adc out of range: expose heater thermistor out of min/max

README.md

@@ -28,6 +28,8 @@ If I want my printer to light itself on fire, I should be able to make my printe
 
 - [heater: PID-Profiles](https://github.com/DangerKlippers/danger-klipper/pull/162)
 
+- [heater: expose heater thermistor out of min/max](https://github.com/DangerKlippers/danger-klipper/pull/182)
+
 - [gcode: jinja2.ext.do extension](https://github.com/DangerKlippers/danger-klipper/pull/26) ([klipper#5149](https://github.com/Klipper3d/klipper/pull/5149))
 
 - [gcode: gcode_shell_command](https://github.com/DangerKlippers/danger-klipper/pull/26) ([klipper#2173](https://github.com/Klipper3d/klipper/pull/2173) / [kiuah](https://github.com/dw-0/kiauh/blob/master/resources/gcode_shell_command.py) )

klippy/extras/heaters.py

@@ -233,6 +233,11 @@ def get_status(self, eventtime):
             "pid_profile": self.get_control().get_profile()["name"],
         }
 
+    def is_adc_faulty(self):
+        if self.last_temp > self.max_temp or self.last_temp < self.min_temp:
+            return True
+        return False
+
     cmd_SET_HEATER_TEMPERATURE_help = "Sets a heater temperature"
 
     def cmd_SET_HEATER_TEMPERATURE(self, gcmd):

klippy/mcu.py

@@ -810,7 +810,30 @@ def _handle_shutdown(self, params):
         prefix = "MCU '%s' shutdown: " % (self._name,)
         if params["#name"] == "is_shutdown":
             prefix = "Previous MCU '%s' shutdown: " % (self._name,)
-        self._printer.invoke_async_shutdown(prefix + msg + error_help(msg))
+
+        append_msgs = []
+        if (
+            msg.startswith("ADC out of range")
+            and not self.danger_options.adc_ignore_limits
+        ):
+            pheaters = self._printer.lookup_object("heaters")
+            heaters = [
+                pheaters.lookup_heater(n) for n in pheaters.available_heaters
+            ]
+            for heater in heaters:
+                if heater.is_adc_faulty():
+                    append_msgs.append(
+                        {
+                            "heater": heater.name,
+                            "last_temp": "{:.2f}".format(heater.last_temp),
+                            "min_temp": heater.min_temp,
+                            "max_temp": heater.max_temp,
+                        }
+                    )
+
+        self._printer.invoke_async_shutdown(
+            prefix + msg + error_help(msg=msg, append_msgs=append_msgs)
+        )
 
     def _handle_starting(self, params):
         if not self._is_shutdown:
@@ -1304,10 +1327,21 @@ def stats(self, eventtime):
 }
 
 
-def error_help(msg):
+def error_help(msg, append_msgs=[]):
     for prefixes, help_msg in Common_MCU_errors.items():
         for prefix in prefixes:
             if msg.startswith(prefix):
+                if append_msgs:
+                    for append in append_msgs:
+                        line = append
+                        if isinstance(append, dict):
+                            line = ", ".join(
+                                [
+                                    f"{str(k)}: {str(v)}"
+                                    for k, v in append.items()
+                                ]
+                            )
+                        help_msg = "\n".join([help_msg, str(line)])
                 return help_msg
     return ""