From 83fa1a607a23490c3291680be7f37b823b2c46c8 Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Tue, 21 Sep 2021 01:55:31 -0600
Subject: [PATCH] add a footprint for 32-pin variant of cc1310

---
 packages/Makefile    |   3 +-
 packages/RSM0032B.py | 152 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 154 insertions(+), 1 deletion(-)
 create mode 100755 packages/RSM0032B.py

diff --git a/packages/Makefile b/packages/Makefile
index c40fc88..9efa2cc 100644
--- a/packages/Makefile
+++ b/packages/Makefile
@@ -146,7 +146,8 @@ FOOTPRINTS= \
 	AT1220.fp \
 	LPH.fp \
 	FA-20H.fp \
-	RGZ0048A.fp
+	RGZ0048A.fp \
+	RSM0032B.fp
 
 .5c.fp:
 	nickle $*.5c -o $@
diff --git a/packages/RSM0032B.py b/packages/RSM0032B.py
new file mode 100755
index 0000000..4143c0f
--- /dev/null
+++ b/packages/RSM0032B.py
@@ -0,0 +1,152 @@
+#!/usr/bin/python2
+# Copyright 2021 by Bdale Garbee <bdale@gag.com>.  GPLv3
+#
+# Emit PCB footprint for RSM0032B package used by TI CC1310 with RSMR suffix 
+#
+
+# dimensions in mm from the ti/cc1310/cc1310.pdf datasheet
+
+PinWidth = 0.2		
+PinResist = 0.2			# width of gap in solder resist over pad
+PinHeight = 0.55
+PinSpacing = 0.40
+Overall = 4.00
+GndSquare = 2.8
+GndSquareMask = 2.9
+PasteSquare = 1.23		# paste spots over ground tab
+PasteGrid = 1.43
+ViaDrill = 0.254		# mfg spec is 0.2, >= 10 mil AC standard spec
+ViaPadSize = 0.5
+CoreViaSpacing = 1.15
+
+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 "RSM0032B" "" "" 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), \
+	'"pin33" "33" "square,nopaste"]'
+
+# vias in the ground pad under the chip
+print '   Pin[',\
+	mm2mils100(-CoreViaSpacing), \
+ 	mm2mils100(0), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin33" "33" 0x0002]'
+
+print '   Pin[',\
+	mm2mils100(0), \
+ 	mm2mils100(0), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin33" "33" 0x0002]'
+
+print '   Pin[',\
+ 	mm2mils100(CoreViaSpacing), \
+	mm2mils100(0), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin33" "33" 0x0002]'
+
+print '   Pin[',\
+ 	mm2mils100(0), \
+	mm2mils100(-CoreViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin33" "33" 0x0002]'
+
+print '   Pin[',\
+ 	mm2mils100(0), \
+	mm2mils100(CoreViaSpacing), \
+	mm2mils100(ViaPadSize), \
+	mm2mils100(ViaPadSize), \
+  	0, \
+  	mm2mils100(ViaDrill), \
+	'"pin33" "33" 0x0002]'
+
+# solder paste squares in a grid on central ground pad
+for pasterow in range (-1, 1):
+  for pastecol in range (-1, 1):
+    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)), \
+	'"pin33" "33" "square"]'
+
+# pins
+for pin in range (1,9):
+    print '   Pad[',\
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight/2 - PinWidth/2), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (25-(pin)), '"%i"' % (25-(pin)), '"square"]'
+
+    print '   Pad[',\
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * 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((pin - 4.5) * PinSpacing), \
+	mm2mils100(Overall/2 + PinHeight/2 - PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (17-pin), '"%i"' % (17-pin), '"square"]'
+
+    print '   Pad[',\
+	mm2mils100(-Overall/2 - PinHeight/2 + PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(-Overall/2 + PinHeight/2 - PinWidth/2), \
+ 	mm2mils100((pin - 4.5) * PinSpacing), \
+	mm2mils100(PinWidth), \
+	mm2mils100(PinSpacing - PinWidth), \
+	mm2mils100(PinResist), \
+	'"pin%i"' % (24+pin), '"%i"' % (24+pin), '"square"]'
+
+print '   ElementArc[',\
+	mm2mils100(-2.25), \
+	mm2mils100(2.25), \
+	'500 500 0 360 1000 ]'
+print ")"
-- 
2.47.2