Diff: main.cpp

Revision:

1:742882520852

Parent:

0:9fac448e0530

--- a/main.cpp	Sat Mar 27 07:10:12 2010 +0000
+++ b/main.cpp	Wed Sep 03 10:26:52 2014 +0000
@@ -1,68 +1,38 @@
-//
-// RTC Test Program
-//          Kenji Arai / JH1PJL
-//          March 27th,2010  Started
-//          March 27th,2010  
-//
 #include "mbed.h"
-#include "TextLCD.h"
 
-#define TIME_KEEP_AS_IS
-//#define STYLE1
-#define STYLE2
-
-DigitalOut myled1(LED1);                                // Assign LED1 output port
-TextLCD lcd(p22, p28, p27, p26, p25, p24, p23, 40, 2);  // rs,rw,e,d0,d1,d2,d3,40char's x 2 lines
+DigitalOut myled(LED1);  // Assign LED1 output port
+time_t previousSeconds;
+long interval = 1;
 
-int main() {
-    char buf[40];
-    time_t seconds;
-
-#ifndef TIME_KEEP_AS_IS
-    // setup time structure for 27 March 2010 13:24:00
+void setup()
+{
+    // setup time structure for 26 August 2014 00:00:00
     struct tm t;
     t.tm_sec = 00;    // 0-59
-    t.tm_min = 24;    // 0-59
-    t.tm_hour = 13;   // 0-23
-    t.tm_mday = 27;   // 1-31
-    t.tm_mon = 3;     // 0-11
-    t.tm_year = 110;  // year since 1900
-    seconds = mktime(&t);
+    t.tm_min = 00;    // 0-59
+    t.tm_hour = 00;   // 0-23
+    t.tm_mday = 26;   // 1-31
+    t.tm_mon = 8;     // 0-11
+    t.tm_year = 114;  // year since 1900
+    
+    time_t seconds = mktime(&t);
     set_time(seconds);
-#endif
-    lcd.cls();
-    lcd.locate(0, 0);
-    lcd.locate(0, 0);   // 1st line top    
-    lcd.printf("since Jan.1,1970 = %d\n", seconds);
-    wait(2.0);
-    // If you have implemented the "Windows USB Serial Port Driver", you can use follows.
-    // http://mbed.org/projects/handbook/wiki/WindowsSerialConfiguration
-    printf("\r\n  Start RTC Test Program\r\n ");
-#ifdef TIME_KEEP_AS_IS
-    printf("Defined TIME_KEEP_AS_IS\r\n");
-#else
-    printf("Not define TIME_KEEP_AS_IS\r\n");
-#endif
-    for(;;){
-        myled1 = 1;
-        wait(0.5);
-        myled1 = 0;
-        wait(0.5);
-        seconds = time(NULL);       
-        lcd.cls();
-        lcd.locate(0, 0);   // 1st line top
-        lcd.printf("It is %d sec since Jan.1,1970\n", seconds); 
-        lcd.locate(0, 1);   // 2nd line top
- #ifdef STYLE1
-        //                  27 Mar 2010 13:24:00
-        strftime(buf,40, "%x %X \n", localtime(&seconds));
- #endif
- #ifdef STYLE2
-        //                 13:24:00 PM (2010/03/27)
-        strftime(buf,40, "%I:%M:%S %p (%Y/%m/%d)\n", localtime(&seconds));
- #endif
-        lcd.printf("Time = %s", buf);
-        printf("Time = %s\r", buf);
+    previousSeconds = seconds;
+}
+
+void loop()
+{
+    time_t currentSeconds = time(NULL);
+    if(currentSeconds - previousSeconds > interval) {
+        previousSeconds = currentSeconds; // save the last time you blinked the LED
+        myled = !myled;
     }
 }
 
+int main()
+{
+    setup();
+    while(1) loop();
+}
+
+