103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
/*
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config.c - eeprom and compile time configuration handling
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Part of Grbl
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Copyright (c) 2009-2011 Simen Svale Skogsrud
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Grbl is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Grbl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/io.h>
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#include <math.h>
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#include "nuts_bolts.h"
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#include "config.h"
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#include "eeprom.h"
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#include "wiring_serial.h"
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#include <avr/pgmspace.h>
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void reset_settings() {
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settings.steps_per_mm[0] = X_STEPS_PER_MM;
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settings.steps_per_mm[1] = Y_STEPS_PER_MM;
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settings.steps_per_mm[2] = Z_STEPS_PER_MM;
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settings.pulse_microseconds = STEP_PULSE_MICROSECONDS;
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settings.default_feed_rate = DEFAULT_FEEDRATE;
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settings.default_seek_rate = RAPID_FEEDRATE;
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settings.acceleration = DEFAULT_ACCELERATION;
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settings.mm_per_arc_segment = MM_PER_ARC_SEGMENT;
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settings.invert_mask = STEPPING_INVERT_MASK;
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}
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void dump_settings() {
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printPgmString(PSTR("$0 = ")); printFloat(settings.steps_per_mm[0]);
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printPgmString(PSTR(" (steps/mm x)\r\n$1 = ")); printFloat(settings.steps_per_mm[1]);
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printPgmString(PSTR(" (steps/mm y)\r\n$2 = ")); printFloat(settings.steps_per_mm[2]);
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printPgmString(PSTR(" (steps/mm z)\r\n$3 = ")); printInteger(settings.pulse_microseconds);
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printPgmString(PSTR(" (microseconds step pulse)\r\n$4 = ")); printFloat(settings.default_feed_rate);
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printPgmString(PSTR(" (mm/min default feed rate)\r\n$5 = ")); printFloat(settings.default_seek_rate);
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printPgmString(PSTR(" (mm/min default seek rate)\r\n$6 = ")); printFloat(settings.mm_per_arc_segment);
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printPgmString(PSTR(" (mm/min^2 max acceleration)\r\n$7 = ")); printFloat(settings.acceleration);
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printPgmString(PSTR(" (mm/arc segment)\r\n$8 = ")); printInteger(settings.invert_mask);
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printPgmString(PSTR(" (step port invert mask. binary = ")); printIntegerInBase(settings.invert_mask, 2);
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printPgmString(PSTR(")\r\n$9 = ")); printFloat(settings.acceleration);
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printPgmString(PSTR(" (acceleration in mm/min^2)"));
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printPgmString(PSTR("\r\n'$x=value' to set parameter or just '$' to dump current settings\r\n"));
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}
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int read_settings() {
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// Check version-byte of eeprom
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uint8_t version = eeprom_get_char(0);
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if (version != SETTINGS_VERSION) { return(FALSE); }
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// Read settings-record and check checksum
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if (!(memcpy_from_eeprom_with_checksum((char*)&settings, 1, sizeof(struct Settings)))) {
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return(FALSE);
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}
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return(TRUE);
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}
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void write_settings() {
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eeprom_put_char(0, SETTINGS_VERSION);
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memcpy_to_eeprom_with_checksum(1, (char*)&settings, sizeof(struct Settings));
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}
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// A helper method to set settings from command line
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void store_setting(int parameter, double value) {
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switch(parameter) {
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case 0: case 1: case 2:
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settings.steps_per_mm[parameter] = value; break;
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case 3: settings.pulse_microseconds = round(value); break;
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case 4: settings.default_feed_rate = value; break;
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case 5: settings.default_seek_rate = value; break;
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case 6: settings.mm_per_arc_segment = value; break;
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case 7: settings.acceleration = value; break;
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case 8: settings.invert_mask = trunc(value); break;
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case 9: settings.acceleration = fabs(value); break;
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default:
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printPgmString(PSTR("Unknown parameter\r\n"));
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return;
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}
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write_settings();
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printPgmString(PSTR("Stored new setting\r\n"));
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}
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void config_init() {
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if(read_settings()) {
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printPgmString(PSTR("'$' to dump current settings\r\n"));
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} else {
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printPgmString(PSTR("Warning: Failed to read EEPROM settings. Using defaults.\r\n"));
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reset_settings();
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write_settings();
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dump_settings();
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}
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}
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