From fa67fabbb6abfaf76b25c35574da7b19544f3f87 Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Fri, 6 Aug 2021 23:23:46 -0600
Subject: [PATCH] add footprint for CC1310

---
 packages/.gitignore  |   1 +
 packages/Makefile    |   3 +-
 packages/RGZ0048A.py | 157 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 160 insertions(+), 1 deletion(-)
 create mode 100755 packages/RGZ0048A.py

diff --git a/packages/.gitignore b/packages/.gitignore
index 41eaf60..5a93bf2 100644
--- a/packages/.gitignore
+++ b/packages/.gitignore
@@ -132,3 +132,4 @@ SOIJ8.fp
 AT1220.fp
 LPH.fp
 FA-20H.fp
+RGZ0048A.fp
diff --git a/packages/Makefile b/packages/Makefile
index 15ccd96..57947c0 100644
--- a/packages/Makefile
+++ b/packages/Makefile
@@ -147,7 +147,8 @@ FOOTPRINTS= \
 	SOIJ8.fp \
 	AT1220.fp \
 	LPH.fp \
-	FA-20H.fp
+	FA-20H.fp \
+	RGZ0048A.fp
 
 .5c.fp:
 	nickle $*.5c -o $@
diff --git a/packages/RGZ0048A.py b/packages/RGZ0048A.py
new file mode 100755
index 0000000..832b52b
--- /dev/null
+++ b/packages/RGZ0048A.py
@@ -0,0 +1,157 @@
+#!/usr/bin/python2
+# Copyright 2021 by Bdale Garbee <bdale@gag.com>.  GPLv3
+#
+# Emit PCB footprint for RGZ0048A package used by TI CC1310 with RGZT suffix 
+#
+
+# dimensions in mm from the ti/cc1310/cc1310.pdf datasheet
+
+PinWidth = 0.24		
+PinResist = 0.38		# width of gap in solder resist over pad
+PinHeight = 0.6
+PinSpacing = 0.50
+Overall = 6.80
+GndSquare = 5.15
+GndSquareMask = 5.41
+PasteSquare = 1.06		# paste spots over ground tab
+PasteGrid = 1.26
+ViaDrill = 0.254		# mfg spec is 0.2, >= 10 mil AC standard spec
+ViaPadSize = 0.5
+CoreViaSpacing = 1.26
+SideViaSpacing = 1.065
+
+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: Bdale Garbee'
+print '# email: bdale@gag.com'
+print '# dist-license: GPL 3'
+print '# use-license: unlimited'
+
+print 'Element[0x0 "QFN48" "" "" 0 0 0 0 0 100 0x0]'
+print "("
+
+# pad under the chip, must be grounded
+print '   Pad[',\
+ 	mm2mils100(0), \
+	mm2mils100(0), \
+ 	mm2mils100(0), \
+	mm2mils100(0), \
+	mm2mils100(GndSquare), \
+	0, \
+	mm2mils100(GndSquareMask), \
+	'"pin49" "49" "square,nopaste"]'
+
+# vias in the ground pad under the chip
+for viarow in range (-1,2):
+  # outer rows
+  print '   Pin[',\
+	mm2mils100(-CoreViaSpacing - SideViaSpacing), \
+ 	mm2mils100(viarow * CoreViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin49" "49" 0x0002]'
+
+  print '   Pin[',\
+	mm2mils100(CoreViaSpacing + SideViaSpacing), \
+ 	mm2mils100(viarow * CoreViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin49" "49" 0x0002]'
+
+  print '   Pin[',\
+ 	mm2mils100(viarow * CoreViaSpacing), \
+	mm2mils100(-CoreViaSpacing - SideViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin49" "49" 0x0002]'
+
+  print '   Pin[',\
+ 	mm2mils100(viarow * CoreViaSpacing), \
+	mm2mils100(CoreViaSpacing + SideViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin49" "49" 0x0002]'
+
+  # center array
+  for viacol in range (-1,2):
+    print '   Pin[',\
+	mm2mils100(viacol * CoreViaSpacing), \
+ 	mm2mils100(viarow * CoreViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin49" "49" 0x0002]'
+
+# solder paste squares in a grid on central ground pad
+for pasterow in range (-2, 2):
+  for pastecol in range (-2, 2):
+    print '   Pad[',\
+	mm2mils100(pastecol * PasteGrid + PasteGrid/2), \
+ 	mm2mils100(pasterow * PasteGrid + PasteGrid/2), \
+	mm2mils100(pastecol * PasteGrid + PasteGrid/2), \
+ 	mm2mils100(pasterow * PasteGrid + PasteGrid/2), \
+	mm2mils100((PasteSquare)), \
+	0, \
+	mm2mils100((PasteSquare)), \
+	'"pin49" "49" "square"]'
+
+# pins
+for pin in range (1,13):
+    print '   Pad[',\
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(-Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight/2 - PinWidth/2), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (37-pin), '"%i"' % (37-pin), '"square"]'
+
+    print '   Pad[',\
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(+Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(+Overall/2 + PinHeight/2 - PinWidth/2), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % pin, '"%i"' % pin, '"square"]'
+
+    print '   Pad[',\
+	mm2mils100(Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(Overall/2 + PinHeight/2 - PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (25-pin), '"%i"' % (25-pin), '"square"]'
+
+    print '   Pad[',\
+	mm2mils100(-Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight/2 - PinWidth/2), \
+ 	mm2mils100(-3.25 + pin * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (36+pin), '"%i"' % (36+pin), '"square"]'
+
+print '   ElementArc[',\
+	mm2mils100(-3.6), \
+	mm2mils100(3.6), \
+	'500 500 0 360 1000 ]'
+print ")"
-- 
2.47.2