0:e294af8d0e07 80 }
igorsk 0:e294af8d0e07 81 }
mbedevilledEgg 4:c64b742e9388 82
mbedevilledEgg 4:c64b742e9388 83 /*lcd.locate(3,3);
mbedevilledEgg 4:c64b742e9388 84 lcd.printf("X: %.2f\t\n",MMA.x());
mbedevilledEgg 4:c64b742e9388 85 lcd.locate(38,3);
mbedevilledEgg 4:c64b742e9388 86 lcd.printf("Y: %.2f\t\n",MMA.y());
mbedevilledEgg 4:c64b742e9388 87 lcd.locate(78,3);
mbedevilledEgg 4:c64b742e9388 88 lcd.printf("Z: %.2f\t\n",MMA.z());
mbedevilledEgg 4:c64b742e9388 89 //lcd.cls();*/
mbedevilledEgg 4:c64b742e9388 90
mbedevilledEgg 4:c64b742e9388 91 //wait(0.5);
mbedevilledEgg 4:c64b742e9388 92 //i++;
mbedevilledEgg 4:c64b742e9388 93