Klipper源码分析-klippy.py

本文介绍了Klipper源码中的`klippy.py`主函数,讲解了如何使用optparse解析命令行参数,如配置文件、日志文件等,并详细阐述了Printer打印机主控程序的初始化过程,包括反应堆、日志记录器和启动参数的设置。文章还提及了`_read_config`函数用于读取配置文件,并触发事件来识别微控制器和调用回调函数。

klippy.py 模块:是 Klipper 固件的入口点,它负责启动和管理整个系统,它包含了初始化代码,加载配置文件,设置日志记录和异常处理等klippy.py 还创建了一个 Printer 对象,该对象代表整个打印机实例,并负责与下位机进行通信,接下来我们一起分析他的代码

主函数main()

    usage = "%prog [options] <config file>"
    opts = optparse.OptionParser(usage)
    opts.add_option("-i", "--debuginput", dest="debuginput",
                    help="read commands from file instead of from tty port")
    opts.add_option("-I", "--input-tty", dest="inputtty",
                    default='/tmp/printer',
                    help="input tty name (default is /tmp/printer)")
    opts.add_option("-a", "--api-server", dest="apiserver",
                    help="api server unix domain socket filename")
    opts.add_option("-l", "--logfile", dest="logfile",
                    help="wr
pi@rk3318-box:/root$ ~/klipper/scripts/install-octopi-dependencies.sh bash: /home/pi/klipper/scripts/install-octopi-dependencies.sh: No such file or directory pi@rk3318-box:/root$ cd /klipper/scripts/ bash: cd: /klipper/scripts/: No such file or directory pi@rk3318-box:/root$ cd ~ pi@rk3318-box:~$ ls crowsnest kiauh-backups klippy-env OctoPrint fluidd klipper moonraker printer_data fluidd-config KlipperScreen moonraker-env timelapse kiauh klipper_tmc_autotune moonraker-timelapse pi@rk3318-box:~$ cd /klipper/scripts/ bash: cd: /klipper/scripts/: No such file or directory pi@rk3318-box:~$ cd /klipper/scripts bash: cd: /klipper/scripts: No such file or directory pi@rk3318-box:~$ cd /klipper bash: cd: /klipper: No such file or directory pi@rk3318-box:~$ ls crowsnest kiauh-backups klippy-env OctoPrint fluidd klipper moonraker printer_data fluidd-config KlipperScreen moonraker-env timelapse kiauh klipper_tmc_autotune moonraker-timelapse pi@rk3318-box:~$ cd klipper pi@rk3318-box:~/klipper$ ls config COPYING docs klippy lib Makefile README.md scripts src test pi@rk3318-box:~/klipper$ cd scripts/ pi@rk3318-box:~/klipper/scripts$ ls avrsim.py flash-sdcard.sh klipper-mcu.service buildcommands.py flash_usb.py klipper-pru-start.sh calibrate_shaper.py graph_accelerometer.py klipper-start.sh canbus_query.py graph_extruder.py klipper-uninstall.sh check-gcc.sh graph_motion.py klippy-requirements.txt checkstack.py graph_shaper.py logextract.py check_whitespace.py graphstats.py make_version.py check_whitespace.sh graph_temp_sensor.py motan ci-build.sh install-arch.sh parsecandump.py ci-install.sh install-beaglebone.sh spi_flash Dockerfile install-centos.sh stepstats.py dump_mcu.py install-debian.sh test_klippy.py flash-ar100.py install-octopi.sh update_chitu.py flash-linux.sh install-ubuntu-18.04.sh update_mks_robin.py flash-pru.sh install-ubuntu-22.04.sh whconsole.py pi@rk3318-box:~/klipper/scripts$
06-30
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