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#include "project.h"
unsigned hands_pos[HANDS];
unsigned hands_ready;
static unsigned calc_second_pos (MTIME *m)
{
uint64_t p;
p = m->second;
p *= 1000;
p += m->nanosecond / 1000000;
p *= MOTOR_STEPS;
p /= 100000;
return (unsigned) p;
}
static unsigned calc_minute_pos (MTIME *m)
{
uint64_t p;
p = m->minute;
p *= 100;
p += m->second;
p *= 1000;
p += m->nanosecond / 1000000;
p *= MOTOR_STEPS;
p /= 10000000;
return (unsigned) p;
}
static unsigned calc_hour_pos (MTIME *m)
{
uint64_t p;
p = m->hour;
p *= 100;
p += m->minute;
p *= 100;
p += m->second;
p *= 1000;
p += m->nanosecond / 1000000;
p *= MOTOR_STEPS;
p /= 100000000;
return (unsigned) p;
}
void hands_tick (void)
{
EPOCH e;
UTC u;
MTIME m;
static uint32_t last;
if ((ticks - last) < 10) return;
last = ticks;
if (!rtc_ready) return;
e = rtc_get();
u = time_epoch_to_utc (e);
m = time_to_metric (e, u);
#if 0
hands_pos[0] = calc_hour_pos (&m);
if ((e.s & 31) < 5)
hands_pos[1] = hands_pos[0];
else
hands_pos[1] = calc_minute_pos (&m);
#endif
hands_pos[0] = calc_second_pos (&m);
hands_pos[1] = calc_hour_pos (&m);
hands_pos[1] = calc_minute_pos (&m);
//hands_pos[1] = calc_second_pos (&m);
hands_ready = 1;
#if 0
{
static unsigned old_pos[HANDS];
unsigned i;
for (i = 0, p = 0; i < HANDS; ++i) {
if (hands_pos[i] != old_pos[i]) p++;
old_pos[i] = hands_pos[i];
}
if (p) {
printf ("Epoch %d.%09d\r\n", (unsigned) e.s, (unsigned) e.ns);
time_print_utc ("UTC: ", &u, NULL);
time_print_metric ("Metric: ", &m, NULL);
printf ("Hands: hour %4d/%4d min %4d/%4d\r\n", hands_pos[0], MOTOR_STEPS, hands_pos[1], MOTOR_STEPS);
}
}
#endif
}
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