Diff: main.cpp

Revision:

0:473315f27686

Child:

1:e68be371bf77

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 29 15:08:03 2016 +0000
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "MMA7660.h"
+#include "stdio.h"
+/*THIS FILE IS MADE TO RUN ON THE MBED. IT WILL TAKE ACCELEROMETER VALUES AND WRITE THEM
+TO A TEXT FILE AND THE CONNECTED COMPUTER*/
+
+DigitalOut myled(LED1);
+MMA7660 MMA(p28, p27); // Accelerometer connections
+float ax, ay, az; //allocations for the x, y, z values
+Serial pc(USBTX,USBRX); // serial port
+LocalFileSystem local("local"); // Create the local filesystem called "local"
+int main()
+{
+    float data[100]; // three data arrays, with 100 entries
+    float data1[100];
+    float data2[100];
+
+
+    for (int i=0; i<100; i++) 
+    {
+        ax=MMA.x(); //ax is the x value from the accelerometer
+        data[i] = ax ; //place the value of the accelerometer into the 1st array
+        ay=MMA.y();
+        data1[i] = ay ;
+        az=MMA.z();
+        data2[i] = az;
+    }
+    
+    myled = 1;//flash an led to display the program has stopped taking readings
+    wait(0.2);
+    myled = 0;
+    wait(0.2);
+
+    FILE *fp = fopen("/local/accvalues.txt", "w"); // Open "accvalues.txt"
+    for (int i=0; i<100; i++) 
+    {
+        fprintf(fp,"%f %f %f\n",data[i], data1[i], data2[i]); //print the data values to the file
+    }
+    fclose(fp); //save and close the file
+
+    pc.printf("these are the accelerometer values: \n");
+    for (int i=0; i<100; i++) 
+    {
+        pc.printf("%f %f %f\n",data[i], data1[i], data2[i]); //print the values to the pc via putty
+    }
+}
+
+
+