Diff: main.cpp

Revision:

3:3dc3d2da405a

Parent:

2:f48fe83aecca

Child:

4:e485ad337011

--- a/main.cpp	Thu May 07 15:40:58 2015 +0000
+++ b/main.cpp	Thu May 07 15:49:17 2015 +0000
@@ -51,18 +51,25 @@
 int brightness = light; // init the brightness to 1 
 int state = centimeter; // inie the state to 1
 
-// Interrupt Service Routine
+/** 
+@Interrupt Service Routine
+*/
 void buttonPressed()
 {   
     buttonFlag = 1; // set S3 flag  
 }
-
+/**
+@Interrupt Service Routine
+*/
 void buttonPressed2()
 {  
     state = !state; // change  the state when press the button 
     
 }
-
+/**
+read ten times results from the sensor in 1 second
+calculate the average 
+*/
 float getAverage()// calculate the average distance
 {
     int sum = 0; // sum = 0
@@ -84,10 +91,10 @@
 
 }
 /**
-Add up two variable 
-@param a - integer to add
-@param b - integer to add
-@use the a & b to dispaly the distance in inches and centimeter  
+RTC is used 
+The button S2 is used to change the unit
+The button S3 is used to change the brightness
+Display the result and time on the LCD
 */
 int main()
 {