christian l.
/
lightdetector
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Revision 0:f1db4613080a, committed 2011-02-15
- Comitter:
- christian
- Date:
- Tue Feb 15 21:24:10 2011 +0000
- Commit message:
Changed in this revision
diff -r 000000000000 -r f1db4613080a TextLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Tue Feb 15 21:24:10 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#44f34c09bd37
diff -r 000000000000 -r f1db4613080a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Feb 15 21:24:10 2011 +0000
@@ -0,0 +1,23 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3
+
+AnalogIn Vin(p20); // 3.3V Vout - 4K7 resistor - pin20 - LDR -100 ohm resistor - GND
+
+ main()
+ {
+ while(1) {
+ int x = 0;
+
+ for (int i=0;i<=100;i++){
+ x = x + 1000*(1-Vin.read()); //build average from 100 values
+ wait (0.01);
+ }
+ x=x/100;
+ lcd.cls();
+ lcd.printf("light intensity\n");
+ lcd.printf("%d\n",x); //value x is only relative,maybe anybody could calibrate it ?
+
+ }
+}
diff -r 000000000000 -r f1db4613080a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 15 21:24:10 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912