156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/* ========================================================================
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* [PROJECT] SIR
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* [MODULE] Real Time Clock
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* [TITLE] High- and low level Routines for INtersil X1205 RTC chip
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* [FILE] rtc.c
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* [VSN] 1.0
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* [CREATED] 13042007
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* [LASTCHNGD] 131042007
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* [COPYRIGHT] Copyright (C) STREAMIT BV 2010
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* [PURPOSE] contains all interface- and low-level routines to
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* read/write date/time/status strings from the X1205
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* ======================================================================== */
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#define LOG_MODULE LOG_RTC_MODULE
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#include <cfg/os.h>
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#include <dev/twif.h>
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#include <sys/event.h>
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#include <sys/timer.h>
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#include <sys/thread.h>
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#include <arpa/inet.h>
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#include <net/route.h>
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#include <pro/dhcp.h>
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#include <pro/sntp.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <io.h>
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#include <string.h>
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#include <time.h>
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#include "rtc.h"
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#include "portio.h"
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//Timezones with offset value and name
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const int tz[25] = { -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9, +10, +11, +12, +13};
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const char tzName[25][30] = { "Midway", "Honolulu", "Anchorage", "Los Angeles", "Phoenix", "Chicago", "New York", "Santiago", "Buenos Aires", "South-Georgia", "Azores", "London", "Amsterdam", "Athens", "Moscow", "Dubai", "Pakistan", "Bangladesh", "Bangkok", "Bejing", "Tokyo", "Sydney", "Solomon", "Auckland", "Samoa" };
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//Sync the RTC with NTP server and apply timezone offset
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int X12RTCSyncClock(void)
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{
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time_t cur_time = 0;
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tm *cur_dt = malloc(sizeof(tm));
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uint32_t timeserver = 0;
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timeserver = inet_addr("85.254.217.3");
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int i;
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//3 attempts are allowed before giving up
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for (i = 0; i < 3; i++) {
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//Try to get the NTP time
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if (NutSNTPGetTime(×erver, &cur_time) == 0) {
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synced = 1; //Mark time as synced
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printf("[RTC] Sync Succesfull\n");
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//TimeZone
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_timezone = 0;
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stime(&cur_time);
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_timezone = -GetTimeZone() * 60 * 60; //Apply timezone offset
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_daylight = 1;
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time(&cur_time);
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cur_dt = localtime(&cur_time); //Calculate timezone offset
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X12RtcSetClock(cur_dt); //Set the new time in the RTC
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break;
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} else {
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synced = 0; //Mark time as out of sync
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NutSleep(500);
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printf("[RTC] Sync Failed, retrying\n");
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}
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}
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free(cur_dt);
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SetConnected(synced); //Mark network connections the same as synced value
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return 1;
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}
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//Format the RTC value to a Time string
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void GetTimeString(char * str)
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{
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if (X12RtcGetClock(&gmt) == 0)
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{
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gmt.tm_year = gmt.tm_year + 1900;
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sprintf(str, "%02d:%02d:%02d", gmt.tm_hour, gmt.tm_min, gmt.tm_sec);
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}
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}
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//Format the RTC value to a Date string
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void GetDateString(char * str)
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{
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if (X12RtcGetClock(&gmt) == 0)
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{
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gmt.tm_year = gmt.tm_year + 1900;
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sprintf(str, "%02d-%02d-%04d", gmt.tm_mday, gmt.tm_mon+1, gmt.tm_year );
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}
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}
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//Format the RTC value to a DateTime string
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void GetDateTimeString(char * str)
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{
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if (X12RtcGetClock(&gmt) == 0)
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{
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gmt.tm_year = gmt.tm_year + 1900;
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sprintf(str, "%02d:%02d %02d-%02d-%04d", gmt.tm_hour, gmt.tm_min, gmt.tm_mday, gmt.tm_mon+1, gmt.tm_year );
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}
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}
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//Get the time struct which is synced using the RTC and NTP
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tm* GetTimeStruct(void)
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{
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if (X12RtcGetClock(&gmt) == 0)
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{
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gmt.tm_year = gmt.tm_year + 1900;
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}
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return &gmt;
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}
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//Sync time with the NTP server
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int SyncTime( void )
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{
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X12RTCSyncClock();
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if (X12RtcGetClock(&gmt) == 0)
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{
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//X12RtcGetClockTimezone(&gmt, GetTimeZone());
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gmt.tm_year = gmt.tm_year + 1900;
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printf("[RTC] Time [%02d:%02d:%02d / %02d-%02d-%04d]\n", gmt.tm_hour, gmt.tm_min, gmt.tm_sec, gmt.tm_mday, gmt.tm_mon+1, gmt.tm_year );
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}
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return synced;
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}
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int GetTimeSynced(void)
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{
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return synced;
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}
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int GetTimeZoneValue(int i)
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{
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return tz[i];
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}
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void GetTimeZoneName(int i, char * string)
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{
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strcpy(string, tzName[i]);
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}
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