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# Parse Kicad schematic netlist into a LinuxCNC HAL configuration file
#
# Ed Nisley - KE4ZNU
# 2021-04

import argparse
from pathlib import Path
import sys

from lxml import etree

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "Kicad-to-HAL Demo Schematic"
Date "2021-03-23"
Rev ""
Comp "Ed Nisley - KE4ZNU"

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// Spirograph simulator
// Ed Nisley KE4ZNU - 2017-12-23
// Adapted for Guillioche plots with ball point pens - 2018-09-25
// 2019-06 Text on circular arcs
// 2019-08 Coordinate pruning
// 2019-09 Allow L > 1.0, proper scale to fit disk
// 2023-11 Strip down for SVG output, add layer colors for LightBurn

// Spirograph equations:
//  https://en.wikipedia.org/wiki/Spirograph

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// Tektronix Circuit Computer Reproduction
// Ed Nisley KE4ZNU - 2019-11

//-----
// Library routines

include("tracepath.inc.gcmc");
include("engrave.inc.gcmc");

TekOD = to_mm(7.75in);              // orginal Tek Circuit Computer diameter

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$0=10
$1=25
$2=0
$3=5
$4=0
$5=0
$6=0
$10=1
$11=0.010
$12=0.002

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// Test support frame for proto boards
// Ed Nisley KE4ZNU - Jan 2017
// June 2017 - Add side-mount bracket, inserts into bottom
// 2017-11 - Selectable board sizes, chassis mounting holes

/* [Options] */

PCBSelect = "ArdUno";    // ["20x80","40x60","30x70","50x70","70x90","80x120","ArdDuemil","ArdMega","ArdPro","ArdUno","ProtoneerCNC"]

Layout = "Frame";       // [Frame, Bracket]