Nios Software Tutorial - Faculty.lasierra.edu

Tutorial OverviewNios Software Development Tutorial// ----------------------------------------------// Timer Peripheral// Timer Registerstypedef volatile struct{int np_timerstatus; // read only, 2 bits (any write to clear TO)int np_timercontrol; // write/readable, 4 bitsint np_timerperiodl; // write/readable, 16 bitsint np_timerperiodh; // write/readable, 16 bitsint np_timersnapl; // read only, 16 bitsint np_timersnaph; // read only, 16 bits} np_timer;// Timer Register Bitsenum{np_timerstatus_run_bitnp_timerstatus_to_bit= 1, // timer is running= 0, // timer has timed outnp_timercontrol_stop_bit = 3, // stop the timernp_timercontrol_start_bit = 2, // start the timernp_timercontrol_cont_bit = 1, // continuous modenp_timercontrol_ito_bit = 0, // enable time out interruptnp_timerstatus_run_masknp_timerstatus_to_mask= (1