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

Diff: main.cpp

Revision:
7:c08305966384
Parent:
6:09a0610af8b7
Child:
8:f1679795e9ac
--- a/main.cpp	Sat Mar 11 18:43:08 2017 +0000
+++ b/main.cpp	Tue Mar 14 16:00:12 2017 +0000
@@ -6,7 +6,7 @@
 #include "MSCFileSystem.h"
  
 #define FSNAME "USB"
-#define LIM 10
+#define LIM 60
  
 GPS gps(p9, p10); // GPS Connection
 CMPS03 compass(p28, p27, CMPS03_DEFAULT_I2C_ADDRESS); // Compass connection
@@ -34,9 +34,10 @@
     FILE *GPS = fopen("/USB/GPS.txt", "w"); // Opens text file for GPS                      
     FILE *Comp = fopen("/USB/Compass.txt", "w"); // Opens text file for Compass   
     
-    float Offset, GenBearing;
+    float Offset;
+    int i;
     
-    while(1)
+    while(i < LIM)
     {
         //Accelerometer
         Accel = fopen("/USB/Accelerometer.txt", "a");
@@ -46,6 +47,7 @@
         fprintf(Accel,"%f, %f, %f,\r\n",ax,ay,az);
         lcd.locate(1,21);
         lcd.printf("Accel: %.2f, %.2f, %.2f", ax, ay, az);
+        wait (0.5);
 /*                
         //GPS
         GPS = fopen("/USB/GPS.txt", "a");
@@ -53,7 +55,7 @@
         {
             fprintf(GPS, "\n%f, %f\r\n", gps.latitude, gps.longitude);
             lcd.locate(1,1);
-            lcd.printf("GPS: %.4f, %.4f, %.4f", gps.latitude, gps.longitude);
+            lcd.printf("%.4f, %.4f, %.4f", gps.latitude, gps.longitude);
         }       
         else // For no signal
         {
@@ -61,21 +63,29 @@
             lcd.locate(1,1);
             lcd.printf("GPS: No Lock!");
         }
-        
+ */       
         // Compass
-        Offset = compass.readBearing();  // Initial definitions
-        GenBearing = (compass.readBearing()/10 - Offset/10);
-        Comp = fopen("/USB/Compass.txt", "a");
-        if (GenBearing < 0)
-        {
-            GenBearing = 0 - GenBearing;
-        }
-        fprintf(Comp, "Bearing: %.2f\r\n", GenBearing);
-        lcd.locate(1,11);
-        lcd.printf("Offset: %.2f, CMP: %.2f", Offset/10, GenBearing);
-*/        
+        //Offset = compass.readBearing();  // Initial definitions
+       // GenBearing = (compass.readBearing()/10 - Offset/10);
+            Comp = fopen("/USB/Compass.txt", "a");
+            fprintf(Comp, "%f\r\n", compass.readBearing());
+            lcd.locate(1,11);
+            lcd.printf("Offset: %f, CMP: %f", Offset, compass.readBearing());
+                            
+              
+                           /* GenBearing = compass.readBearing()/10;  
+                            Comp = fopen("/USB/Compass.txt", "a");
+                            if (GenBearing < 0)
+                            {
+                                GenBearing = 0 - GenBearing;
+                            }
+                            fprintf(Comp, "%f\r\n", GenBearing);
+                            lcd.locate(1,11);
+                            lcd.printf("Offset: %.2f, CMP: %.2f", Offset/10.0, GenBearing);
+                            */
         fclose(Accel);
         //fclose(GPS);
-        //fclose(Comp);
+        fclose(Comp);
+        i++;
     }
 }  
\ No newline at end of file