M0Board_WF / Mbed 2 deprecated WF_RTC_V4_only_read_V2

a

Dependencies:   mbed

main.cpp@0:9e434e66545c, 2015-01-28 (annotated)

Committer:
bulmenwt
Date:
Wed Jan 28 07:55:08 2015 +0000
Revision:
0:9e434e66545c
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bulmenwt 0:9e434e66545c 1 /*M0-BOARD LPC11U24 VERSION 1.0 WF 01_2015
bulmenwt 0:9e434e66545c 2 BULME Graz / Elektronik
bulmenwt 0:9e434e66545c 3 Autor: DI Franz Wolf
bulmenwt 0:9e434e66545c 4
bulmenwt 0:9e434e66545c 5 RTC NXP
bulmenwt 0:9e434e66545c 6 PCF 8563
bulmenwt 0:9e434e66545c 7
bulmenwt 0:9e434e66545c 8 Datei: WF_LDR_V1/main.cpp
bulmenwt 0:9e434e66545c 9 */
bulmenwt 0:9e434e66545c 10
bulmenwt 0:9e434e66545c 11 #include "mbed.h"
bulmenwt 0:9e434e66545c 12
bulmenwt 0:9e434e66545c 13
bulmenwt 0:9e434e66545c 14 #define RTC8563_ADR 0xA2
bulmenwt 0:9e434e66545c 15
bulmenwt 0:9e434e66545c 16 #define CONTROL1 0x00
bulmenwt 0:9e434e66545c 17 #define CONTROL2 0x01
bulmenwt 0:9e434e66545c 18 #define SECONDS 0x02
bulmenwt 0:9e434e66545c 19 #define MINUTES 0x03
bulmenwt 0:9e434e66545c 20 #define HOURS 0x04
bulmenwt 0:9e434e66545c 21 #define DAYS 0x05
bulmenwt 0:9e434e66545c 22 #define WEEKDAYS 0x06
bulmenwt 0:9e434e66545c 23 #define MONTHS 0x07
bulmenwt 0:9e434e66545c 24 #define YEARS 0x08
bulmenwt 0:9e434e66545c 25 #define MINUTE_ALARM 0x09
bulmenwt 0:9e434e66545c 26 #define HOUR_ALARM 0x0A
bulmenwt 0:9e434e66545c 27 #define DAY_ALARM 0x0B
bulmenwt 0:9e434e66545c 28 #define WEEKDAY_ALARM 0x0C
bulmenwt 0:9e434e66545c 29 #define CLOCKOUT_FREQ 0x0D
bulmenwt 0:9e434e66545c 30 #define TIMER_CINTROL 0x0E
bulmenwt 0:9e434e66545c 31 #define TIMER 0x0F
bulmenwt 0:9e434e66545c 32 #define _READ 0x01
bulmenwt 0:9e434e66545c 33
bulmenwt 0:9e434e66545c 34 Serial pc(USBTX, USBRX); // tx, rx
bulmenwt 0:9e434e66545c 35 I2C i2c(p28, p27);
bulmenwt 0:9e434e66545c 36
bulmenwt 0:9e434e66545c 37 char year, month, day, week;
bulmenwt 0:9e434e66545c 38 char hour, minute, sec;
bulmenwt 0:9e434e66545c 39
bulmenwt 0:9e434e66545c 40 char week_val;
bulmenwt 0:9e434e66545c 41 char week_chr[7][4] = {"MON","TUE","WED","THU","FRI","SAT","SUN"};
bulmenwt 0:9e434e66545c 42
bulmenwt 0:9e434e66545c 43 //************************************
bulmenwt 0:9e434e66545c 44 // write I2C
bulmenwt 0:9e434e66545c 45 void rtc_write(char address, char value)
bulmenwt 0:9e434e66545c 46 {
bulmenwt 0:9e434e66545c 47 i2c.start();
bulmenwt 0:9e434e66545c 48 i2c.write(RTC8563_ADR);
bulmenwt 0:9e434e66545c 49 i2c.write(address);
bulmenwt 0:9e434e66545c 50 i2c.write(value);
bulmenwt 0:9e434e66545c 51 i2c.stop();
bulmenwt 0:9e434e66545c 52 }
bulmenwt 0:9e434e66545c 53
bulmenwt 0:9e434e66545c 54 // read I2C
bulmenwt 0:9e434e66545c 55 char rtc_read(char address)
bulmenwt 0:9e434e66545c 56 {
bulmenwt 0:9e434e66545c 57 char value;
bulmenwt 0:9e434e66545c 58 i2c.start();
bulmenwt 0:9e434e66545c 59 i2c.write(RTC8563_ADR);
bulmenwt 0:9e434e66545c 60 i2c.write(address);
bulmenwt 0:9e434e66545c 61 i2c.start();
bulmenwt 0:9e434e66545c 62 i2c.write(RTC8563_ADR | _READ);
bulmenwt 0:9e434e66545c 63 value = i2c.read(0);
bulmenwt 0:9e434e66545c 64 i2c.stop();
bulmenwt 0:9e434e66545c 65
bulmenwt 0:9e434e66545c 66 return value;
bulmenwt 0:9e434e66545c 67 }
bulmenwt 0:9e434e66545c 68
bulmenwt 0:9e434e66545c 69 //Zeit einstellen der RTC
bulmenwt 0:9e434e66545c 70 void rtc_init()
bulmenwt 0:9e434e66545c 71 {
bulmenwt 0:9e434e66545c 72 pc.printf("Setting up RTC\n");
bulmenwt 0:9e434e66545c 73
bulmenwt 0:9e434e66545c 74 // Formatierung
bulmenwt 0:9e434e66545c 75 // 2015/01/24
bulmenwt 0:9e434e66545c 76 // 10:32:00
bulmenwt 0:9e434e66545c 77
bulmenwt 0:9e434e66545c 78 week_val = 0x05; // SAT
bulmenwt 0:9e434e66545c 79 rtc_write(CONTROL1, 0x20); //stop
bulmenwt 0:9e434e66545c 80 rtc_write(CONTROL2, 0x00);
bulmenwt 0:9e434e66545c 81 rtc_write(YEARS, (0x15));
bulmenwt 0:9e434e66545c 82 rtc_write(MONTHS, (0x01));
bulmenwt 0:9e434e66545c 83 rtc_write(DAYS, (0x24));
bulmenwt 0:9e434e66545c 84 rtc_write(HOURS, (0x10));
bulmenwt 0:9e434e66545c 85 rtc_write(MINUTES, (0x34));
bulmenwt 0:9e434e66545c 86 rtc_write(SECONDS, (0x00));
bulmenwt 0:9e434e66545c 87 rtc_write(WEEKDAYS, week_val);
bulmenwt 0:9e434e66545c 88 rtc_write(CLOCKOUT_FREQ, 0x00); // 0x83 = TE on & 1Hz
bulmenwt 0:9e434e66545c 89 rtc_write(TIMER_CINTROL, 0x00);
bulmenwt 0:9e434e66545c 90 rtc_write(CONTROL1, 0x00); //start
bulmenwt 0:9e434e66545c 91 }
bulmenwt 0:9e434e66545c 92 //************************************
bulmenwt 0:9e434e66545c 93
bulmenwt 0:9e434e66545c 94 int main() {
bulmenwt 0:9e434e66545c 95
bulmenwt 0:9e434e66545c 96 //RTC_init
bulmenwt 0:9e434e66545c 97 //rtc_init();
bulmenwt 0:9e434e66545c 98
bulmenwt 0:9e434e66545c 99 pc.printf("RTC8563 CLOCK" );
bulmenwt 0:9e434e66545c 100 wait(2.0);
bulmenwt 0:9e434e66545c 101
bulmenwt 0:9e434e66545c 102 while(1) {
bulmenwt 0:9e434e66545c 103
bulmenwt 0:9e434e66545c 104 //lesen der Parameter vom RTC
bulmenwt 0:9e434e66545c 105 year = rtc_read(YEARS);
bulmenwt 0:9e434e66545c 106 month = rtc_read(MONTHS);
bulmenwt 0:9e434e66545c 107 day = rtc_read(DAYS);
bulmenwt 0:9e434e66545c 108 week = rtc_read(WEEKDAYS);
bulmenwt 0:9e434e66545c 109 hour = rtc_read(HOURS);
bulmenwt 0:9e434e66545c 110 minute = rtc_read(MINUTES);
bulmenwt 0:9e434e66545c 111 sec = rtc_read(SECONDS);
bulmenwt 0:9e434e66545c 112
bulmenwt 0:9e434e66545c 113 //Datum Ausgabe
bulmenwt 0:9e434e66545c 114 pc.printf("20%x%x/%x%x/%x%x %s\n",
bulmenwt 0:9e434e66545c 115 ((year >> 4) & 0x03) , (year & 0x0F) ,
bulmenwt 0:9e434e66545c 116 ((month >> 4) & 0x01), (month & 0x0F) ,
bulmenwt 0:9e434e66545c 117 ((day >> 4) & 0x03), (day & 0x0F) ,
bulmenwt 0:9e434e66545c 118 week_chr[week & 0x07]);
bulmenwt 0:9e434e66545c 119
bulmenwt 0:9e434e66545c 120 //Zeit Ausgabe
bulmenwt 0:9e434e66545c 121 pc.printf("%x%x:%x%x:%x%x\n",
bulmenwt 0:9e434e66545c 122 ((hour >> 4) & 0x03), (hour & 0x0F),
bulmenwt 0:9e434e66545c 123 (minute >> 4), (minute & 0x0F) ,
bulmenwt 0:9e434e66545c 124 (sec >> 4), (sec & 0x0F) );
bulmenwt 0:9e434e66545c 125
bulmenwt 0:9e434e66545c 126 wait(1.0);
bulmenwt 0:9e434e66545c 127 }
bulmenwt 0:9e434e66545c 128 }
bulmenwt 0:9e434e66545c 129
bulmenwt 0:9e434e66545c 130