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# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
from __future__ import division
import pcbnew
import HelpfulFootprintWizardPlugin as HFPW
import PadArray as PA
class RowedFootprint(HFPW.HelpfulFootprintWizardPlugin):
pad_count_key = '#pad count'
line_count_key = '#line count'
pad_vertical_size_key = 'pad vertical size'
pad_horizontal_size_key = 'pad horizontal size'
line_spacing_key = 'line spacing'
pad_pitch_key = 'pad pitch'
drill_size_key = 'drill size'
courtyard_x_margin_key = 'courtyard x margin'
courtyard_y_margin_key = 'courtyard y margin'
outline_x_margin_key = 'outline x margin'
outline_y_margin_key = 'outline y margin'
silkscreen_inside_key = 'silk screen inside'
def GenerateParameterList(self):
# defaults for a ZIP package
self.AddParam("Pads", self.pad_count_key, self.uNatural, 24)
self.AddParam("Pads", self.line_count_key, self.uNatural, 2)
self.AddParam("Body", self.silkscreen_inside_key, self.uBool, False)
self.AddParam("Body", self.courtyard_x_margin_key, self.uMM, 1)
self.AddParam("Body", self.courtyard_y_margin_key, self.uMM, 1)
def CheckParameters(self):
self.CheckParamInt("Pads", '*' + self.pad_count_key)
self.CheckParamInt("Pads", '*' + self.line_count_key)
# can do this internally to parameter manager?
self.CheckParamBool("Body", '*' + self.silkscreen_inside_key)
def BuildThisFootprint(self):
pads = self.parameters["Pads"]
body = self.parameters["Body"]
pad_count = pads['*' + self.pad_count_key]
pad_Vsize = pads[self.pad_vertical_size_key]
pad_Hsize = pads[self.pad_horizontal_size_key]
line_pitch = pads[self.line_spacing_key]
pad_pitch = pads[self.pad_pitch_key]
line_count = pads['*' + self.line_count_key]
if line_count == 1:
singleline = True
else:
singleline = False
# add in the pads
pad = self.GetPad()
array = PA.PadZGridArray(pad, pad_count, line_count, line_pitch, pad_pitch)
array.AddPadsToModule(self.draw)
# draw the Silk Screen
pads_per_line = pad_count // line_count
row_length = pad_pitch * (pads_per_line - 1) # fenceposts
ssx_offset = pad_Hsize / 2 + body[self.outline_x_margin_key]
ssy_offset = pad_Vsize / 2 + body[self.outline_y_margin_key]
pin1posX = pad_pitch * (pad_count - 1) / 2
pin1posY = line_pitch * (line_count - 1) / 2
leftx = pin1posX + ssx_offset
lowy = pin1posY + ssy_offset
cornery = lowy
# body inside pads is possible only for 2 rows.
# for other values, there is no room
linew = self.draw.GetLineTickness()
if body['*'+self.silkscreen_inside_key] and line_count == 2:
cornery = pin1posY - ssy_offset
if cornery < linew:
cornery = linew
self.DrawBox(leftx*2, cornery*2)
# Courtyard
cmarginx = body[self.courtyard_x_margin_key]
cmarginy = body[self.courtyard_y_margin_key]
self.draw.SetLayer(pcbnew.F_CrtYd)
sizex = (pin1posX + cmarginx) * 2 + pad_Hsize
sizey = (pin1posY + cmarginy) * 2 + pad_Vsize
self.draw.Box(0, 0, sizex, sizey)
#reference and value
text_size = self.GetTextSize() # IPC nominal
t_posy = lowy + text_size
self.draw.Value(0, t_posy, text_size)
self.draw.Reference(0, -t_posy, text_size)
def DrawBox(self, sizex, sizey):
# ----------
# | 2 4 6 8|
# |1 3 5 7 |
# \---------
setback = pcbnew.FromMM(1)
if setback > sizey/2:
setback = sizey/2
self.draw.BoxWithDiagonalAtCorner(0, 0, sizex, sizey, setback, self.draw.flipY)
class ZIPWizard(RowedFootprint):
def GetName(self):
return "ZIP"
def GetDescription(self):
return "N lines Zip Package Footprint Wizard"
def GenerateParameterList(self):
RowedFootprint.GenerateParameterList(self)
self.AddParam("Pads", self.pad_pitch_key, self.uMM, 1.27)
self.AddParam("Pads", self.pad_horizontal_size_key, self.uMM, 1.2)
self.AddParam("Pads", self.pad_vertical_size_key, self.uMM, 2)
self.AddParam("Pads", self.line_spacing_key, self.uMM, 2.54)
self.AddParam("Pads", self.drill_size_key, self.uMM, 0.8)
self.AddParam("Body", self.outline_x_margin_key, self.uMM, 1)
self.AddParam("Body", self.outline_y_margin_key, self.uMM, 0.5)
def GetValue(self):
rows = self.parameters["Pads"]['*' + self.line_count_key]
pad_cnt = self.parameters["Pads"]['*' + self.pad_count_key]
if rows == 1:
name = "SIP"
elif rows == 2:
name = "ZIP"
else: # triple and up aren't really a thing, but call it something!
name = "xIP"
return "%s-%d" % (name, pad_cnt)
def GetPad(self):
pad_Vsize = self.parameters["Pads"][self.pad_vertical_size_key]
pad_Hsize = self.parameters["Pads"][self.pad_horizontal_size_key]
drill = self.parameters["Pads"][self.drill_size_key]
return PA.PadMaker(self.module).THPad(
pad_Vsize, pad_Hsize, drill, shape=pcbnew.PAD_SHAPE_OVAL)
ZIPWizard().register()
class ZOICWizard(RowedFootprint):
def GetName(self):
return "ZOIC"
def GetDescription(self):
return "ZOIC, etc, Footprint Wizard"
def GetValue(self):
return "%s-%d" % ("ZOIC", self.parameters["Pads"]['*' + self.pad_count_key])
def GenerateParameterList(self):
RowedFootprint.GenerateParameterList(self)
#and override some of them
self.AddParam("Pads", self.pad_pitch_key, self.uMM, 0.6)
self.AddParam("Pads", self.pad_horizontal_size_key, self.uMM, 0.6)
self.AddParam("Pads", self.pad_vertical_size_key, self.uMM, 1.8)
self.AddParam("Pads", self.line_spacing_key, self.uMM, 5.2)
self.AddParam("Body", self.outline_x_margin_key, self.uMM, 0.5)
self.AddParam("Body", self.outline_y_margin_key, self.uMM, 1)
def GetPad(self):
pad_Vsize = self.parameters["Pads"][self.pad_vertical_size_key]
pad_Hsize = self.parameters["Pads"][self.pad_horizontal_size_key]
return PA.PadMaker(self.module).SMDPad(
pad_Vsize, pad_Hsize, shape=pcbnew.PAD_SHAPE_RECT)
ZOICWizard().register()
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