2 # Copyright 2019 by Bdale Garbee <bdale@gag.com>. GPLv3
4 # Program to emit PCB footprint for Bosch LGA 14 such as BMX160
7 # dimensions in mm from BST-BMX160-DS000.pdf
12 HRowSpacing = 0.925 * 2
13 VRowSpacing = 0.675 * 2
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 "lga14b" "" "" 0 0 -10161 -12011 0 100 0x0]'
32 for pin in range (0,4):
34 mm2mils100(-(HRowSpacing/2 + PinWidth/2)), \
35 mm2mils100((pin-1.5) * PinSpacing), \
36 mm2mils100(-(HRowSpacing/2 + PinHeight - PinWidth/2)), \
37 mm2mils100((pin-1.5) * PinSpacing), \
38 mm2mils100(PinWidth), \
39 mm2mils100(PinSpacing - PinWidth), \
40 mm2mils100(PinWidth)+600, \
41 '"pin%i"' % (1 + pin), '"%i"' % (1 + pin), '0x0100]'
44 mm2mils100(HRowSpacing/2 + PinWidth/2), \
45 mm2mils100((pin-1.5) * PinSpacing), \
46 mm2mils100(HRowSpacing/2 + PinHeight - PinWidth/2), \
47 mm2mils100((pin-1.5) * PinSpacing), \
48 mm2mils100(PinWidth), \
49 mm2mils100(PinSpacing - PinWidth), \
50 mm2mils100(PinWidth)+600, \
51 '"pin%i"' % (11 - pin), '"%i"' % (11 - pin), '0x0100]'
53 for pin in range (0,3):
55 mm2mils100((pin-1) * PinSpacing), \
56 mm2mils100(-(VRowSpacing/2 + PinWidth/2)), \
57 mm2mils100((pin-1) * PinSpacing), \
58 mm2mils100(-(VRowSpacing/2 + PinHeight - PinWidth/2)), \
59 mm2mils100(PinWidth), \
60 mm2mils100(PinSpacing - PinWidth), \
61 mm2mils100(PinWidth)+600, \
62 '"pin%i"' % (14 - pin), '"%i"' % (14 - pin), '0x0100]'
65 mm2mils100((pin-1) * PinSpacing), \
66 mm2mils100(VRowSpacing/2 + PinWidth/2), \
67 mm2mils100((pin-1) * PinSpacing), \
68 mm2mils100(VRowSpacing/2 + PinHeight - PinWidth/2), \
69 mm2mils100(PinWidth), \
70 mm2mils100(PinSpacing - PinWidth), \
71 mm2mils100(PinWidth)+600, \
72 '"pin%i"' % (5 + pin), '"%i"' % (5 + pin), '0x0100]'
74 print ' ElementLine[',\
75 mm2mils100(-BodyHeight/2), \
76 mm2mils100(-BodyWidth/2), \
77 mm2mils100(-BodyHeight/2), \
78 mm2mils100( BodyWidth/2), \
81 print ' ElementLine[',\
82 mm2mils100(-BodyHeight/2), \
83 mm2mils100( BodyWidth/2), \
84 mm2mils100( BodyHeight/2), \
85 mm2mils100( BodyWidth/2), \
88 print ' ElementLine[',\
89 mm2mils100( BodyHeight/2), \
90 mm2mils100( BodyWidth/2), \
91 mm2mils100( BodyHeight/2), \
92 mm2mils100(-BodyWidth/2), \
95 print ' ElementLine[',\
96 mm2mils100( BodyHeight/2), \
97 mm2mils100(-BodyWidth/2), \
98 mm2mils100(-BodyHeight/2), \
99 mm2mils100(-BodyWidth/2), \
102 print ' ElementArc[',\
103 mm2mils100(-HRowSpacing), \
104 mm2mils100(-2.25 * PinSpacing), \
105 '500 500 0 360 1000 ]'