Diff: main.cpp

Revision:

0:933481fda425

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 11 22:12:11 2015 +0000
@@ -0,0 +1,78 @@
+/** 
+@file main.cpp
+@brief program main and its implementation
+@brief call functions here need one
+*/
+
+ #include "main.h"
+
+int main()
+{
+    PHY_PowerDown();  ///power down to minimise power usage 
+    lcd.init();        ///nitialise lcd display
+    welcomeMessage();  //print welcome message 
+    lcd.clear();       //clear lcd
+    
+    button.rise(&buttonPressed);  //event generated on rising edge
+    
+    
+   set_time(1431359340);   ///set time using UNIX time
+
+    while(1) {
+        ///potentiometer to control the lcd backlight
+        if (potBrightness <= 0.1) {
+            lcd.turnOff();
+
+
+        }
+        if (potBrightness >= 0.1) {
+            lcd.init();
+            lcdBrightness=potBrightness;
+        }
+        
+        
+        lcd.clear();
+        getDistance();    ///sensor measure the distance
+        
+        ///print distance measure on the lcd 
+        char buffer [14];
+        int length = sprintf(buffer,"%d cm",distance);
+        if (length<=14)
+        lcd.printString(buffer, 22,1);  //print distance
+        lcd.drawRect(20,6,45,10,0);     //box for value of distance on lcd
+
+        
+        ///if button is pressed, read distance (print car and wall)
+        if (buttonFlag) { //if flag is set = 1
+
+            setTimeFlag = ~setTimeFlag;   //if button is pressed again, back to initial display
+            buttonFlag = 0;    //button flag is set to initial value
+        }
+
+        if (setTimeFlag) {
+             readDistance();  //draw car and obstacle
+            
+
+
+        } else {
+           
+            timeZone();  ///Display time & date to the user
+
+
+        }
+
+    }
+}
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