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heater: Add support for AD595 type sensors

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Add support for sensor chips that produce a voltage that linearly
scales with temperature.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-03-06 16:11:58 -05:00
parent ff6a96665a
commit f66b1ac450
2 changed files with 29 additions and 9 deletions
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10
config/example.cfg
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@@ -161,14 +161,18 @@ heater_pin: ar4
# setting may be used to limit the total power output (over extended
# periods) to the heater. The default is 1.0.
sensor_type: EPCOS 100K B57560G104F
# Type of sensor - this may be "EPCOS 100K B57560G104F" or "ATC
# Semitec 104GT-2". This parameter must be provided.
# Type of sensor - this may be "EPCOS 100K B57560G104F", "ATC
# Semitec 104GT-2", or "AD595". This parameter must be provided.
sensor_pin: analog1
# Analog input pin connected to thermistor. This parameter must be
# Analog input pin connected to the sensor. This parameter must be
# provided.
#pullup_resistor: 4700
# The resistance (in ohms) of the pullup attached to the
# thermistor. This parameter is only valid when the sensor is a
# thermistor. The default is 4700 ohms.
#adc_voltage: 5.0
# The ADC comparison voltage. This parameter is only valid when the
# sensor is an AD595. The default is 5 volts.
control: pid
# Control algorithm (either pid or watermark). This parameter must
# be provided.