matlab_23550/Inu/Src/N12_Libs/global_time.c

91 lines
1.8 KiB
C

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