rtc class

Dependencies:   mbed

Fork of rtc_func by HIMBED_3AHELI

Files at this revision

API Documentation at this revision

Comitter:
Hevi
Date:
Thu Apr 16 10:25:35 2015 +0000
Parent:
1:554eb6675279
Commit message:
rtc functions in class RTC8563 transferred

Changed in this revision

RTC8563.cpp Show annotated file Show diff for this revision Revisions of this file
RTC8563.h Show annotated file Show diff for this revision Revisions of this file
const.h 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
diff -r 554eb6675279 -r c3120898fc96 RTC8563.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC8563.cpp	Thu Apr 16 10:25:35 2015 +0000
@@ -0,0 +1,63 @@
+//
+//  @ Project : RTC Date Time Clock
+//  @ File Name : RTC8563.cpp
+//  @ Date : 06.04.2015
+//  @ Author : Daniel Hevesy
+//  @ Copyright : daniel.hevesy-szetty@bulme.at
+//
+ 
+#include "mbed.h"
+#include "const.h"
+ 
+#include "RTC8563.h"
+ 
+RTC8563::RTC8563() : i2c(p28, p27)  // delete void and add call to base constructor 
+{
+    // Initialise I2C
+    i2c.frequency(40000);              
+    char init1[2] = {0x6, 0x00};
+    char init2[2] = {0x7, 0xff};
+    i2c.write(0x40, init1, 2);
+    i2c.write(0x40, init2, 2);
+}
+ 
+RTC8563::RTC8563(PinName sda, PinName scl) : i2c(sda, scl) 
+{
+   // Initialise I2C
+    i2c.frequency(40000);              
+    char init1[2] = {0x6, 0x00};
+    char init2[2] = {0x7, 0xff};
+    i2c.write(0x40, init1, 2);
+    i2c.write(0x40, init2, 2);
+}
+ 
+char RTC8563::rtc_read(char address)
+{
+    char value;
+    i2c.start();
+    i2c.write(RTC8563_ADR);
+    i2c.write(address);
+    i2c.start();
+    i2c.write(RTC8563_ADR | _READ);
+    value = i2c.read(0);
+    i2c.stop();
+ 
+    return value;
+}
+ 
+void RTC8563::rtc_write(char address, char value)
+{
+    i2c.start();
+    i2c.write(RTC8563_ADR);
+    i2c.write(address);
+    i2c.write(value);
+    i2c.stop();
+}
+ 
+void RTC8563::rtc_init()
+{
+}
+ 
+void RTC8563::rtc_alarm()
+{
+}
diff -r 554eb6675279 -r c3120898fc96 RTC8563.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC8563.h	Thu Apr 16 10:25:35 2015 +0000
@@ -0,0 +1,27 @@
+//
+//  @ Project : RTC8563
+//  @ File Name : RTC8563.h
+//  @ Date : 16.04.2015
+//  @ Author : Daniel Hevesy
+//  @ Copyright : daniel.hevesy-szetty@bulme.at
+//
+#include "mbed.h"
+#include "const.h"
+ 
+#if !defined(_RTC8563_H)
+#define _RTC8563_H
+ 
+class RTC8563
+{
+public:
+    RTC8563();          // delete void
+    RTC8563(PinName sda, PinName scl);
+    char rtc_read(char address);
+    void rtc_write(char address, char value);
+    void rtc_init();
+    void rtc_alarm();
+protected:
+    I2C i2c;
+};
+ 
+#endif  //_RTC8563_H
\ No newline at end of file
diff -r 554eb6675279 -r c3120898fc96 const.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/const.h	Thu Apr 16 10:25:35 2015 +0000
@@ -0,0 +1,36 @@
+/***********************************
+name:   const.h    Version: 0.1
+//  @ Author : Daniel Hevesy
+//  @ Copyright : daniel.hevesy-szetty@bulme.at
+description:
+  Named constants definitions for registers 
+  PCF8563 RTC on HIMBED M0 - LPC11U24 
+***********************************/
+ 
+#ifndef CONST_H
+#define CONST_H
+ 
+// Address of RTC
+const int RTC8563_ADR = 0xA2;
+// Control and status
+const int CONTROL1 = 0x00;
+const int CONTROL2 = 0x01;
+// Time and date
+const int SECONDS = 0x02;   
+const int MINUTES = 0x03;
+const int HOURS = 0x04;
+const int DAYS = 0x05;
+const int WEEKDAYS = 0x06;
+const int MONTHS = 0x07;
+const int YEARS = 0x08;
+// Alarm
+const int MINUTE_ALARM = 0x09;
+const int HOUR_ALARM = 0x0A;
+const int DAY_ALARM = 0x0B;
+const int WEEKDAY_ALARM = 0x0C;
+// Clock and timer
+const int CLOCKOUT_FREQ = 0x0D;
+const int TIMER_CINTROL = 0x0E;
+const int _READ = 0x01;
+ 
+#endif
\ No newline at end of file
diff -r 554eb6675279 -r c3120898fc96 main.cpp
--- a/main.cpp	Wed Apr 15 07:15:25 2015 +0000
+++ b/main.cpp	Thu Apr 16 10:25:35 2015 +0000
@@ -6,156 +6,50 @@
     Real Time Clock (RTC8563) 
     on HIMBED M0 - LPC11U24 
     prints formatted time and date values to serial port
-    programed by Franz Wolf (wf@bulme.at) 
+//  @ Author : Daniel Hevesy
+//  @ Copyright : daniel.hevesy-szetty@bulme.at
 ***********************************/
 #include "mbed.h"
-
-// Symbolic constants
-#define RTC8563_ADR 0xA2
-#define CONTROL1 0x00
-#define CONTROL2 0x01
-#define SECONDS 0x02
-#define MINUTES 0x03
-#define HOURS 0x04
-#define DAYS 0x05
-#define WEEKDAYS 0x06
-#define MONTHS 0x07
-#define YEARS 0x08
-#define MINUTE_ALARM 0x09
-#define HOUR_ALARM 0x0A
-#define DAY_ALARM 0x0B
-#define WEEKDAY_ALARM 0x0C
-#define CLOCKOUT_FREQ 0x0D
-#define TIMER_CINTROL 0x0E
-#define TIMER 0x0F
-#define _READ 0x01
-
-// Wiring
+#include "const.h"
+#include "RTC8563.h"
+#include "string"
+ 
 Serial pc(USBTX, USBRX);
-I2C i2c(p28, p27);
-
-InterruptIn alarm(P1_28);
-
-DigitalOut myled1(LED1); 
-DigitalOut myled2(LED2);
-
-// Function prototyping
-void printTime();
-void rtc_init();
-char rtc_read(char address);
-void rtc_write(char address, char value);
-
-// Global variables
-char year, month, day, week;
-char hour, minute, sec;
-
-char week_val;
+//I2C i2c(p28, p27);
+ 
+uint8_t year, month, day, week;
+uint8_t hour, minute, sec;
 char week_chr[7][4] = {"MON","TUE","WED","THU","FRI","SAT","SUN"};
-
-// Functiondefinitions
-void printTime()
-{
-    year = rtc_read(YEARS);
-    month = rtc_read(MONTHS);
-    day = rtc_read(DAYS);
-    week = rtc_read(WEEKDAYS);
-    hour = rtc_read(HOURS);
-    minute = rtc_read(MINUTES);
-    sec = rtc_read(SECONDS);
-
-    //Datum Ausgabe
-    pc.printf("20%x%x/%x%x/%x%x %s\n",
-              ((year >> 4) & 0x03) , (year & 0x0F) ,
-              ((month >> 4) & 0x01), (month & 0x0F) ,
-              ((day >> 4) & 0x03), (day & 0x0F) ,
-              week_chr[week & 0x07]);
-
-    //Zeit Ausgabe
-    pc.printf("%x%x:%x%x:%x%x\n",
-              ((hour >> 4) & 0x03), (hour & 0x0F),
-              (minute >> 4), (minute & 0x0F) ,
-              (sec >> 4), (sec & 0x0F) );
-}
-
-void rtc_init()
-{
-    pc.printf("Setting up RTC\n");
-
-    // Formatierung
-    // 2015/01/24
-    // 10:32:00
-
-    week_val = 0x04;   // SAT
-    rtc_write(CONTROL1, 0x20); //stop
-    rtc_write(CONTROL2, 0x00);
-    rtc_write(YEARS, (0x15));
-    rtc_write(MONTHS, (0x03));
-    rtc_write(DAYS, (0x13));
-    rtc_write(HOURS, (0x14));
-    rtc_write(MINUTES, (0x47));
-    rtc_write(SECONDS, (0x00));
-    rtc_write(WEEKDAYS, week_val);
-    rtc_write(CLOCKOUT_FREQ, 0x00); // 0x83 = TE on & 1Hz
-    rtc_write(TIMER_CINTROL, 0x00);
-    rtc_write(CONTROL1, 0x00); //start
-}
-
-char rtc_read(char address)
-{
-    char value;
-    i2c.start();
-    i2c.write(RTC8563_ADR);
-    i2c.write(address);
-    i2c.start();
-    i2c.write(RTC8563_ADR | _READ);
-    value = i2c.read(0);
-    i2c.stop();
-
-    return value;
-}
-void rtc_write(char address, char value)
-{
-    i2c.start();
-    i2c.write(RTC8563_ADR);
-    i2c.write(address);
-    i2c.write(value);
-    i2c.stop();
-}
-
-void rtc_alarm()
-{
-    pc.printf("Setting up RTC\n");
-    // Formatierung
-    // 2015/01/24
-    // 17:02:00 MON
-
-    // week_val = 0x05; // SAT
-    rtc_write(CONTROL1, 0x20); //stop
-    rtc_write(CONTROL2, 0x02); // alarm AF alarm flag bit
-    rtc_write(DAY_ALARM, (0x80) );
-    rtc_write(HOUR_ALARM, (0x97));
-    rtc_write(MINUTE_ALARM, (0x02));
-    rtc_write(WEEKDAY_ALARM, (0x80));
-    rtc_write(CONTROL1, 0x00); //start
-}
-//************************************
-void push1() // Interruptfunktion alarm
-{
-    pc.printf("********\n" );
-    pc.printf("ALARM\n" );
-    pc.printf("********\n" );
-    myled1= 1;
-}
-
-
-// main program
+ 
 int main()
 {
-    rtc_init();
-    alarm.fall(&push1);
-    rtc_alarm();
+    RTC8563 rtc;  // instanziieren des Objektes rtc
+ 
+    pc.printf("Setting up RTC\n");
+    //rtc.rtc_init();
+ 
     while(1) {
-        printTime();
+        //printTime();           
+        year = rtc.rtc_read(YEARS);   // Aufruf der Methode rtc_read der Instanz (Objekt) rtc
+        month = rtc.rtc_read(MONTHS);
+        day = rtc.rtc_read(DAYS);
+        week = rtc.rtc_read(WEEKDAYS);
+        hour = rtc.rtc_read(HOURS);
+        minute = rtc.rtc_read(MINUTES);
+        sec = rtc.rtc_read(SECONDS);
+ 
+        //Datum Ausgabe
+        pc.printf("20%x%x/%x%x/%x%x %s\n",
+                  ((year >> 4) & 0x03) , (year & 0x0F) ,
+                  ((month >> 4) & 0x01), (month & 0x0F) ,
+                  ((day >> 4) & 0x03), (day & 0x0F) ,
+                  week_chr[week & 0x07]);
+ 
+        //Zeit Ausgabe
+        pc.printf("%x%x:%x%x:%x%x\n",
+                  ((hour >> 4) & 0x03), (hour & 0x0F),
+                  (minute >> 4), (minute & 0x0F) ,
+                  (sec >> 4), (sec & 0x0F) );
         wait(1);
     }
-}
+}
\ No newline at end of file