working on the CC1120's footprint .. currently it's a 32-pin variation on

[hw/bdale] / pkg / newlib / lqfp100.py

diff --git a/pkg/newlib/lqfp100.py b/pkg/newlib/lqfp100.py
new file mode 100755 (executable)
index 0000000..991570d
--- /dev/null
+++ b/pkg/newlib/lqfp100.py
@@ -0,0 +1,105 @@
+#!/usr/bin/python
+# Copyright 2011 by Bdale Garbee <bdale@gag.com>.  GPLv2
+#
+# Program to emit PCB footprint for STM32L151 LQFP100 14 x 14 mm package
+#
+
+# dimensions in mm from STM32L151 data sheet 
+PinWidth = 0.3
+PinHeight = 1.2
+PinResist = PinWidth + 0.16
+PinSpacing = 0.5
+BodySize = 14
+Overall = 16.7
+
+import sys
+
+# we're going to use the 1/100 of a mil fundamental unit form
+def mm2mils100( mm ):
+       return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
+
+print '# author: Bdale Garbee'
+print '# email: bdale@gag.com'
+print '# dist-license: GPL 2'
+print '# use-license: unlimited'
+
+print 'Element[0x0 "LQFP100" "" "" 0 0 0 0 0 100 0x0]'
+print "("
+
+# pins
+for pin in range (1,26):
+    print '   Pad[',\
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (26-pin), '"%i"' % (26-pin), '0x0100]'
+
+    print '   Pad[',\
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(+Overall/2 - PinHeight + PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(+Overall/2 - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (50+pin), '"%i"' % (50+pin), '0x0100]'
+
+    print '   Pad[',\
+       mm2mils100(Overall/2 - PinHeight + PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(Overall/2 - PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (101-pin), '"%i"' % (101-pin), '0x0100]'
+
+    print '   Pad[',\
+       mm2mils100(-Overall/2 + PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+       mm2mils100((pin - 13) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (25+pin), '"%i"' % (25+pin), '0x0100]'
+
+
+print '   ElementLine[',\
+       mm2mils100(-BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       mm2mils100( BodySize/2), \
+       '1000 ]'
+
+print '   ElementLine[',\
+       mm2mils100(-BodySize/2), \
+       mm2mils100( BodySize/2), \
+       mm2mils100( BodySize/2), \
+       mm2mils100( BodySize/2), \
+       '1000 ]'
+
+print '   ElementLine[',\
+       mm2mils100( BodySize/2), \
+       mm2mils100( BodySize/2), \
+       mm2mils100( BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       '1000 ]'
+
+print '   ElementLine[',\
+       mm2mils100( BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       mm2mils100(-BodySize/2), \
+       '1000 ]'
+
+
+print '   ElementArc[',\
+       mm2mils100(  (BodySize/2)+0.3), \
+       mm2mils100(-((BodySize/2)+0.3)), \
+       '500 500 0 360 1000 ]'
+print ")"