Logs analog data

Dependencies:   SDFileSystem mbed

Files at this revision

API Documentation at this revision

Comitter:
veskokaradzhov
Date:
Tue Feb 12 15:37:57 2013 +0000
Commit message:
Code for logging analog sensors

Changed in this revision

SDFileSystem.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Tue Feb 12 15:37:57 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4
--- /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
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Feb 12 15:37:57 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/0954ebd79f59
\ No newline at end of file