Fix issue in bga footprint wizard.

pcbnew/scripting/plugins/PadArray.py

@@ -75,13 +75,14 @@ class PadGridArray(PadArray):
 
     # handy utility function 1 - A, 2 - B, 26 - AA, etc
     # aIndex = 0 for 0 - A
-    def AlphaNameFromNumber(self, n, aIndex = 1):
+    # alphabet = set of allowable chars if not A-Z, eg ABCDEFGHJKLMNPRTUVWY for BGA
+    def AlphaNameFromNumber(self, n, aIndex = 1, alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"):
 
-        div, mod = divmod(n - aIndex, 26)
-        alpha = chr(65 + mod)
+        div, mod = divmod(n - aIndex, len(alphabet))
+        alpha = alphabet[mod]
 
         if div > 0:
-            return self.AlphaNameFromNumber(div) + alpha;
+            return self.AlphaNameFromNumber(div, aIndex, alphabet) + alpha;
 
         return alpha;
 

pcbnew/scripting/plugins/bga_wizard.py

@@ -24,7 +24,7 @@ import PadArray as PA
 class BGAPadGridArray(PA.PadGridArray):
 
     def NamingFunction(self, x, y):
-        return "%s%d" % (self.AlphaNameFromNumber(y + 1), x + 1)
+        return "%s%d" % (self.AlphaNameFromNumber(y + 1, alphabet="ABCDEFGHJKLMNPRTUVWY"), x + 1)
 
 
 class BGAWizard(HFPW.HelpfulFootprintWizardPlugin):
@@ -76,10 +76,10 @@ class BGAWizard(HFPW.HelpfulFootprintWizardPlugin):
         # add in the pads
         pad = PA.PadMaker(self.module).SMTRoundPad(pads["pad size"])
 
-        pin1Pos = pcbnew.wxPoint(-((rows - 1) * pad_pitch) / 2,
-                                -((cols - 1) * pad_pitch) / 2)
+        pin1Pos = pcbnew.wxPoint(-((cols - 1) * pad_pitch) / 2,
+                                 -((rows - 1) * pad_pitch) / 2)
 
-        array = BGAPadGridArray(pad, rows, cols, pad_pitch, pad_pitch, pin1Pos)
+        array = BGAPadGridArray(pad, cols, rows, pad_pitch, pad_pitch, pin1Pos)
         array.AddPadsToModule()
 
         #box