1 files changed, 98 insertions, 0 deletions
diff --git a/pcbnew/scripting/plugins/bga_wizard.py b/pcbnew/scripting/plugins/bga_wizard.py
new file mode 100644
index 0000000..ed3500f
--- /dev/null
+++ b/pcbnew/scripting/plugins/bga_wizard.py
@@ -0,0 +1,98 @@
+#  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 BGAPadGridArray(PA.PadGridArray):
+
+    def NamingFunction(self, n_x, n_y):
+        return "%s%d" % (
+            self.AlphaNameFromNumber(n_y + 1, alphabet="ABCDEFGHJKLMNPRTUVWY"),
+            n_x + 1)
+
+
+class BGAWizard(HFPW.HelpfulFootprintWizardPlugin):
+
+    def GetName(self):
+        return "BGA"
+
+    def GetDescription(self):
+        return "Ball Grid Array Footprint Wizard"
+
+    def GenerateParameterList(self):
+        self.AddParam("Pads", "pad pitch", self.uMM, 1)
+        self.AddParam("Pads", "pad size", self.uMM, 0.5)
+        self.AddParam("Pads", "row count", self.uNatural, 5)
+        self.AddParam("Pads", "column count", self.uNatural, 5)
+        self.AddParam("Pads", "outline x margin", self.uMM, 1)
+        self.AddParam("Pads", "outline y margin", self.uMM, 1)
+
+    def CheckParameters(self):
+        self.CheckParamInt("Pads", "*row count")
+        self.CheckParamInt("Pads", "*column count")
+
+    def GetValue(self):
+        pins = (self.parameters["Pads"]["*row count"]
+                * self.parameters["Pads"]["*column count"])
+
+        return "BGA_%d" % pins
+
+    def BuildThisFootprint(self):
+
+        pads = self.parameters["Pads"]
+
+        rows = pads["*row count"]
+        cols = pads["*column count"]
+        pad_size = pads["pad size"]
+        pad_size = pcbnew.wxSize(pad_size, pad_size)
+        pad_pitch = pads["pad pitch"]
+
+        # add in the pads
+        pad = PA.PadMaker(self.module).SMTRoundPad(pads["pad size"])
+
+        pin1_pos = pcbnew.wxPoint(-((cols - 1) * pad_pitch) / 2,
+                                  -((rows - 1) * pad_pitch) / 2)
+
+        array = BGAPadGridArray(pad, cols, rows, pad_pitch, pad_pitch)
+        array.AddPadsToModule(self.draw)
+
+        #box
+        ssx = -pin1_pos.x + pads["outline x margin"]
+        ssy = -pin1_pos.y + pads["outline y margin"]
+
+        self.draw.BoxWithDiagonalAtCorner(0, 0, ssx*2, ssy*2,
+                                          pads["outline x margin"])
+
+        # Courtyard
+        cmargin = self.draw.GetLineTickness()
+        self.draw.SetLayer(pcbnew.F_CrtYd)
+        sizex = (ssx + cmargin) * 2
+        sizey = (ssy + cmargin) * 2
+        self.draw.Box(0, 0, sizex, sizey)
+
+        #reference and value
+        text_size = self.GetTextSize()  # IPC nominal
+        ypos = ssy + text_size
+        self.draw.Value(0, ypos, text_size)
+        self.draw.Reference(0, -ypos, text_size)
+
+
+BGAWizard().register()