Diff: util/RTC_Handler.cpp

Revision:

0:20bce0dcc921

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/RTC_Handler.cpp	Tue Dec 20 01:51:02 2016 +0000
@@ -0,0 +1,148 @@
+#include "RTC_Handler.h"
+
+static RTC_Handler *self = NULL;
+
+RTC_Handler* RTC_Handler::getInstance()
+{
+    return self != NULL ? self : self = new RTC_Handler();
+}
+
+#if defined (TARGET_KL25Z)
+
+#define RTC8564NB_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_CONTROL 0x0E
+#define TIMER 0x0F
+#define _READ 0x01
+#define JST_TO_UTC_DELTA (9*60*60)
+
+
+RTC_Handler::RTC_Handler() : i2c(PTE0, PTE1)
+{
+}
+
+char
+RTC_Handler::read(char address)
+{
+    char value;
+    i2c.start();
+    i2c.write(RTC8564NB_ADR);
+    i2c.write(address);
+    i2c.start();
+    i2c.write(RTC8564NB_ADR | _READ);
+    value = i2c.read(0);
+    i2c.stop();
+    return value;
+}
+
+char
+RTC_Handler::write(char address, char value)
+{
+    i2c.start();
+    i2c.write(RTC8564NB_ADR);
+    i2c.write(address);
+    i2c.write(value);
+    i2c.stop();
+}
+
+void
+RTC_Handler::set(char y[3], char m[3], char d[3], char h[3], char min[3], char s[3])
+{
+    write(CONTROL1, 0x20); //stop
+    write(CONTROL2, 0x00);
+    write(YEARS, ((y[0]-0x30)<<4)+(y[1]-0x30)); 
+    write(MONTHS, ((m[0]-0x30)<<4)+(m[1]-0x30));
+    write(DAYS, ((d[0]-0x30)<<4)+(d[1]-0x30));
+    write(HOURS, ((h[0]-0x30)<<4)+(h[1]-0x30));
+    write(MINUTES, ((min[0]-0x30)<<4)+(min[1]-0x30));
+    write(SECONDS, ((s[0]-0x30)<<4)+(s[1]-0x30));
+//    write(WEEKDAYS, week_val[0] - 0x30); //Sunday = "0", Monday = "1" ...
+    write(CLOCKOUT_FREQ, 0x00); // 0x83 = TE on & 1Hz
+    write(TIMER_CONTROL, 0x00);
+    write(CONTROL1, 0x00); //start
+    return;
+}
+
+void
+RTC_Handler::setUTC(time_t t)
+{
+    struct tm *date;
+    char str[32];
+    memset(str,'\0',sizeof(str));
+    //timer = time(NULL);
+    t -= JST_TO_UTC_DELTA; //make local time UTC
+    date = localtime(&t);
+    strftime(str, 255, "%y%m%d%H%M%S", date);
+    //printf("%s\n", str);
+    set(&str[0],&str[2],&str[4],&str[6],&str[8],&str[10]);
+}
+
+time_t
+RTC_Handler::getUTC()
+{
+    int year = read(YEARS);
+    int mon = read(MONTHS);
+    int day = read(DAYS);
+    int week = read(WEEKDAYS);
+    int hour = read(HOURS);
+    int min = read(MINUTES);
+    int sec = read(SECONDS);
+    
+    year = 2000 + ((year>>4)&0x03)*10 + (year&0x0F);
+    mon = ((mon>>4)&0x01)*10 + (mon&0x0F);
+    day = ((day>>4)&0x03)*10 + (day&0x0F);
+    hour = ((hour>>4)&0x03)*10 + (hour&0x0F);
+    min = (min>>4)*10 + (min&0x0F); 
+    sec = (sec>>4)*10 + (sec&0x0F);
+
+    struct tm strtim;
+    time_t ret;
+    memset(( void * )&strtim , '\0' , sizeof( strtim ));
+    strtim.tm_year = year-1900; /* 年[1900年から起算] */
+    strtim.tm_mon = mon-1; /* 月[0-11] */
+    strtim.tm_mday = day; /* 日[1-31] */
+    strtim.tm_hour = hour ;/* 時[0-23] */
+    strtim.tm_min = min ;/* 分[0-59] */
+    strtim.tm_sec = sec; /* 秒[0-61]閏秒考慮 */
+
+    /* 日付補完 */
+    ret = mktime( &strtim );
+    if( ret == -1 ) {
+        printf( "mmktime error\n" );
+    }
+    
+    return ret;
+}
+#elif defined (TARGET_TEENSY3_1)
+
+RTC_Handler::RTC_Handler()
+{
+}
+
+void
+RTC_Handler::setUTC(time_t t)
+{
+    set_time(t);
+}
+
+time_t
+RTC_Handler::getUTC()
+{
+    return time(NULL);
+}
+
+#endif