# footgen source file
# Generates a TQFP48 package.
# Entered by swm

include("landutils.inc")
include("constraints.inc")

#define pads
pad_type = "pad"
pad_shape = "rectangular"

pitch_x = pitch_y = 0.5 mm
define("padgap_x", 6.8mm) # package is a square
define("padgap_y", 6.8mm)

# make columns
pad_height = 0.30mm
pad_width = 1.6mm
array( -(padgap_x+pad_width)/2, 0, {}, {1:12} )
array(  (padgap_x+pad_width)/2, 0, {}, {36:25} )

# make rows - pads are rotated 90 degrees, swap height and width
mydefine("tmp", pad_width)
pad_width = pad_height
pad_height = tmp
array( 0,  (padgap_y+pad_height)/2, {48:37}, {} )
array( 0, -(padgap_y+pad_height)/2, {13:24}, {} )

# make a silkbox
mydefine("height", padgap_y + 2*pad_height + 1mm)
mydefine("width",  padgap_x + 2*pad_height + 1mm)
silkbox(0, 0, width, height)
# add a tick to upper left
silksegment(-width/2, height/2, -(width/2 + 1mm), height/2 +1mm)

mywriteland("TQFP48")