HIMBED_3AHELI / Mbed 2 deprecated rtc_func

Functions and formatted printing of time and date for RTC8563

Dependencies:   mbed

Inhalt

I2C RTC on HIMBED

/media/uploads/bulmecisco/rtc.jpg

Definition der benannten Konstanten für die Register des PCF8563 (Tabelle 4)
Praeprozessor-Direktiven #define werden durch benannte Konstante ersetzt

const.h

/***********************************
name:   const.h    Version: 0.1
author: PE HTL BULME
email:  pe@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

Register organisation

/media/uploads/bulmecisco/register.jpg

Terminal program

Mit einem Terminal Programm (z.B. HTERM) können die Werte von der seriellen Schnittstelle (COM-Port) angezeigt werden:

/media/uploads/bulmecisco/hterm.jpg

Next

RTC8563.cpp@2:f75062350241, 2015-04-16 (annotated)

Committer:
bulmecisco
Date:
Thu Apr 16 10:25:33 2015 +0000
Revision:
2:f75062350241
rtc functions in class RTC8563 transferred

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bulmecisco 2:f75062350241 1 //
bulmecisco 2:f75062350241 2 // @ Project : RTC Date Time Clock
bulmecisco 2:f75062350241 3 // @ File Name : RTC8563.cpp
bulmecisco 2:f75062350241 4 // @ Date : 06.04.2015
bulmecisco 2:f75062350241 5 // @ Author : Franz Pucher
bulmecisco 2:f75062350241 6 // @ Copyright : pe@bulme.at
bulmecisco 2:f75062350241 7 //
bulmecisco 2:f75062350241 8
bulmecisco 2:f75062350241 9 #include "mbed.h"
bulmecisco 2:f75062350241 10 #include "const.h"
bulmecisco 2:f75062350241 11
bulmecisco 2:f75062350241 12 #include "RTC8563.h"
bulmecisco 2:f75062350241 13
bulmecisco 2:f75062350241 14 RTC8563::RTC8563() : i2c(p28, p27) // delete void and add call to base constructor
bulmecisco 2:f75062350241 15 {
bulmecisco 2:f75062350241 16 // Initialise I2C
bulmecisco 2:f75062350241 17 i2c.frequency(40000);
bulmecisco 2:f75062350241 18 char init1[2] = {0x6, 0x00};
bulmecisco 2:f75062350241 19 char init2[2] = {0x7, 0xff};
bulmecisco 2:f75062350241 20 i2c.write(0x40, init1, 2);
bulmecisco 2:f75062350241 21 i2c.write(0x40, init2, 2);
bulmecisco 2:f75062350241 22 }
bulmecisco 2:f75062350241 23
bulmecisco 2:f75062350241 24 RTC8563::RTC8563(PinName sda, PinName scl) : i2c(sda, scl)
bulmecisco 2:f75062350241 25 {
bulmecisco 2:f75062350241 26 // Initialise I2C
bulmecisco 2:f75062350241 27 i2c.frequency(40000);
bulmecisco 2:f75062350241 28 char init1[2] = {0x6, 0x00};
bulmecisco 2:f75062350241 29 char init2[2] = {0x7, 0xff};
bulmecisco 2:f75062350241 30 i2c.write(0x40, init1, 2);
bulmecisco 2:f75062350241 31 i2c.write(0x40, init2, 2);
bulmecisco 2:f75062350241 32 }
bulmecisco 2:f75062350241 33
bulmecisco 2:f75062350241 34 char RTC8563::rtc_read(char address)
bulmecisco 2:f75062350241 35 {
bulmecisco 2:f75062350241 36 char value;
bulmecisco 2:f75062350241 37 i2c.start();
bulmecisco 2:f75062350241 38 i2c.write(RTC8563_ADR);
bulmecisco 2:f75062350241 39 i2c.write(address);
bulmecisco 2:f75062350241 40 i2c.start();
bulmecisco 2:f75062350241 41 i2c.write(RTC8563_ADR | _READ);
bulmecisco 2:f75062350241 42 value = i2c.read(0);
bulmecisco 2:f75062350241 43 i2c.stop();
bulmecisco 2:f75062350241 44
bulmecisco 2:f75062350241 45 return value;
bulmecisco 2:f75062350241 46 }
bulmecisco 2:f75062350241 47
bulmecisco 2:f75062350241 48 void RTC8563::rtc_write(char address, char value)
bulmecisco 2:f75062350241 49 {
bulmecisco 2:f75062350241 50 i2c.start();
bulmecisco 2:f75062350241 51 i2c.write(RTC8563_ADR);
bulmecisco 2:f75062350241 52 i2c.write(address);
bulmecisco 2:f75062350241 53 i2c.write(value);
bulmecisco 2:f75062350241 54 i2c.stop();
bulmecisco 2:f75062350241 55 }
bulmecisco 2:f75062350241 56
bulmecisco 2:f75062350241 57 void RTC8563::rtc_init()
bulmecisco 2:f75062350241 58 {
bulmecisco 2:f75062350241 59 }
bulmecisco 2:f75062350241 60
bulmecisco 2:f75062350241 61 void RTC8563::rtc_alarm()
bulmecisco 2:f75062350241 62 {
bulmecisco 2:f75062350241 63 }