void awp_draw_reel(int rno)
{
int x = rno + 1;
char rg[16];
sprintf(rg,"reel%d", x);
reelpos[rno] = stepper_get_position(rno);
if (reelpos[rno] == output_get_value(rg))
{
// Not moved, no need to update.
}
else
{
output_set_value(rg,(reelpos[rno]));
// if the reel isn't configured don't do this, otherwise you'll get DIV0
if (stepper_get_max(rno))
{
sprintf(rg,"sreel%d", x); // our new scrolling reels are called 'sreel'
// normalize the value
int sreelpos = (reelpos[rno] * 0x10000) / stepper_get_max(rno);
output_set_value(rg,sreelpos);
}
}
}
// Report the current position of the stepper
void
command_stepper_get_position(uint32_t *args)
{
uint8_t oid = args[0];
struct stepper *s = stepper_oid_lookup(oid);
irq_disable();
uint32_t position = stepper_get_position(s);
irq_enable();
sendf("stepper_position oid=%c pos=%i", oid, position - POSITION_BIAS);
}
void awp_draw_reel(int rno)
{
int rsteps = steps[rno];
int rsymbols = symbols[rno];
int m;
int x = rno + 1;
char rg[16], rga[16], rgb[16];
sprintf(rg,"reel%d", x);
reelpos[rno] = stepper_get_position(rno);
if (reelpos[rno] == output_get_value(rg))
{
// Not moved, no need to update.
}
else
{
reelpos[rno] = stepper_get_position(rno)%(stepper_get_max(rno)-1);
for ( m = 0; m < (rsymbols-1); m++ )
{
{
sprintf(rga,"reel%da%d", x, m);
output_set_value(rga,(reelpos[rno] + rsteps * m)%stepper_get_max(rno));
}
{
if ((reelpos[rno] - rsteps * m) < 0)
{
sprintf(rgb,"reel%db%d", x, m);
output_set_value(rgb,(reelpos[rno] - (rsteps * m - stepper_get_max(rno))));
}
else
{
sprintf(rgb,"reel%db%d", x, m);
output_set_value(rgb,(reelpos[rno] - rsteps * m));
}
}
}
output_set_value(rg,(reelpos[rno]));
}
}
// Stop all moves for a given stepper (used in end stop homing). IRQs
// must be off.
void
stepper_stop(struct stepper *s)
{
sched_del_timer(&s->time);
s->next_step_time = 0;
s->position = -stepper_get_position(s);
s->count = 0;
s->flags = (s->flags & SF_INVERT_STEP) | SF_NEED_RESET;
gpio_out_write(s->dir_pin, 0);
gpio_out_write(s->step_pin, s->flags & SF_INVERT_STEP);
while (s->first) {
struct stepper_move *next = s->first->next;
move_free(s->first);
s->first = next;
}
}
