def thermal_pad(pad, size, paste_fraction, max_paste_size):
paste_x = size[0] * dmath.sqrt(paste_fraction)
paste_y = size[1] * dmath.sqrt(paste_fraction)
n_x = dmath.ceil(paste_x / max_paste_size)
n_y = dmath.ceil(paste_y / max_paste_size)
paste_pad = pscad.rounded_square([paste_y / n_y, paste_x / n_x], D("0.05"), center=True)
return pscad.union() + (
pscad.row(pscad.rotate(90) + pscad.row(paste_pad, size[1] / n_y, n_y, center=True),
size[0] / n_x, n_x, center=True),
pscad.nopaste() + pad
)
def part(m):
m = pscad.wrapper(defaults.items() + m.items())
pad = pscad.square((D("0.70"), D("4.0")), center=True)
key_pad = pscad.up(D("0.40")) + pscad.square((D("0.70"), D("3.20")), center=True)
mask_dist = D("3.20") - D("2.40") + m.mask
mask_pad = pscad.down(D("1.2") - mask_dist / D(2)) + pscad.square((D("0.70"), mask_dist), center=True)
mask_pads = (
pscad.row(mask_pad, m.pitch, 11),
pscad.right(m.pitch * 10 + D("3.0")) +
pscad.row(mask_pad, m.pitch, m.n + 1)
)
def names(l):
return (l + str(i) for i in itertools.count(1))
all = pscad.pad(names('B'), m.clearance, m.mask) + (
pscad.row(pad, m.pitch, 11),
pscad.right(m.pitch * 10 + D("3.0")) +
pscad.row(pad, m.pitch, m.n - 1) +
pscad.right(m.pitch * m.n - 1) + (
key_pad,
pscad.right(m.pitch) +
pad
)
), pscad.pad(names('A'), m.clearance, m.mask) + pscad.back() + (
key_pad,
pscad.right(m.pitch) +
pscad.row(pad, m.pitch, 10),
pscad.right(m.pitch * 10 + D("3.0")) +
pscad.row(pad, m.pitch, m.n + 1)
), (
pscad.pad(names('B'), m.clearance, D("2.40")) + mask_pads,
pscad.back() + pscad.pad(names('A'), m.clearance, D("2.40")) + mask_pads
)
return pscad.nopaste() + all
def part(m):
m = pscad.wrapper(defaults.items() + m.items())
pin_names = (i for i in m.pins.split(','))
pad = pscad.rounded_square((m.pad_w, m.pad_l), m.round_off, center=True)
if m.tri:
tri = pscad.right(m.pitch) + pscad.nopaste() + pad
else:
tri = None
all = pscad.pad(pin_names, m.clearance, m.mask) + (
pscad.left(m.pitch if m.tri else 0) + pscad.row(pad, m.pitch, 2, center=not m.tri), tri
)
if 'body_y' in m:
body_lines = pscad.rotate(90) + pscad.row(pscad.rotate(90) + pscad.line(m.pitch, center=True), m.body_y, 2, center=True)
else:
body_lines = pscad.empty()
courtyard = pscad.expand_to_grid(pscad.bound((all, body_lines)), m.placement, m.grid)
courtyard_sz = (courtyard[1][0] - courtyard[0][0], courtyard[1][1] - courtyard[0][1])
if m.polarized:
mark = (
pscad.right(courtyard[0][0]) +
pscad.rotate(90) +
pscad.circle(courtyard_sz[1] / D(6), sweep=180)
)
else:
mark = pscad.empty()
silk = pscad.silk(m.silk) + (
pscad.translate(courtyard[0]) +
patterns.brackets(courtyard_sz, m.pad_w),
mark,
body_lines
)
return all, silk
def open(m):
return pscad.nopaste() + closed(m)