NopSCADlib/vitamins/panel_meter.scad

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//
// NopSCADlib Copyright Chris Palmer 2020
// 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/>.
//
//
//! Panel mounted digital meter modules
//!
//! Notes on the DSN_VC288:
//!
//! * The tabs aren't modelled because they can be fully retracted if the PCB is removed.
//! * The current connector isn't moddelled as it is awkwardly tall. I remove it and solder wires instead.
//
include <../utils/core/core.scad>
use <../utils/dogbones.scad>
use <../utils/rounded_cylinder.scad>
use <pcb.scad>
function pmeter_size(type) = type[2]; //! Body size including bezel height
function pmeter_bezel(type) = type[3]; //! Bezel size
function pmeter_bezel_r(type) = type[4]; //! Bezel radius
function pmeter_bevel(type) = type[5]; //! Bezel bevel inset and start height or a radius
function pmeter_aperture(type) = type[6]; //! Aperture length, width and bevel
function pmeter_tab(type) = type[7]; //! Tab size
function pmeter_tab_z(type) = type[8]; //! Tab vertical position
function pmeter_thickness(type) = type[9]; //! Wall thickness if not closed
function pmeter_inner_ap(type) = type[10]; //! Inner aperture
function pmeter_inner_ap_o(type) = type[11]; //! Inner aperture offset
function pmeter_pcb(type) = type[12]; //! Optional PCB for open types
function pmeter_pcb_z(type) = type[13]; //! Distance of PCB from the back
function pmeter_pcb_h(type) = type[14]; //! Component height from the front
function pmeter_buttons(type) = type[15]; //! List of buttons
function pmeter_button_pos(type) = type[0]; //! Button position
function pmeter_button_size(type) = type[1]; //! Button size
function pmeter_button_r(type) = type[2]; //! Button radius
function pmeter_button_colour(type) = type[3]; //! Button colour
function pmeter_depth(type) = pmeter_size(type).z - pmeter_bezel(type).z; //! Depth below bezel
module panel_meter_button(type) { //! Draw panel meter button
size = pmeter_button_size(type);
r = pmeter_button_r(type);
color(pmeter_button_colour(type))
translate(pmeter_button_pos(type))
if(size.x)
rounded_rectangle(pmeter_button_size(type), r);
else
cylinder(r = r, h = size.z);
}
module panel_meter(type) { //! Draw panel mounted LCD meter module
vitamin(str("panel_meter(", type[0], "): ", type[1]));
size = pmeter_size(type);
bezel = pmeter_bezel(type);
bevel = pmeter_bevel(type);
t = pmeter_thickness(type);
r = pmeter_bezel_r(type);
h = size.z - bezel.z;
ap = pmeter_aperture(type);
tab = pmeter_tab(type);
tab_z = pmeter_tab_z(type);
pcb = pmeter_pcb(type);
ap2 = pmeter_inner_ap(type);
buttons = pmeter_buttons(type);
color("#94A7AB")
cube([ap.x, ap.y, 3 * eps], center = true);
module corner(x, y)
translate([x * (bezel.x / 2 - bevel), y * (bezel.y / 2 - bevel)])
rounded_cylinder(r = r, r2 = bevel, h = bezel.z);
color(grey(30)) union() {
//
// Bezel and aperture
//
difference() {
if(is_list(bevel))
hull() {
rounded_rectangle([bezel.x - 2 * bevel.x, bezel.y - 2 * bevel.x, bezel.z], r - bevel.x);
rounded_rectangle([bezel.x, bezel.y, bevel[1]], r);
}
else
hull() {
corner(-1, -1);
corner(-1, 1);
corner( 1, -1);
corner( 1, 1);
}
hull() {
r = max(0, -ap.z);
if(ap.z > 0)
translate_z(bezel.z + eps)
cube([ap.x + ap.z, ap.y + ap.z, eps], center = true);
translate_z(bezel.z + eps)
rounded_rectangle([ap.x, ap.y, bezel.z * 2], r, true);
}
}
//
// Body
//
translate_z(-h)
linear_extrude(h)
difference() {
square([size.x, size.y], center = true);
if(t)
square([size.x - 2 * t, size.y - 2 * t], center = true);
}
//
// tabs
//
if(tab)
for(end = [-1, 1])
translate([end * (size.x / 2 + tab.x / 2), 0, -size.z + tab_z])
rotate([0, end * 10, 0])
translate_z(tab.z / 2)
cube([tab.x, tab.y, tab.z], center = true);
}
if(ap2)
color("grey")
linear_extrude(ap2.z)
difference() {
square([ap.x, ap.y], center = true);
translate(pmeter_inner_ap_o(type))
square([ap2.x, ap2.y], center = true);
}
if(pcb) {
vflip()
translate_z(h - pcb_thickness(pcb) - pmeter_pcb_z(type))
pcb(pcb);
pcb_h = pmeter_pcb_h(type) - bezel.z;
if(pcb_h > 0)
%translate_z(-pcb_h / 2 - eps)
cube([size.x - 2 * t - eps, size.y - 2 * t - eps, pcb_h], center = true);
}
if(buttons)
for(b = buttons)
panel_meter_button(b);
}
module panel_meter_cutout(type, h = 0) { //! Make panel cutout
size = pmeter_size(type);
tab = pmeter_tab(type);
extrude_if(h)
offset(0.2) {
dogbone_square([size.x, size.y]);
if(tab)
rounded_square([size.x + 2 * tab.x, tab.y + 2 * cnc_bit_r], r = cnc_bit_r, center = true);
}
}