Diff: main.cpp

Revision:

0:53f28990602d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 08 21:54:44 2015 +0000
@@ -0,0 +1,42 @@
+/**
+@file main.cpp
+
+@brief Program implementation
+@brief Functions are called here when needed
+*/
+#include "main.h"
+                                    //main function
+int main()
+{
+    PHY_PowerDown();                        //Ethernet Power Down
+    lcd.init();                             // the LCD display is initiated first when switch is on
+    welcomeText();
+    lcd.clear();
+    button.rise(&buttonPressed);            //event generated on rising edge
+    
+    /// distance is measured in this loop
+    while (1) {
+        lcdBrightness = potBrightness;      //to adjust brightness using potentiometer
+        getDistance();
+        readDistance();
+        lcd.clear();
+     /// buttonFlag is set back to 0   
+    if (buttonFlag){                        //if flag is set = 1
+        
+        ///the value of displayReading is inverted
+        displayReading = ~displayReading;   //if '~displayReading'(button is pushed again) value will not be dispayed 
+        buttonFlag = 0;                     // reset button back to 0
+        }
+        
+        ///if the condition is meet, value of distance will be displayed
+    if (displayReading){                    //if 'displayReading'(button is pushed) value of distance is displayed
+        int distance=sensor.getDistanceCm();
+        char buffer[14];
+        int length = sprintf(buffer,"D= %d cm",distance);
+        if(length<=14)
+        lcd.printString(buffer,7,1);
+        lcd.drawRect(5,6,60,10,0);            //lcd.drawRect(76(x),0(y),7(w),48(h),1(type))>>>>box for distance value
+        }
+    }
+}
+