kopia lustrzana https://github.com/gnea/grbl
247 wiersze
9.5 KiB
C
247 wiersze
9.5 KiB
C
/*
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settings.c - eeprom configuration handling
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Part of Grbl
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Copyright (c) 2011-2014 Sungeun K. Jeon
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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 "system.h"
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#include "settings.h"
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#include "eeprom.h"
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#include "protocol.h"
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#include "report.h"
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#include "limits.h"
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settings_t settings;
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// Method to store startup lines into EEPROM
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void settings_store_startup_line(uint8_t n, char *line)
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{
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uint16_t addr = n*(LINE_BUFFER_SIZE+1)+EEPROM_ADDR_STARTUP_BLOCK;
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memcpy_to_eeprom_with_checksum(addr,(char*)line, LINE_BUFFER_SIZE);
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}
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// Method to store build info into EEPROM
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void settings_store_build_info(char *line)
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{
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memcpy_to_eeprom_with_checksum(EEPROM_ADDR_BUILD_INFO,(char*)line, LINE_BUFFER_SIZE);
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}
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// Method to store coord data parameters into EEPROM
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void settings_write_coord_data(uint8_t coord_select, float *coord_data)
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{
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uint16_t addr = coord_select*(sizeof(float)*N_AXIS+1) + EEPROM_ADDR_PARAMETERS;
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memcpy_to_eeprom_with_checksum(addr,(char*)coord_data, sizeof(float)*N_AXIS);
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}
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// Method to store Grbl global settings struct and version number into EEPROM
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void write_global_settings()
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{
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eeprom_put_char(0, SETTINGS_VERSION);
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memcpy_to_eeprom_with_checksum(EEPROM_ADDR_GLOBAL, (char*)&settings, sizeof(settings_t));
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}
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// Method to reset Grbl global settings back to defaults.
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void settings_reset() {
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settings.steps_per_mm[X_AXIS] = DEFAULT_X_STEPS_PER_MM;
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settings.steps_per_mm[Y_AXIS] = DEFAULT_Y_STEPS_PER_MM;
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settings.steps_per_mm[Z_AXIS] = DEFAULT_Z_STEPS_PER_MM;
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settings.pulse_microseconds = DEFAULT_STEP_PULSE_MICROSECONDS;
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settings.max_rate[X_AXIS] = DEFAULT_X_MAX_RATE;
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settings.max_rate[Y_AXIS] = DEFAULT_Y_MAX_RATE;
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settings.max_rate[Z_AXIS] = DEFAULT_Z_MAX_RATE;
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settings.acceleration[X_AXIS] = DEFAULT_X_ACCELERATION;
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settings.acceleration[Y_AXIS] = DEFAULT_Y_ACCELERATION;
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settings.acceleration[Z_AXIS] = DEFAULT_Z_ACCELERATION;
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settings.arc_tolerance = DEFAULT_ARC_TOLERANCE;
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settings.step_invert_mask = DEFAULT_STEPPING_INVERT_MASK;
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settings.dir_invert_mask = DEFAULT_DIRECTION_INVERT_MASK;
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settings.junction_deviation = DEFAULT_JUNCTION_DEVIATION;
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settings.flags = 0;
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if (DEFAULT_REPORT_INCHES) { settings.flags |= BITFLAG_REPORT_INCHES; }
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if (DEFAULT_AUTO_START) { settings.flags |= BITFLAG_AUTO_START; }
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if (DEFAULT_INVERT_ST_ENABLE) { settings.flags |= BITFLAG_INVERT_ST_ENABLE; }
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if (DEFAULT_INVERT_LIMIT_PINS) { settings.flags |= BITFLAG_INVERT_LIMIT_PINS; }
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if (DEFAULT_SOFT_LIMIT_ENABLE) { settings.flags |= BITFLAG_SOFT_LIMIT_ENABLE; }
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if (DEFAULT_HARD_LIMIT_ENABLE) { settings.flags |= BITFLAG_HARD_LIMIT_ENABLE; }
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if (DEFAULT_HOMING_ENABLE) { settings.flags |= BITFLAG_HOMING_ENABLE; }
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settings.homing_dir_mask = DEFAULT_HOMING_DIR_MASK;
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settings.homing_feed_rate = DEFAULT_HOMING_FEED_RATE;
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settings.homing_seek_rate = DEFAULT_HOMING_SEEK_RATE;
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settings.homing_debounce_delay = DEFAULT_HOMING_DEBOUNCE_DELAY;
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settings.homing_pulloff = DEFAULT_HOMING_PULLOFF;
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settings.stepper_idle_lock_time = DEFAULT_STEPPER_IDLE_LOCK_TIME;
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settings.max_travel[X_AXIS] = (-DEFAULT_X_MAX_TRAVEL);
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settings.max_travel[Y_AXIS] = (-DEFAULT_Y_MAX_TRAVEL);
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settings.max_travel[Z_AXIS] = (-DEFAULT_Z_MAX_TRAVEL);
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write_global_settings();
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}
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// Reads startup line from EEPROM. Updated pointed line string data.
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uint8_t settings_read_startup_line(uint8_t n, char *line)
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{
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uint16_t addr = n*(LINE_BUFFER_SIZE+1)+EEPROM_ADDR_STARTUP_BLOCK;
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if (!(memcpy_from_eeprom_with_checksum((char*)line, addr, LINE_BUFFER_SIZE))) {
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// Reset line with default value
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line[0] = 0; // Empty line
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settings_store_startup_line(n, line);
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return(false);
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} else {
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return(true);
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}
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}
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// Reads startup line from EEPROM. Updated pointed line string data.
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uint8_t settings_read_build_info(char *line)
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{
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if (!(memcpy_from_eeprom_with_checksum((char*)line, EEPROM_ADDR_BUILD_INFO, LINE_BUFFER_SIZE))) {
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// Reset line with default value
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line[0] = 0; // Empty line
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settings_store_build_info(line);
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return(false);
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} else {
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return(true);
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}
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}
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// Read selected coordinate data from EEPROM. Updates pointed coord_data value.
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uint8_t settings_read_coord_data(uint8_t coord_select, float *coord_data)
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{
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uint16_t addr = coord_select*(sizeof(float)*N_AXIS+1) + EEPROM_ADDR_PARAMETERS;
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if (!(memcpy_from_eeprom_with_checksum((char*)coord_data, addr, sizeof(float)*N_AXIS))) {
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// Reset with default zero vector
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clear_vector_float(coord_data);
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settings_write_coord_data(coord_select,coord_data);
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return(false);
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} else {
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return(true);
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}
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}
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// Reads Grbl global settings struct from EEPROM.
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uint8_t read_global_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) {
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// Read settings-record and check checksum
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if (!(memcpy_from_eeprom_with_checksum((char*)&settings, EEPROM_ADDR_GLOBAL, sizeof(settings_t)))) {
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return(false);
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}
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} else {
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return(false);
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}
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return(true);
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}
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// A helper method to set settings from command line
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uint8_t settings_store_global_setting(int parameter, float value) {
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if (value < 0.0) { return(STATUS_NEGATIVE_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.max_rate[X_AXIS] = value; break;
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case 4: settings.max_rate[Y_AXIS] = value; break;
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case 5: settings.max_rate[Z_AXIS] = value; break;
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case 6: settings.acceleration[X_AXIS] = value*60*60; break; // Convert to mm/min^2 for grbl internal use.
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case 7: settings.acceleration[Y_AXIS] = value*60*60; break; // Convert to mm/min^2 for grbl internal use.
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case 8: settings.acceleration[Z_AXIS] = value*60*60; break; // Convert to mm/min^2 for grbl internal use.
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case 9: settings.max_travel[X_AXIS] = -value; break; // Store as negative for grbl internal use.
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case 10: settings.max_travel[Y_AXIS] = -value; break; // Store as negative for grbl internal use.
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case 11: settings.max_travel[Z_AXIS] = -value; break; // Store as negative for grbl internal use.
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case 12:
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if (value < 3) { return(STATUS_SETTING_STEP_PULSE_MIN); }
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settings.pulse_microseconds = round(value); break;
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case 13: settings.step_invert_mask = trunc(value); break;
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case 14: settings.dir_invert_mask = trunc(value); break;
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case 15: settings.stepper_idle_lock_time = round(value); break;
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case 16: settings.junction_deviation = fabs(value); break;
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case 17: settings.arc_tolerance = value; break;
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case 19:
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if (value) { settings.flags |= BITFLAG_REPORT_INCHES; }
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else { settings.flags &= ~BITFLAG_REPORT_INCHES; }
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break;
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case 20: // Reset to ensure change. Immediate re-init may cause problems.
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if (value) { settings.flags |= BITFLAG_AUTO_START; }
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else { settings.flags &= ~BITFLAG_AUTO_START; }
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break;
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case 21: // Reset to ensure change. Immediate re-init may cause problems.
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if (value) { settings.flags |= BITFLAG_INVERT_ST_ENABLE; }
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else { settings.flags &= ~BITFLAG_INVERT_ST_ENABLE; }
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break;
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case 22: // Reset to ensure change. Immediate re-init may cause problems.
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if (value) { settings.flags |= BITFLAG_INVERT_LIMIT_PINS; }
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else { settings.flags &= ~BITFLAG_INVERT_LIMIT_PINS; }
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break;
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case 23:
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if (value) {
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if (bit_isfalse(settings.flags, BITFLAG_HOMING_ENABLE)) { return(STATUS_SOFT_LIMIT_ERROR); }
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settings.flags |= BITFLAG_SOFT_LIMIT_ENABLE;
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} else { settings.flags &= ~BITFLAG_SOFT_LIMIT_ENABLE; }
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break;
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case 24:
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if (value) { settings.flags |= BITFLAG_HARD_LIMIT_ENABLE; }
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else { settings.flags &= ~BITFLAG_HARD_LIMIT_ENABLE; }
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limits_init(); // Re-init to immediately change. NOTE: Nice to have but could be problematic later.
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break;
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case 25:
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if (value) { settings.flags |= BITFLAG_HOMING_ENABLE; }
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else {
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settings.flags &= ~BITFLAG_HOMING_ENABLE;
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settings.flags &= ~BITFLAG_SOFT_LIMIT_ENABLE; // Force disable soft-limits.
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}
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break;
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case 26: settings.homing_dir_mask = trunc(value); break;
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case 27: settings.homing_feed_rate = value; break;
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case 28: settings.homing_seek_rate = value; break;
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case 29: settings.homing_debounce_delay = round(value); break;
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case 30: settings.homing_pulloff = value; break;
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default:
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return(STATUS_INVALID_STATEMENT);
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}
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write_global_settings();
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return(STATUS_OK);
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}
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// Initialize the config subsystem
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void settings_init() {
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if(!read_global_settings()) {
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report_status_message(STATUS_SETTING_READ_FAIL);
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settings_reset();
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report_grbl_settings();
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}
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// Read all parameter data into a dummy variable. If error, reset to zero, otherwise do nothing.
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float coord_data[N_AXIS];
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uint8_t i;
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for (i=0; i<=SETTING_INDEX_NCOORD; i++) {
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if (!settings_read_coord_data(i, coord_data)) {
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report_status_message(STATUS_SETTING_READ_FAIL);
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}
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}
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// NOTE: Startup lines are handled and called by main.c at the end of initialization.
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}
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