Revision 0:fe72feeab094, committed 2015-04-16

Comitter:

Hevi

Date:

Thu Apr 16 10:34:40 2015 +0000

Commit message:

RTC8563 library for real time clock

Changed in this revision

diff -r 000000000000 -r fe72feeab094 RTC8563.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC8563.cpp	Thu Apr 16 10:34:40 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 000000000000 -r fe72feeab094 RTC8563.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC8563.h	Thu Apr 16 10:34:40 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 000000000000 -r fe72feeab094 const.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/const.h	Thu Apr 16 10:34:40 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