2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 Footprint::process_clearance = 0.07;
23 real pad_expose = 0.1;
25 real pad_height = 0.7;
26 real pad_x_spacing = 0.65;
28 real pad_y_spacing = pad_y_gap + pad_height;
30 real package_width = 2;
31 real package_height = 2;
33 real center_width = 1.6;
34 real center_height = 1.0;
36 real clearance = 0.0061 * 25.4;
39 real pad_x_off = package_width / 2 - (pad_width - pad_expose) / 2 + pad_expose;
41 real num_pad = 3; /* per side */
43 element_start("s-pwson-n6");
46 pad_mm_clear_mask_options(0, 0, center_width, center_height, 0, center_height + mask, "7", "7", "square,nopaste");
48 /* 70% paste coverage */
49 real paste_coverage = 0.70;
50 real paste_coverage_scale = sqrt(paste_coverage);
51 pad_mm_clear_mask_options(0, 0, center_width * paste_coverage_scale,
52 center_height * paste_coverage_scale, 0, center_height + mask, "7", "7", "square");
54 pin_mm_clear_mask_options(-0.9, 0,
55 0.3811, clearance*2, 0.2, 0, "GND", "7", "via");
57 pin_mm_clear_mask_options(0.9, 0,
58 0.3811, clearance*2, 0.2, 0, "GND", "7", "via");
60 real pad_y_off = pad_y_spacing / 2;
63 return pad_x_spacing * (n - (num_pad - 1) / 2);
66 for (int pad = 0; pad < num_pad; pad++) {
67 /* bottom side (1-3) */
69 pad_mm_clear_mask_options(pad_off(pad),
73 clearance * 2, pad_width + mask,
74 sprintf("%d", pad + 1),
75 sprintf("%d", pad + 1), "square");
79 pad_mm_clear_mask_options(pad_off(pad),
83 clearance * 2, pad_width + mask,
84 sprintf("%d", 6 - pad),
85 sprintf("%d", 6 - pad), "square");
89 rect(-package_width/2, -package_height/2, package_width, package_height);
93 line(-package_width/2 + dot_off, package_height/2 - dot_off,
94 -package_width/2 + dot_off, package_height/2 - dot_off);