/*
 * Copyright © 2013 Keith Packard <keithp@keithp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

load "footprint.5c"
import Footprint;

process_clearance = 0.26;

real package_width = 5;
real package_height = 5;
real pad_spacing = 0.5;		/* P */
real pad_height = 0.85;		/* C */
real pad_width = 0.27;		/* D */
real pad_center_x = 5.25 / 2;	/* Gx/2 */
real pad_center_y = 5.25 / 2;	/* Gy/2 */

real center_width = 3.75;	/* SLx */
real center_height = 3.75;	/* SLy */

real center_drill = process_drill;
real center_copper = process_ring;
real center_mask = 0.60 / 2;

real center_space = 1.1;

int num_pad = 8;	/* per side */

real pad_off(int n) {
	return pad_spacing * (n - (num_pad - 1) / 2);
}

element_start("hvqfn33");

for (int pad = 0; pad < num_pad; pad++) {
	/* left side (1-8) */

	pad_mm(-pad_center_x,
	       pad_off(pad),
	       pad_height,
	       pad_width,
	       sprintf("%d", pad + 1),
	       sprintf("%d", pad + 1));

	/* bottom (9-16) */

	pad_mm(pad_off(pad),
	       pad_center_y,
	       pad_width,
	       pad_height,
	       sprintf("%d", pad + 9),
	       sprintf("%d", pad + 9));

	/* right (17-24) */

	pad_mm(pad_center_x,
	       -pad_off(pad),
	       pad_height,
	       pad_width,
	       sprintf("%d", pad + 17),
	       sprintf("%d", pad + 17));

	/* top (25-32) */

	pad_mm(-pad_off(pad),
	       -pad_center_y,
	       pad_width,
	       pad_height,
	       sprintf("%d", pad + 25),
	       sprintf("%d", pad + 25));
}

/* center */

center_pad((center_t) {
		.x = 0,
			.y = 0,
			.width = center_width,
			.height = center_height,
			.name = "33",
			.via_cols = 3,
			.via_rows = 3});

/* outline */

rect(-package_width/2, -package_height/2, package_width, package_height);

dot_off = 0.3;
dot_x = -package_width/2 - dot_off;
dot_y = -package_height/2 - dot_off;

line(dot_x, dot_y, dot_x, dot_y);

element_end();