diff options
Diffstat (limited to 'pcbnew/scripting/plugins/qfp_wizard.py')
-rw-r--r-- | pcbnew/scripting/plugins/qfp_wizard.py | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/pcbnew/scripting/plugins/qfp_wizard.py b/pcbnew/scripting/plugins/qfp_wizard.py new file mode 100644 index 0000000..3cd1eda --- /dev/null +++ b/pcbnew/scripting/plugins/qfp_wizard.py @@ -0,0 +1,125 @@ +# 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 +import PadArray as PA + + +class QFPWizard(HelpfulFootprintWizardPlugin.HelpfulFootprintWizardPlugin): + + def GetName(self): + return "QFP" + + def GetDescription(self): + return "Quad Flat Package footprint wizard" + + def GenerateParameterList(self): + self.AddParam("Pads", "n", self.uNatural, 100) + self.AddParam("Pads", "pad pitch", self.uMM, 0.5) + self.AddParam("Pads", "pad width", self.uMM, 0.25) + self.AddParam("Pads", "pad length", self.uMM, 1.5) + self.AddParam("Pads", "vertical pitch", self.uMM, 15) + self.AddParam("Pads", "horizontal pitch", self.uMM, 15) + self.AddParam("Pads", "oval", self.uBool, True) + + self.AddParam("Package", "package width", self.uMM, 14) + self.AddParam("Package", "package height", self.uMM, 14) + self.AddParam("Package", "courtyard margin", self.uMM, 1) + + def CheckParameters(self): + self.CheckParamInt("Pads", "*n", is_multiple_of=4) + self.CheckParamBool("Pads", "*oval") + + def GetValue(self): + return "QFP_%d" % self.parameters["Pads"]["*n"] + + def BuildThisFootprint(self): + pads = self.parameters["Pads"] + + pad_pitch = pads["pad pitch"] + pad_length = self.parameters["Pads"]["pad length"] + pad_width = self.parameters["Pads"]["pad width"] + + v_pitch = pads["vertical pitch"] + h_pitch = pads["horizontal pitch"] + + pads_per_row = pads["*n"] // 4 + + row_len = (pads_per_row - 1) * pad_pitch + + pad_shape = pcbnew.PAD_SHAPE_OVAL if pads["*oval"] else pcbnew.PAD_SHAPE_RECT + + h_pad = PA.PadMaker(self.module).SMDPad( pad_length, pad_width, + shape=pad_shape, rot_degree=90.0) + v_pad = PA.PadMaker(self.module).SMDPad( pad_length, pad_width, shape=pad_shape) + + #left row + pin1Pos = pcbnew.wxPoint(-h_pitch / 2, 0) + array = PA.PadLineArray(h_pad, pads_per_row, pad_pitch, True, pin1Pos) + array.SetFirstPadInArray(1) + array.AddPadsToModule(self.draw) + + #bottom row + pin1Pos = pcbnew.wxPoint(0, v_pitch / 2) + array = PA.PadLineArray(v_pad, pads_per_row, pad_pitch, False, pin1Pos) + array.SetFirstPadInArray(pads_per_row + 1) + array.AddPadsToModule(self.draw) + + #right row + pin1Pos = pcbnew.wxPoint(h_pitch / 2, 0) + array = PA.PadLineArray(h_pad, pads_per_row, -pad_pitch, True, + pin1Pos) + array.SetFirstPadInArray(2*pads_per_row + 1) + array.AddPadsToModule(self.draw) + + #top row + pin1Pos = pcbnew.wxPoint(0, -v_pitch / 2) + array = PA.PadLineArray(v_pad, pads_per_row, -pad_pitch, False, + pin1Pos) + array.SetFirstPadInArray(3*pads_per_row + 1) + array.AddPadsToModule(self.draw) + + lim_x = self.parameters["Package"]["package width"] / 2 + lim_y = self.parameters["Package"]["package height"] / 2 + inner = (row_len / 2) + pad_pitch + + #top left - diagonal + self.draw.Line(-lim_x, -inner, -inner, -lim_y) + # top right + self.draw.Polyline([(inner, -lim_y), (lim_x, -lim_y), (lim_x, -inner)]) + # bottom left + self.draw.Polyline([(-inner, lim_y), (-lim_x, lim_y), (-lim_x, inner)]) + # bottom right + self.draw.Polyline([(inner, lim_y), (lim_x, lim_y), (lim_x, inner)]) + + # Courtyard + cmargin = self.parameters["Package"]["courtyard margin"] + self.draw.SetLayer(pcbnew.F_CrtYd) + sizex = (lim_x + cmargin) * 2 + pad_length + sizey = (lim_y + cmargin) * 2 + pad_length + self.draw.Box(0, 0, sizex, sizey) + + #reference and value + text_size = self.GetTextSize() # IPC nominal + text_offset = v_pitch / 2 + text_size + pad_length / 2 + + self.draw.Value(0, text_offset, text_size) + self.draw.Reference(0, -text_offset, text_size) + +QFPWizard().register() |