-#!/usr/bin/python2
+#!/usr/bin/python3
# Copyright 2022 by Bdale Garbee <bdale@gag.com>. GPLv3
#
# emit PCB footprint for Atmel VQFN-48 package used by SAM21D
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 3'
-print '# use-license: unlimited'
+print('# author: Bdale Garbee')
+print('# email: bdale@gag.com')
+print('# dist-license: GPL 3')
+print('# use-license: unlimited')
-print 'Element[0x0 "vqfn-48" "" "" 0 0 0 0 0 100 0x0]'
-print "("
+print('Element[0x0 "vqfn-48" "" "" 0 0 0 0 0 100 0x0]')
+print("(")
## pad under the chip
-#print ' Pad[',\
+#print(' Pad[',\
# mm2mils100(0), \
# mm2mils100(0), \
# mm2mils100(0), \
# mm2mils100(GndSquare), \
# mm2mils100(PinClearance), \
# mm2mils100(PinResist), \
-# '"pin49" "49" "square,nopaste"]'
+# '"pin49" "49" "square,nopaste"]')
#
## vias in the ground pad under the chip
#for viarow in range (-1,1):
# for viacol in range (-1,1):
-# print ' Pin[',\
+# print(' Pin[',\
# mm2mils100(1.8 * viacol * CoreSquare / 3 + .9 * CoreSquare/3), \
# mm2mils100(1.8 * viarow * CoreSquare / 3 + .9 * CoreSquare/3), \
# 2600, \
# 2500, \
# 0, \
# 1300, \
-# '"pin17" "17" 0x0002]'
+# '"pin17" "17" 0x0002]')
#
## break pad under chip into a grid to control the resist and paste masks
#
# for viacol in range (-1, 2):
# if (viarow in (-1, 1)) and (viacol in (-1, 1)):
# # copper sub-square with resist over vias
-# print ' Pad[',\
+# print(' Pad[',\
# mm2mils100(viacol * CoreSquare / blocks), \
# mm2mils100(viarow * CoreSquare / blocks), \
# mm2mils100(viacol * CoreSquare / blocks), \
# mm2mils100((CoreSquare)/blocks), \
# 0, \
# 0, \
-# '"pin17" "17" "square,nopaste"]'
+# '"pin17" "17" "square,nopaste"]')
# else:
# # copper sub-square without resist
-# print ' Pad[',\
+# print(' Pad[',\
# mm2mils100(viacol * CoreSquare / blocks), \
# mm2mils100(viarow * CoreSquare / blocks), \
# mm2mils100(viacol * CoreSquare / blocks), \
# mm2mils100((CoreSquare)/blocks), \
# 0, \
# mm2mils100((CoreSquare)/blocks), \
-# '"pin17" "17" "square,nopaste"]'
+# '"pin17" "17" "square,nopaste"]')
# # copper spot to control paste mask generation
-# print ' Pad[',\
+# print(' Pad[',\
# mm2mils100(viacol * CoreSquare / blocks), \
# mm2mils100(viarow * CoreSquare / blocks), \
# mm2mils100(viacol * CoreSquare / blocks), \
# 1500, \
# 0, \
# mm2mils100((CoreSquare)/blocks), \
-# '"pin17" "17" "square"]'
+# '"pin17" "17" "square"]')
# pins
for pin in range (1,13):
- print ' Pad[',\
+ print(' Pad[',\
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(-RowSpacing/2 - PinHeight/2 + PinWidth/2), \
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(PinWidth), \
mm2mils100(PinClearance), \
mm2mils100(PinResist), \
- '"pin%i"' % (37-pin), '"%i"' % (37-pin), '0x0000]'
+ '"pin%i"' % (37-pin), '"%i"' % (37-pin), '0x0000]')
- print ' Pad[',\
+ print(' Pad[',\
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(RowSpacing/2 - PinHeight/2 + PinWidth/2), \
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(PinWidth), \
mm2mils100(PinClearance), \
mm2mils100(PinResist), \
- '"pin%i"' % pin, '"%i"' % pin, '0x0000]'
+ '"pin%i"' % pin, '"%i"' % pin, '0x0000]')
- print ' Pad[',\
+ print(' Pad[',\
mm2mils100(-RowSpacing/2 - PinHeight/2 + PinWidth/2), \
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(-RowSpacing/2 + PinHeight/2 - PinWidth/2), \
mm2mils100(PinWidth), \
mm2mils100(PinClearance), \
mm2mils100(PinResist), \
- '"pin%i"' % (36+pin), '"%i"' % (36+pin), '0x0000]'
+ '"pin%i"' % (36+pin), '"%i"' % (36+pin), '0x0000]')
- print ' Pad[',\
+ print(' Pad[',\
mm2mils100(RowSpacing/2 - PinHeight/2 + PinWidth/2), \
mm2mils100((-6.5 + pin) * PinSpacing), \
mm2mils100(RowSpacing/2 + PinHeight/2 - PinWidth/2), \
mm2mils100(PinWidth), \
mm2mils100(PinClearance), \
mm2mils100(PinResist), \
- '"pin%i"' % (25-pin), '"%i"' % (25-pin), '0x0000]'
+ '"pin%i"' % (25-pin), '"%i"' % (25-pin), '0x0000]')
-print ' ElementArc[',\
+print(' ElementArc[',\
mm2mils100(-Overall/2 - PinWidth), \
mm2mils100(Overall/2 + PinWidth), \
- '500 500 0 360 1000 ]'
-print ")"
+ '500 500 0 360 1000 ]')
+print(")")