NopSCADlib/vitamins/pin_header.scad

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//
// NopSCADlib Copyright Chris Palmer 2018
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib 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, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib 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 NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
//! Pin headers and sockets, etc.
include <../utils/core/core.scad>
use <../utils/dogbones.scad>
panel_clearance = 0.2;
function hdr_pitch(type) = type[1]; //! Header pitch
function hdr_pin_length(type) = type[2]; //! Header pin length
function hdr_pin_below(type) = type[3]; //! Header pin length underneath
function hdr_pin_width(type) = type[4]; //! Header pin size
function hdr_pin_colour(type) = type[5]; //! Header pin colour
function hdr_base_colour(type) = type[6]; //! Header insulator colour
function hdr_socket_depth(type) = type[7]; //! Socket depth for female housing
function hdr_box_size(type) = type[8]; //! Box header outside dimensions
function hdr_box_wall(type) = type[9]; //! Box header wall thickness
function hdr_y_offset(type) = type[10]; //! Y offset of pins from center of the box
function hdr_ra_box_offset(type)= type[11]; //! Offset between back of the box and the pins
function hdr_ra_height(type) = type[12]; //! Height of right angle connector
module pin(type, length = undef) { //! Draw a header pin
w = hdr_pin_width(type);
l = length == undef ? hdr_pin_length(type) : length;
chamfer = w / 2;
color(hdr_pin_colour(type))
translate_z(l / 2 - hdr_pin_below(type))
hull() {
cube([w, w, l - 2 * chamfer], center = true);
cube([w - chamfer, w - chamfer, l], center = true);
}
}
module pin_header(type, cols = 1, rows = 1, smt = false, right_angle = false, cutout = false, colour) { //! Draw pin header
pitch = hdr_pitch(type);
base_colour = colour ? colour : hdr_base_colour(type);
h = pitch;
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ra_offset = 2.4;
width = pitch * rows;
module cutout()
dogbone_rectangle([cols * pitch + 2 * panel_clearance, rows * pitch + 2 * panel_clearance, 100], center = false);
if(cutout) {
if(right_angle)
translate_z(width / 2)
rotate([-90, 0, 180])
cutout();
else
cutout();
}
else {
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vitamin(str("pin_header(", type[0], ", ", cols, ", ", rows,
arg(smt, false, "smt"), arg(right_angle, false, "right_angle"), "): Pin header ", cols, " x ", rows, right_angle ? " right_angle" : ""));
translate_z(smt ? 3.5 - h : 0) {
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for(x = [0 : cols - 1], y = [0 : rows - 1]) {
// Vertical part of the pin
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2)])
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if(right_angle)
pin(type, hdr_pin_below(type) + (y + 0.5) * pitch);
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else
pin(type);
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if(right_angle) {
w = hdr_pin_width(type);
// Horizontal part of the pin
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rotate([-90, 0, 180])
translate([pitch * (x - (cols - 1) / 2), -pitch * (y - (rows - 1) / 2) - width / 2, hdr_pin_below(type) - (y - (rows - 1) / 2) * pitch])
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pin(type, hdr_pin_length(type) - hdr_pin_below(type) + ra_offset + pitch / 2 + (y - 0.5) * pitch);
// corner
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translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2) - w / 2, pitch * (y - (rows - 1) / 2) + width / 2 - w / 2])
rotate([0, -90, 0])
color(hdr_pin_colour(type))
rotate_extrude(angle = 90, $fn = 32)
translate([0, -w / 2])
square(w);
}
}
// Insulator
translate([0, right_angle ? -ra_offset - (rows - 1) * pitch / 2 : 0, right_angle ? width / 2 : 0])
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rotate([right_angle ? 90 : 0, 0, 0])
color(base_colour)
linear_extrude(h)
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for(x = [0 : cols - 1], y = [0 : rows - 1])
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2), pitch / 2])
hull() {
chamfer = pitch / 4;
square([pitch + eps, pitch - chamfer], center = true);
square([pitch - chamfer, pitch + eps], center = true);
}
}
}
}
module box_header(type, cols = 1, rows = 1, smt = false, cutout = false) { //! Draw box header
pitch = hdr_pitch(type);
size = hdr_box_size(type);
w = cols * pitch + 7.62;
l = rows * pitch + 3.52;
h = size.z;
t = hdr_box_wall(type);
base = h - 6.4;
if(cutout)
dogbone_rectangle([cols * pitch + 2 * panel_clearance, rows * pitch + 2 * panel_clearance, 100], center = false);
else {
vitamin(str("box_header(", type[0], ", ", cols, ", ", rows, arg(smt, false, "smt"), "): Box header ", cols, " x ", rows));
translate_z(smt ? 3.5 - h : 0) {
for(x = [0 : cols - 1], y = [0 : rows - 1])
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2), 0])
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pin(type, hdr_pin_length(type) - pitch + base);
color(hdr_base_colour(type)) {
linear_extrude(base)
square([w, l], center = true);
linear_extrude(h)
difference() {
square([w, l], center = true);
square([w - t, l - t], center = true);
translate([0, -l / 2])
square([4.5, 4.5], center = true);
}
}
}
}
}
module idc_transition(type, cols = 5, skip = [], cutout = false) { //! Draw IDC transition header
rows = 2;
pitch = hdr_pitch(type);
height = 7.4;
width = 6;
length = cols * pitch + 5.08;
if(cutout)
;
else {
vitamin(str("idc_transition(", type[0], ", ", cols, "): IDC transition header ", cols, " x ", rows));
color(hdr_base_colour(type))
rotate([90, 0, 0])
linear_extrude(width, center = true, convexity = cols * rows)
difference() {
translate([0, height / 2])
square([length, height], center = true);
for(i = [0 : cols * rows - 1])
translate([pitch / 2 * (i - (cols * rows - 1) / 2), height / 2])
circle(d = pitch / 2 + eps);
slot = pitch / 3;
translate([0, height / 2 - pitch / 4 + slot / 2])
square([cols * pitch, slot], center = true);
}
for(x = [0 : cols - 1], y = [0 : rows -1])
if(!in(skip, x))
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2), 0])
pin(type, 5);
}
}
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module pin_socket(type, cols = 1, rows = 1, right_angle = false, height = 0, smt = false, cutout = false, colour) { //! Draw pin socket
pitch = hdr_pitch(type);
length = pitch * cols + 0.5;
width = pitch * rows - 0.08;
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depth = height ? height : hdr_socket_depth(type);
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base_colour = colour ? colour : hdr_base_colour(type);
ra_offset = 1.5;
if(cutout)
;
else {
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vitamin(str("pin_socket(", type[0], ", ", cols, ", ", rows, arg(right_angle, false, "right_angle"), arg(height, 0, "height"), arg(smt, false, "smt"),
"): Pin socket ", cols, " x ", rows, right_angle ? " right_angle" : ""));
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color(base_colour)
translate([0, right_angle ? -ra_offset - (rows - 1) * pitch / 2 : 0, right_angle ? width / 2 : 0])
rotate([right_angle ? 90 : 0, 0, 0])
translate_z(depth / 2)
linear_extrude(depth, center = true)
difference() {
square([length, width], center = true);
for(x = [0 : cols - 1], y = [0 : rows -1])
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2)])
square(hdr_pin_width(type), center = true);
}
color(hdr_pin_colour(type))
for(x = [0 : cols - 1], y = [0 : rows -1]) {
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if(!smt)
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2), 0])
pin(type, hdr_pin_below(type) + (y + 0.5) * pitch);
if(right_angle) {
rotate([-90, 0, 180])
translate([pitch * (x - (cols - 1) / 2), -pitch * (y - (rows - 1) / 2) - width / 2, hdr_pin_below(type) - (y - (rows - 1) / 2) * pitch])
pin(type, hdr_pin_below(type) + (y - 0.5) * pitch);
w = hdr_pin_width(type);
translate([pitch * (x - (cols - 1) / 2), pitch * (y - (rows - 1) / 2) - w / 2, pitch * (y - (rows - 1) / 2) + width / 2 - w / 2])
rotate([0, -90, 0])
rotate_extrude(angle = 90, $fn = 32)
translate([0, -w / 2])
square(w);
}
}
}
}
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module jst_xh_header(type, pin_count, right_angle = false, colour = false, pin_colour = false) { //! Draw JST XH connector
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colour = colour ? colour : hdr_base_colour(type);
pin_colour = pin_colour ? pin_colour : hdr_pin_colour(type);
pitch = hdr_pitch(type);
size = hdr_box_size(type) + [(pin_count - 1) * pitch, 0, 0];
pinOffsetX = hdr_box_size(type).x / 2; // Offset from last pin to box edge
wallThickness = hdr_box_wall(type);
y_offset = hdr_y_offset(type);
ra_box_offset = hdr_ra_box_offset(type);
ra_h = hdr_ra_height(type);
ra_z = ra_h - size.y / 2;
ra_extra = ra_h - size.y; // thicker base for right angle version
pinWidth = hdr_pin_width(type);
module jst_xh_socket(type, pin_count, ra = false) {
module wall() {
difference() {
square([size.x, size.y], center = true);
offset(-wallThickness)
square([size.x, size.y], center = true);
}
if(right_angle)
translate([0, size.y / 2 + ra_extra / 2])
square([size.x, ra_extra], center = true);
}
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module slots() {
cutoutWidth = 1.3;
cutoutOffset = pinOffsetX + cutoutWidth / 2 - hdr_pin_width(type) / 2;
for(side = [-1, 1])
translate([side * (size.x / 2 - cutoutOffset), -size.y / 2 + wallThickness / 2])
square([cutoutWidth, 2 * wallThickness], center = true);
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}
linear_extrude(wallThickness)
square([size.x, size.y], center = true); // the base
linear_extrude(size.z / 2) // full walls up to the slots
wall();
linear_extrude(size.z) // slotted walls to the top
difference() {
wall();
if(type[0] == "jst_xh_header") {
if(pin_count > 2)
slots();
else
hull()
slots();
translate([0, -size.y / 2 + 3 * wallThickness / 2])
square([size.x + 1, wallThickness], center = true);
}
if(type[0] == "jst_ph_header") {
translate([0, -size.y / 2 + wallThickness / 2])
square([max((pin_count - 2) * pitch, 1), 2 * wallThickness], center = true);
translate([0, -y_offset / 2 - pinWidth / 4])
square([size.x + 1, y_offset + pinWidth / 2], center = true);
}
}
} // end module
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color(colour)
if(right_angle)
translate([0, -ra_box_offset, ra_z])
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rotate([-90, 0, 180])
jst_xh_socket(type, pin_count, true);
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else
translate([0, y_offset])
jst_xh_socket(type, pin_count);
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color(pin_colour)
for(x = [0 : pin_count - 1]) {
verticalPinLength = right_angle ? hdr_pin_below(type) + ra_z + y_offset : hdr_pin_length(type);
horizontalPinLength = hdr_pin_length(type) - hdr_pin_below(type) + ra_box_offset;
translate([pitch * (x - (pin_count - 1) / 2), 0]) {
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pin(type, verticalPinLength);
if(right_angle) {
translate([0, -pinWidth / 2, ra_z - pinWidth / 2 + y_offset])
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rotate([0, -90, 0])
rotate_extrude(angle = 90, $fn = 32)
translate([0, -pinWidth / 2])
square(pinWidth);
translate([0, -hdr_pin_below(type), ra_z + y_offset])
rotate([90, 0, 0])
pin(type, horizontalPinLength);
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}
}
}
}