Laser Test Fire (#20452)

Marlin/Configuration_adv.h

     #define SPEED_POWER_MAX             100    // (%) 0-100
     #define SPEED_POWER_STARTUP          80    // (%) M3/M4 speed/power default (with no arguments)
 
+    // Define the minimum and maximum test pulse time values for a laser test fire function
+    #define LASER_TEST_PULSE_MIN           1   // Used with Laser Control Menu
+    #define LASER_TEST_PULSE_MAX         999   // Caution: Menu may not show more than 3 characters
+
     /**
      * Enable inline laser power to be handled in the planner / stepper routines.
      * Inline power is specified by the I (inline) flag in an M3 command (e.g., M3 S20 I)

Marlin/src/feature/spindle_laser.cpp

 
 SpindleLaser cutter;
 uint8_t SpindleLaser::power;
+#if ENABLED(LASER_FEATURE)
+  cutter_test_pulse_t SpindleLaser::testPulse = 50;                   // Test fire Pulse time ms value.
+#endif
 bool SpindleLaser::isReady;                                           // Ready to apply power setting from the UI to OCR
 cutter_power_t SpindleLaser::menuPower,                               // Power set via LCD menu in PWM, PERCENT, or RPM
                SpindleLaser::unitPower;                               // LCD status power in PWM, PERCENT, or RPM

Marlin/src/feature/spindle_laser.h

 
 #include "spindle_laser_types.h"
 
+#if USE_BEEPER
+  #include "../libs/buzzer.h"
+#endif
+
 #if ENABLED(LASER_POWER_INLINE)
   #include "../module/planner.h"
 #endif
   static const cutter_power_t mpower_min() { return cpwr_to_upwr(SPEED_POWER_MIN); }
   static const cutter_power_t mpower_max() { return cpwr_to_upwr(SPEED_POWER_MAX); }
 
+  #if ENABLED(LASER_FEATURE)
+    static cutter_test_pulse_t testPulse; // Test fire Pulse ms value
+  #endif
+
   static bool isReady;                    // Ready to apply power setting from the UI to OCR
   static uint8_t power;
 
       }
     #endif
 
-  #endif
+    #if ENABLED(LASER_FEATURE)
+      /**
+       * Test fire the laser using the testPulse ms duration
+       * Also fires with any PWM power that was previous set
+       * If not set defaults to 80% power
+       */
+      static inline void test_fire_pulse() {
+        enable_forward();                  // Turn Laser on (Spindle speak but same funct)
+        TERN_(USE_BEEPER, buzzer.tone(30, 3000));
+        delay(testPulse);                  // Delay for time set by user in pulse ms menu screen.
+        disable();                         // Turn laser off
+      }
+    #endif
+
+  #endif // HAS_LCD_MENU
 
   #if ENABLED(LASER_POWER_INLINE)
     /**

Marlin/src/feature/spindle_laser_types.h

   #endif
 #endif
 
+#if ENABLED(LASER_FEATURE)
+  typedef uint16_t cutter_test_pulse_t;
+  #define CUTTER_MENU_PULSE_TYPE uint16_3
+#endif
+
 #if ENABLED(MARLIN_DEV_MODE)
   typedef uint16_t cutter_frequency_t;
   #define CUTTER_MENU_FREQUENCY_TYPE uint16_5

Marlin/src/lcd/language/language_en.h

   PROGMEM Language_Str MSG_LASER_POWER                     = _UxGT("Laser Power");
   PROGMEM Language_Str MSG_SPINDLE_POWER                   = _UxGT("Spindle Pwr");
   PROGMEM Language_Str MSG_LASER_TOGGLE                    = _UxGT("Toggle Laser");
+  PROGMEM Language_Str MSG_LASER_PULSE_MS                  = _UxGT("Test Pulse ms");
+  PROGMEM Language_Str MSG_LASER_FIRE_PULSE                = _UxGT("Fire Pulse");
   PROGMEM Language_Str MSG_SPINDLE_TOGGLE                  = _UxGT("Toggle Spindle");
   PROGMEM Language_Str MSG_SPINDLE_FORWARD                 = _UxGT("Spindle Forward");
   PROGMEM Language_Str MSG_SPINDLE_REVERSE                 = _UxGT("Spindle Reverse");

Marlin/src/lcd/menu/menu_spindle_laser.cpp

       }
     #endif
 
+    #if ENABLED(LASER_FEATURE)
+      // Setup and fire a test pulse using the current PWM power level for for a duration of test_pulse_min to test_pulse_max ms.
+      EDIT_ITEM_FAST(CUTTER_MENU_PULSE_TYPE, MSG_LASER_PULSE_MS, &cutter.testPulse, LASER_TEST_PULSE_MIN, LASER_TEST_PULSE_MAX);
+      ACTION_ITEM(MSG_LASER_FIRE_PULSE, cutter.test_fire_pulse);
+    #endif
+
     #if BOTH(MARLIN_DEV_MODE, HAL_CAN_SET_PWM_FREQ) && defined(SPINDLE_LASER_FREQUENCY)
       EDIT_ITEM_FAST(CUTTER_MENU_FREQUENCY_TYPE, MSG_CUTTER_FREQUENCY, &cutter.frequency, 2000, 80000, cutter.refresh_frequency);
     #endif