kopia lustrzana https://github.com/gnea/grbl
341 wiersze
13 KiB
C
341 wiersze
13 KiB
C
/*
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settings.c - eeprom configuration handling
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Part of Grbl
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Copyright (c) 2011-2016 Sungeun K. Jeon for Gnea Research LLC
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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 "grbl.h"
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settings_t settings;
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const __flash settings_t defaults = {\
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.pulse_microseconds = DEFAULT_STEP_PULSE_MICROSECONDS,
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.stepper_idle_lock_time = DEFAULT_STEPPER_IDLE_LOCK_TIME,
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.step_invert_mask = DEFAULT_STEPPING_INVERT_MASK,
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.dir_invert_mask = DEFAULT_DIRECTION_INVERT_MASK,
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.status_report_mask = DEFAULT_STATUS_REPORT_MASK,
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.junction_deviation = DEFAULT_JUNCTION_DEVIATION,
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.arc_tolerance = DEFAULT_ARC_TOLERANCE,
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.rpm_max = DEFAULT_SPINDLE_RPM_MAX,
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.rpm_min = DEFAULT_SPINDLE_RPM_MIN,
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.homing_dir_mask = DEFAULT_HOMING_DIR_MASK,
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.homing_feed_rate = DEFAULT_HOMING_FEED_RATE,
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.homing_seek_rate = DEFAULT_HOMING_SEEK_RATE,
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.homing_debounce_delay = DEFAULT_HOMING_DEBOUNCE_DELAY,
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.homing_pulloff = DEFAULT_HOMING_PULLOFF,
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.flags = (DEFAULT_REPORT_INCHES << BIT_REPORT_INCHES) | \
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(DEFAULT_LASER_MODE << BIT_LASER_MODE) | \
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(DEFAULT_INVERT_ST_ENABLE << BIT_INVERT_ST_ENABLE) | \
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(DEFAULT_HARD_LIMIT_ENABLE << BIT_HARD_LIMIT_ENABLE) | \
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(DEFAULT_HOMING_ENABLE << BIT_HOMING_ENABLE) | \
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(DEFAULT_SOFT_LIMIT_ENABLE << BIT_SOFT_LIMIT_ENABLE) | \
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(DEFAULT_INVERT_LIMIT_PINS << BIT_INVERT_LIMIT_PINS) | \
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(DEFAULT_INVERT_PROBE_PIN << BIT_INVERT_PROBE_PIN),
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.steps_per_mm[X_AXIS] = DEFAULT_X_STEPS_PER_MM,
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.steps_per_mm[Y_AXIS] = DEFAULT_Y_STEPS_PER_MM,
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.steps_per_mm[Z_AXIS] = DEFAULT_Z_STEPS_PER_MM,
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.max_rate[X_AXIS] = DEFAULT_X_MAX_RATE,
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.max_rate[Y_AXIS] = DEFAULT_Y_MAX_RATE,
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.max_rate[Z_AXIS] = DEFAULT_Z_MAX_RATE,
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.acceleration[X_AXIS] = DEFAULT_X_ACCELERATION,
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.acceleration[Y_AXIS] = DEFAULT_Y_ACCELERATION,
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.acceleration[Z_AXIS] = DEFAULT_Z_ACCELERATION,
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.max_travel[X_AXIS] = (-DEFAULT_X_MAX_TRAVEL),
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.max_travel[Y_AXIS] = (-DEFAULT_Y_MAX_TRAVEL),
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.max_travel[Z_AXIS] = (-DEFAULT_Z_MAX_TRAVEL)};
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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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#ifdef FORCE_BUFFER_SYNC_DURING_EEPROM_WRITE
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protocol_buffer_synchronize(); // A startup line may contain a motion and be executing.
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#endif
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uint32_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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// NOTE: This function can only be called in IDLE state.
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void settings_store_build_info(char *line)
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{
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// Build info can only be stored when state is IDLE.
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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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#ifdef FORCE_BUFFER_SYNC_DURING_EEPROM_WRITE
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protocol_buffer_synchronize();
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#endif
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uint32_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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// NOTE: This function can only be called in IDLE state.
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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 restore EEPROM-saved Grbl global settings back to defaults.
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void settings_restore(uint8_t restore_flag) {
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if (restore_flag & SETTINGS_RESTORE_DEFAULTS) {
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settings = defaults;
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write_global_settings();
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}
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if (restore_flag & SETTINGS_RESTORE_PARAMETERS) {
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uint8_t idx;
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float coord_data[N_AXIS];
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memset(&coord_data, 0, sizeof(coord_data));
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for (idx=0; idx <= SETTING_INDEX_NCOORD; idx++) { settings_write_coord_data(idx, coord_data); }
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}
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if (restore_flag & SETTINGS_RESTORE_STARTUP_LINES) {
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#if N_STARTUP_LINE > 0
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eeprom_put_char(EEPROM_ADDR_STARTUP_BLOCK, 0);
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eeprom_put_char(EEPROM_ADDR_STARTUP_BLOCK+1, 0); // Checksum
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#endif
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#if N_STARTUP_LINE > 1
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eeprom_put_char(EEPROM_ADDR_STARTUP_BLOCK+(LINE_BUFFER_SIZE+1), 0);
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eeprom_put_char(EEPROM_ADDR_STARTUP_BLOCK+(LINE_BUFFER_SIZE+2), 0); // Checksum
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#endif
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}
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if (restore_flag & SETTINGS_RESTORE_BUILD_INFO) {
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eeprom_put_char(EEPROM_ADDR_BUILD_INFO , 0);
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eeprom_put_char(EEPROM_ADDR_BUILD_INFO+1 , 0); // Checksum
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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_startup_line(uint8_t n, char *line)
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{
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uint32_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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}
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return(true);
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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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}
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return(true);
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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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uint32_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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}
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return(true);
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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(uint8_t parameter, float value) {
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if (value < 0.0) { return(STATUS_NEGATIVE_VALUE); }
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if (parameter >= AXIS_SETTINGS_START_VAL) {
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// Store axis configuration. Axis numbering sequence set by AXIS_SETTING defines.
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// NOTE: Ensure the setting index corresponds to the report.c settings printout.
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parameter -= AXIS_SETTINGS_START_VAL;
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uint8_t set_idx = 0;
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while (set_idx < AXIS_N_SETTINGS) {
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if (parameter < N_AXIS) {
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// Valid axis setting found.
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switch (set_idx) {
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case 0:
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#ifdef MAX_STEP_RATE_HZ
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if (value*settings.max_rate[parameter] > (MAX_STEP_RATE_HZ*60.0)) { return(STATUS_MAX_STEP_RATE_EXCEEDED); }
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#endif
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settings.steps_per_mm[parameter] = value;
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break;
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case 1:
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#ifdef MAX_STEP_RATE_HZ
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if (value*settings.steps_per_mm[parameter] > (MAX_STEP_RATE_HZ*60.0)) { return(STATUS_MAX_STEP_RATE_EXCEEDED); }
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#endif
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settings.max_rate[parameter] = value;
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break;
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case 2: settings.acceleration[parameter] = value*60*60; break; // Convert to mm/min^2 for grbl internal use.
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case 3: settings.max_travel[parameter] = -value; break; // Store as negative for grbl internal use.
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}
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break; // Exit while-loop after setting has been configured and proceed to the EEPROM write call.
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} else {
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set_idx++;
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// If axis index greater than N_AXIS or setting index greater than number of axis settings, error out.
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if ((parameter < AXIS_SETTINGS_INCREMENT) || (set_idx == AXIS_N_SETTINGS)) { return(STATUS_INVALID_STATEMENT); }
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parameter -= AXIS_SETTINGS_INCREMENT;
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}
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}
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} else {
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// Store non-axis Grbl settings
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uint8_t int_value = trunc(value);
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switch(parameter) {
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case 0:
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if (int_value < 3) { return(STATUS_SETTING_STEP_PULSE_MIN); }
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settings.pulse_microseconds = int_value; break;
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case 1: settings.stepper_idle_lock_time = int_value; break;
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case 2:
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settings.step_invert_mask = int_value;
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st_generate_step_dir_invert_masks(); // Regenerate step and direction port invert masks.
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break;
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case 3:
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settings.dir_invert_mask = int_value;
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st_generate_step_dir_invert_masks(); // Regenerate step and direction port invert masks.
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break;
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case 4: // Reset to ensure change. Immediate re-init may cause problems.
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if (int_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 5: // Reset to ensure change. Immediate re-init may cause problems.
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if (int_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 6: // Reset to ensure change. Immediate re-init may cause problems.
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if (int_value) { settings.flags |= BITFLAG_INVERT_PROBE_PIN; }
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else { settings.flags &= ~BITFLAG_INVERT_PROBE_PIN; }
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probe_configure_invert_mask(false);
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break;
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case 10: settings.status_report_mask = int_value; break;
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case 11: settings.junction_deviation = value; break;
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case 12: settings.arc_tolerance = value; break;
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case 13:
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if (int_value) { settings.flags |= BITFLAG_REPORT_INCHES; }
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else { settings.flags &= ~BITFLAG_REPORT_INCHES; }
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system_flag_wco_change(); // Make sure WCO is immediately updated.
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break;
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case 20:
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if (int_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 21:
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if (int_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 22:
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if (int_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 23: settings.homing_dir_mask = int_value; break;
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case 24: settings.homing_feed_rate = value; break;
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case 25: settings.homing_seek_rate = value; break;
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case 26: settings.homing_debounce_delay = int_value; break;
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case 27: settings.homing_pulloff = value; break;
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case 30: settings.rpm_max = value; spindle_init(); break; // Re-initialize spindle rpm calibration
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case 31: settings.rpm_min = value; spindle_init(); break; // Re-initialize spindle rpm calibration
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case 32:
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#ifdef VARIABLE_SPINDLE
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if (int_value) { settings.flags |= BITFLAG_LASER_MODE; }
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else { settings.flags &= ~BITFLAG_LASER_MODE; }
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#else
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return(STATUS_SETTING_DISABLED_LASER);
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#endif
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break;
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default:
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return(STATUS_INVALID_STATEMENT);
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}
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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_restore(SETTINGS_RESTORE_ALL); // Force restore all EEPROM data.
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report_grbl_settings();
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}
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}
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// Returns step pin mask according to Grbl internal axis indexing.
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uint8_t get_step_pin_mask(uint8_t axis_idx)
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{
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if ( axis_idx == X_AXIS ) { return((1<<X_STEP_BIT)); }
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if ( axis_idx == Y_AXIS ) { return((1<<Y_STEP_BIT)); }
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return((1<<Z_STEP_BIT));
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}
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// Returns direction pin mask according to Grbl internal axis indexing.
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uint8_t get_direction_pin_mask(uint8_t axis_idx)
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{
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if ( axis_idx == X_AXIS ) { return((1<<X_DIRECTION_BIT)); }
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if ( axis_idx == Y_AXIS ) { return((1<<Y_DIRECTION_BIT)); }
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return((1<<Z_DIRECTION_BIT));
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}
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// Returns limit pin mask according to Grbl internal axis indexing.
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uint8_t get_limit_pin_mask(uint8_t axis_idx)
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{
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if ( axis_idx == X_AXIS ) { return((1<<X_LIMIT_BIT)); }
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if ( axis_idx == Y_AXIS ) { return((1<<Y_LIMIT_BIT)); }
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return((1<<Z_LIMIT_BIT));
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}
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