more symbols for MegaMetrum

[hw/bdale] / pkg / newlib / BMA250.py

diff --git a/pkg/newlib/BMA250.py b/pkg/newlib/BMA250.py
new file mode 100755 (executable)
index 0000000..000632b
--- /dev/null
+++ b/pkg/newlib/BMA250.py
@@ -0,0 +1,75 @@
+#!/usr/bin/python
+# Copyright 2011 by Bdale Garbee <bdale@gag.com>.  GPLv2
+#
+# Program to emit PCB footprint for Bosch BMA250 3-axis accelerometer
+#
+
+# dimensions in mm from BST-BMA250-DS002-02.pdf
+PinWidth = 0.30
+PinHeight = 0.35
+PinSpacing = 0.50
+RowSpacing = 1.90 - (2 * PinHeight)
+BodyWidth = 2.0
+BodyHeight = 2.0
+
+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 "BMA250" "" "" 0 0 -10161 -12011 0 100 0x0]'
+print "("
+for pin in range (0,4):
+    print '   Pad[',\
+       mm2mils100(-(RowSpacing/2 + PinWidth/2)), \
+       mm2mils100((pin-1.5) * PinSpacing), \
+       mm2mils100(-(RowSpacing/2 + PinHeight - PinWidth/2)), \
+       mm2mils100((pin-1.5) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (pin+1), '"%i"' % (pin+1), '0x0100]'
+
+    print '   Pad[',\
+       mm2mils100(RowSpacing/2 + PinWidth/2), \
+       mm2mils100((pin-1.5) * PinSpacing), \
+       mm2mils100(RowSpacing/2 + PinHeight - PinWidth/2), \
+       mm2mils100((pin-1.5) * PinSpacing), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (10 - pin), '"%i"' % (10 - pin), '0x0100]'
+
+for pin in range (0,2):
+    print '   Pad[',\
+       mm2mils100((pin-0.5) * PinSpacing), \
+       mm2mils100(RowSpacing/2 + PinWidth/2), \
+       mm2mils100((pin-0.5) * PinSpacing), \
+       mm2mils100(RowSpacing/2 + PinHeight - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (pin + 5), '"%i"' % (pin + 5), '0x0100]'
+
+    print '   Pad[',\
+       mm2mils100((pin-0.5) * PinSpacing), \
+       mm2mils100(-RowSpacing/2 - PinWidth/2), \
+       mm2mils100((pin-0.5) * PinSpacing), \
+       mm2mils100(- RowSpacing/2 - PinHeight + PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (12-pin), '"%i"' % (12-pin), '0x0100]'
+
+print '   ElementArc[',\
+        mm2mils100(-0.7 * BodyWidth), \
+       mm2mils100(-1.5 * PinSpacing), \
+       '500 500 0 360 1000 ]'
+
+print ")"