diff options
Diffstat (limited to 'config')
-rw-r--r-- | config/example-extras.cfg | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/config/example-extras.cfg b/config/example-extras.cfg index ac251512..c10d2732 100644 --- a/config/example-extras.cfg +++ b/config/example-extras.cfg @@ -605,6 +605,23 @@ # to not scale the 'wiper_x' parameters. +# Configure an SX1509 I2C to GPIO expander. Due to the delay incurred +# by I2C communication you should NOT use SX1509 pins as stepper enable, +# step or dir pins or any other pin that requires fast bit-banging. They +# are best used as static or gcode controlled digital outputs or hardware-pwm +# pins for e.g. fans. One may define any number of sections with an "sx1509" +# prefix. Each expander provides a set of 16 pins (sx1509_my_sx1509:PIN_0 to +# sx1509_my_sx1509:PIN_15) which can be used in the printer configuration. +#[sx1509 my_sx1509] +#address: +# I2C address used by this expander. Depending on the hardware jumpers +# this is one out of the following addresses: 0x3E 0x3F 0x70 0x71. This +# parameter must be provided +#bus: 0 +# If the I2C implementation of your microcontroller supports multiple I2C +# busses, you may specify the bus number here. The default is 0. + + # Configure a TMC2130 stepper motor driver via SPI bus. To use this # feature, define a config section with a "tmc2130" prefix followed by # the name of the corresponding stepper config section (for example, |