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adc_temperature: Support defining custom sensors in the config file

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Allow the user to define a custom sensor with their own set of
temperature/voltage measurements.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-04-09 15:44:34 -04:00
parent c463893a5e
commit 6466af6313
2 changed files with 43 additions and 2 deletions
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26
config/example-extras.cfg
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@ -395,7 +395,7 @@
# Custom thermistors (one may define any number of sections with a
# "thermistor" prefix). A custom thermistor may be used in the
# "thermistor" prefix). A custom thermistor may be used in the
# sensor_type field of a heater config section. (For example, if one
# defines a "[thermistor my_thermistor]" section then one may use a
# "sensor_type: my_thermistor" when defining a heater.) Be sure to
@ -410,7 +410,7 @@
#resistance3:
# Three resistance measurements (in Ohms) at the given temperatures
# (in Celsius). The three measurements will be used to calculate the
# Steinhart-Hart coefficients for the thermistor. These parameters
# Steinhart-Hart coefficients for the thermistor. These parameters
# must be provided when using Steinhart-Hart to define the
# thermistor.
#beta:
@ -419,6 +419,28 @@
# provided when using "beta" to define the thermistor.
# Custom ADC temperature sensors (one may define any number of
# sections with an "adc_temperature" prefix). This allows one to
# define a custom temperature sensor that measures a voltage on an
# Analog to Digital Converter (ADC) pin and uses linear interpolation
# between a set of configured temperature/voltage measurements to
# determine the temperature. The resulting sensor can be used as a
# sensor_type in a heater section. (For example, if one defines a
# "[adc_temperature my_sensor]" section then one may use a
# "sensor_type: my_sensor" when defining a heater.) Be sure to place
# the sensor section in the config file above its first use in a
# heater section.
#[adc_temperature my_sensor]
#temperature1:
#voltage1:
#temperature2:
#voltage2:
#...
# A set of temperatures (in Celsius) and voltages (in Ohms) to use
# as reference when converting a temperature. At least two
# measurements must be provided.
# Replicape support - see the generic-replicape.cfg file for further
# details.
#[replicape]