git.gag.com Git - hw/altusmetrum/blob - packages/s-pwson-n6.5c

   1 /*
   2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
   3  *
   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.
   7  *
   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.
  12  *
  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.
  16  */
  17
  18 load "footprint.5c"
  19 import Footprint;
  20
  21 Footprint::process_clearance = 0.07;
  22
  23 real pad_expose = 0.1;
  24 real pad_width = 0.3;
  25 real pad_height = 0.7;
  26 real pad_x_spacing = 0.65;
  27 real pad_y_gap = 1.4;
  28 real pad_y_spacing = pad_y_gap + pad_height;
  29
  30 real package_width = 2;
  31 real package_height = 2;
  32
  33 real center_width = 1.6;
  34 real center_height = 1.0;
  35
  36 real clearance = 0.0061 * 25.4;
  37 real mask = 0.07;
  38
  39 real pad_x_off = package_width / 2 - (pad_width - pad_expose) / 2 + pad_expose;
  40
  41 real num_pad = 3;       /* per side */
  42
  43 element_start("s-pwson-n6");
  44
  45 /* full center pad */
  46 pad_mm_clear_mask_options(0, 0, center_width, center_height, 0, center_height + mask, "7", "7", "square,nopaste");
  47
  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");
  53
  54 pin_mm_clear_mask_options(-0.9, 0,
  55                           0.3811, clearance*2, 0.2, 0, "GND", "7", "via");
  56
  57 pin_mm_clear_mask_options(0.9, 0,
  58                           0.3811, clearance*2, 0.2, 0, "GND", "7", "via");
  59
  60 real pad_y_off = pad_y_spacing / 2;
  61
  62 real pad_off(int n) {
  63         return pad_x_spacing * (n - (num_pad - 1) / 2);
  64 }
  65
  66 for (int pad = 0; pad < num_pad; pad++) {
  67         /* bottom side (1-3) */
  68
  69         pad_mm_clear_mask_options(pad_off(pad),
  70                                   pad_y_off,
  71                                   pad_width,
  72                                   pad_height,
  73                                   clearance * 2, pad_width + mask,
  74                                   sprintf("%d", pad + 1),
  75                                   sprintf("%d", pad + 1), "square");
  76
  77         /* top side (6-4) */
  78
  79         pad_mm_clear_mask_options(pad_off(pad),
  80                                   -pad_y_off,
  81                                   pad_width,
  82                                   pad_height,
  83                                   clearance * 2, pad_width + mask,
  84                                   sprintf("%d", 6 - pad),
  85                                   sprintf("%d", 6 - pad), "square");
  86
  87 }
  88
  89 rect(-package_width/2, -package_height/2, package_width, package_height);
  90
  91 real dot_off = -.3;
  92
  93 line(-package_width/2 + dot_off, package_height/2 - dot_off,
  94      -package_width/2 + dot_off, package_height/2 - dot_off);
  95
  96 element_end();