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        "author": "Chris Siedell",
        "author_email": "chris@siedell.com",
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            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python :: 3"
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        "description": "# Crow Serial Protocol Implementation\n\nStatus: **experimental**\n\nThe Crow protocol is designed to allow a PC to control several microcontrollers using a single\nserial line. The protocol itself has a simple half-duplex, command/response format with basic\nerror checking provided by Fletcher-16 checksums.\n\nIn Crow, the top-level software that generates commands is called a *client*. The client runs on the *host*, and\nit passes the command to a *host implementation*. The host implementation creates a command packet\nand sends it over the serial line. A *device implementation* receives the packet and then passes the command\nto a *service* running on that *device*. The service performs the command and may send a response,\ndepending on the circumstances.\n\nA *command* has the following properties:\n- address: 1-31 for a specific device, or 0 to broadcast to all devices.\n- port: 0-255, where open ports are registered to specific services.\n- response expected: if true, the host will wait for a response; if false, the device must not respond.\n- payload: 0-2047 bytes of binary data.\n\nA *response* has just one property, the payload, which is also 0-2047 bytes of binary data.\n\n----\n\nThis project contains a host implementation as well as a Crow admin client.\n\nThe Crow admin client can be used to send the commands `ping`, `echo`, `host_presence`,\n`get_device_info`, `get_open_ports`, and `get_port_info`.",
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            "Source": "https://github.com/chris-siedell/PyCrow"
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