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GPX/gpx-main.c

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//
// gpx-main.c
//
// Created by WHPThomas <me(at)henri(dot)net> on 1/04/13.
//
// Copyright (c) 2013 WHPThomas, All rights reserved.
//
// gpx references ReplicatorG sources from /src/replicatorg/drivers
// which are part of the ReplicatorG project - http://www.replicat.org
// Copyright (c) 2008 Zach Smith
// and Makerbot4GSailfish.java Copyright (C) 2012 Jetty / Dan Newman
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <termios.h>
#include <unistd.h>
#ifdef _WIN32
# include "getopt.h"
#endif
#include "gpx.h"
// Global variables
static Gpx gpx;
static FILE *file_in = NULL;
static FILE *file_out = NULL;
static FILE *file_out2 = NULL;
static int sio_port = -1;
// cleanup code in case we encounter an error that causes the program to exit
static void exit_handler(void)
{
// close open files
if(file_in != stdin) {
fclose(file_in);
if(file_out != stdout) {
if(ferror(file_out)) {
perror("Error writing to output file");
}
fclose(file_out);
}
if(file_out2) {
fclose(file_out2);
}
}
if(sio_port > 2) {
close(sio_port);
}
}
// display usage and exit
static void usage()
{
fputs("GPX " GPX_VERSION " Copyright (c) 2013 WHPThomas, All rights reserved." EOL, stderr);
fputs(EOL "This program is free software; you can redistribute it and/or modify" EOL, stderr);
fputs("it under the terms of the GNU General Public License as published by" EOL, stderr);
fputs("the Free Software Foundation; either version 2 of the License, or" EOL, stderr);
fputs("(at your option) any later version." EOL, stderr);
fputs(EOL "This program is distributed in the hope that it will be useful," EOL, stderr);
fputs("but WITHOUT ANY WARRANTY; without even the implied warranty of" EOL, stderr);
fputs("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the" EOL, stderr);
fputs("GNU General Public License for more details." EOL, stderr);
fputs(EOL "Usage: gpx [-dgiprsvw] [-b B] [-c C] [-f F] [-m M] [-x X] [-y Y] [-z Z] IN [OUT]" EOL, stderr);
fputs(EOL "Options:" EOL, stderr);
fputs("\t-d\tsimulated ditto printing" EOL, stderr);
fputs("\t-g\tMakerbot/ReplicatorG GCODE flavor" EOL, stderr);
fputs("\t-i\tenable stdin and stdout support for command line pipes" EOL, stderr);
fputs("\t-p\toverride build percentage" EOL, stderr);
fputs("\t-r\tReprap GCODE flavor" EOL, stderr);
fputs("\t-s\tenable USB serial I/O and send x3G output to 3D printer" EOL, stderr);
fputs("\t-v\tverose mode" EOL, stderr);
fputs("\t-w\trewrite 5d extrusion values" EOL, stderr);
fputs(EOL "B is baudrate for serial I/O (default is 115200)" EOL, stderr);
fputs("C is the filename of a custom machine definition (ini)" EOL, stderr);
fputs("F is the actual filament diameter in the printer" EOL, stderr);
fputs(EOL "M is the predefined machine type:" EOL, stderr);
fputs("\tc3 = Cupcake Gen3 XYZ, Mk5/6 + Gen4 Extruder" EOL, stderr);
fputs("\tc4 = Cupcake Gen4 XYZ, Mk5/6 + Gen4 Extruder" EOL, stderr);
fputs("\tcp4 = Cupcake Pololu XYZ, Mk5/6 + Gen4 Extruder" EOL, stderr);
fputs("\tcpp = Cupcake Pololu XYZ, Mk5/6 + Pololu Extruder" EOL, stderr);
fputs("\tt6 = TOM Mk6 - single extruder" EOL, stderr);
fputs("\tt7 = TOM Mk7 - single extruder" EOL, stderr);
fputs("\tt7d = TOM Mk7 - dual extruder" EOL, stderr);
fputs("\tr1 = Replicator 1 - single extruder" EOL, stderr);
fputs("\tr1d = Replicator 1 - dual extruder" EOL, stderr);
fputs("\tr2 = Replicator 2 (default)" EOL, stderr);
fputs("\tr2h = Replicator 2 with HBP" EOL, stderr);
fputs("\tr2x = Replicator 2X" EOL, stderr);
fputs(EOL "X,Y & Z are the coordinate system offsets for the conversion:" EOL, stderr);
fputs("\tX = the x axis offset" EOL, stderr);
fputs("\tY = the y axis offset" EOL, stderr);
fputs("\tZ = the z axis offset" EOL, stderr);
fputs(EOL "IN is the name of the sliced gcode input filename" EOL, stderr);
fputs("OUT is the name of the x3g output filename or the serial I/O port" EOL, stderr);
fputs(EOL "Examples:" EOL, stderr);
fputs("\tgpx -p -m r2 my-sliced-model.gcode" EOL, stderr);
fputs("\tgpx -c custom-tom.ini example.gcode /volumes/things/example.x3g" EOL, stderr);
fputs("\tgpx -x 3 -y -3 offset-model.gcode" EOL, stderr);
fputs("\tgpx -m c4 -s sio-example.gcode /dev/tty.usbmodem" EOL EOL, stderr);
exit(1);
}
// GPX program entry point
int main(int argc, char * argv[])
{
int c, i, rval;
int standard_io = 0;
char *config = NULL;
double filament_diameter = 0;
char *buildname = "GPX " GPX_VERSION;
char *filename;
struct termios tp;
speed_t baud_rate = B115200;
// default to standard I/O
file_in = stdin;
file_out = stdout;
// register cleanup function
atexit(exit_handler);
gpx_initialize(&gpx, 1);
// READ GPX.INI
// if present, read the gpx.ini file from the program directory
{
char *appname = argv[0];
// check for .exe extension
char *dot = strrchr(appname, '.');
if(dot) {
long l = dot - appname;
memcpy(gpx.buffer.out, appname, l);
appname = gpx.buffer.out + l;
}
// or just append .ini if no extension is present
else {
size_t sl = strlen(appname);
memcpy(gpx.buffer.out, appname, sl);
appname = gpx.buffer.out + sl;
}
*appname++ = '.';
*appname++ = 'i';
*appname++ = 'n';
*appname++ = 'i';
*appname++ = '\0';
appname = gpx.buffer.out;
i = gpx_read_config(&gpx, appname);
if(i == 0) {
if(gpx.flag.verboseMode) fprintf(stderr, "Loaded config: %s" EOL, appname);
}
else if (i > 0) {
fprintf(stderr, "(line %u) Configuration syntax error in gpx.ini: unrecognised paremeters" EOL, i);
usage();
}
}
// READ COMMAND LINE
// get the command line options
while ((c = getopt(argc, argv, "b:c:dgf:im:prsvwx:y:z:?")) != -1) {
switch (c) {
case 'b':
i = atoi(optarg);
switch(i) {
case 4800:
baud_rate=B4800;
break;
case 9600:
baud_rate=B9600;
break;
#ifdef B14400
case 14400:
baud_rate=B14400;
break;
#endif
case 19200:
baud_rate=B19200;
break;
#ifdef B28800
case 28800:
baud_rate=B28800;
break;
#endif
case 38400:
baud_rate=B38400;
break;
case 57600:
baud_rate=B57600;
break;
case 115200:
baud_rate=B115200;
break;
default:
fprintf(stderr, "Command line error: unsupported baud rate '%s'" EOL, optarg);
usage();
}
if(gpx.flag.verboseMode) fprintf(stderr, "Setting baud rate to: %i bps" EOL, i);
break;
case 'c':
config = optarg;
break;
case 'd':
gpx.flag.dittoPrinting = 1;
break;
case 'g':
gpx.flag.reprapFlavor = 0;
break;
case 'f':
filament_diameter = strtod(optarg, NULL);
if(filament_diameter > 0.0001) {
gpx.override[0].actual_filament_diameter = filament_diameter;
gpx.override[1].actual_filament_diameter = filament_diameter;
}
break;
case 'i':
standard_io = 1;
break;
case 'm':
if(gpx_set_property(&gpx, "printer", "machine_type", optarg)) {
usage();
}
break;
case 'p':
gpx.flag.buildProgress = 1;
break;
case 'r':
gpx.flag.reprapFlavor = 1;
break;
case 's':
gpx.flag.serialIO = 1;
gpx.flag.framingEnabled = 1;
break;
case 'v':
gpx.flag.verboseMode = 1;
break;
case 'w':
gpx.flag.rewrite5D = 1;
break;
case 'x':
gpx.userOffset.x = strtod(optarg, NULL);
break;
case 'y':
gpx.userOffset.y = strtod(optarg, NULL);
break;
case 'z':
gpx.userOffset.z = strtod(optarg, NULL);
break;
case '?':
default:
usage();
}
}
// READ CONFIGURATION
if(config) {
if(gpx.flag.verboseMode) fprintf(stderr, "Reading custom config: %s" EOL, config);
i = gpx_read_config(&gpx, config);
if (i < 0) {
fprintf(stderr, "Command line error: cannot load configuration file '%s'" EOL, config);
usage();
}
else if (i > 0) {
fprintf(stderr, "(line %u) Configuration syntax error in %s: unrecognised paremeters" EOL, i, config);
usage();
}
}
if(baud_rate == B57600 && gpx.machine.type >= MACHINE_TYPE_REPLICATOR_1) {
if(gpx.flag.verboseMode) fputs("WARNING: a 57600 bps baud rate will cause problems with Repicator 2/2X Mightyboards" EOL, stderr);
}
argc -= optind;
argv += optind;
// OPEN FILES AND PORTS FOR INPUT AND OUTPUT
// open the input filename if one is provided
if(argc > 0) {
filename = argv[0];
if(gpx.flag.verboseMode) fprintf(stderr, "Reading from: %s" EOL, filename);
if((file_in = fopen(filename, "rw")) == NULL) {
perror("Error opening input");
exit(1);
}
// assign build name
buildname = strrchr(filename, PATH_DELIM);
if(buildname) {
buildname++;
}
else {
buildname = filename;
}
argc--;
argv++;
// use the output filename if one is provided
if(argc > 0) {
filename = argv[0];
}
else {
if(gpx.flag.serialIO) {
fputs("Command line error: port required for serial I/O" EOL, stderr);
usage();
}
// or use the input filename with a .x3g extension
char *dot = strrchr(filename, '.');
if(dot) {
long l = dot - filename;
memcpy(gpx.buffer.out, filename, l);
filename = gpx.buffer.out + l;
}
// or just append one if no .gcode extension is present
else {
size_t sl = strlen(filename);
memcpy(gpx.buffer.out, filename, sl);
filename = gpx.buffer.out + sl;
}
*filename++ = '.';
*filename++ = 'x';
*filename++ = '3';
*filename++ = 'g';
*filename++ = '\0';
filename = gpx.buffer.out;
}
if(gpx.flag.serialIO) {
// open and configure the serial port
if((sio_port = open(filename, O_RDWR | O_NOCTTY | O_NONBLOCK)) < 0) {
perror("Error opening port");
exit(-1);
}
if(fcntl(sio_port, F_SETFL, O_RDWR) < 0) {
perror("Setting port descriptor flags");
exit(-1);
}
if(tcgetattr(sio_port, &tp) < 0) {
perror("Error getting port attributes");
exit(-1);
}
cfmakeraw(&tp);
/*
// 8N1
tp.c_cflag &= ~PARENB;
tp.c_cflag &= ~CSTOPB;
tp.c_cflag &= ~CSIZE;
tp.c_cflag |= CS8;
// no flow control
tp.c_cflag &= ~CRTSCTS;
// disable hang-up-on-close to avoid reset
//tp.c_cflag &= ~HUPCL;
// turn on READ & ignore ctrl lines
tp.c_cflag |= CREAD | CLOCAL;
// turn off s/w flow ctrl
tp.c_cflag &= ~(IXON | IXOFF | IXANY);
// make raw
tp.c_cflag &= ~(ICANON | ECHO | ECHOE | ISIG);
tp.c_cflag &= ~OPOST;
// see: http://unixwiz.net/techtips/termios-vmin-vtime.html
tp.c_cc[VMIN] = 0;
tp.c_cc[VTIME] = 0;
*/
cfsetspeed(&tp, baud_rate);
// cfsetispeed(&tp, baud_rate);
// cfsetospeed(&tp, baud_rate);
if(tcsetattr(sio_port, TCSANOW, &tp) < 0) {
perror("Error setting port attributes");
exit(-1);
}
sleep(2);
if(tcflush(sio_port, TCIOFLUSH) < 0) {
perror("Error flushing port");
exit(-1);
}
if(gpx.flag.verboseMode) fprintf(stderr, "Communicating via: %s" EOL, filename);
}
else {
if((file_out = fopen(filename, "wb")) == NULL) {
perror("Error creating output");
exit(-1);
}
if(gpx.flag.verboseMode) fprintf(stderr, "Writing to: %s" EOL, filename);
// write a second copy to the SD Card
if(gpx.sdCardPath) {
long sl = strlen(gpx.sdCardPath);
if(gpx.sdCardPath[sl - 1] == PATH_DELIM) {
gpx.sdCardPath[--sl] = 0;
}
char *delim = strrchr(filename, PATH_DELIM);
if(delim) {
memcpy(gpx.buffer.out, gpx.sdCardPath, sl);
long l = strlen(delim);
memcpy(gpx.buffer.out + sl, delim, l);
gpx.buffer.out[sl + l] = 0;
}
else {
memcpy(gpx.buffer.out, gpx.sdCardPath, sl);
gpx.buffer.out[sl++] = PATH_DELIM;
long l = strlen(filename);
memcpy(gpx.buffer.out + sl, filename, l);
gpx.buffer.out[sl + l] = 0;
}
file_out2 = fopen(gpx.buffer.out, "wb");
if(file_out2 && gpx.flag.verboseMode) fprintf(stderr, "Writing to: %s" EOL, gpx.buffer.out);
}
}
}
else if(!standard_io) {
fputs("Command line error: provide an input file or enable standard I/O" EOL, stderr);
usage();
}
// at this point we have read the command line, set the machine definition
// and both the input and output files or ports are open, so its time to parse
// the gcode input and convert it to x3g output.
// READ INPUT AND CONVERT TO OUTPUT
gpx_start_build(&gpx, buildname);
if(gpx.flag.serialIO) {
rval = gpx_send_file(&gpx, file_in, sio_port);
}
else {
rval = gpx_convert_file(&gpx, file_in, file_out, file_out2);
}
gpx_end_build(&gpx);
exit(rval);
}
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