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
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@5:b4d5a68654bb, 2017-03-11 (annotated)
- Committer:
- mbedevilledEgg
- Date:
- Sat Mar 11 18:08:47 2017 +0000
- Revision:
- 5:b4d5a68654bb
- Parent:
- 4:c64b742e9388
- Child:
- 6:09a0610af8b7
Refining code
Who changed what in which revision?
User | Revision | Line number | New 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 | } |
mbedevilledEgg | 5:b4d5a68654bb | 81 | } |