update usbAmale footprint to support multiple vendors

diff --git a/packages/usbAmale.py b/packages/usbAmale.py
index cf4a6ad7101612bd88a4e105c7007d292ba37625..58f29a4d65c4d3c0ba66fc7ee8be1c28e5e63f83 100755 (executable)
--- a/packages/usbAmale.py
+++ b/packages/usbAmale.py
@@ -1,22 +1,28 @@
 #!/usr/bin/python
 # 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
+# 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 = 2.50
 TabSpacing = 11.70
 
 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