This is the firmware for the LaOS - Laser Open Source project. You can use it to drive a laser cutter. For hardware and more information, look at our wiki: http://wiki.laoslaser.org
Dependencies: EthernetNetIf mbed
Diff: global.cpp
- Revision:
- 0:3852426a5068
diff -r 000000000000 -r 3852426a5068 global.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/global.cpp Fri Jun 08 09:26:40 2012 +0000 @@ -0,0 +1,151 @@ +/* + * global.cpp + * Read global configuration from file + * + * Copyright (c) 2011 Peter Brier + * + * This file is part of the LaOS project (see: http://wiki.protospace.nl/index.php/LaOS) + * + * LaOS 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. + * + * LaOS 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 LaOS. If not, see <http://www.gnu.org/licenses/>. + * + */ +#include "global.h" +#include "ConfigFile.h" + + + +/** +*** Return a IpAddress, from a string in the format: ppp.qqq.rrr.sss +**/ +void IpParse(char *a, int i[]) +{ + int n = 0, j; + char c[4]; + + i[0] = i[1] = i[2] = i[3] =0; + for (n=0; n<4; n++) { + while (*a && (*a < '0' || *a > '9')) + a++; + j = 0; + while (*a && *a >= '0' && *a <= '9') + { + if ( j<3 ) + c[j++] = *a; + a++; + } + c[j] = 0; + i[n] = atoi(c); + } +} + + +/** +*** Global config +*** Config settings into global Config struct +**/ +GlobalConfig::GlobalConfig(char *filename) +{ + char val[32]; + printf("\r\nOpen config file: '%s'\r\n", filename); + ConfigFile cfg(filename); + if ( !cfg.IsOpen() ) + { + printf("File does not exists. Using defaults\n"); + } + + // IP settings + cfg.Value("net.ip", val, sizeof(val), "192.168.0.111"); + IpParse(val, ip); + cfg.Value("net.mask", val, sizeof(val), "255.255.255.0"); + IpParse(val, nm); + cfg.Value("net.gateway", val, sizeof(val), "192.168.0.1"); + IpParse(val, gw); + cfg.Value("net.dns", val, sizeof(val), "192.168.0.1"); + IpParse(val, dns); + cfg.Value("net.port", &port, 69); + cfg.Value("net.dhcp", &dhcp, 0); + + // features + cfg.Value("sys.autohome", &autohome, 0); + cfg.Value("sys.autozhome", &autozhome, 0); + cfg.Value("sys.nodisplay", &nodisplay, 1); + cfg.Value("sys.i2cbaud", &i2cbaud, 9600); + cfg.Value("sys.cleandir", &cleandir, 1); + + // Laser + cfg.Value("laser.enable", &lenable, 1); // laser enable polarity [0/1] + cfg.Value("laser.on", &lon, 1); // laser on polarity [0/1] + cfg.Value("laser.pwm.min", &pwmmin, 0); // pwm at minimum power [0..100] + cfg.Value("laser.pwm.max", &pwmmax, 0); // pwm at maximum power [0..100] + cfg.Value("laser.pwm.freq", &pwmfreq, 20000); // pwm frequency [Hz] + + // rest position (after homing) + cfg.Value("x.rest", &xrest, 0); + cfg.Value("y.rest", &yrest, 0); + cfg.Value("z.rest", &zrest, 0); + cfg.Value("e.rest", &erest, 0); + // (homing) direction + cfg.Value("x.homedir", &xhomedir, 0); + cfg.Value("y.homedir", &yhomedir, 0); + cfg.Value("z.homedir", &zhomedir, 0); + cfg.Value("e.homedir", &ehomedir, 0); + + cfg.Value("x.invert", &xinv, 0); + cfg.Value("y.invert", &yinv, 0); + cfg.Value("z.invert", &zinv, 0); + cfg.Value("e.invert", &einv, 0); + + + // (homing)sensor polarity + cfg.Value("x.pol", &xpol, 0); + cfg.Value("y.pol", &ypol, 0); + cfg.Value("z.pol", &zpol, 0); + cfg.Value("e.pol", &epol, 0); + + // Scaling [steps/meter] + cfg.Value("x.scale", &xscale, 200000); + cfg.Value("y.scale", &yscale, 200000); + cfg.Value("z.scale", &zscale, 200000); + cfg.Value("e.scale", &escale, 200000); + + // max axis speed [mm/sec] + cfg.Value("x.speed", &xspeed, 100); + cfg.Value("y.speed", &yspeed, 100); + cfg.Value("z.speed", &zspeed, 100); + cfg.Value("e.speed", &espeed, 100); + + // home positions [um] + cfg.Value("x.home", &xhome, 0); + cfg.Value("y.home", &yhome, 0); + cfg.Value("z.home", &zhome, 100000); + cfg.Value("e.home", &ehome, 0); + + // min and max [um] + cfg.Value("x.max", &xmax, 1E6); + cfg.Value("y.max", &ymax, 1E6); + cfg.Value("z.max", &zmax, 200000); + cfg.Value("e.max", &emax, 1E6); + cfg.Value("x.min", &xmin, 0); + cfg.Value("y.min", &ymin, 0); + cfg.Value("z.min", &zmin, 0); + cfg.Value("e.min", &emin, 0); + + // motion settings: enable output state + cfg.Value("motion.homespeed", &homespeed, 10); // speed during homing [mm/sec] + cfg.Value("motion.speed", &speed, 100); // max speed [mm/sec] + cfg.Value("motion.accel", &accel, 100); // accelleration [mm/sec2] + cfg.Value("motion.enable", &enable, 0); // enable output polarity [0/1] + cfg.Value("motion.tolerance", &tolerance, 50); // cornering tolerance [1/1000 units] +} +