Revision 1:5b42fa6e0a73, committed 2016-03-01

Comitter:

gegjackson

Date:

Tue Mar 01 15:21:35 2016 +0000

Parent:

0:2f8627e2b4c7

Commit message:

a

Changed in this revision

--- a/main.cpp	Mon Feb 29 15:11:21 2016 +0000
+++ b/main.cpp	Tue Mar 01 15:21:35 2016 +0000
@@ -1,18 +1,31 @@
 #include "CMPS03.h"
 #include "mbed.h"
+
 CMPS03 compass(p9, p10, CMPS03_DEFAULT_I2C_ADDRESS);
 Serial pc(USBTX, USBRX);
+LocalFileSystem local("local"); // Create the local filesystem called "local"
+float data[100];
+DigitalOut myled(LED3);
+
  
 int main() {
  
-    pc.printf("Starting CMPS03 test...\n");
- 
-    while(1){
-        
-        wait(0.1);
-        
-        pc.printf("Bearing is: %f\n", compass.readBearing() / 10.0);
+        for (int i=0; i<100; i++) 
+    {
+        data[i] = (compass.readBearing() / 10.0);
+        wait (0.1);// so all the results aren't taken as quickly as the mbed can process. total time = wait time * number of items in array
+    }
     
+    myled = 1;//flash an led to display the program has stopped taking readings
+    wait(0.2);
+    myled = 0;
+    wait(0.2);
+
+    FILE *fpcmp = fopen("/local/cmpvalues.txt", "w"); // Open "cmpvalues.txt"
+    for (int i=0; i<100; i++) 
+    {
+        fprintf(fpcmp,"%f \n ",data[i]); //print the data values to the file
     }
- 
-}
\ No newline at end of file
+    fclose(fpcmp); //save and close the file
+    
+    }
\ No newline at end of file