klippy: Allow any stats producer to determine when stats are needed

Instead of using the toolhead class to determine if stats should be
reported, allow every printer object with a stats() callback to
determine if stats are needed.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/gcode.py

@@ -77,7 +77,7 @@ class GCodeParser:
         self.move_with_transform = transform.move
         self.position_with_transform = transform.get_position
     def stats(self, eventtime):
-        return "gcodein=%d" % (self.bytes_read,)
+        return False, "gcodein=%d" % (self.bytes_read,)
     def printer_state(self, state):
         if state == 'shutdown':
             if not self.is_printer_ready:

klippy/heater.py

@@ -194,7 +194,7 @@ class PrinterHeater:
             target_temp = self.target_temp
             last_temp = self.last_temp
             last_pwm_value = self.last_pwm_value
-        return '%s: target=%.0f temp=%.0f pwm=%.3f' % (
+        return False, '%s: target=%.0f temp=%.0f pwm=%.3f' % (
             self.name, target_temp, last_temp, last_pwm_value)
 
 

klippy/klippy.py

@@ -173,14 +173,10 @@ class Printer:
         if self.bglogger is not None:
             self.bglogger.set_rollover_info(name, info)
     def _stats(self, eventtime, force_output=False):
-        toolhead = self.objects.get('toolhead')
-        if toolhead is None:
-            return eventtime + 1.
-        is_active = toolhead.check_active(eventtime)
-        if not is_active and not force_output:
-            return eventtime + 1.
         stats = [cb(eventtime) for cb in self.stats_cb]
-        logging.info("Stats %.1f: %s", eventtime, ' '.join(stats))
+        if max([s[0] for s in stats] + [force_output]):
+            logging.info("Stats %.1f: %s", eventtime,
+                         ' '.join([s[1] for s in stats]))
         return eventtime + 1.
     def _try_load_module(self, config, section):
         if section in self.objects:

klippy/mcu.py

@@ -747,8 +747,8 @@ class MCU:
         msg = "%s: mcu_awake=%.03f mcu_task_avg=%.06f mcu_task_stddev=%.06f" % (
             self._name, self._mcu_tick_awake, self._mcu_tick_avg,
             self._mcu_tick_stddev)
-        return ' '.join([msg, self._serial.stats(eventtime),
-                         self._clocksync.stats(eventtime)])
+        return False, ' '.join([msg, self._serial.stats(eventtime),
+                                self._clocksync.stats(eventtime)])
     def printer_state(self, state):
         if state == 'connect':
             self._connect()

klippy/toolhead.py

@@ -358,17 +358,13 @@ class ToolHead:
         self.move_queue.set_extruder(extruder)
         self.commanded_pos[3] = extrude_pos
     # Misc commands
-    def check_active(self, eventtime):
+    def stats(self, eventtime):
         for m in self.all_mcus:
             m.check_active(self.print_time, eventtime)
-        if not self.sync_print_time:
-            return True
-        return self.print_time + 60. > self.mcu.estimated_print_time(eventtime)
-    def stats(self, eventtime):
-        est_print_time = self.mcu.estimated_print_time(eventtime)
-        buffer_time = max(0., self.print_time - est_print_time)
-        return "print_time=%.3f buffer_time=%.3f print_stall=%d" % (
-            self.print_time, buffer_time, self.print_stall)
+        buffer_time = self.print_time - self.mcu.estimated_print_time(eventtime)
+        is_active = buffer_time > -60. or not self.sync_print_time
+        return is_active, "print_time=%.3f buffer_time=%.3f print_stall=%d" % (
+            self.print_time, max(buffer_time, 0.), self.print_stall)
     def printer_state(self, state):
         if state == 'shutdown':
             try: