Diff: keyboard.cpp

Revision:

8:dd258f9e24b0

Parent:

7:779c5b8d3b14

Child:

9:311b6676272d

--- a/keyboard.cpp	Sat Jul 05 16:32:03 2014 +0000
+++ b/keyboard.cpp	Wed Jul 09 07:52:00 2014 +0000
@@ -9,7 +9,7 @@
 InterruptIn CDU_KB_INT( p5 );  //Set CDU keyboard interrupt line. 
 I2C CDU_I2C(p28, p27);          //I2C bus for keyboard/temp chip.
 
-//CDU Keyboard LEDS (can be PWM driven also...)
+//CDU Keyboard LEDS
 DigitalOut EXEC( p12 );
 DigitalOut FAIL( p17 );
 DigitalOut DSPY( p18 );
@@ -42,6 +42,7 @@
 
 void CDU_SET_BGL_INTENSITY( int nVal=255 )
 {
+    //This routine must be called 5-10x per second. Manual test to see what is pleasant to see
     //AnalogIn BGL_POT( p15 ); //background light control potmeter. Returns a value between 0.0 and 1.0
     //PwmOut BGL_LED( p21 );   //PWM output
     //calculate required brightness in percentage from 0%-100%
@@ -66,7 +67,7 @@
         case 255:
         {
             //calculate percentage from potmeter value
-            BGL_LED.pulsewidth( 0.0 + 100*BGL_POT );
+            BGL_LED = ( 0.0 + 100*BGL_POT );
         }
     }
 }