emailler/apps/date65.c
Oliver Schmidt fe215b4eda Added timezone support.
After quite some thoughts it was considered best to simply have the timezone configured in the source code and rebuild if a change is desired/necessary.
2018-08-02 17:37:54 +02:00

142 lines
2.6 KiB
C

///////////////////////////////////////////
// https://www.epochconverter.com/timezones
#define TIMEZONE_CODE "CET"
#define TIMEZONE_SECS 3600
#define NTP_SERVER "pool.ntp.org"
///////////////////////////////////////////
#include <cc65.h>
#include <time.h>
#include <fcntl.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "../inc/ip65.h"
void error_exit(void)
{
switch (ip65_error)
{
case IP65_ERROR_DEVICE_FAILURE:
printf("- No device found\n");
break;
case IP65_ERROR_ABORTED_BY_USER:
printf("- User abort\n");
break;
case IP65_ERROR_TIMEOUT_ON_RECEIVE:
printf("- Timeout\n");
break;
case IP65_ERROR_DNS_LOOKUP_FAILED:
printf("- Lookup failed\n");
break;
default:
printf("- Error $%X\n", ip65_error);
}
exit(EXIT_FAILURE);
}
void confirm_exit(void)
{
printf("\nPress any key ");
cgetc();
}
void main(void)
{
uint8_t drv_init = DRV_INIT_DEFAULT;
uint32_t server;
time_t rawtime;
struct tm* timeinfo;
strncpy(_tz.tzname, TIMEZONE_CODE,
sizeof(_tz.tzname) - 1);
_tz.timezone = TIMEZONE_SECS;
if (doesclrscrafterexit())
{
atexit(confirm_exit);
}
#ifdef __APPLE2__
{
int file;
printf("\nSetting slot ");
file = open("ethernet.slot", O_RDONLY);
if (file != -1)
{
read(file, &drv_init, 1);
close(file);
drv_init &= ~'0';
}
printf("- %d\n", drv_init);
}
#endif
printf("\nInitializing ");
if (ip65_init(drv_init))
{
error_exit();
}
printf("- Ok\n\nObtaining IP address ");
if (dhcp_init())
{
error_exit();
}
printf("- Ok\n\nResolving %s ", NTP_SERVER);
server = dns_resolve(NTP_SERVER);
if (!server)
{
error_exit();
}
printf("- Ok\n\nGetting %s ", _tz.tzname);
rawtime = sntp_get_time(server);
if (!rawtime)
{
error_exit();
}
// Convert time from seconds since 1900 to
// seconds since 1970 according to RFC 868
rawtime -= 2208988800UL;
timeinfo = localtime(&rawtime);
printf("- %s", asctime(timeinfo));
#ifdef __APPLE2__
{
// See ProDOS 8 Technical Reference Manual
// Chapter 6.1 - Clock/Calendar Routines
typedef struct
{
unsigned mday :5;
unsigned mon :4;
unsigned year :7;
uint8_t min;
uint8_t hour;
}
dostime_t;
dostime_t* dostime = (dostime_t*)0xBF90;
// If DOS time is 0:00 assume no RTC active
if (!(dostime->hour || dostime->min))
{
// Set only DOS date to today
dostime->year = timeinfo->tm_year % 100;
dostime->mon = timeinfo->tm_mon + 1;
dostime->mday = timeinfo->tm_mday;
}
}
#endif
}