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89 lines
3.6 KiB
Plaintext
89 lines
3.6 KiB
Plaintext
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# Copyright (c) 2020 Freie Universitaet Berlin
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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menuconfig KCONFIG_MODULE_ASYMCUTE
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bool "Configure Asymcute"
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depends on MODULE_ASYMCUTE
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help
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Configure Asymcute using Kconfig.`Asymcute` is a asynchronous MQTT-SN
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client implementation, aiming at providing the user a high degree of
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flexibility. It provides a flexible interface that allows users to issue
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any number of concurrent requests to one or more different gateways
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simultaneously.
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if KCONFIG_MODULE_ASYMCUTE
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config ASYMCUTE_BUFSIZE_EXP
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int "Exponent for the buffer size (resulting in the buffer size 2^n)"
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default 7
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help
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As the buffer size ALWAYS needs to be power of two, this option
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represents the exponent of 2^n, which will be used as the size of the
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buffer ('ASYMCUTE_BUFSIZE'). Default value is 7 which corresponds to a
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buffer size of 128.
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config ASYMCUTE_TOPIC_MAXLEN
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int "Maximum topic length"
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default 32
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help
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Configure maximum length for client's topic. The value must be less than
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(256 - 8) and less than ('ASYMCUTE_BUFSIZE' - 8).
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config ASYMCUTE_KEEPALIVE
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int "Keep alive interval in seconds"
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range 300 $(UINT32_MAX)
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default 360
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help
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Configure 'CONFIG_ASYMCUTE_KEEPALIVE', keep alive interval in seconds
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which is communicated to the gateway in the CONNECT message. For more
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information, see MQTT-SN Spec v1.2, section 5.4.4. For default values,
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see section 7.2 -> TWAIT: > 5 min. Default value is 360 seconds which
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corresponds to 6 minutes.
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config ASYMCUTE_KEEPALIVE_PING_EN
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bool "Enable configuration of keep alive ping"
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help
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Enable configuration of 'CONFIG_ASYMCUTE_KEEPALIVE_PING', keep alive
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ping interval. If not enabled, 'CONFIG_ASYMCUTE_KEEPALIVE_PING' will
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default to three quarters of 'CONFIG_ASYMCUTE_KEEPALIVE', keep alive
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interval.
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config ASYMCUTE_KEEPALIVE_PING
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int "Keep alive ping interval in seconds"
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default 270
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depends on ASYMCUTE_KEEPALIVE_PING_EN
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help
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Configure 'CONFIG_ASYMCUTE_KEEPALIVE_PING', interval used by client for
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sending periodic keep alive ping messages to the gateway. The value must
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be less than 'CONFIG_ASYMCUTE_KEEPALIVE'.
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config ASYMCUTE_T_RETRY
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int "Retry timer in seconds"
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range 10 15
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default 10
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help
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Configure 'CONFIG_ASYMCUTE_T_RETRY', interval used for timing the retry
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messages which are sent when the expected reply from GW is not received.
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The retry timer is started by the client when the message is sent and
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stopped when the expected reply from GW is received. If the timer times
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out and the expected GW’s reply is not received, the client retransmits
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the message. For more information, see MQTT-SN Spec v1.2, section 6.13.
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For default values, see section 7.2 -> Tretry: 10 to 15 sec.
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config ASYMCUTE_N_RETRY
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int "Maximum number of retransmissions"
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range 3 5
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default 3
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help
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Configure 'CONFIG_ASYMCUTE_N_RETRY',the maximum number of retransmissions
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in the event that the retry timer times out. After 'CONFIG_ASYMCUTE_N_RETRY'
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number of retransmissions, the client aborts the procedure and assumes
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that its MQTT-SN connection to the gateway is disconnected. For more
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information, see MQTT-SN Spec v1.2, section 6.13. For default values,
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see section 7.2 -> Nretry: 3-5.
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endif # KCONFIG_MODULE_ASYMCUTE
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