Laser Coolant Flow Meter

MarlinFirmware/Marlin#21431

config/default/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/ADIMLab/Gantry v1/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/ADIMLab/Gantry v2/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Alfawise/U20-bltouch/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1549,6 +1563,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Alfawise/U20/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/AliExpress/UM2pExt/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Anet/A2/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Anet/A2plus/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Anet/A6/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Anet/A8/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames

config/examples/Anet/A8plus/Configuration_adv.h

@@ -204,6 +204,20 @@
   #endif
 #endif
 
+//
+// Laser Coolant Flow Meter
+//
+//#define LASER_COOLANT_FLOW_METER
+#if ENABLED(LASER_COOLANT_FLOW_METER)
+  #define FLOWMETER_PIN         20  // Requires an external interrupt-enabled pin (e.g., RAMPS 2,3,18,19,20,21)
+  #define FLOWMETER_PPL       5880  // (pulses/liter) Flow meter pulses-per-liter on the input pin
+  #define FLOWMETER_INTERVAL  1000  // (ms) Flow rate calculation interval in milliseconds
+  #define FLOWMETER_SAFETY          // Prevent running the laser without the minimum flow rate set below
+  #if ENABLED(FLOWMETER_SAFETY)
+    #define FLOWMETER_MIN_LITERS_PER_MINUTE 1.5 // (liters/min) Minimum flow required when enabled
+  #endif
+#endif
+
 /**
  * Thermal Protection provides additional protection to your printer from damage
  * and fire. Marlin always includes safe min and max temperature ranges which
@@ -1539,6 +1553,7 @@
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
   //#define STATUS_CUTTER_ANIM        // Use a second bitmap to indicate spindle / laser active
   //#define STATUS_COOLER_ANIM        // Use a second bitmap to indicate laser cooling
+  //#define STATUS_FLOWMETER_ANIM     // Use multiple bitmaps to indicate coolant flow
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
   //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames