catch up on stuff

[hw/bdale] / pkg / newlib / 50milpitch.py

diff --git a/pkg/newlib/50milpitch.py b/pkg/newlib/50milpitch.py
new file mode 100755 (executable)
index 0000000..76b1b78
--- /dev/null
+++ b/pkg/newlib/50milpitch.py
@@ -0,0 +1,49 @@
+#!/usr/bin/python
+# Copyright 2011 by Bdale Garbee <bdale@gag.com>.  GPLv2
+#
+# Program to emit PCB footprint for
+#   Sullins Connector Solutions single row 0.050" header pins
+#
+# Needs pin count on command line, in range of 2..50
+#
+
+# dimensions in mm
+PinSpacing = 1.27
+
+import sys
+
+# we're going to use the 1/100 of a mil fundamental unit form
+def mm2mils100( mm ):
+       return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
+
+pins = int(sys.argv[1])
+if pins < 2:
+       sys.stderr.write('Must be at least 2 pins\n')
+       sys.exit(1)
+if pins > 15:
+       sys.stderr.write('Must be no more than 15 pins\n')
+       sys.exit(1)
+
+print '# author: Bdale Garbee'
+print '# email: bdale@gag.com'
+print '# dist-license: GPL 2'
+print '# use-license: unlimited'
+
+print 'Element[0x0 "50mil%ipin"' % pins,'"" "" 0 0 0 0 0 100 0x0]'
+print "("
+for pin in range (1,pins+1):
+    pinnum = pins + 1 - pin
+    if pinnum == 1:
+       Flags = '0x0101'
+    else:
+       Flags = '0x0001'
+    print '   Pin[', \
+       mm2mils100((pins-1)*PinSpacing - (pin-1)*PinSpacing), \
+       0, \
+       4200, \
+       1200, \
+       4800, \
+       2800, \
+       '"pin%i"' % pinnum, '"%i"' % pinnum, Flags, ']'
+
+print ")"