2020-06-13 03:32:12 +03:00
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# This file contains an example configuration with RPi as secondary mcu
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# See both the example.cfg and example-extras.cfg file for a
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# description of available parameters.
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# The rpi microcontroller is used as secondary.
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# Typically, both the X and Y axes
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# are connected to the main micro-controller. The rpi microcontroller is used
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# on non time-critical functions such as enclosure sensors, additional fan or
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# light sources
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[mcu host]
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serial: /tmp/klipper_host_mcu
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# Example1: A led strip controlled by the GPIO20 on the RPi
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[output_pin caselight]
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pin: host:gpio20
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# You can also write the pin in extended form by specifying
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# the reference gpiochip.
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#pin: host:gpiochip0/gpio20
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[gcode_macro TOGGLE_CASELIGHT]
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gcode:
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SET_PIN PIN=caselight VALUE={(not printer['output_pin caselight'].value)|int}
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# Example2: Using the i2c bus of the RPi to read a sensor
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[temperature_sensor enclosure_temp]
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sensor_type: HTU21D
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i2c_mcu: host
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i2c_bus: i2c.1
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htu21d_hold_master: False
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[gcode_macro QUERY_ENCLOSURE]
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default_parameter_SENSOR: htu21d enclosure_temp
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gcode:
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2020-09-21 14:00:52 +03:00
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{action_respond_info(
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2020-06-13 03:32:12 +03:00
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"Temperature: %.2f C\n"
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"Humidity: %.2f%%" % (
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printer[SENSOR].temperature,
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printer[SENSOR].humidity))}
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# Example 3:Using a pin on another gpiochip connected to the RPi
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# (in this case on an MCP23017)
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[fan]
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pin: host:gpiochip2/gpio7
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