Exemplo n.º 1
0
    for value in iter:
        prev_vals.append(value)
        while len(prev_vals) > backlog:
            prev_vals.popleft()
        # Median part, could be split out
        vals = list(prev_vals)
        vals.sort()
        mid_idx = len(vals) / 2
        if len(vals) & 1:
            yield vals[mid_idx]
        else:
            yield (vals[mid_idx - 1] + vals[mid_idx]) / 2.0

import rattler

for meas in medians(rattler.measurements()):
    adjs = []
    p = adjs.append

    # Use Z to determine facing direction
    if meas.z > 0.8:
        p("flat, display down")
    elif meas.z > 0.3:
        p("tilted, display down")
    elif meas.z < -0.8:
        p("flat, display up")
    elif meas.z < -0.3:
        p("tilted, display up")

    # Use X & Y to determine which side is down
    xy_tilt = ((abs(meas.x) + abs(meas.y)) / 2)
Exemplo n.º 2
0
latency_medians = medians(latencies)

bg_r = r1.copy().move(0, 0)
line_len = min(bg_r.w, bg_r.h) / 2.0

bg_surf = pygame.Surface(bg_r.size, HWSURFACE)
bg_surf.fill(bg)
draw.circle(bg_surf, cross_cl, bg_r.center, ri(line_len), 1)
draw.line(bg_surf, cross_cl, (bg_r.left, bg_r.centery),
          (bg_r.right, bg_r.centery))
draw.line(bg_surf, cross_cl, (bg_r.centerx, bg_r.top),
          (bg_r.centerx, bg_r.bottom))
draw.rect(bg_surf, cross_cl, bg_r, 2)

n_skips = 0
for meas in rattler.measurements():
    lat = latency_medians.next()
    sys.stdout.write("\x1b[2K\rlatency = %.4fms" % (lat * 1000, ))
    sys.stdout.flush()

    # Try to keep synchronized
    curr_ts = datetime.datetime.now()
    secs_ago = dt2secs(curr_ts - meas.timestamp)
    if secs_ago > (lat * 1.25):
        n_skips += 1
        sys.stdout.write(", skips = %d" % (n_skips, ))
        sys.stdout.flush()
        continue
    else:
        n_skips = 0
Exemplo n.º 3
0
latencies = LoopLatencies()
latency_medians = medians(latencies)

bg_r = r1.copy().move(0, 0)
line_len = min(bg_r.w, bg_r.h) / 2.0

bg_surf = pygame.Surface(bg_r.size, HWSURFACE)
bg_surf.fill(bg)
draw.circle(bg_surf, cross_cl, bg_r.center, ri(line_len), 1)
draw.line(bg_surf, cross_cl, (bg_r.left, bg_r.centery), (bg_r.right, bg_r.centery))
draw.line(bg_surf, cross_cl, (bg_r.centerx, bg_r.top), (bg_r.centerx, bg_r.bottom))
draw.rect(bg_surf, cross_cl, bg_r, 2)

n_skips = 0
for meas in rattler.measurements():
    lat = latency_medians.next()
    sys.stdout.write("\x1b[2K\rlatency = %.4fms" % (lat * 1000,))
    sys.stdout.flush()

    # Try to keep synchronized
    curr_ts = datetime.datetime.now()
    secs_ago = dt2secs(curr_ts - meas.timestamp)
    if secs_ago > (lat * 1.25):
        n_skips += 1
        sys.stdout.write(", skips = %d" % (n_skips,))
        sys.stdout.flush()
        continue
    else:
        n_skips = 0