/// <summary>
/// Set the RTC hardware clock to the given DateTime object. Note that this will not change the Kernel time, see <see cref="SetKernelTime"/>
/// </summary>
/// <param name="newTime">
/// The <see cref="System.DateTime"/> object with the new time
/// </param>
/// <returns>
/// A <see cref="System.Int32"/> that indicates the status of the operation
/// </returns>
public static int SetHardwareTime(DateTime newTime)
{
rtc_time rtc_tm = new rtc_time();
rtc_tm.tm_mday = newTime.Day;
rtc_tm.tm_mon = newTime.Month;
rtc_tm.tm_year = newTime.Year - 1900;
rtc_tm.tm_hour = newTime.Hour;
rtc_tm.tm_min = newTime.Minute;
rtc_tm.tm_sec = newTime.Second;
int rtc_fd = Syscall.open("/dev/rtc", OpenFlags.O_RDONLY);
if (rtc_fd == -1)
{
return(-1);
}
int rtc_ioctl = ioctl(rtc_fd, RTC_SET_TIME, ref rtc_tm);
if (rtc_ioctl == -1)
{
return(-1);
}
Syscall.close(rtc_fd);
return(0);
}
/// <summary>
/// Return the current RTC hardware clock time.
/// </summary>
/// <returns>
/// The <see cref="System.DateTime"/> objekt represent the current RTC time
/// </returns>
public static DateTime GetHardwareTime()
{
rtc_time rtc_tm = new rtc_time();
int rtc_fd = Syscall.open("/dev/rtc", OpenFlags.O_RDONLY);
if (rtc_fd == -1)
{
return new DateTime();
}
int rtc_ioctl = ioctl(rtc_fd, RTC_RD_TIME, ref rtc_tm);
if (rtc_ioctl == -1)
{
return new DateTime();
}
Syscall.close(rtc_fd);
return new DateTime(rtc_tm.tm_year + 1900, rtc_tm.tm_mon , rtc_tm.tm_mday, rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec);
}
/// <summary>
/// Return the current RTC hardware clock time.
/// </summary>
/// <returns>
/// The <see cref="System.DateTime"/> objekt represent the current RTC time
/// </returns>
public static DateTime GetHardwareTime()
{
rtc_time rtc_tm = new rtc_time();
int rtc_fd = Syscall.open("/dev/rtc", OpenFlags.O_RDONLY);
if (rtc_fd == -1)
{
return(new DateTime());
}
int rtc_ioctl = ioctl(rtc_fd, RTC_RD_TIME, ref rtc_tm);
if (rtc_ioctl == -1)
{
return(new DateTime());
}
Syscall.close(rtc_fd);
return(new DateTime(rtc_tm.tm_year + 1900, rtc_tm.tm_mon, rtc_tm.tm_mday, rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec));
}
/// <summary>
/// Set the RTC hardware clock to the given DateTime object. Note that this will not change the Kernel time, see <see cref="SetKernelTime"/>
/// </summary>
/// <param name="newTime">
/// The <see cref="System.DateTime"/> object with the new time
/// </param>
/// <returns>
/// A <see cref="System.Int32"/> that indicates the status of the operation
/// </returns>
public static int SetHardwareTime(DateTime newTime)
{
rtc_time rtc_tm = new rtc_time();
rtc_tm.tm_mday = newTime.Day;
rtc_tm.tm_mon = newTime.Month;
rtc_tm.tm_year = newTime.Year - 1900;
rtc_tm.tm_hour = newTime.Hour;
rtc_tm.tm_min = newTime.Minute;
rtc_tm.tm_sec = newTime.Second;
int rtc_fd = Syscall.open("/dev/rtc", OpenFlags.O_RDONLY);
if (rtc_fd == -1)
{
return -1;
}
int rtc_ioctl = ioctl(rtc_fd, RTC_SET_TIME, ref rtc_tm);
if (rtc_ioctl == -1)
{
return -1;
}
Syscall.close(rtc_fd);
return 0;
}
private static extern int ioctl(int fd, int request, ref rtc_time data);
private static extern int ioctl(int fd, int request, ref rtc_time data);
