M872 wait for probe temperature (#19344)

Marlin/src/gcode/calibrate/G76_M871-M872.cpp

@@ -37,6 +37,17 @@
 #include "../../module/probe.h"
 #include "../../feature/probe_temp_comp.h"
 
+#include "../../lcd/ultralcd.h"
+#include "../../MarlinCore.h" // for wait_for_heatup and idle()
+
+#if ENABLED(PRINTJOB_TIMER_AUTOSTART)
+  #include "../../module/printcounter.h"
+#endif
+
+#if ENABLED(PRINTER_EVENTS_LEDS)
+  #include "../../feature/leds/leds.h"
+#endif
+
 /**
  * G76: calibrate probe and/or bed temperature offsets
  *  Notes:
@@ -303,17 +314,17 @@ void GcodeSuite::M871() {
   }
   else if (parser.seen("BPE")) {
     if (!parser.seenval('V')) return;
-    const int16_t val = parser.value_int();
+    const int16_t offset_val = parser.value_int();
     if (!parser.seenval('I')) return;
     const int16_t idx = parser.value_int();
     const TempSensorID mod = (parser.seen('B') ? TSI_BED :
-                              #if ENABLED(USE_TEMP_EXT_COMPENSATION)
+                                #if ENABLED(USE_TEMP_EXT_COMPENSATION)
-                                parser.seen('E') ? TSI_EXT :
+                                  parser.seen('E') ? TSI_EXT :
-                              #endif
+                                #endif
-                              TSI_PROBE
+                                TSI_PROBE
                               );
-    if (idx > 0 && temp_comp.set_offset(mod, idx - 1, val))
+    if (idx > 0 && temp_comp.set_offset(mod, idx - 1, offset_val))
-      SERIAL_ECHOLNPAIR("Set value: ", val);
+      SERIAL_ECHOLNPAIR("Set value: ", offset_val);
     else
       SERIAL_ECHOLNPGM("!Invalid index. Failed to set value (note: value at index 0 is constant).");
 
@@ -322,4 +333,25 @@ void GcodeSuite::M871() {
     temp_comp.print_offsets();
 }
 
+/**
+ * M872: Wait for probe temperature sensor to reach a target
+ *
+ * Select only one of these flags:
+ *    R - Wait for heating or cooling
+ *    S - Wait only for heating
+ */
+void GcodeSuite::M872() {
+  if (DEBUGGING(DRYRUN)) return;
+
+  const bool no_wait_for_cooling = parser.seenval('S');
+  if (!no_wait_for_cooling && ! parser.seenval('R')) {
+    SERIAL_ERROR_MSG("No target temperature set.");
+    return;
+  }
+
+  const float target_temp = parser.value_celsius();
+  ui.set_status_P(thermalManager.isProbeBelowTemp(target_temp) ? GET_TEXT(MSG_PROBE_HEATING) : GET_TEXT(MSG_PROBE_COOLING));
+  thermalManager.wait_for_probe(target_temp, no_wait_for_cooling);
+}
+
 #endif // PROBE_TEMP_COMPENSATION

Marlin/src/gcode/gcode.cpp

@@ -819,6 +819,7 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
 
       #if ENABLED(PROBE_TEMP_COMPENSATION)
         case 871: M871(); break;                                  // M871: Print/reset/clear first layer temperature offset values
+        case 872: M872(); break;                                  // M872: Wait for probe temp
       #endif
 
       #if ENABLED(LIN_ADVANCE)

Marlin/src/gcode/gcode.h

@@ -253,6 +253,7 @@
  * M868 - Report or set position encoder module error correction threshold.
  * M869 - Report position encoder module error.
  * M871 - Print/reset/clear first layer temperature offset values. (Requires PROBE_TEMP_COMPENSATION)
+ * M872 - Wait for probe temp (Requires PROBE_TEMP_COMPENSATION)
  * M876 - Handle Prompt Response. (Requires HOST_PROMPT_SUPPORT and not EMERGENCY_PARSER)
  * M900 - Get or Set Linear Advance K-factor. (Requires LIN_ADVANCE)
  * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given. (Requires at least one _DRIVER_TYPE defined as TMC2130/2160/5130/5160/2208/2209/2660 or L6470)
@@ -820,7 +821,10 @@ private:
     FORCE_INLINE static void M869() { I2CPEM.M869(); }
   #endif
 
-  TERN_(PROBE_TEMP_COMPENSATION, static void M871());
+  #if ENABLED(PROBE_TEMP_COMPENSATION)
+    static void M871();
+    static void M872();
+  #endif
 
   TERN_(LIN_ADVANCE, static void M900());
 

Marlin/src/lcd/language/language_en.h

@@ -470,6 +470,8 @@ namespace Language_en {
   PROGMEM Language_Str MSG_COOLING                         = _UxGT("Cooling...");
   PROGMEM Language_Str MSG_BED_HEATING                     = _UxGT("Bed Heating...");
   PROGMEM Language_Str MSG_BED_COOLING                     = _UxGT("Bed Cooling...");
+  PROGMEM Language_Str MSG_PROBE_HEATING                   = _UxGT("Probe Heating...");
+  PROGMEM Language_Str MSG_PROBE_COOLING                   = _UxGT("Probe Cooling...");
   PROGMEM Language_Str MSG_CHAMBER_HEATING                 = _UxGT("Chamber Heating...");
   PROGMEM Language_Str MSG_CHAMBER_COOLING                 = _UxGT("Chamber Cooling...");
   PROGMEM Language_Str MSG_DELTA_CALIBRATE                 = _UxGT("Delta Calibration");

Marlin/src/lcd/language/language_fr.h

@@ -413,6 +413,8 @@ namespace Language_fr {
   PROGMEM Language_Str MSG_COOLING                         = _UxGT("Refroidissement");
   PROGMEM Language_Str MSG_BED_HEATING                     = _UxGT("Lit en chauffe...");
   PROGMEM Language_Str MSG_BED_COOLING                     = _UxGT("Refroid. du lit...");
+  PROGMEM Language_Str MSG_PROBE_HEATING                   = _UxGT("Probe en chauffe...");
+  PROGMEM Language_Str MSG_PROBE_COOLING                   = _UxGT("Refroid. Probe...");
   PROGMEM Language_Str MSG_CHAMBER_HEATING                 = _UxGT("Chauffe caisson...");
   PROGMEM Language_Str MSG_CHAMBER_COOLING                 = _UxGT("Refroid. caisson...");
   PROGMEM Language_Str MSG_DELTA_CALIBRATE                 = _UxGT("Calibration Delta");

Marlin/src/module/temperature.cpp

@@ -440,7 +440,6 @@ volatile bool Temperature::raw_temps_ready = false;
 
     SHV(bias = d = (MAX_BED_POWER) >> 1, bias = d = (PID_MAX) >> 1);
 
-    wait_for_heatup = true; // Can be interrupted with M108
     #if ENABLED(PRINTER_EVENT_LEDS)
       const float start_temp = GHV(temp_bed.celsius, temp_hotend[heater].celsius);
       LEDColor color = ONHEATINGSTART();
@@ -449,6 +448,7 @@ volatile bool Temperature::raw_temps_ready = false;
     TERN_(NO_FAN_SLOWING_IN_PID_TUNING, adaptive_fan_slowing = false);
 
     // PID Tuning loop
+    wait_for_heatup = true; // Can be interrupted with M108
     while (wait_for_heatup) {
 
       const millis_t ms = millis();
@@ -632,6 +632,7 @@ volatile bool Temperature::raw_temps_ready = false;
       }
       TERN(DWIN_CREALITY_LCD, DWIN_Update(), ui.update());
     }
+    wait_for_heatup = false;
 
     disable_all_heaters();
 
@@ -3060,10 +3061,10 @@ void Temperature::tick() {
         printerEventLEDs.onHotendHeatingStart();
       #endif
 
-      float target_temp = -1.0, old_temp = 9999.0;
       bool wants_to_cool = false;
-      wait_for_heatup = true;
+      float target_temp = -1.0, old_temp = 9999.0;
       millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
+      wait_for_heatup = true;
       do {
         // Target temperature might be changed during the loop
         if (target_temp != degTargetHotend(target_extruder)) {
@@ -3137,6 +3138,7 @@ void Temperature::tick() {
       } while (wait_for_heatup && TEMP_CONDITIONS);
 
       if (wait_for_heatup) {
+        wait_for_heatup = false;
         #if ENABLED(DWIN_CREALITY_LCD)
           HMI_flag.heat_flag = 0;
           duration_t elapsed = print_job_timer.duration();  // print timer
@@ -3145,9 +3147,10 @@ void Temperature::tick() {
           ui.reset_status();
         #endif
         TERN_(PRINTER_EVENT_LEDS, printerEventLEDs.onHeatingDone());
+        return true;
       }
 
-      return wait_for_heatup;
+      return false;
     }
 
   #endif // HAS_TEMP_HOTEND
@@ -3176,11 +3179,6 @@ void Temperature::tick() {
         #define TEMP_BED_CONDITIONS (wants_to_cool ? isCoolingBed() : isHeatingBed())
       #endif
 
-      float target_temp = -1, old_temp = 9999;
-      bool wants_to_cool = false;
-      wait_for_heatup = true;
-      millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
-
       #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
         KEEPALIVE_STATE(NOT_BUSY);
       #endif
@@ -3190,6 +3188,10 @@ void Temperature::tick() {
         printerEventLEDs.onBedHeatingStart();
       #endif
 
+      bool wants_to_cool = false;
+      float target_temp = -1, old_temp = 9999;
+      millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
+      wait_for_heatup = true;
       do {
         // Target temperature might be changed during the loop
         if (target_temp != degTargetBed()) {
@@ -3264,9 +3266,13 @@ void Temperature::tick() {
 
       } while (wait_for_heatup && TEMP_BED_CONDITIONS);
 
-      if (wait_for_heatup) ui.reset_status();
+      if (wait_for_heatup) {
+        wait_for_heatup = false;
+        ui.reset_status();
+        return true;
+      }
 
-      return wait_for_heatup;
+      return false;
     }
 
     void Temperature::wait_for_bed_heating() {
@@ -3280,6 +3286,77 @@ void Temperature::tick() {
 
   #endif // HAS_HEATED_BED
 
+  #if HAS_TEMP_PROBE
+
+    #ifndef MIN_DELTA_SLOPE_DEG_PROBE
+      #define MIN_DELTA_SLOPE_DEG_PROBE 1.0
+    #endif
+    #ifndef MIN_DELTA_SLOPE_TIME_PROBE
+      #define MIN_DELTA_SLOPE_TIME_PROBE 600
+    #endif
+
+    bool Temperature::wait_for_probe(const float target_temp, bool no_wait_for_cooling/*=true*/) {
+
+      const bool wants_to_cool = isProbeAboveTemp(target_temp);
+      const bool will_wait = !(wants_to_cool && no_wait_for_cooling);
+      if (will_wait)
+        SERIAL_ECHOLNPAIR("Waiting for probe to ", (wants_to_cool ? PSTR("cool down") : PSTR("heat up")), " to ", target_temp, " degrees.");
+
+      #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
+        KEEPALIVE_STATE(NOT_BUSY);
+      #endif
+
+      float old_temp = 9999;
+      millis_t next_temp_ms = 0, next_delta_check_ms = 0;
+      wait_for_heatup = true;
+      while (will_wait && wait_for_heatup) {
+
+        // Print Temp Reading every 10 seconds while heating up.
+        millis_t now = millis();
+        if (!next_temp_ms || ELAPSED(now, next_temp_ms)) {
+          next_temp_ms = now + 10000UL;
+          print_heater_states(active_extruder);
+          SERIAL_EOL();
+        }
+
+        idle();
+        gcode.reset_stepper_timeout(); // Keep steppers powered
+
+        // Break after MIN_DELTA_SLOPE_TIME_PROBE seconds if the temperature
+        // did not drop at least MIN_DELTA_SLOPE_DEG_PROBE. This avoids waiting
+        // forever as the probe is not actively heated.
+        if (!next_delta_check_ms || ELAPSED(now, next_delta_check_ms)) {
+          const float temp = degProbe(),
+                      delta_temp = old_temp > temp ? old_temp - temp : temp - old_temp;
+          if (delta_temp < float(MIN_DELTA_SLOPE_DEG_PROBE)) {
+            SERIAL_ECHOLNPGM("Timed out waiting for probe temperature.");
+            break;
+          }
+          next_delta_check_ms = now + 1000UL * MIN_DELTA_SLOPE_TIME_PROBE;
+          old_temp = temp;
+        }
+
+        // Loop until the temperature is very close target
+        if (!(wants_to_cool ? isProbeAboveTemp(target_temp) : isProbeBelowTemp(target_temp))) {
+            SERIAL_ECHOLN(wants_to_cool ? PSTR("Cooldown") : PSTR("Heatup"));
+            SERIAL_ECHOLNPGM(" complete, target probe temperature reached.");
+            break;
+        }
+      }
+
+      if (wait_for_heatup) {
+        wait_for_heatup = false;
+        ui.reset_status();
+        return true;
+      }
+      else if (will_wait)
+        SERIAL_ECHOLNPGM("Canceled wait for probe temperature.");
+
+      return false;
+    }
+
+  #endif // HAS_TEMP_PROBE
+
   #if HAS_HEATED_CHAMBER
 
     #ifndef MIN_COOLING_SLOPE_DEG_CHAMBER
@@ -3300,15 +3377,14 @@ void Temperature::tick() {
         #define TEMP_CHAMBER_CONDITIONS (wants_to_cool ? isCoolingChamber() : isHeatingChamber())
       #endif
 
-      float target_temp = -1, old_temp = 9999;
-      bool wants_to_cool = false;
-      wait_for_heatup = true;
-      millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
-
       #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
         KEEPALIVE_STATE(NOT_BUSY);
       #endif
 
+      bool wants_to_cool = false;
+      float target_temp = -1, old_temp = 9999;
+      millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
+      wait_for_heatup = true;
       do {
         // Target temperature might be changed during the loop
         if (target_temp != degTargetChamber()) {
@@ -3367,9 +3443,13 @@ void Temperature::tick() {
         }
       } while (wait_for_heatup && TEMP_CHAMBER_CONDITIONS);
 
-      if (wait_for_heatup) ui.reset_status();
+      if (wait_for_heatup) {
+        wait_for_heatup = false;
+        ui.reset_status();
+        return true;
+      }
 
-      return wait_for_heatup;
+      return false;
     }
 
   #endif // HAS_HEATED_CHAMBER

Marlin/src/module/temperature.h

@@ -654,6 +654,9 @@ class Temperature {
         FORCE_INLINE static int16_t rawProbeTemp()    { return temp_probe.raw; }
       #endif
       FORCE_INLINE static float degProbe()            { return temp_probe.celsius; }
+      FORCE_INLINE static bool isProbeBelowTemp(const float target_temp) { return temp_probe.celsius < target_temp; }
+      FORCE_INLINE static bool isProbeAboveTemp(const float target_temp) { return temp_probe.celsius > target_temp; }
+      static bool wait_for_probe(const float target_temp, bool no_wait_for_cooling=true);
     #endif
 
     #if WATCH_PROBE