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authorKevin O'Connor <kevin@koconnor.net>2020-09-09 21:32:03 -0400
committerKevin O'Connor <kevin@koconnor.net>2020-09-09 22:20:54 -0400
commit1f5848fc1a388b764fc507ccc3d56538605d5500 (patch)
tree256d10cddaab0e7ce912d8191949e0cd25c938d7 /config
parent9b2816477b3101c4a6a749d094b690145c50f24b (diff)
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adc_scaled: Add support for Duet2 Maestro "vref monitoring"
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'config')
-rw-r--r--config/example-extras.cfg17
-rw-r--r--config/generic-duet2-maestro.cfg9
2 files changed, 24 insertions, 2 deletions
diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index ce981c7e..8ea8413b 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -2222,6 +2222,23 @@
# communication. The pin must have a valid pinmux configuration
# for the given SERCOM peripheral. This parameter must be provided.
+# Duet2 Maestro analog scaling by vref and vssa readings. Defining an
+# adc_scaled section enables virtual adc pins (such as "my_name:PB0")
+# that are automatically adjusted by the board's vref and vssa
+# monitoring pins. Be sure to define this config section above any
+# config sections that use one these virtual pins.
+#[adc_scaled my_name]
+#vref_pin:
+# The ADC pin to use for VREF monitoring. This parameter must be
+# provided.
+#vssa_pin:
+# The ADC pin to use for VSSA monitoring. This parameter must be
+# provided.
+#smooth_time: 2.0
+# A time value (in seconds) over which the vref and vssa
+# measurements will be smoothed to reduce the impact of measurement
+# noise. The default is 2 seconds.
+
# Replicape support - see the generic-replicape.cfg file for further
# details.
#[replicape]
diff --git a/config/generic-duet2-maestro.cfg b/config/generic-duet2-maestro.cfg
index 6715c87e..a5c6bbea 100644
--- a/config/generic-duet2-maestro.cfg
+++ b/config/generic-duet2-maestro.cfg
@@ -59,6 +59,11 @@ microsteps: 16
run_current: 0.800
stealthchop_threshold: 30
+# Support analog sensor adjustments using VREF/VSSA pins
+[adc_scaled vref_scaled]
+vref_pin: PA17
+vssa_pin: PA19
+
[extruder]
step_pin: PC4
dir_pin: PB7
@@ -69,7 +74,7 @@ filament_diameter: 1.750
heater_pin: !PC1
sensor_type: EPCOS 100K B57560G104F
pullup_resistor: 2200
-sensor_pin: PB0
+sensor_pin: vref_scaled:PB0
control: pid
pid_Kp: 22.2
pid_Ki: 1.08
@@ -110,7 +115,7 @@ stealthchop_threshold: 5
heater_pin: !PC0
sensor_type: EPCOS 100K B57560G104F
pullup_resistor: 2200
-sensor_pin: PA20
+sensor_pin: vref_scaled:PA20
control: watermark
min_temp: 0
max_temp: 130