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-rw-r--r--klippy/extras/tmc2209.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/klippy/extras/tmc2209.py b/klippy/extras/tmc2209.py
index ceb616e9..c95ade34 100644
--- a/klippy/extras/tmc2209.py
+++ b/klippy/extras/tmc2209.py
@@ -59,6 +59,9 @@ class TMC2209:
self.fields = tmc.FieldHelper(Fields, tmc2208.SignedFields,
FieldFormatters)
self.mcu_tmc = tmc_uart.MCU_TMC_uart(config, Registers, self.fields, 3)
+ # Setup fields for UART
+ self.fields.set_field("pdn_disable", True)
+ self.fields.set_field("SENDDELAY", 2) # Avoid tx errors on shared uart
# Allow virtual pins to be created
tmc.TMCVirtualPinHelper(config, self.mcu_tmc)
# Register commands