diff --git a/timemanager/Clock.h b/timemanager/Clock.h index f4ed847a..61e40d19 100644 --- a/timemanager/Clock.h +++ b/timemanager/Clock.h @@ -11,156 +11,156 @@ class Clock { public: - typedef struct { - uint32_t year; //!< Year, A.D. - uint32_t month; //!< Month, 1 .. 12. - uint32_t day; //!< Day, 1 .. 31. - uint32_t hour; //!< Hour, 0 .. 23. - uint32_t minute; //!< Minute, 0 .. 59. - uint32_t second; //!< Second, 0 .. 59. - uint32_t usecond; //!< Microseconds, 0 .. 999999 - } TimeOfDay_t; + typedef struct { + uint32_t year; //!< Year, A.D. + uint32_t month; //!< Month, 1 .. 12. + uint32_t day; //!< Day, 1 .. 31. + uint32_t hour; //!< Hour, 0 .. 23. + uint32_t minute; //!< Minute, 0 .. 59. + uint32_t second; //!< Second, 0 .. 59. + uint32_t usecond; //!< Microseconds, 0 .. 999999 + } TimeOfDay_t; - /** - * This method returns the number of clock ticks per second. - * In RTEMS, this is typically 1000. - * @return The number of ticks. - * - * @deprecated, we should not worry about ticks, but only time - */ - static uint32_t getTicksPerSecond(void); - /** - * This system call sets the system time. - * To set the time, it uses a TimeOfDay_t struct. - * @param time The struct with the time settings to set. - * @return -@c RETURN_OK on success. Otherwise, the OS failure code - * is returned. - */ - static ReturnValue_t setClock(const TimeOfDay_t* time); - /** - * This system call sets the system time. - * To set the time, it uses a timeval struct. - * @param time The struct with the time settings to set. - * @return -@c RETURN_OK on success. Otherwise, the OS failure code is returned. - */ - static ReturnValue_t setClock(const timeval* time); - /** - * This system call returns the current system clock in timeval format. - * The timval format has the fields @c tv_sec with seconds and @c tv_usec with - * microseconds since an OS-defined epoch. - * @param time A pointer to a timeval struct where the current time is stored. - * @return @c RETURN_OK on success. Otherwise, the OS failure code is returned. - */ - static ReturnValue_t getClock_timeval(timeval* time); + /** + * This method returns the number of clock ticks per second. + * In RTEMS, this is typically 1000. + * @return The number of ticks. + * + * @deprecated, we should not worry about ticks, but only time + */ + static uint32_t getTicksPerSecond(void); + /** + * This system call sets the system time. + * To set the time, it uses a TimeOfDay_t struct. + * @param time The struct with the time settings to set. + * @return -@c RETURN_OK on success. Otherwise, the OS failure code + * is returned. + */ + static ReturnValue_t setClock(const TimeOfDay_t* time); + /** + * This system call sets the system time. + * To set the time, it uses a timeval struct. + * @param time The struct with the time settings to set. + * @return -@c RETURN_OK on success. Otherwise, the OS failure code is returned. + */ + static ReturnValue_t setClock(const timeval* time); + /** + * This system call returns the current system clock in timeval format. + * The timval format has the fields @c tv_sec with seconds and @c tv_usec with + * microseconds since an OS-defined epoch. + * @param time A pointer to a timeval struct where the current time is stored. + * @return @c RETURN_OK on success. Otherwise, the OS failure code is returned. + */ + static ReturnValue_t getClock_timeval(timeval* time); - /** - * Get the time since boot in a timeval struct - * - * @param[out] time A pointer to a timeval struct where the uptime is stored. - * @return @c RETURN_OK on success. Otherwise, the OS failure code is returned. - * - * @deprecated, I do not think this should be able to fail, use timeval getUptime() - */ - static ReturnValue_t getUptime(timeval* uptime); + /** + * Get the time since boot in a timeval struct + * + * @param[out] time A pointer to a timeval struct where the uptime is stored. + * @return @c RETURN_OK on success. Otherwise, the OS failure code is returned. + * + * @deprecated, I do not think this should be able to fail, use timeval getUptime() + */ + static ReturnValue_t getUptime(timeval* uptime); - static timeval getUptime(); + static timeval getUptime(); - /** - * Get the time since boot in milliseconds - * - * This value can overflow! Still, it can be used to calculate time intervalls - * between two calls up to 49 days by always using uint32_t in the calculation - * - * @param ms uptime in ms - * @return RETURN_OK on success. Otherwise, the OS failure code is returned. - */ - static ReturnValue_t getUptime(uint32_t* uptimeMs); + /** + * Get the time since boot in milliseconds + * + * This value can overflow! Still, it can be used to calculate time intervalls + * between two calls up to 49 days by always using uint32_t in the calculation + * + * @param ms uptime in ms + * @return RETURN_OK on success. Otherwise, the OS failure code is returned. + */ + static ReturnValue_t getUptime(uint32_t* uptimeMs); - /** - * Returns the time in microseconds since an OS-defined epoch. - * The time is returned in a 64 bit unsigned integer. - * @param time A pointer to a 64 bit unisigned integer where the data is stored. - * @return - * - @c RETURN_OK on success. - * - Otherwise, the OS failure code is returned. - */ - static ReturnValue_t getClock_usecs(uint64_t* time); - /** - * Returns the time in a TimeOfDay_t struct. - * @param time A pointer to a TimeOfDay_t struct. - * @return - * - @c RETURN_OK on success. - * - Otherwise, the OS failure code is returned. - */ - static ReturnValue_t getDateAndTime(TimeOfDay_t* time); + /** + * Returns the time in microseconds since an OS-defined epoch. + * The time is returned in a 64 bit unsigned integer. + * @param time A pointer to a 64 bit unisigned integer where the data is stored. + * @return + * - @c RETURN_OK on success. + * - Otherwise, the OS failure code is returned. + */ + static ReturnValue_t getClock_usecs(uint64_t* time); + /** + * Returns the time in a TimeOfDay_t struct. + * @param time A pointer to a TimeOfDay_t struct. + * @return + * - @c RETURN_OK on success. + * - Otherwise, the OS failure code is returned. + */ + static ReturnValue_t getDateAndTime(TimeOfDay_t* time); - /** - * Converts a time of day struct to POSIX seconds. - * @param time The time of day as input - * @param timeval The corresponding seconds since the epoch. - * @return - * - @c RETURN_OK on success. - * - Otherwise, the OS failure code is returned. - */ - static ReturnValue_t convertTimeOfDayToTimeval(const TimeOfDay_t* from, - timeval* to); + /** + * Converts a time of day struct to POSIX seconds. + * @param time The time of day as input + * @param timeval The corresponding seconds since the epoch. + * @return + * - @c RETURN_OK on success. + * - Otherwise, the OS failure code is returned. + */ + static ReturnValue_t convertTimeOfDayToTimeval(const TimeOfDay_t* from, + timeval* to); - /** - * Converts a time represented as seconds and subseconds since unix - * epoch to days since J2000 - * - * @param time seconds since unix epoch - * @param[out] JD2000 days since J2000 - * @return @c RETURN_OK - */ - static ReturnValue_t convertTimevalToJD2000(timeval time, double* JD2000); + /** + * Converts a time represented as seconds and subseconds since unix + * epoch to days since J2000 + * + * @param time seconds since unix epoch + * @param[out] JD2000 days since J2000 + * @return @c RETURN_OK + */ + static ReturnValue_t convertTimevalToJD2000(timeval time, double* JD2000); - /** - * Calculates and adds the offset between UTC and TT - * - * Depends on the leap seconds to be set correctly. - * - * @param utc timeval, corresponding to UTC time - * @param[out] tt timeval, corresponding to Terrestial Time - * @return - * - @c RETURN_OK on success - * - @c RETURN_FAILED if leapSeconds are not set - */ - static ReturnValue_t convertUTCToTT(timeval utc, timeval* tt); + /** + * Calculates and adds the offset between UTC and TT + * + * Depends on the leap seconds to be set correctly. + * + * @param utc timeval, corresponding to UTC time + * @param[out] tt timeval, corresponding to Terrestial Time + * @return + * - @c RETURN_OK on success + * - @c RETURN_FAILED if leapSeconds are not set + */ + static ReturnValue_t convertUTCToTT(timeval utc, timeval* tt); - /** - * Set the Leap Seconds since 1972 - * - * @param leapSeconds_ - * @return - * - @c RETURN_OK on success. - * - Otherwise, the OS failure code is returned. - */ - static ReturnValue_t setLeapSeconds(const uint16_t leapSeconds_); + /** + * Set the Leap Seconds since 1972 + * + * @param leapSeconds_ + * @return + * - @c RETURN_OK on success. + * - Otherwise, the OS failure code is returned. + */ + static ReturnValue_t setLeapSeconds(const uint16_t leapSeconds_); - /** - * Get the Leap Seconds since 1972 - * - * Must be set before! - * - * @param[out] leapSeconds_ - * @return - * - @c RETURN_OK on success. - * - Otherwise, the OS failure code is returned. - */ - static ReturnValue_t getLeapSeconds(uint16_t *leapSeconds_); + /** + * Get the Leap Seconds since 1972 + * + * Must be set before! + * + * @param[out] leapSeconds_ + * @return + * - @c RETURN_OK on success. + * - Otherwise, the OS failure code is returned. + */ + static ReturnValue_t getLeapSeconds(uint16_t *leapSeconds_); - /** - * Function to check and create the Mutex for the clock - * @return - * - @c RETURN_OK on success. - * - Otherwise @c RETURN_FAILED if not able to create one - */ - static ReturnValue_t checkOrCreateClockMutex(); + /** + * Function to check and create the Mutex for the clock + * @return + * - @c RETURN_OK on success. + * - Otherwise @c RETURN_FAILED if not able to create one + */ + static ReturnValue_t checkOrCreateClockMutex(); private: - static MutexIF* timeMutex; - static uint16_t leapSeconds; + static MutexIF* timeMutex; + static uint16_t leapSeconds; };