Added QFN28 and QFN32 footprints for MCU and TXRX.

modules/qfn.fpd

@@ -0,0 +1,101 @@
+/* MACHINE-GENERATED ! */
+
+frame center {
+	set pin = pins+1
+
+	set x = D2+0.1mm
+
+	set y = E2+0.1mm
+
+	__0: vec @(x/2, y/2)
+	__1: vec @(-x/2, -y/2)
+	pad "$pin" . __0
+}
+
+frame pad {
+	set px = (dx*X1+dy*Y1)/2
+
+	set py = (dy*X1+dx*Y1)/2
+
+	set pin = side*pins/4+i+1
+
+	__0: vec @(px, py)
+	__1: vec @(-px, -py)
+	pad "$pin" __0 .
+}
+
+frame side {
+	set pos = i-(pins/4-1)/2
+
+	loop i = 0, pins/4-1
+
+	__0: vec @(E*pos*dx, E*pos*dy)
+	frame pad .
+}
+
+frame pads {
+	table
+	    { side, dx, dy }
+	    { 0, 0, -1 }
+	    { 1, 1, 0 }
+	    { 2, 0, 1 }
+	    { 3, -1, 0 }
+
+	__0: vec @(dy*C1/2, -dx*C2/2)
+	frame side .
+}
+
+frame index {
+}
+
+frame outline {
+	table
+	    { index, dx, _, dy }
+	    { 1, -1, 0, 0 }
+	    { 0, 0, 0, -1 }
+	    { 0, 1, 0, 0 }
+	    { 0, 0, 0, 1 }
+
+	set mx = dx*C1/2
+
+	set my = dy*C2/2
+
+	set cx = mx+my
+
+	set cy = my-mx
+
+	set ax = -Y1/2*dx
+
+	set ay = -Y1/2*dy
+
+	set bx = -Y1/2*dy
+
+	set by = Y1/2*dx
+
+	__0: vec @(cx, cy)
+	w: vec .(ax, ay)
+	line __0 . w
+	__2: vec __0(bx, by)
+	line __0 . w
+	__1: vec .(index*(ax-bx), index*(ay-by))
+	line __2 . w
+}
+
+package "QFN$pins"
+unit mm
+
+table
+    { pins, X1, Y1, E, C1, C2, D2, E2 }
+    { 28, 0.25mm, 0.9mm, 0.5mm, 4.8mm, 4.8mm, 3.15mm, 3.15mm }
+    { 32, 0.29mm, 0.9mm, 0.5mm, 5.1mm, 5.1mm, 3.3mm, 3.3mm }
+
+set X2 = X1+(pins/4-1)*E
+
+set Y2 = X2
+
+set w = 5mil
+
+__0: vec @(D2/2, E2/2)
+frame pads @
+frame center @
+frame outline @