✨ Laser Safety Timeout (#24189)
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John Robertson
Scott Lahteine
parent
07cd248b91
commit
9a74bcd4cf
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@ -3544,6 +3544,16 @@
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#define LASER_TEST_PULSE_MIN 1 // Used with Laser Control Menu
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#define LASER_TEST_PULSE_MAX 999 // Caution: Menu may not show more than 3 characters
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/**
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* Laser Safety Timeout
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*
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* The laser should be turned off when there is no movement for a period of time.
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* Consider material flammability, cut rate, and G-code order when setting this
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* value. Too low and it could turn off during a very slow move; too high and
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* the material could ignite.
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*/
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#define LASER_SAFETY_TIMEOUT_MS 1000 // (ms)
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/**
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* Enable inline laser power to be handled in the planner / stepper routines.
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* Inline power is specified by the I (inline) flag in an M3 command (e.g., M3 S20 I)
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@ -423,16 +423,16 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
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kill();
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}
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const bool has_blocks = planner.has_blocks_queued(); // Any moves in the planner?
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if (has_blocks) gcode.reset_stepper_timeout(ms); // Reset timeout for M18/M84, M85 max 'kill', and laser.
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// M18 / M84 : Handle steppers inactive time timeout
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#if HAS_DISABLE_INACTIVE_AXIS
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if (gcode.stepper_inactive_time) {
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static bool already_shutdown_steppers; // = false
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// Any moves in the planner? Resets both the M18/M84
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// activity timeout and the M85 max 'kill' timeout
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if (planner.has_blocks_queued())
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gcode.reset_stepper_timeout(ms);
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else if (!do_reset_timeout && gcode.stepper_inactive_timeout()) {
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if (!has_blocks && !do_reset_timeout && gcode.stepper_inactive_timeout()) {
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if (!already_shutdown_steppers) {
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already_shutdown_steppers = true; // L6470 SPI will consume 99% of free time without this
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@ -451,6 +451,7 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
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else
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already_shutdown_steppers = false;
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}
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#endif
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#if ENABLED(PHOTO_GCODE) && PIN_EXISTS(CHDK)
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// Check if CHDK should be set to LOW (after M240 set it HIGH)
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@ -39,7 +39,8 @@
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#endif
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SpindleLaser cutter;
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uint8_t SpindleLaser::power;
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uint8_t SpindleLaser::power,
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SpindleLaser::last_power_applied; // = 0 // Basic power state tracking
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#if ENABLED(LASER_FEATURE)
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cutter_test_pulse_t SpindleLaser::testPulse = 50; // Test fire Pulse time ms value.
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#endif
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@ -113,7 +114,6 @@ void SpindleLaser::init() {
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* @param opwr Power value. Range 0 to MAX. When 0 disable spindle/laser.
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*/
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void SpindleLaser::apply_power(const uint8_t opwr) {
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static uint8_t last_power_applied = 0;
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if (opwr == last_power_applied) return;
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last_power_applied = opwr;
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power = opwr;
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@ -91,7 +91,8 @@ public:
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#endif
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static bool isReady; // Ready to apply power setting from the UI to OCR
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static uint8_t power;
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static uint8_t power,
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last_power_applied; // Basic power state tracking
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#if ENABLED(MARLIN_DEV_MODE)
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static cutter_frequency_t frequency; // Set PWM frequency; range: 2K-50K
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@ -213,7 +213,16 @@ void try_to_disable(const stepper_flags_t to_disable) {
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void GcodeSuite::M18_M84() {
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if (parser.seenval('S')) {
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reset_stepper_timeout();
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stepper_inactive_time = parser.value_millis_from_seconds();
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#if HAS_DISABLE_INACTIVE_AXIS
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const millis_t ms = parser.value_millis_from_seconds();
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#if LASER_SAFETY_TIMEOUT_MS > 0
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if (ms && ms <= LASER_SAFETY_TIMEOUT_MS) {
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SERIAL_ECHO_MSG("M18 timeout must be > ", MS_TO_SEC(LASER_SAFETY_TIMEOUT_MS + 999), " s for laser safety.");
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return;
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}
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#endif
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stepper_inactive_time = ms;
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#endif
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}
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else {
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if (parser.seen_axis()) {
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@ -66,6 +66,10 @@
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* PWM duty cycle goes from 0 (off) to 255 (always on).
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*/
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void GcodeSuite::M3_M4(const bool is_M4) {
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#if LASER_SAFETY_TIMEOUT_MS > 0
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reset_stepper_timeout(); // Reset timeout to allow subsequent G-code to power the laser (imm.)
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#endif
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#if EITHER(SPINDLE_LASER_USE_PWM, SPINDLE_SERVO)
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auto get_s_power = [] {
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if (parser.seenval('S')) {
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@ -29,7 +29,14 @@ void GcodeSuite::M85() {
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if (parser.seen('S')) {
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reset_stepper_timeout();
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max_inactive_time = parser.value_millis_from_seconds();
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const millis_t ms = parser.value_millis_from_seconds();
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#if LASER_SAFETY_TIMEOUT_MS > 0
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if (ms && ms <= LASER_SAFETY_TIMEOUT_MS) {
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SERIAL_ECHO_MSG("M85 timeout must be > ", MS_TO_SEC(LASER_SAFETY_TIMEOUT_MS + 999), " s for laser safety.");
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return;
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}
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#endif
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max_inactive_time = ms;
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}
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}
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@ -73,8 +73,11 @@ GcodeSuite gcode;
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// Inactivity shutdown
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millis_t GcodeSuite::previous_move_ms = 0,
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GcodeSuite::max_inactive_time = 0,
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GcodeSuite::stepper_inactive_time = SEC_TO_MS(DEFAULT_STEPPER_DEACTIVE_TIME);
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GcodeSuite::max_inactive_time = 0;
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#if HAS_DISABLE_INACTIVE_AXIS
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millis_t GcodeSuite::stepper_inactive_time = SEC_TO_MS(DEFAULT_STEPPER_DEACTIVE_TIME);
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#endif
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// Relative motion mode for each logical axis
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static constexpr xyze_bool_t ar_init = AXIS_RELATIVE_MODES;
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@ -395,14 +395,20 @@ public:
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static bool select_coordinate_system(const int8_t _new);
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#endif
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static millis_t previous_move_ms, max_inactive_time, stepper_inactive_time;
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FORCE_INLINE static void reset_stepper_timeout(const millis_t ms=millis()) { previous_move_ms = ms; }
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static millis_t previous_move_ms, max_inactive_time;
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FORCE_INLINE static bool stepper_max_timed_out(const millis_t ms=millis()) {
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return max_inactive_time && ELAPSED(ms, previous_move_ms + max_inactive_time);
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}
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FORCE_INLINE static void reset_stepper_timeout(const millis_t ms=millis()) { previous_move_ms = ms; }
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#if HAS_DISABLE_INACTIVE_AXIS
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static millis_t stepper_inactive_time;
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FORCE_INLINE static bool stepper_inactive_timeout(const millis_t ms=millis()) {
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return ELAPSED(ms, previous_move_ms + stepper_inactive_time);
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}
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#else
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static bool stepper_inactive_timeout(const millis_t) { return false; }
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#endif
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static void report_echo_start(const bool forReplay);
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static void report_heading(const bool forReplay, FSTR_P const fstr, const bool eol=true);
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@ -1042,3 +1042,7 @@
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#undef CONFIGURATION_EMBEDDING
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#define CANNOT_EMBED_CONFIGURATION defined(__AVR__)
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#endif
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#if ANY(DISABLE_INACTIVE_X, DISABLE_INACTIVE_Y, DISABLE_INACTIVE_Z, DISABLE_INACTIVE_I, DISABLE_INACTIVE_J, DISABLE_INACTIVE_K, DISABLE_INACTIVE_U, DISABLE_INACTIVE_V, DISABLE_INACTIVE_W, DISABLE_INACTIVE_E)
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#define HAS_DISABLE_INACTIVE_AXIS 1
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#endif
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@ -3680,6 +3680,7 @@ static_assert(_PLUS_TEST(4), "HOMING_FEEDRATE_MM_M values must be positive.");
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#error "Enabled an inline laser feature without inline laser power being enabled."
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#endif
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#endif
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#define _PIN_CONFLICT(P) (PIN_EXISTS(P) && P##_PIN == SPINDLE_LASER_PWM_PIN)
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#if BOTH(SPINDLE_FEATURE, LASER_FEATURE)
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#error "Enable only one of SPINDLE_FEATURE or LASER_FEATURE."
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@ -3747,6 +3748,11 @@ static_assert(_PLUS_TEST(4), "HOMING_FEEDRATE_MM_M values must be positive.");
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#endif
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#endif
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#undef _PIN_CONFLICT
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#ifdef LASER_SAFETY_TIMEOUT_MS
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static_assert(LASER_SAFETY_TIMEOUT_MS < (DEFAULT_STEPPER_DEACTIVE_TIME) * 1000UL, "LASER_SAFETY_TIMEOUT_MS must be less than DEFAULT_STEPPER_DEACTIVE_TIME (" STRINGIFY(DEFAULT_STEPPER_DEACTIVE_TIME) " seconds)");
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#endif
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#endif
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#if ENABLED(COOLANT_MIST) && !PIN_EXISTS(COOLANT_MIST)
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@ -71,6 +71,10 @@
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#include "../libs/nozzle.h"
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#endif
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#if LASER_SAFETY_TIMEOUT_MS > 0
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#include "../feature/spindle_laser.h"
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#endif
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// MAX TC related macros
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#define TEMP_SENSOR_IS_MAX(n, M) (ENABLED(TEMP_SENSOR_##n##_IS_MAX##M) || (ENABLED(TEMP_SENSOR_REDUNDANT_IS_MAX##M) && REDUNDANT_TEMP_MATCH(SOURCE, E##n)))
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#define TEMP_SENSOR_IS_ANY_MAX_TC(n) (ENABLED(TEMP_SENSOR_##n##_IS_MAX_TC) || (ENABLED(TEMP_SENSOR_REDUNDANT_IS_MAX_TC) && REDUNDANT_TEMP_MATCH(SOURCE, E##n)))
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@ -3325,6 +3329,7 @@ public:
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/**
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* Handle various ~1kHz tasks associated with temperature
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* - Check laser safety timeout
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* - Heater PWM (~1kHz with scaler)
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* - LCD Button polling (~500Hz)
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* - Start / Read one ADC sensor
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@ -3334,6 +3339,14 @@ public:
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*/
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void Temperature::isr() {
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// Shut down the laser if steppers are inactive for > LASER_SAFETY_TIMEOUT_MS ms
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#if LASER_SAFETY_TIMEOUT_MS > 0
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if (cutter.last_power_applied && ELAPSED(millis(), gcode.previous_move_ms + (LASER_SAFETY_TIMEOUT_MS))) {
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cutter.power = 0; // Prevent planner idle from re-enabling power
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cutter.apply_power(0);
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}
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#endif
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static int8_t temp_count = -1;
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static ADCSensorState adc_sensor_state = StartupDelay;
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static uint8_t pwm_count = _BV(SOFT_PWM_SCALE);
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@ -26,7 +26,7 @@ opt_set MOTHERBOARD BOARD_BTT_SKR_PRO_V1_1 SERIAL_PORT -1 \
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CUTTER_POWER_UNIT PERCENT \
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SPINDLE_LASER_PWM_PIN HEATER_1_PIN SPINDLE_LASER_ENA_PIN HEATER_2_PIN \
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TEMP_SENSOR_COOLER 1000 TEMP_COOLER_PIN PD13
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opt_enable LASER_FEATURE REPRAP_DISCOUNT_SMART_CONTROLLER
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opt_enable LASER_FEATURE LASER_SAFETY_TIMEOUT_MS REPRAP_DISCOUNT_SMART_CONTROLLER
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exec_test $1 $2 "BigTreeTech SKR Pro | Laser (Percent) | Cooling | LCD" "$3"
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# clean up
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@ -179,8 +179,8 @@ opt_set MOTHERBOARD BOARD_RAMPS_14_EFB EXTRUDERS 0 LCD_LANGUAGE en TEMP_SENSOR_C
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DEFAULT_MAX_ACCELERATION '{ 3000, 3000, 100 }' \
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MANUAL_FEEDRATE '{ 50*60, 50*60, 4*60 }' \
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AXIS_RELATIVE_MODES '{ false, false, false }'
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opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT EEPROM_SETTINGS EEPROM_BOOT_SILENT EEPROM_AUTO_INIT \
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LASER_FEATURE AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN LASER_COOLANT_FLOW_METER MEATPACK_ON_SERIAL_PORT_1
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opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT EEPROM_SETTINGS EEPROM_BOOT_SILENT EEPROM_AUTO_INIT MEATPACK_ON_SERIAL_PORT_1 \
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LASER_FEATURE LASER_SAFETY_TIMEOUT_MS LASER_COOLANT_FLOW_METER AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN
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exec_test $1 $2 "MEGA2560 RAMPS | Laser Feature | Air Evacuation | Air Assist | Cooler | Flowmeter | 12864 LCD | meatpack | SERIAL_PORT_2 " "$3"
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#
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@ -193,8 +193,8 @@ opt_set MOTHERBOARD BOARD_RAMPS_14_EFB EXTRUDERS 0 LCD_LANGUAGE en TEMP_SENSOR_C
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DEFAULT_MAX_ACCELERATION '{ 3000, 3000, 100 }' \
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MANUAL_FEEDRATE '{ 50*60, 50*60, 4*60 }' \
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AXIS_RELATIVE_MODES '{ false, false, false }'
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opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT EEPROM_SETTINGS EEPROM_BOOT_SILENT EEPROM_AUTO_INIT PRINTCOUNTER \
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LASER_FEATURE AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN LASER_COOLANT_FLOW_METER I2C_AMMETER
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opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT EEPROM_SETTINGS EEPROM_BOOT_SILENT EEPROM_AUTO_INIT PRINTCOUNTER I2C_AMMETER \
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LASER_FEATURE LASER_SAFETY_TIMEOUT_MS LASER_COOLANT_FLOW_METER AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN
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exec_test $1 $2 "MEGA2560 RAMPS | Laser Feature | Air Evacuation | Air Assist | Cooler | Flowmeter | 44780 LCD " "$3"
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#
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