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adc_temperature: Add builtin definition for PT1000 sensors

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2020-03-05 11:46:01 -05:00
parent 8d10379ad8
commit a074af7c87
3 changed files with 29 additions and 2 deletions
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14
klippy/extras/adc_temperature.py
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@ -132,7 +132,7 @@ class LinearResistance:
def __init__(self, config, samples):
self.pullup = config.getfloat('pullup_resistor', 4700., above=0.)
try:
self.li = LinearInterpolate(samples)
self.li = LinearInterpolate([(r, t) for t, r in samples])
except ValueError as e:
raise config.error("adc_temperature %s in heater %s" % (
str(e), config.get_name()))
@ -156,7 +156,7 @@ class CustomLinearResistance:
if t is None:
break
r = config.getfloat("resistance%d" % (i,))
self.samples.append((r, t))
self.samples.append((t, r))
def create(self, config):
lr = LinearResistance(config, self.samples)
return PrinterADCtoTemperature(config, lr)
@ -266,6 +266,11 @@ PT100 = [
(1000, 4.48), (1100, 4.73)
]
PT1000 = [
(0., 1000.), (100., 1385.1), (200., 1758.6), (300., 2120.5),
(400., 2470.9), (500., 2809.8),
]
def load_config(config):
# Register default sensors
pheater = config.get_printer().lookup_object("heater")
@ -278,6 +283,11 @@ def load_config(config):
func = (lambda config, params=params:
PrinterADCtoTemperature(config, LinearVoltage(config, params)))
pheater.add_sensor_factory(sensor_type, func)
for sensor_type, params in [("PT1000", PT1000)]:
func = (lambda config, params=params:
PrinterADCtoTemperature(config,
LinearResistance(config, params)))
pheater.add_sensor_factory(sensor_type, func)
def load_config_prefix(config):
if config.get("resistance1", None) is None: