def pads(self, mod):
"""add the pads"""
pad_size = kicad.mil2mm(68)
hole_size = kicad.mil2mm(40)
for i in range(18):
pad_shape = ('circle', 'rect')[i == 0]
p = kicad.mod_pad('%d' % (i + 1), 'thru_hole', pad_shape,
('*.Cu', '*.Mask'))
p.set_size(pad_size, pad_size).set_drill(hole_size)
p.set_xy(self.pad_xy(i))
mod.add_pad(p)
def pad_xy(self, i):
"""return the x, y position of pad i (i is zero based)"""
if i < 14:
group = 0
idx = i
else:
group = 1
idx = i - 14
pin_spacing = kicad.mil2mm(100)
x = group * kicad.mil2mm(500)
y = group * kicad.mil2mm(-3175)
x += idx * pin_spacing
return (x, y)
def add_pads(self, mod):
"""add the pads"""
pad_size = kicad.mil2mm(68)
hole_size = kicad.mil2mm(40)
for row in range(2):
for n in range(50):
pad_shape = ('circle', 'rect')[row == 0 and n == 0]
pad_name = '%s%d' % (('A', 'B')[row == 1], n + 1)
p = kicad.mod_pad(pad_name, 'thru_hole', pad_shape,
('*.Cu', '*.Mask'))
p.set_size(pad_size, pad_size).set_drill(hole_size)
p.set_xy(self.pad_xy(row, n))
mod.add_pad(p)
def holes(self, mod):
"""add mounting holes"""
hole_size = kicad.mil2mm(120)
pad_size = kicad.mil2mm(150)
w = 44.0
h = 76.0
x0 = (kicad.mil2mm(1300) - w) / 2.0
y0 = -4.0
tl = (x0, y0 - h)
tr = (x0 + w, y0 - h)
bl = (x0, y0)
br = (x0 + w, y0)
for v in (tl, tr, bl, br):
p = kicad.mod_pad('', 'thru_hole', 'circle', ('*.Cu', '*.Mask'))
p.set_size(pad_size, pad_size).set_drill(hole_size)
p.set_xy(v)
mod.add_pad(p)
def __init__(self, n, width):
self.name = 'DIP%d_%d' % (n, kicad.mm2mil(width))
self.descr = '%d pin DIP package, row spacing %d mils' % (
n, kicad.mm2mil(width))
self.n = n # number of pins
self.pitch = kicad.mil2mm(100)
self.w = float(width) # width between pin rows (mm)
self.h = ((self.n / 2) - 1) * self.pitch
def silk(self, mod):
"""add a silk layer"""
d = kicad.mil2mm(110)
w = self.w + d
h = self.h + d
self.centered_rect(mod, w, h, 'F.SilkS', 0.12)
w = self.w - d
self.centered_rect(mod, w, h, 'F.SilkS', 0.12, render=('L', 'R'))
mod.add_arc(self.w / 2.0, -d / 2.0, self.pitch / 2.0, 'F.SilkS', 0.12)
def fab(self, mod):
"""add a fab layer"""
d = kicad.mil2mm(100)
w = self.w + d
h = self.h + d
self.centered_rect(mod, w, h, 'F.Fab', 0.1)
w = self.w - d
self.centered_rect(mod, w, h, 'F.Fab', 0.1, render=('L', 'R'))
# add the notch
x = (self.w - w) / 2.0
y = (self.h - h) / 2.0
w = self.pitch / 2.0
h = w
mod.add_rect(x, y, w, h, 'F.Fab', 0.1, render=('d0', ))
def add_silk(self, mod):
"""add a silk layer"""
# add connector outlines
cw = kicad.mil2mm(200)
ch = kicad.mil2mm(25 * 100)
for cx, cy in (self.pad_xy(0, 0), self.pad_xy(1, 0)):
cx -= kicad.mil2mm(50)
cy -= kicad.mil2mm(50)
mod.add_rect(cx, cy, cw, ch, 'F.SilkS', 0.12)
# silk reference
t = kicad.mod_text('REF**', 'reference', 'F.SilkS')
t.set_xy((kicad.mil2mm(25), kicad.mil2mm(-100)))
mod.add_shape(t)
# silk pin 1
t = kicad.mod_text('A1', 'user', 'F.SilkS')
t.set_xy((kicad.mil2mm(-100), 0))
mod.add_shape(t)
def fab(self, mod):
"""add a fab layer"""
# fab name at top left
t = kicad.mod_text(name, 'value', 'F.Fab')
t.set_xy((kicad.mil2mm(0), kicad.mil2mm(-3250)))
mod.add_shape(t)
# fab reference at top left
t = kicad.mod_text('%R', 'user', 'F.Fab')
t.set_xy((kicad.mil2mm(0), kicad.mil2mm(-3150)))
mod.add_shape(t)
# board outline
x = (kicad.mil2mm(1300) - self.w) / 2.0
y = kicad.mil2mm(50) - self.h
mod.add_rect(x, y, self.w, self.h, 'F.Fab', 0.1)
def silk(self, mod):
"""add a silk layer"""
# silk reference
t = kicad.mod_text('REF**', 'reference', 'F.SilkS')
t.set_xy((0, kicad.mil2mm(-100)))
mod.add_shape(t)
# silk pin 1
t = kicad.mod_text('1', 'user', 'F.SilkS')
t.set_xy((kicad.mil2mm(-100), 0))
mod.add_shape(t)
# add the connector outlines
ch = kicad.mil2mm(100)
dx = kicad.mil2mm(50)
dy = kicad.mil2mm(50)
# large connector
(cx, cy) = self.pad_xy(0)
cx -= dx
cy -= dy
mod.add_rect(cx, cy, kicad.mil2mm(14 * 100), ch, 'F.SilkS', 0.12)
# small connector
(cx, cy) = self.pad_xy(14)
cx -= dx
cy -= dy
mod.add_rect(cx, cy, kicad.mil2mm(4 * 100), ch, 'F.SilkS', 0.12)
def courtyard(self, mod):
"""add a courtyard"""
x = (kicad.mil2mm(1300) - self.w) / 2.0
y = kicad.mil2mm(50) - self.h
mod.add_rect(x, y, self.w, self.h, 'F.CrtYd', 0.05)
mod.add_shape(t)
# add text: fab reference (center)
t = kicad.mod_text('%R', 'user', 'F.Fab')
t.set_xy((self.w / 2.0, self.h / 2.0))
mod.add_shape(t)
# add the pads
pad_size = 1.6
hole_size = 0.8
for i in range(self.n):
pad_shape = ('oval', 'rect')[i == 0]
p = kicad.mod_pad('%d' % (i + 1), 'thru_hole', pad_shape,
('*.Cu', '*.Mask'))
p.set_size(pad_size, pad_size).set_drill(hole_size)
p.set_xy(self.pad_xy(i))
mod.add_pad(p)
self.courtyard(mod)
self.fab(mod)
self.silk(mod)
return str(mod)
#-----------------------------------------------------------------------------
footprint.db.add(dip(8, kicad.mil2mm(300)))
footprint.db.add(dip(28, kicad.mil2mm(300)))
footprint.db.add(dip(14, kicad.mil2mm(300)))
footprint.db.add(dip(40, kicad.mil2mm(600)))
#-----------------------------------------------------------------------------
def add_courtyard(self, mod):
"""add a courtyard"""
x = (kicad.mil2mm(2100) - self.w) / 2.0
y = kicad.mil2mm(-1350)
mod.add_rect(x, y, self.w, self.h, 'F.CrtYd', 0.05)
def pad_xy(self, row, n):
pin_spacing = kicad.mil2mm(100)
row_spacing = kicad.mil2mm(2000)
x = row * row_spacing + (n & 1) * pin_spacing
y = (n >> 1) * pin_spacing
return (x, y)
