kopia lustrzana https://github.com/Schildkroet/GRBL-Advanced
661 wiersze
16 KiB
C
661 wiersze
16 KiB
C
/*
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System.c - Handles system level commands and real-time processes
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Part of Grbl-Advanced
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Copyright (c) 2014-2016 Sungeun K. Jeon for Gnea Research LLC
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Copyright (c) 2017 Patrick F.
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Grbl-Advanced 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-Advanced 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-Advanced. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "Config.h"
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#include "GCode.h"
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#include "GPIO.h"
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#include "MotionControl.h"
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#include "Protocol.h"
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#include "Report.h"
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#include "Settings.h"
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#include "Stepper.h"
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#include "System.h"
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#include "ToolChange.h"
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#include "System32.h"
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void System_Init(void)
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{
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GPIO_InitGPIO(GPIO_SYSTEM);
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}
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void System_Clear(void)
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{
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memset(&sys, 0, sizeof(System_t)); // Clear system struct variable.
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sys.f_override = DEFAULT_FEED_OVERRIDE; // Set to 100%
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sys.r_override = DEFAULT_RAPID_OVERRIDE; // Set to 100%
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sys.spindle_speed_ovr = DEFAULT_SPINDLE_SPEED_OVERRIDE; // Set to 100%
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}
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void System_ResetPosition(void)
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{
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// Clear machine position.
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memset(sys_position, 0 , sizeof(sys_position));
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}
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// Returns control pin state as a uint8 bitfield. Each bit indicates the input pin state, where
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// triggered is 1 and not triggered is 0. Invert mask is applied. Bitfield organization is
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// defined by the CONTROL_PIN_INDEX in the header file.
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uint8_t System_GetControlState(void)
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{
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uint8_t control_state = 0;
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uint8_t pin = ((GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)<<CONTROL_RESET_BIT) |
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(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1)<<CONTROL_FEED_HOLD_BIT) |
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(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_4)<<CONTROL_CYCLE_START_BIT) |
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(GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_8)<<CONTROL_SAFETY_DOOR_BIT));
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// Invert control pins if necessary
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//pin ^= CONTROL_MASK & settings.system_flags;
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pin ^= CONTROL_MASK;
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if(pin) {
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if(BIT_IS_FALSE(pin, (1<<CONTROL_RESET_BIT))) {
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control_state |= CONTROL_PIN_INDEX_RESET;
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}
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if(BIT_IS_FALSE(pin, (1<<CONTROL_FEED_HOLD_BIT))) {
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control_state |= CONTROL_PIN_INDEX_FEED_HOLD;
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}
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if(BIT_IS_FALSE(pin, (1<<CONTROL_CYCLE_START_BIT))) {
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control_state |= CONTROL_PIN_INDEX_CYCLE_START;
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}
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/*if(BIT_IS_FALSE(pin, (1<<CONTROL_SAFETY_DOOR_BIT))) {
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control_state |= CONTROL_PIN_INDEX_SAFETY_DOOR;
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}*/
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}
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return control_state;
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}
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// Pin change interrupt for pin-out commands, i.e. cycle start, feed hold, and reset. Sets
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// only the realtime command execute variable to have the main program execute these when
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// its ready. This works exactly like the character-based realtime commands when picked off
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// directly from the incoming serial data stream.
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void System_PinChangeISR(void)
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{
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uint8_t pin = System_GetControlState();
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if(pin) {
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if(BIT_IS_TRUE(pin, CONTROL_PIN_INDEX_RESET)) {
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MC_Reset();
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}
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else if(BIT_IS_TRUE(pin, CONTROL_PIN_INDEX_CYCLE_START)) {
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BIT_TRUE(sys_rt_exec_state, EXEC_CYCLE_START);
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}
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if(BIT_IS_TRUE(pin, CONTROL_PIN_INDEX_FEED_HOLD)) {
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BIT_TRUE(sys_rt_exec_state, EXEC_FEED_HOLD);
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}
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if(BIT_IS_TRUE(pin, CONTROL_PIN_INDEX_SAFETY_DOOR)) {
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BIT_TRUE(sys_rt_exec_state, EXEC_SAFETY_DOOR);
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}
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}
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}
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// Returns if safety door is ajar(T) or closed(F), based on pin state.
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uint8_t System_CheckSafetyDoorAjar(void)
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{
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return (System_GetControlState() & CONTROL_PIN_INDEX_SAFETY_DOOR);
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}
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// Executes user startup script, if stored.
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void System_ExecuteStartup(char *line)
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{
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#if (N_STARTUP_LINE > 0)
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uint8_t n;
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for(n = 0; n < N_STARTUP_LINE; n++) {
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if(!(Settings_ReadStartupLine(n, line))) {
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line[0] = 0;
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Report_ExecuteStartupMessage(line, STATUS_SETTING_READ_FAIL);
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}
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else {
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if(line[0] != 0) {
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uint8_t status_code = GC_ExecuteLine(line);
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Report_ExecuteStartupMessage(line,status_code);
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}
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}
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}
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#else
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(void)line;
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#endif
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}
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// Directs and executes one line of formatted input from protocol_process. While mostly
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// incoming streaming g-code blocks, this also executes Grbl internal commands, such as
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// settings, initiating the homing cycle, and toggling switch states. This differs from
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// the realtime command module by being susceptible to when Grbl is ready to execute the
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// next line during a cycle, so for switches like block delete, the switch only effects
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// the lines that are processed afterward, not necessarily real-time during a cycle,
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// since there are motions already stored in the buffer. However, this 'lag' should not
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// be an issue, since these commands are not typically used during a cycle.
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uint8_t System_ExecuteLine(char *line)
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{
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uint8_t char_counter = 1;
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uint8_t helper_var = 0; // Helper variable
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float parameter, value;
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switch(line[char_counter])
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{
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case 0:
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Report_GrblHelp();
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break;
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case 'J': // Jogging
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// Execute only if in IDLE or JOG states.
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if(sys.state != STATE_IDLE && sys.state != STATE_JOG) {
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return STATUS_IDLE_ERROR;
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}
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if(line[2] != '=') {
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return STATUS_INVALID_STATEMENT;
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}
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return GC_ExecuteLine(line); // NOTE: $J= is ignored inside g-code parser and used to detect jog motions.
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break;
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case '$':
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case 'G':
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case 'C':
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case 'X':
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if(line[2] != 0) {
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return(STATUS_INVALID_STATEMENT);
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}
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switch(line[1])
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{
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case '$': // Prints Grbl settings
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if(sys.state & (STATE_CYCLE | STATE_HOLD)) {
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return(STATUS_IDLE_ERROR);
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} // Block during cycle. Takes too long to print.
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else {
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Report_GrblSettings();
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}
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break;
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case 'G': // Prints gcode parser state
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// TODO: Move this to realtime commands for GUIs to request this data during suspend-state.
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Report_GCodeModes();
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break;
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case 'C': // Set check g-code mode [IDLE/CHECK]
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// Perform reset when toggling off. Check g-code mode should only work if Grbl
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// is idle and ready, regardless of alarm locks. This is mainly to keep things
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// simple and consistent.
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if(sys.state == STATE_CHECK_MODE ) {
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MC_Reset();
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Report_FeedbackMessage(MESSAGE_DISABLED);
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}
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else {
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if(sys.state) {
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// Requires no alarm mode.
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return STATUS_IDLE_ERROR;
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}
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sys.state = STATE_CHECK_MODE;
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Report_FeedbackMessage(MESSAGE_ENABLED);
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}
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break;
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case 'X': // Disable alarm lock [ALARM]
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if(sys.state == STATE_ALARM) {
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// Block if safety door is ajar.
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if(System_CheckSafetyDoorAjar()) {
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return(STATUS_CHECK_DOOR);
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}
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Report_FeedbackMessage(MESSAGE_ALARM_UNLOCK);
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sys.state = STATE_IDLE;
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// Don't run startup script. Prevents stored moves in startup from causing accidents.
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} // Otherwise, no effect.
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break;
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}
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break;
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case 'T':
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// Tool change finished. Continue execution
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System_ClearExecStateFlag(EXEC_TOOL_CHANGE);
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sys.state = STATE_IDLE;
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// Check if machine is homed and tls enabled
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if(settings.tool_change == 2)
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{
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if(sys.is_homed)
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{
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if(settings.tls_valid)
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{
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TC_ProbeTLS();
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}
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else
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{
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return STATUS_TLS_NOT_SET;
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}
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}
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else
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{
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return STATUS_MACHINE_NOT_HOMED;
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}
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}
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else
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{
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return STATUS_SETTING_DISABLED;
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}
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break;
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case 'P':
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if(sys.is_homed)
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{
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Settings_StoreTlsPosition();
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}
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else
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{
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return STATUS_MACHINE_NOT_HOMED;
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}
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break;
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default:
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// Block any system command that requires the state as IDLE/ALARM. (i.e. EEPROM, homing)
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if(!(sys.state == STATE_IDLE || sys.state == STATE_ALARM) ) {
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return(STATUS_IDLE_ERROR);
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}
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switch(line[1])
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{
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case '#': // Print Grbl NGC parameters
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if(line[2] != 0) {
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return STATUS_INVALID_STATEMENT;
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}
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else {
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Report_NgcParams();
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}
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break;
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case 'H': // Perform homing cycle [IDLE/ALARM]
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if(BIT_IS_FALSE(settings.flags, BITFLAG_HOMING_ENABLE)) {
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return(STATUS_SETTING_DISABLED);
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}
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if(System_CheckSafetyDoorAjar()) {
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// Block if safety door is ajar.
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return STATUS_CHECK_DOOR;
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}
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sys.state = STATE_HOMING; // Set system state variable
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if(line[2] == 0) {
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MC_HomigCycle(HOMING_CYCLE_ALL);
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#ifdef HOMING_SINGLE_AXIS_COMMANDS
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}
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else if(line[3] == 0) {
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switch(line[2])
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{
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case 'X':
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MC_HomigCycle(HOMING_CYCLE_X);
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break;
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case 'Y':
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MC_HomigCycle(HOMING_CYCLE_Y);
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break;
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case 'Z':
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MC_HomigCycle(HOMING_CYCLE_Z);
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break;
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case 'A':
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MC_HomigCycle(HOMING_CYCLE_A);
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break;
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case 'B':
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MC_HomigCycle(HOMING_CYCLE_B);
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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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#endif
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}
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else {
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return STATUS_INVALID_STATEMENT;
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}
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if(!sys.abort) { // Execute startup scripts after successful homing.
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sys.state = STATE_IDLE; // Set to IDLE when complete.
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Stepper_Disable(0); // Set steppers to the settings idle state before returning.
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if(line[2] == 0) {
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System_ExecuteStartup(line);
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}
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}
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break;
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case 'S': // Puts Grbl to sleep [IDLE/ALARM]
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if((line[2] != 'L') || (line[3] != 'P') || (line[4] != 0)) {
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return(STATUS_INVALID_STATEMENT);
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}
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System_SetExecStateFlag(EXEC_SLEEP); // Set to execute sleep mode immediately
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break;
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case 'I': // Print or store build info. [IDLE/ALARM]
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if(line[++char_counter] == 0 ) {
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Settings_ReadBuildInfo(line);
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Report_BuildInfo(line);
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#ifdef ENABLE_BUILD_INFO_WRITE_COMMAND
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}
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else { // Store startup line [IDLE/ALARM]
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if(line[char_counter++] != '=') {
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return STATUS_INVALID_STATEMENT;
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}
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helper_var = char_counter; // Set helper variable as counter to start of user info line.
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do {
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line[char_counter-helper_var] = line[char_counter];
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} while(line[char_counter++] != 0);
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Settings_StoreBuildInfo(line);
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#endif
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}
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break;
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case 'R': // Restore defaults [IDLE/ALARM]
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if((line[2] != 'S') || (line[3] != 'T') || (line[4] != '=') || (line[6] != 0)) {
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return(STATUS_INVALID_STATEMENT);
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}
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switch(line[5])
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{
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#ifdef ENABLE_RESTORE_EEPROM_DEFAULT_SETTINGS
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case '$':
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Settings_Restore(SETTINGS_RESTORE_DEFAULTS);
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break;
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#endif
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#ifdef ENABLE_RESTORE_EEPROM_CLEAR_PARAMETERS
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case '#':
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Settings_Restore(SETTINGS_RESTORE_PARAMETERS);
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break;
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#endif
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#ifdef ENABLE_RESTORE_EEPROM_WIPE_ALL
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case '*':
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Settings_Restore(SETTINGS_RESTORE_ALL);
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break;
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#endif
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default:
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return STATUS_INVALID_STATEMENT;
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}
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Report_FeedbackMessage(MESSAGE_RESTORE_DEFAULTS);
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MC_Reset(); // Force reset to ensure settings are initialized correctly.
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break;
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case 'N': // Startup lines. [IDLE/ALARM]
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#if (N_STARTUP_LINE > 0)
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if(line[++char_counter] == 0 ) { // Print startup lines
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for(helper_var = 0; helper_var < N_STARTUP_LINE; helper_var++) {
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if (!(Settings_ReadStartupLine(helper_var, line))) {
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Report_StatusMessage(STATUS_SETTING_READ_FAIL);
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}
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else {
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Report_StartupLine(helper_var,line);
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}
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}
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break;
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}
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else { // Store startup line [IDLE Only] Prevents motion during ALARM.
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if(sys.state != STATE_IDLE) {
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// Store only when idle.
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return STATUS_IDLE_ERROR;
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}
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helper_var = true; // Set helper_var to flag storing method.
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// No break. Continues into default: to read remaining command characters.
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}
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#endif
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default: // Storing setting methods [IDLE/ALARM]
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if(!Read_Float(line, &char_counter, ¶meter)) {
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return(STATUS_BAD_NUMBER_FORMAT);
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}
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if(line[char_counter++] != '=') {
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return(STATUS_INVALID_STATEMENT);
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}
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if(helper_var) { // Store startup line
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// Prepare sending gcode block to gcode parser by shifting all characters
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helper_var = char_counter; // Set helper variable as counter to start of gcode block
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do {
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line[char_counter-helper_var] = line[char_counter];
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} while(line[char_counter++] != 0);
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// Execute gcode block to ensure block is valid.
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helper_var = GC_ExecuteLine(line); // Set helper_var to returned status code.
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if(helper_var) {
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return(helper_var);
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}
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else {
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helper_var = trunc(parameter); // Set helper_var to int value of parameter
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Settings_StoreStartupLine(helper_var, line);
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}
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}
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else { // Store global setting.
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if(!Read_Float(line, &char_counter, &value)) {
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return STATUS_BAD_NUMBER_FORMAT;
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}
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if((line[char_counter] != 0) || (parameter > 255)) {
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return STATUS_INVALID_STATEMENT;
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}
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return Settings_StoreGlobalSetting((uint8_t)parameter, value);
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}
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}
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}
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return STATUS_OK; // If '$' command makes it to here, then everything's ok.
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}
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void System_FlagWcoChange(void)
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{
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#ifdef FORCE_BUFFER_SYNC_DURING_WCO_CHANGE
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Protocol_BufferSynchronize();
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#endif
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sys.report_wco_counter = 0;
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}
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// Returns machine position of axis 'idx'. Must be sent a 'step' array.
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// NOTE: If motor steps and machine position are not in the same coordinate frame, this function
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// serves as a central place to compute the transformation.
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float System_ConvertAxisSteps2Mpos(const int32_t *steps, const uint8_t idx)
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{
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float pos = 0.0;
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#ifdef COREXY
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if(idx == X_AXIS) {
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pos = (float)system_convert_corexy_to_x_axis_steps(steps) / settings.steps_per_mm[idx];
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}
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else if (idx == Y_AXIS) {
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pos = (float)system_convert_corexy_to_y_axis_steps(steps) / settings.steps_per_mm[idx];
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}
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else {
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pos = steps[idx]/settings.steps_per_mm[idx];
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}
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#else
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if(settings.steps_per_mm[idx] != 0)
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{
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pos = steps[idx] / settings.steps_per_mm[idx];
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}
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#endif
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return pos;
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}
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void System_ConvertArraySteps2Mpos(float *position, const int32_t *steps)
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{
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uint8_t idx;
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for(idx = 0; idx < N_AXIS; idx++) {
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position[idx] = System_ConvertAxisSteps2Mpos(steps, idx);
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}
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return;
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}
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// CoreXY calculation only. Returns x or y-axis "steps" based on CoreXY motor steps.
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#ifdef COREXY
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int32_t system_convert_corexy_to_x_axis_steps(int32_t *steps)
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|
{
|
|
return ((steps[A_MOTOR] + steps[B_MOTOR])/2);
|
|
}
|
|
|
|
int32_t system_convert_corexy_to_y_axis_steps(int32_t *steps)
|
|
{
|
|
return ((steps[A_MOTOR] - steps[B_MOTOR])/2);
|
|
}
|
|
#endif
|
|
|
|
|
|
// Checks and reports if target array exceeds machine travel limits.
|
|
uint8_t System_CheckTravelLimits(float *target)
|
|
{
|
|
uint8_t idx;
|
|
|
|
for(idx = 0; idx < N_AXIS; idx++) {
|
|
#ifdef HOMING_FORCE_SET_ORIGIN
|
|
// When homing forced set origin is enabled, soft limits checks need to account for directionality.
|
|
// NOTE: max_travel is stored as negative
|
|
if(BIT_IS_TRUE(settings.homing_dir_mask, BIT(idx))) {
|
|
if(target[idx] < 0 || target[idx] > -settings.max_travel[idx]) {
|
|
return true;
|
|
}
|
|
}
|
|
else {
|
|
if(target[idx] > 0 || target[idx] < settings.max_travel[idx]) {
|
|
return true;
|
|
}
|
|
}
|
|
#else
|
|
// NOTE: max_travel is stored as negative
|
|
if(target[idx] > 0 || target[idx] < settings.max_travel[idx]) {
|
|
return true;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
// Special handlers for setting and clearing Grbl's real-time execution flags.
|
|
void System_SetExecStateFlag(uint16_t mask)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_state |= (mask);
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_ClearExecStateFlag(uint16_t mask)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_state &= ~(mask);
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_SetExecAlarm(uint8_t code)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_alarm = code;
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_ClearExecAlarm(void)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_alarm = 0;
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_SetExecMotionOverrideFlag(uint8_t mask)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_motion_override |= (mask);
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_SetExecAccessoryOverrideFlag(uint8_t mask)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_accessory_override |= (mask);
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_ClearExecMotionOverride(void)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_motion_override = 0;
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|
|
|
|
|
|
void System_ClearExecAccessoryOverrides(void)
|
|
{
|
|
uint32_t primask = __get_PRIMASK();
|
|
__disable_irq();
|
|
|
|
sys_rt_exec_accessory_override = 0;
|
|
|
|
__set_PRIMASK(primask);
|
|
}
|