2 # Copyright 2018 by Bdale Garbee <bdale@gag.com>. GPLv3
4 # Program to emit PCB footprint for LGA 14 such as ADXL375
7 # dimensions in mm from ADXL375.pdf
12 RowCenters = 3.340 - PinHeight
13 RowSpacing = RowCenters - PinHeight
14 EndCenters = 5.340 - PinHeight
15 EndSpacing = EndCenters - PinHeight
21 # we're going to use the 1/100 of a mil fundamental unit form
23 return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
25 print '# author: Bdale Garbee'
26 print '# email: bdale@gag.com'
27 print '# dist-license: GPL 3'
28 print '# use-license: unlimited'
30 print 'Element[0x0 "lga14" "" "" 0 0 -10161 -12011 0 100 0x0]'
32 for pin in range (0,6):
34 mm2mils100((pin-2.5) * PinSpacing), \
35 mm2mils100(-(RowSpacing/2 + PinWidth/2)), \
36 mm2mils100((pin-2.5) * PinSpacing), \
37 mm2mils100(-(RowSpacing/2 + PinHeight - PinWidth/2)), \
38 mm2mils100(PinWidth), \
39 mm2mils100(PinSpacing - PinWidth), \
40 mm2mils100(PinWidth)+600, \
41 '"pin%i"' % (13 - pin), '"%i"' % (13 - pin), '0x0100]'
44 mm2mils100((pin-2.5) * PinSpacing), \
45 mm2mils100(RowSpacing/2 + PinWidth/2), \
46 mm2mils100((pin-2.5) * PinSpacing), \
47 mm2mils100(RowSpacing/2 + PinHeight - PinWidth/2), \
48 mm2mils100(PinWidth), \
49 mm2mils100(PinSpacing - PinWidth), \
50 mm2mils100(PinWidth)+600, \
51 '"pin%i"' % (1 + pin), '"%i"' % (1 + pin), '0x0100]'
54 mm2mils100(EndSpacing/2 + PinWidth/2), \
56 mm2mils100(EndSpacing/2 + PinHeight - PinWidth/2), \
58 mm2mils100(PinWidth), \
59 mm2mils100(PinSpacing - PinWidth), \
60 mm2mils100(PinWidth)+600, \
61 '"pin%i"' % 7, '"%i"' % 7, '0x0100]'
64 -mm2mils100(EndSpacing/2 + PinWidth/2), \
66 -mm2mils100(EndSpacing/2 + PinHeight - PinWidth/2), \
68 mm2mils100(PinWidth), \
69 mm2mils100(PinSpacing - PinWidth), \
70 mm2mils100(PinWidth)+600, \
71 '"pin%i"' % 14, '"%i"' % 14, '0x0100]'
73 print ' ElementLine[',\
74 mm2mils100(-BodyHeight/2), \
75 mm2mils100(-BodyWidth/2), \
76 mm2mils100(-BodyHeight/2), \
77 mm2mils100( BodyWidth/2), \
80 print ' ElementLine[',\
81 mm2mils100(-BodyHeight/2), \
82 mm2mils100( BodyWidth/2), \
83 mm2mils100( BodyHeight/2), \
84 mm2mils100( BodyWidth/2), \
87 print ' ElementLine[',\
88 mm2mils100( BodyHeight/2), \
89 mm2mils100( BodyWidth/2), \
90 mm2mils100( BodyHeight/2), \
91 mm2mils100(-BodyWidth/2), \
94 print ' ElementLine[',\
95 mm2mils100( BodyHeight/2), \
96 mm2mils100(-BodyWidth/2), \
97 mm2mils100(-BodyHeight/2), \
98 mm2mils100(-BodyWidth/2), \
101 print ' ElementArc[',\
102 mm2mils100(-2.75 * PinSpacing), \
103 mm2mils100(RowSpacing*2), \
104 '500 500 0 360 1000 ]'