Diff: main.cpp

Revision:

5:dee2286a6b76

Parent:

4:abbab29cf5c1

--- a/main.cpp	Sat Apr 02 11:17:48 2016 +0000
+++ b/main.cpp	Tue Jan 15 14:47:50 2019 +0000
@@ -1,11 +1,11 @@
 /**
  * Demo for the Clock library <https://developer.mbed.org/users/hudakz/code/Clock/>
- * 
- * Note: Software implemented Real Time Clock driven by a Ticker. 
+ *
+ * Note: Software implemented Real Time Clock driven by a Ticker.
  *       No external hardware (like DS1307 or DS3231 or etc.) is needed.
- * 
+ *
  */
- 
+
 #include "mbed.h"
 #include "Clock.h"
 
@@ -16,12 +16,12 @@
 
 // Create alarms as needed
 time_t  alarm1 = Clock::asTime(2015, 3, 24, 11, 36, 15);  // year, month (1 stands for Jan etc.), day of month, hour, minute, second
-time_t  alarm2 = Clock::asTime(2015, 3, 24, 11, 37, 30); 
+time_t  alarm2 = Clock::asTime(2015, 3, 24, 11, 37, 30);
 
 volatile bool   ticked = false;  // tick flag
 
 /**
- * @brief   Clock tick event handler (called once a second)
+ * @brief   Clock tick ISR - event handler (called once a second)
  * @note    Keep it as short as possible.
  * @param
  * @retval
@@ -32,86 +32,101 @@
 
 /**
  * @brief   Main
- * @note    
+ * @note
  * @param
  * @retval
  */
 int main() {
-    rtc.attach(&onClockTick);  // attach a handler function to the rtc's tick event
+    time_t      rawtime;
+    struct tm*  p_tm;
     
+    rtc.attach(onClockTick);  // attach a handler function to the rtc's tick event
+
     //
     // Set rtc for instance to 2015, March, 24th, 11 hours, 35 minutes, 45 seconds
     //
     rtc.set(2015, 3, 24, 11, 35, 45);
+    //rawtime = time(NULL);        // if you like to call C library time function 
+    rawtime = rtc.time();        // if you like to call Clock function
+                    
+    p_tm = gmtime(&rawtime);
+    printf("Current time around the World:\r\n");
+    printf("Phoenix, AZ (U.S.) : %d:%d\r\n", (p_tm->tm_hour -7) % 24, p_tm->tm_min);
+    printf("Reykjavik (Iceland) : %d:%d\r\n", (p_tm->tm_hour + 0) % 24, p_tm->tm_min);
+    printf("Beijing (China) : %d:%d\r\n", (p_tm->tm_hour + 8) % 24, p_tm->tm_min);
+
+
 
     while (true) {
         if(ticked == true) {
-            ticked = false;  // clear the flag for next use
-            
-            // In your application you can
-            // draw clock hands on a graphical display
-            // or update digital display or etc.
+            ticked = false;  // clear the flag for next use in ISR
+
+            // You draw clock hands on a graphical display
+            // or update/refresh digital display or etc.
             // ...
-            // In this demo we just display some info on the connected PC's terminal ..
+            // In this demo we just display some info on the PC's serial terminal ..
             //
-            pc.printf("==================================================\n");
-            //time_t time = time(NULL);   // you can call C library time function if you like
-            time_t time = rtc.time();     // or Clock function
-            pc.printf("Time as seconds since January 1, 1970 = %d\n", time);
-            pc.printf("Time as a basic string = %s\n", ctime(&time));
-        
+            pc.printf("==================================================\r\n");
+            //rawtime = time(NULL);        // if you like you can call C library time function 
+            rawtime = rtc.time();        // or Clock's function
+            pc.printf("Time as seconds since January 1, 1970 = %d\r\n", rawtime);
+            pc.printf("Time as a basic string = %s", ctime(&rawtime));
+            
             //
             // Use custom format:
             //
             char buffer[32];
-            strftime(buffer, 32, "%I:%M %p", localtime(&time));
-            pc.printf("Time as a custom formatted string = %s\n", buffer);
-            
+            strftime(buffer, 32, "%I:%M %p", localtime(&rawtime));
+            pc.printf("Time as a custom formatted string = %s\r\n", buffer);
+
             //
             // Create your own format:
             //
-            pc.printf("Date:  %.4d-%.2d-%.2d\n", rtc.year(), rtc.mon(), rtc.mday());
-            pc.printf("Time:  %.2d:%.2d:%.2d\n", rtc.hour(), rtc.min(), rtc.sec());
+            pc.printf("Date:  %.4d-%.2d-%.2d\r\n", rtc.year(), rtc.mon(), rtc.mday());
+            pc.printf("Time:  %.2d:%.2d:%.2d\r\n", rtc.hour(), rtc.min(), rtc.sec());
             
+            pc.printf("------------------------------------\r\n");
+
             //
             // Perform periodical tasks:
             //
             if(rtc.sec() % 10 == 0) {
-                pc.printf("Called once per 10 seconds\n");
+                pc.printf("Called once a 10 seconds\r\n");
             }
-            
+
             if(rtc.sec() == 0) {
-                pc.printf("Called once per minute.\n");
-                
+                pc.printf("Called once a minute.\r\n");
+
                 if(rtc.min() % 5 == 0)
-                    pc.printf("Called once per 5 minutes\n");
-        
+                    pc.printf("Called once a 5 minutes\r\n");
+
                 if(rtc.min() == 0) {
-                    pc.printf("\Called once per hour\n");
-                    
+                    pc.printf("Called once an hour\r\n");
+
                     if(rtc.hour() % 3 == 0)
-                        pc.printf("Called once per 3 hours\n");
-        
+                        pc.printf("Called once a 3 hours\r\n");
+
                     if(rtc.hour() == 0) {
-                        pc.printf("Called at midnight\n");
-                        
+                        pc.printf("Called at midnight\r\n");
+
                         if(rtc.wday() == 3)
-                            pc.printf("Called on Wednesday at midnight\n");
+                            pc.printf("Called on Wednesday at midnight\r\n");
                     }
                 }
             }
-        
+
             //
             // Trigger the alarms:
             //
             if(rtc.time() == alarm1) {
-                pc.printf("Alarm1 triggered!\n");
+                pc.printf("Alarm1 triggered!\r\n");
             }
-        
+
             if(rtc.time() == alarm2) {
-                pc.printf("Alarm2 triggered!\n");
+                pc.printf("Alarm2 triggered!\r\n");
             }
+            
+            pc.printf("------------------------------------\r\n");
         }
     }
-}
-
+}
\ No newline at end of file