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drl2gp: drilling and circle milling work, various fixes (more to come)
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@ -11,10 +11,9 @@
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*/
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/*
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* KiCad drill files are in the Excellon format. The format is described
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* here:
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* KiCad drill files are in the Excellon format. The format is described here:
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*
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* http://web.archive.org/web/20071030075236/http://www.excellon.com/manuals/program.htm
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* http://www.excellon.com/manuals/program.htm
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*
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* Note that drl2gp currently only implements the subset necessary to process
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* the KiCad drill files encountered in a few projects, may not work correctly
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@ -26,18 +25,21 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <math.h>
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#include <assert.h>
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#define MAX_ARGS 3
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#define MAX_TOOL 10
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#define MAX_STEP 0.01 /* max arc step, in mm */
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static double tool_d[MAX_TOOL+1];
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static FILE *out = NULL;
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static int lineno = 1;
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static int mill;
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static int mill = 0;
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static double depth, d0, d1;
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@ -59,6 +61,7 @@ static void header(void)
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} state = ts_nl;
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int c, tool;
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double f = 1;
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double tmp;
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while ((c = getchar()) != EOF) {
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if (out) {
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@ -104,10 +107,13 @@ static void header(void)
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break;
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case ts_tc:
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if (isdigit(c)) {
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tmp = c-'0';
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tmp = IN2MM(tmp);
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if (f == 1)
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tool_d[tool] = tool_d[tool]*10+c-'0';
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tool_d[tool] =
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tool_d[tool]*10+tmp;
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else {
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tool_d[tool] += f*(c-'0');
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tool_d[tool] += f*tmp;
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f /= 10;
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}
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} else if (c == '.') {
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@ -139,12 +145,22 @@ static void slot(double xa, double ya, double xb, double yb, double d)
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static void circle(double cx, double cy, double d)
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{
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double cr = d/2;
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double tr = d0/2;
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double s = acos(1-MAX_STEP*MAX_STEP/(cr*cr)/2);
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double a;
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assert(mill);
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for (a = 0; a < 2*M_PI; a += s)
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printf("%f %f %f\n",
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cx+(cr-tr)*cos(a), cy+(cr-tr)*sin(a), -depth);
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printf("%f %f %f\n\n", cx+(cr-tr), cy, -depth);
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}
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static void drill(double x, double y)
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{
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printf("%f %f %f\n\n", x, y, -depth);
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}
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@ -153,7 +169,7 @@ static void do_cmd(char cmd, double v, int nl)
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static int active = 0;
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static int metric = 1;
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static int slotting = 0;
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double x = 0, y = 0, x0 = 0, d = 0;
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static double x = 0, y = 0, x0 = 0, d = 0;
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int n = v;
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switch (cmd) {
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@ -202,10 +218,12 @@ static void do_cmd(char cmd, double v, int nl)
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exit(1);
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}
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d = tool_d[n];
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fprintf(stderr, "T%d -> %f\n", n, d);
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if (mill)
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active = d <= d0;
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active = d >= d0;
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else
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active = d >= d0 && d <= d1;
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fprintf(stderr, "%g %g %g -> %d\n", d, d0, d1, active);
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break;
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case 'X':
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x = metric ? v : IN2MM(v);
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@ -215,6 +233,8 @@ static void do_cmd(char cmd, double v, int nl)
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slotting = 0;
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break;
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}
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if (!metric)
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v = IN2MM(v);
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if (slotting) {
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slot(x0, y, x, v, d);
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slotting = 0;
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@ -228,7 +248,7 @@ static void do_cmd(char cmd, double v, int nl)
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drill(x, v);
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break;
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}
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y = metric ? v : IN2MM(v);
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y = v;
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break;
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default:
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fprintf(stderr, "unrecognized command \"%c\" at line %d\n",
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@ -344,10 +364,10 @@ int main(int argc, char **argv)
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switch (n_arg) {
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case 2:
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d1 = d0;
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mill = 0;
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mill = 1;
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break;
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case 3:
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mill = 1;
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mill = 0;
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break;
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default:
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usage(*argv);
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