Diff: main.cpp

Revision:

0:94bb7dad733c

Child:

1:c782bfadd12d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 02 07:16:35 2010 +0000
@@ -0,0 +1,59 @@
+//  This code based on 
+//  http://mbed.org/users/okano/notebook/nxp_pcf2127a-demo-code/
+//  http://mbed.org/users/roen/notebook/real-time/
+//
+//  2010-07-02  @nxpfan
+//  Released under the MIT License: http://mbed.org/license/mit
+
+#include "mbed.h"
+#include "TextLCD.h"
+
+TextLCD lcd(p24, p25, p26, p27, p28, p29, p30); // rs, rw, e, d0, d1, d2, d3
+Ticker  updater;
+
+void lcd_update()
+{
+    struct tm   dt, *dtp;
+    time_t      t;
+    char        s[ 30 ];
+    dtp = &dt;
+
+    t       = time( NULL );
+    dtp     = localtime( &t );
+
+    strftime( s, 20, "%H:%M:%S", dtp );
+    lcd.locate( 0, 0 );
+    lcd.printf( "%s", s );
+
+    strftime( s, 20, "%Y/%b/%d(%a)", dtp );
+    lcd.locate( 0, 1 );
+    lcd.printf( "%s", s );
+}
+
+int main() {
+
+    // get the current time from the terminal
+    struct tm t;
+
+    if ( ((time_t)-1) == time( NULL ) ) {
+        lcd.locate( 0, 0 );
+        lcd.printf( "please set time from terminal" );
+
+        printf("Enter current date and time:\n");
+        printf("YYYY MM DD HH MM SS[enter]\n");
+        scanf("%d %d %d %d %d %d", &t.tm_year, &t.tm_mon, &t.tm_mday
+              , &t.tm_hour, &t.tm_min, &t.tm_sec);
+
+        // adjust for tm structure required values
+        t.tm_year = t.tm_year - 1900;
+        t.tm_mon = t.tm_mon - 1;
+
+        // set the time
+        set_time(mktime(&t));
+    }
+
+    updater.attach(&lcd_update, 1.0);
+
+    while (1)
+        ;
+}
\ No newline at end of file