91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
#include "global_time.h"
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GLOBAL_TIME global_time = GLOBAL_TIME_DEFAULTS;
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void init_global_time_struct(unsigned int freq_pwm)
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{
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global_time.total_seconds = 0;
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global_time.microseconds = 0;
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global_time.pwm_tics = 0;
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global_time.miliseconds = 0;
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global_time.seconds = 0;
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global_time.minuts = 0;
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global_time.hours = 0;
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global_time.freq_pwm_hz = freq_pwm;
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global_time.microseconds_add = 1000000L / global_time.freq_pwm_hz;
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}
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#pragma CODE_SECTION(global_time_calc,".fast_run2");
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void global_time_calc(GLOBAL_TIME_handle gt)
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{
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gt->pwm_tics++;
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gt->microseconds += gt->microseconds_add;
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gt->miliseconds = gt->microseconds / 1000;
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if(gt->pwm_tics == gt->freq_pwm_hz)
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{
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gt->total_seconds++;
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gt->seconds++;
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gt->pwm_tics = 0;
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if(gt->seconds == 60)
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{
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gt->minuts++;
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gt->seconds = 0;
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if(gt->minuts == 60)
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{
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gt->hours++;
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gt->minuts = 0;
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}
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}
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}
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}
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void init_timer_sec(unsigned int *start_time)
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{
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*start_time = global_time.total_seconds;
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}
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void init_timer_milisec(unsigned int *start_time)
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{
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*start_time = global_time.miliseconds;
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}
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int detect_pause_sec(unsigned int wait_pause, unsigned int *old_time)
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{
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unsigned long delta;
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delta = (unsigned int)((unsigned int)global_time.total_seconds - *old_time);
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if (delta>wait_pause)
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{
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*old_time = (unsigned int)global_time.total_seconds;
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return 1;
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}
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else
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return 0;
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}
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int detect_pause_milisec(unsigned int wait_pause, unsigned int *old_time)
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{
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unsigned long delta;
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if(global_time.miliseconds >= *old_time)
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{
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delta = (unsigned int)((unsigned int)global_time.miliseconds - *old_time);
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}
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else
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{
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delta = (unsigned int)((unsigned int)global_time.miliseconds + (0xFFFFUL - *old_time));
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}
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if (delta>wait_pause)
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{
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*old_time = (unsigned int)global_time.miliseconds;
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return 1;
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}
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else
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return 0;
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}
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