config: Update example-extras.cfg for tmc2209

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 36 insertions, 0 deletions

diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index ebe3b921..c1585946 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -1071,6 +1071,42 @@
 #   above list.
 
 
+# Configure a TMC2209 stepper motor driver via single wire UART. To
+# use this feature, define a config section with a "tmc2209" prefix
+# followed by the name of the corresponding stepper config section
+# (for example, "[tmc2209 stepper_x]").
+#[tmc2209 stepper_x]
+#uart_pin:
+#tx_pin:
+#select_pins:
+#microsteps:
+#interpolate: True
+#run_current:
+#hold_current:
+#sense_resistor: 0.110
+#stealthchop_threshold: 0
+#   See the tmc2208 section above for the definition of these
+#   parameters.
+#driver_IHOLDDELAY: 8
+#driver_TPOWERDOWN: 20
+#driver_TBL: 2
+#driver_TOFF: 3
+#driver_HEND: 0
+#driver_HSTRT: 5
+#driver_PWM_AUTOGRAD: True
+#driver_PWM_AUTOSCALE: True
+#driver_PWM_LIM: 12
+#driver_PWM_REG: 8
+#driver_PWM_FREQ: 1
+#driver_PWM_GRAD: 14
+#driver_PWM_OFS: 36
+#driver_SGTHRS: 0
+#   Set the given register during the configuration of the TMC2209
+#   chip. This may be used to set custom motor parameters. The
+#   defaults for each parameter are next to the parameter name in the
+#   above list.
+
+
 # Configure a TMC2660 stepper motor driver via SPI bus. To use this
 # feature, define a config section with a tmc2660 prefix followed by
 # the name of the corresponding stepper config section (for example,