InetrfaceProducts NXP / Mbed 2 deprecated PCF2127_Hello

Demo code for PCF2127 (and PCF2129) library. Setting of time and displaying can be done on PC-terminal application through the USB Serial Port. PCF2127 and PCF2129 are high accuracy real-time-clock (RTC) module. This library provides simple interface to accessing clock information.

Dependencies:   PCF2127 mbed

Demo code for PCF2127 library

Information

The "PCF2127" library works for PCF2127T, PCF2127AT, PCF2129T and PCF2129AT.

The device information is available on the component page and the library page.

PCF2127T
PCF2127T is in SO16 package

Files at this revision

API Documentation at this revision

Revision 0:658f351580f0, committed 2014-12-09

Comitter:
nxp_ip
Date:
Tue Dec 09 07:23:50 2014 +0000
Child:
1:86dc8dfe6a20
Commit message:
A sample code for PCF2127 library. Initial version

Changed in this revision

PCF2127.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCF2127.lib	Tue Dec 09 07:23:50 2014 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/nxp_ip/code/PCF2127/#700e0285cfd8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 09 07:23:50 2014 +0000
@@ -0,0 +1,77 @@
+/*
+ *  A sample code for PCF2127 library
+ *
+ *  @author     Akifumi (Tedd) OKANO, NXP Semiconductors
+ *  @version    1.6
+ *  @date       09-Dec-2014
+ *
+ *  PCF2127 is a "real time clock (RTC)" module which is including a Xtal and TCXO
+ *  http://www.nxp.com/products/interface_and_connectivity/real_time_clocks/rtcs_with_temp_compensation/series/PCF2127.html
+ *
+ *  RTC initializing part is ported from..
+ *    http://mbed.org/users/roen/notebook/real-time/
+ *
+ *  This code is refined version of..
+ *    http://developer.mbed.org/users/okano/code/NXP_PCF2127A/
+ */
+ */
+
+#include "mbed.h"
+#include "PCF2127.h"
+
+PCF2127 rtc( p28, p27 );
+
+void    show_time( void );
+void    set_time( void );
+
+int main()
+{
+    printf( "PCF2127 demo started.\r\n" );
+
+    if ( rtc.is_init_required() ) {
+        set_time();
+    }
+
+    while ( 1 ) {
+        show_time();
+        wait( 0.25 );
+    }
+}
+
+void show_time( void )
+{
+    struct tm   dt, *dtp;
+    time_t      t;
+    char        s[ 30 ];
+    
+    dtp     = &dt;
+
+    rtc.clear_intr();
+
+    //  get time information from PCF2127
+    if ( PCF2127::TIME_FUNC_ERROR == (t   = rtc.time( NULL )) )
+    {
+        printf( "error at reading time\r\n" );
+        return;
+    }
+    
+    dtp     = localtime( &t );
+
+    //  print time and date on terminal
+    strftime( s, 30, "%H:%M:%S, %Y/%b/%d %a", dtp );
+    printf( "%s\r\n", s );
+}
+
+void set_time( void )
+{
+#define MAX_CHAR_LENGTH 21
+    char    s[ MAX_CHAR_LENGTH ];
+
+    printf( "Enter current date and time:\r\n" );
+    printf( "YYYY MM DD HH MM SS[enter]\r\n" );
+
+    fgets( s, MAX_CHAR_LENGTH, stdin );
+    printf( "user input: \"%s\"\r\n", s );
+
+    rtc.set_time( s );
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Dec 09 07:23:50 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5
\ No newline at end of file