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heater: Fix auto-tune code 

Make sure the heater.target_temp is set during the auto-tune test so
that the heater.set_pwm() command will allow the heater to be turned
on.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-06-22 12:09:55 -04:00
parent b310501970
commit d981973096
1 changed files with 18 additions and 12 deletions
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30
klippy/heater.py
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@ -130,9 +130,16 @@ class PrinterHeater:
def check_busy(self, eventtime):
with self.lock:
return self.control.check_busy(eventtime)
def start_auto_tune(self, temp):
def start_auto_tune(self, degrees):
if degrees and (degrees < self.min_temp or degrees > self.max_temp):
raise error("Requested temperature (%.1f) out of range (%.1f:%.1f)"
% (degrees, self.min_temp, self.max_temp))
with self.lock:
self.control = ControlAutoTune(self, self.control, temp)
self.control = ControlAutoTune(self, self.control)
self.target_temp = degrees
def finish_auto_tune(self, old_control):
self.control = old_control
self.target_temp = 0
######################################################################
@ -211,19 +218,19 @@ class ControlPID:
TUNE_PID_DELTA = 5.0
class ControlAutoTune:
def __init__(self, heater, old_control, target_temp):
def __init__(self, heater, old_control):
self.heater = heater
self.old_control = old_control
self.target_temp = target_temp
self.heating = False
self.peaks = []
self.peak = 0.
self.peak_time = 0.
def adc_callback(self, read_time, temp):
if self.heating and temp >= self.target_temp:
if self.heating and temp >= self.heater.target_temp:
self.heating = False
self.check_peaks()
elif not self.heating and temp <= self.target_temp - TUNE_PID_DELTA:
elif (not self.heating
and temp <= self.heater.target_temp - TUNE_PID_DELTA):
self.heating = True
self.check_peaks()
if self.heating:
@ -261,7 +268,7 @@ class ControlAutoTune:
def check_busy(self, eventtime):
if self.heating or len(self.peaks) < 12:
return True
self.heater.control = self.old_control
self.heater.finish_auto_tune(self.old_control)
return False
@ -270,10 +277,9 @@ class ControlAutoTune:
######################################################################
class ControlBumpTest:
def __init__(self, heater, old_control, target_temp):
def __init__(self, heater, old_control):
self.heater = heater
self.old_control = old_control
self.target_temp = target_temp
self.temp_samples = {}
self.pwm_samples = {}
self.state = 0
@ -287,14 +293,14 @@ class ControlBumpTest:
if len(self.temp_samples) >= 20:
self.state += 1
elif self.state == 1:
if temp < self.target_temp:
if temp < self.heater.target_temp:
self.set_pwm(read_time, self.heater.max_power)
return
self.set_pwm(read_time, 0.)
self.state += 1
elif self.state == 2:
self.set_pwm(read_time, 0.)
if temp <= (self.target_temp + AMBIENT_TEMP) / 2.:
if temp <= (self.heater.target_temp + AMBIENT_TEMP) / 2.:
self.dump_stats()
self.state += 1
def dump_stats(self):
@ -306,7 +312,7 @@ class ControlBumpTest:
def check_busy(self, eventtime):
if self.state < 3:
return True
self.heater.control = self.old_control
self.heater.finish_auto_tune(self.old_control)
return False
def add_printer_objects(printer, config):