Diff: main.cpp

Revision:

0:c4cf65fb17fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Feb 12 15:37:57 2013 +0000
@@ -0,0 +1,53 @@
+//  ANALOG SENSORS
+//  Logs information from all 6 analog inputs for 5 seconds in 100msec intervals (this is adjustable)
+//  and writes the data to a "log.fbr" file on the SD card.
+
+#define INTERVAL 0.100         //100 msec interval
+#define NUM_OF_READINGS 50     //number of readings to be logged
+#define MAX_VOLTAGE 3.3        //Readings are normalised to values between 0 and 1, need to multiply readings by 3.3V
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <fstream>
+#include <iomanip>
+
+AnalogIn ain1(p15);   // SENSOR PINOUTS
+AnalogIn ain2(p16);
+AnalogIn ain3(p17);
+AnalogIn ain4(p18);
+AnalogIn ain5(p19);
+AnalogIn ain6(p20);
+
+DigitalOut led(LED1);   // LED PINOUT
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");   //SD CARD PINOUT
+
+ofstream out;  // define output stream
+
+int main() {
+
+    out.open("/sd/log.fbr");
+    out<<"START LOGGING\n";
+    
+    for(int n=1;n<=NUM_OF_READINGS;n++)
+    {
+    out<<setw(2)<<n
+    <<setw(10)<<ain1*MAX_VOLTAGE
+    <<setw(10)<<ain2*MAX_VOLTAGE
+    <<setw(10)<<ain3*MAX_VOLTAGE
+    <<setw(10)<<ain4*MAX_VOLTAGE
+    <<setw(10)<<ain5*MAX_VOLTAGE
+    <<setw(10)<<ain6*MAX_VOLTAGE
+    <<endl;
+    
+    wait(INTERVAL);
+    }
+  
+    out<<"END LOGGING\n";
+    out.close();  // close output stream
+    
+    //////////////////////////////////////////////////////////////////////////////////////////
+    led=1;
+    wait(0.5);
+    led=0;        // After the LED blinks, the program is done and the SD card may be removed.
+    //////////////////////////////////////////////////////////////////////////////////////////
+}
\ No newline at end of file