+#!/usr/bin/python3
+# Copyright 2022 by Keith Packard <keithp@keithp.com>. GPLv3
+#
+# Program to emit PCB footprint for NHD-C12864LZ-FSW-FBW-3V3 graphic LCD
+#
+
+# dimensions in mm from NHD-C12864LZ-FSW-FBW-3V3.pdf datasheet
+BodyWidth = 77.4
+BodyHeight = 52.4
+PinDiam = 0.7
+PinSpacing = 1.27
+PinOffset = 1.05
+Pins = 28
+
+ViewWidth = 66.52
+ViewHeight = 33.24
+ViewHCtr = BodyHeight / 2 - (33.24 / 2 + 6.08)
+
+# centered pair of holes for alignment pins
+MntWidth = 72.40
+MntOffset = 3
+MntDiam = 1.6
+
+# contacts for LED backlight
+BLWidth = 60.0
+BLDiam = 1.9 # a 1.9 x 1.0 slot is called for
+BLOffset = 3.79
+
+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 )
+
+print('# author: Keith Packard')
+print('# email: keithp@keithp.com')
+print('# dist-license: GPL 3')
+print('# use-license: unlimited')
+
+print('Element[0x0 "NHD-C12864LZ" "" "" 0 0 0 0 0 100 0x0]')
+print("(")
+
+# pins
+ # pin( x y thickness clearance mask drillhole name number flags)
+for pin in range (0,Pins):
+ if pin == Pins - 1:
+ Flags = '0x0101'
+ else:
+ Flags = '0x0001'
+
+ print(' Pin[',\
+ mm2mils100((13.5 - pin)*PinSpacing), \
+ mm2mils100(-BodyHeight/2+PinOffset), \
+ mm2mils100(PinDiam * 1.75), \
+ 1200, \
+ mm2mils100(PinDiam * 1.75) + 600, \
+ mm2mils100(PinDiam), \
+ '"pin%i"' % (Pins-pin), '"%i"' % (Pins-pin), Flags, ']')
+
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ -mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+
+# mark viewable area
+
+print(' ElementLine[',\
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ 500, \
+ ']')
+
+print(' ElementLine[',\
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ 500, \
+ ']')
+
+print(' ElementLine[',\
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ 500, \
+ ']')
+
+print(' ElementLine[',\
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ 500, \
+ ']')
+
+print(' ElementLine[',\
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ 500, \
+ ']')
+
+print(' ElementLine[',\
+ mm2mils100(-ViewWidth/2), \
+ mm2mils100(ViewHCtr - ViewHeight/2), \
+ mm2mils100(ViewWidth/2), \
+ mm2mils100(ViewHCtr + ViewHeight/2), \
+ 500, \
+ ']')
+
+# holes for alignment pins
+print(' Pin[',\
+ mm2mils100(MntWidth/2), \
+ mm2mils100(-BodyHeight / 2 + MntOffset), \
+ mm2mils100(MntDiam * 1.75), \
+ 1200, \
+ mm2mils100(MntDiam * 1.75) + 600, \
+ mm2mils100(MntDiam), \
+ '"G"', '"G"', '0x0001', ']')
+
+print(' Pin[',\
+ mm2mils100(-MntWidth/2), \
+ mm2mils100(-BodyHeight / 2 + MntOffset), \
+ mm2mils100(MntDiam * 1.75), \
+ 1200, \
+ mm2mils100(MntDiam * 1.75) + 600, \
+ mm2mils100(MntDiam), \
+ '"G"', '"G"', '0x0001', ']')
+
+# backlight pins
+print(' Pin[',\
+ mm2mils100(-BLWidth/2), \
+ mm2mils100(-BodyHeight/2+BLOffset), \
+ mm2mils100(BLDiam * 1.75), \
+ 1200, \
+ mm2mils100(BLDiam * 1.75) + 600, \
+ mm2mils100(BLDiam), \
+ '"K"', '"K"', '0x0001', ']')
+
+print(' Pin[',\
+ mm2mils100(BLWidth/2), \
+ mm2mils100(-BodyHeight/2+BLOffset), \
+ mm2mils100(BLDiam * 1.75), \
+ 1200, \
+ mm2mils100(BLDiam * 1.75) + 600, \
+ mm2mils100(BLDiam), \
+ '"A"', '"A"', '0x0001', ']')
+
+print(")")