catch up on stuff

[hw/bdale] / pkg / newlib / ITG3200.py

diff --git a/pkg/newlib/ITG3200.py b/pkg/newlib/ITG3200.py
new file mode 100755 (executable)
index 0000000..dc1f878
--- /dev/null
+++ b/pkg/newlib/ITG3200.py
@@ -0,0 +1,74 @@
+#!/usr/bin/python
+# Copyright 2011 by Bdale Garbee <bdale@gag.com>.  GPLv2
+#
+# Program to emit PCB footprint for QFN24 package used by ITG-3200 gyro
+#
+
+# dimensions in mm from Invensense PS-ITG-3200-00-01.4.pdf
+PinWidth = 0.28                
+PinResist = PinWidth + (2 * 0.07)
+PinHeight = 0.8
+PinSpacing = 0.50
+Overall = 4.80
+
+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 "ITG3200" "" "" 0 0 0 0 0 100 0x0]'
+print "("
+
+# pins
+for pin in range (1,7):
+    print '   Pad[',\
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (19-pin), '"%i"' % (19-pin), '0x0000]'
+
+    print '   Pad[',\
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(+Overall/2 - PinHeight + PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(+Overall/2 - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % pin, '"%i"' % pin, '0x0000]'
+
+    print '   Pad[',\
+       mm2mils100(Overall/2 - PinHeight + PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(Overall/2 - PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (13-pin), '"%i"' % (13-pin), '0x0000]'
+
+    print '   Pad[',\
+       mm2mils100(-Overall/2 + PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+       mm2mils100((-3.5 + pin) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinResist), \
+       '"pin%i"' % (18+pin), '"%i"' % (18+pin), '0x0000]'
+
+print '   ElementArc[',\
+       mm2mils100(-(Overall/2)), \
+       mm2mils100(Overall/2), \
+       '500 500 0 360 1000 ]'
+print ")"