From: Keith Packard <keithp@keithp.com>
Date: Wed, 24 Dec 2014 10:44:37 +0000 (-0800)
Subject: Add LQFP-32 footprint
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=aa7b2ab720098ca66fedd5da73fc673a8b1b1d14;p=hw%2Faltusmetrum

Add LQFP-32 footprint

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/packages/Makefile b/packages/Makefile
index a0f1dc5..9f30c0e 100644
--- a/packages/Makefile
+++ b/packages/Makefile
@@ -23,6 +23,7 @@ FOOTPRINTS= \
 	ABM8.fp \
 	1212-8.fp \
 	AN3111.fp \
+	lqfp32.fp \
 	lqfp48.fp \
 	lqfp64.fp \
 	lqfp100.fp \
diff --git a/packages/lqfp32.py b/packages/lqfp32.py
new file mode 100755
index 0000000..d55059b
--- /dev/null
+++ b/packages/lqfp32.py
@@ -0,0 +1,105 @@
+#!/usr/bin/python
+# Copyright 2012 by Bdale Garbee <bdale@gag.com>.  GPLv2
+#
+# Program to emit PCB footprint for STM32L151 LQFP48 7 x 7 mm package
+#
+
+# dimensions in mm from STM32L151 data sheet 
+PinWidth = 0.5
+PinHeight = 1.2
+PinResist = PinWidth + 0.16
+PinSpacing = 0.8
+BodySize = 7.0
+Overall = 9.7
+
+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 (1,9):
+    print '   Pad[',\
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (9-pin), '"%i"' % (9-pin), '0x0100]'
+
+    print '   Pad[',\
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(+Overall/2 - PinHeight + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(+Overall/2 - PinWidth/2), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (16+pin), '"%i"' % (16+pin), '0x0100]'
+
+    print '   Pad[',\
+	mm2mils100(Overall/2 - PinHeight + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(Overall/2 - PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (33-pin), '"%i"' % (33-pin), '0x0100]'
+
+    print '   Pad[',\
+	mm2mils100(-Overall/2 + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight - PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (8+pin), '"%i"' % (8+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 ")"