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docs: Note that i2c is not noise resilient in Config_Reference.md 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-06-16 18:38:31 -04:00
parent 3f3713ee97
commit 55d1c3728d
1 changed files with 10 additions and 2 deletions
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12
docs/Config_Reference.md
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@ -4199,6 +4199,13 @@ SPI bus.
The following parameters are generally available for devices using an
I2C bus.
Note that Klipper's current micro-controller support for i2c is
generally not tolerant to line noise. Unexpected errors on the i2c
wires may result in Klipper raising a run-time error. Klipper's
support for error recovery varies between each micro-controller type.
It is generally recommended to only use i2c devices that are on the
same printed circuit board as the micro-controller.
```
#i2c_address:
# The i2c address of the device. This must specified as a decimal
@ -4212,6 +4219,7 @@ I2C bus.
# the type of micro-controller.
#i2c_speed:
# The I2C speed (in Hz) to use when communicating with the device.
# On some micro-controllers changing this value has no effect. The
# default is 100000.
# The Klipper implementation on most micro-controllers is hard-coded
# to 100000 and changing this value has no effect. The default is
# 100000.
```