-#!/usr/bin/python
+#!/usr/bin/python2
# Copyright 2014 by Bdale Garbee <bdale@gag.com>. GPLv2
#
-# Program to emit PCB footprint for Keystone model 931 USB A male connector
+# Program to emit PCB footprint for Keystone model 931 USB A male connector,
+# should also work fine for 4ucon 10017 / 10019, and Acon C-UAR70-00-00
#
-# dimensions in mm from Keystone datasheet
-TabDiam = 2.50
+# dimensions in mm homogenized from Keystone, 4ucon, and Acon datasheets
+
+ # note that in practice we may not want
+ # holes for the tabs in a USB key form factor,
+ # in which case just delete the features in
+ # the PCB layout and make board width right
+TabDiam = 1.00
+TabLen = 2.50
TabSpacing = 11.70
+TabMetal = 0.5
PinDiam = 1.10
-PinSpacing = 4.60
+PinSpacing = 4.50 # keystone wants 4.6 here .. really?
-PadHeight = 1.99
-PadWidth = 1.10
+PadHeight = 2.0 # keystone says 1.99 but is 0.1 closer
+PadWidth = 1.20 # keystone says 1.1 but wider will work
Pad14 = 7.0
Pad23 = 2.0
-PadRowOffset = 2.50
-EdgeOffset = 2.90
+PadRowOffset = 2.60
+EdgeOffset = 2.70 # keystone says 2.9, but shorter should be ok
import sys
print ' Pin[',\
mm2mils100(-TabSpacing/2), \
- mm2mils100(0), \
- mm2mils100(TabDiam+0.3556), \
+ mm2mils100(-(TabLen-TabDiam)/2), \
+ mm2mils100(TabDiam+TabMetal), \
mm2mils100(0.31), \
mm2mils100(TabDiam+0.66), \
mm2mils100(TabDiam), \
'"mnt" "G" 0x0000]'
+print ' Pin[',\
+ mm2mils100(-TabSpacing/2), \
+ mm2mils100((TabLen-TabDiam)/2), \
+ mm2mils100(TabDiam+TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(TabDiam+0.66), \
+ mm2mils100(TabDiam), \
+ '"mnt" "G" 0x0000]'
+
+print ' Pad[',\
+ mm2mils100(-TabSpacing/2), \
+ mm2mils100(-(TabLen - TabDiam)/2), \
+ mm2mils100(-TabSpacing/2), \
+ mm2mils100((TabLen - TabDiam)/2), \
+ mm2mils100(TabDiam + TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(PadWidth)+600, \
+ '"mnt" "G" ""]'
+
+print ' Pad[',\
+ mm2mils100(-TabSpacing/2), \
+ mm2mils100(-(TabLen - TabDiam)/2), \
+ mm2mils100(-TabSpacing/2), \
+ mm2mils100((TabLen - TabDiam)/2), \
+ mm2mils100(TabDiam + TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(PadWidth)+600, \
+ '"mnt" "G" "onsolder"]'
+
print ' Pin[',\
mm2mils100(TabSpacing/2), \
- mm2mils100(0), \
- mm2mils100(TabDiam+0.3556), \
+ mm2mils100(-(TabLen-TabDiam)/2), \
+ mm2mils100(TabDiam+TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(TabDiam+0.66), \
+ mm2mils100(TabDiam), \
+ '"mnt" "G" 0x0000]'
+
+print ' Pin[',\
+ mm2mils100(TabSpacing/2), \
+ mm2mils100((TabLen-TabDiam)/2), \
+ mm2mils100(TabDiam+TabMetal), \
mm2mils100(0.31), \
mm2mils100(TabDiam+0.66), \
mm2mils100(TabDiam), \
'"mnt" "G" 0x0000]'
+print ' Pad[',\
+ mm2mils100(TabSpacing/2), \
+ mm2mils100(-(TabLen - TabDiam)/2), \
+ mm2mils100(TabSpacing/2), \
+ mm2mils100((TabLen - TabDiam)/2), \
+ mm2mils100(TabDiam + TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(PadWidth)+600, \
+ '"mnt" "G" ""]'
+
+print ' Pad[',\
+ mm2mils100(TabSpacing/2), \
+ mm2mils100(-(TabLen - TabDiam)/2), \
+ mm2mils100(TabSpacing/2), \
+ mm2mils100((TabLen - TabDiam)/2), \
+ mm2mils100(TabDiam + TabMetal), \
+ mm2mils100(0.31), \
+ mm2mils100(PadWidth)+600, \
+ '"mnt" "G" "onsolder"]'
+
print ' ElementLine[',\
mm2mils100(-TabSpacing/2), \
mm2mils100(-EdgeOffset)+500, \