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| author | Kevin O'Connor <kevin@koconnor.net> | 2021-07-20 15:19:36 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2021-07-23 13:37:20 -0400 |
| commit | b4fec8502c65db769535b1446db235256cf5b991 (patch) | |
| tree | b68b21a0ff92aff43c8a919ed6e66fe424f7b98a /klippy/extras | |
| parent | 121052ad396ff54ea76b3ea2c05fba4acd2a158b (diff) | |
| download | kutter-b4fec8502c65db769535b1446db235256cf5b991.tar.gz kutter-b4fec8502c65db769535b1446db235256cf5b991.tar.xz kutter-b4fec8502c65db769535b1446db235256cf5b991.zip | |
tmc2209: Set SENDDELAY=2 to avoid uart rx/tx errors
It looks like the tmc2209 chips have increased uart errors with the
default SENDDELAY of zero. Increasing the SENDDELAY to two seems to
work around this issue.
Reported by @ReXT3D.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras')
| -rw-r--r-- | klippy/extras/tmc2209.py | 3 |
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 |