Diff: main.cpp

Revision:

0:d27ad797b936

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 14 20:00:47 2018 +0000
@@ -0,0 +1,126 @@
+#include "mbed.h"
+#include "LCD_DISCO_F429ZI.h"
+#include <math.h>
+
+LCD_DISCO_F429ZI lcd;
+
+DigitalOut green(LED1, 0);
+DigitalOut red(LED2, 1);
+
+InterruptIn button(USER_BUTTON);
+
+uint8_t str1[30], str2[30];
+
+int qsecs = 0;
+int seconds = 0;
+int minutes = 0;
+int hours = 0;
+
+float multiplier = 9.5;
+
+int radius = 70;
+int centerx = 120;
+int centery = 240;
+
+float delaytime = 0.25;
+
+struct save
+{
+    bool exists;
+    int h;
+    int m;
+    int s;
+}one, two;
+
+void button_pressed()
+{
+    
+    one.exists = 1;
+    one.h = hours;
+    one.m = minutes;
+    one.s = seconds;
+    
+    red = 0;
+    green = 1;   
+    hours = 0; 
+    minutes = 0;
+    seconds = 0;
+    qsecs = 0;
+    
+    lcd.Clear(LCD_COLOR_WHITE);
+}
+
+void button_notpressed()
+{
+   green = 0; 
+   red = 0;
+}
+
+void DrawClock(int second)
+{
+    
+    if (second == 0)
+        lcd.Clear(LCD_COLOR_WHITE);
+
+    double angle = second/multiplier;
+    double endx = centerx+radius*sin(angle);
+    double endy = centery-radius*cos(angle);
+    lcd.DrawCircle(centerx, centery, radius);
+    lcd.DrawLine(centerx, centery, endx, endy);
+}
+
+int main()
+{   
+    BSP_LCD_SetFont(&Font20);
+    lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"Timer Program", CENTER_MODE);
+    lcd.DisplayStringAt(0, LINE(6), (uint8_t *)"Mohammad Mustafa", CENTER_MODE);
+    wait(2);
+    lcd.Clear(LCD_COLOR_WHITE);
+    
+    one.exists = 0;
+    
+    while(1)
+    {
+        button.rise(&button_pressed);
+        button.fall(&button_notpressed);
+            
+        if(button.read()==0)   
+        {
+            red = !red; 
+            qsecs++;
+        }   
+        if(qsecs%4 == 0 && qsecs != 0)
+        {
+            qsecs = 0;
+            seconds++;
+        }
+            
+        if(seconds%60 == 0 && seconds != 0)
+        {
+            seconds = 0;
+            minutes++;
+        }
+        if(minutes%12 == 0 && minutes != 0)
+        {   
+            minutes = 0;
+            hours++;
+        }
+        
+        if(one.exists)
+        {
+            sprintf((char*)str1, "Last Time: %d:%d:%d", one.h, one.m, one.s);
+            lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&str1, LEFT_MODE);
+        }
+        
+        sprintf((char*)str1, "HR:MIN:SEC:qSEC");
+        sprintf((char*)str2, "%d:%d:%d:%d", hours, minutes, seconds, qsecs);
+        lcd.DisplayStringAt(0, LINE(6), (uint8_t *)&str1, CENTER_MODE);
+        lcd.DisplayStringAt(0, LINE(7), (uint8_t *)&str2, CENTER_MODE);
+        
+        DrawClock(seconds%60);
+        wait(delaytime);
+    }
+}
+
+
+