list_serial_ports.py 文件源码

def run_router_app():
    """
    Do the probe/check of
    """

    # as of Mat-2016/FW=6.1, PySerial is version 2.6 (2.6-pre1)
    cs.CSClient().log(APP_NAME, "serial.VERSION = {}.".format(serial.VERSION))

    # probe_physical = True, set False to NOT probe real physical serial ports.
    # On models without physical ports, this setting is ignored.
    probe_physical = True

    # probe_usb = True, set False to NOT probe for USB serial ports.
    probe_usb = True

    # write_name = True, set False to NOT send out the port name, which is
    # sent to help you identify between multiple ports.
    write_name = False

    # probe_directory(app_base, "/dev")
    port_list = []

    # confirm we are running on an 1100/1150 or 900/950, result should be "IBR1100LPE"
    result = cs.CSClient().get("status/product_info/product_name").get('data')
    if "IBR1100" in result or "IBR1150" in result or "IBR900" in result or "IBR950" in result:
        name = "/dev/ttyS1"
        cs.CSClient().log(APP_NAME, "Product Model {} has 1 builtin port:{}".format(result, name))
        port_list.append(name)

    elif "IBR300" in result or "IBR350" in result:
        cs.CSClient().log(APP_NAME, "Product Model {} has no serial support".format(result))
        return -1

    if probe_physical:
        # fixed ports - 1100 only?
        if not IGNORE_TTYS0:
            # only check S0 if 'requested' to, else ignore
            name = "/dev/ttyS0"
            if name not in port_list:
                port_list.append(name)

        for port in PORT_LIST_PHYSICAL:
            name = "/dev/ttyS%d" % port
            if name not in port_list:
                port_list.append(name)

    if probe_usb:
        # try first 5 USB
        for port in PORT_LIST_USB:
            name = "/dev/ttyUSB%d" % port
            if name not in port_list:
                port_list.append(name)

    # cycle through and probe the desired ports
    for name in port_list:
        probe_serial(name, write_name)

    return 0