/** * \file timing.h */ #ifndef POLARSSL_TIMING_H #define POLARSSL_TIMING_H /** * \brief timer structure */ struct hr_time { unsigned char opaque[32]; }; #ifdef __cplusplus extern "C" { #endif extern int alarmed; /** * \brief Return the CPU cycle counter value */ unsigned long hardclock( void ); /** * \brief Return the elapsed time in milliseconds * * \param val points to a timer structure * \param reset if set to 1, the timer is restarted */ unsigned long get_timer( struct hr_time *val, int reset ); /** * \brief Setup an alarm clock * * \param seconds delay before the "alarmed" flag is set */ void set_alarm( int seconds ); /** * \brief Sleep for a certain amount of time */ void m_sleep( int milliseconds ); #ifdef __cplusplus } #endif #endif /* timing.h */