[riot-notifications] [RIOT-OS/RIOT] net/lorawan : Expose configurations to Kconfig (#15507)
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Wed Jan 6 16:55:27 CET 2021
@jia200x commented on this pull request.
+ int "Link check interval (in seconds)" if LORAMAC_ADVANCED_OPTIONS
+ depends on USEMODULE_RN2XX3
+ default 0
+ Configure the default link check interval (in seconds). 0 means the link
+ check process is disabled. The link check process is used by an
+ end-device to validate its connectivity with the network. The frame has
+ no payload. When a `LinkCheckReq` is received by the network server via
+ one or multiple gateways, it responds with a `LinkCheckAns` MAC command.
+ int "RX1 window delay (in milliseconds)" if LORAMAC_ADVANCED_OPTIONS
+ depends on USEMODULE_GNRC_LORAWAN || USEMODULE_RN2XX3
+ default 1000
No, this is the time between the last bit of the uplink packet (at the gateway) and the moment the node opens the first RX window. Network latency is not considered, since the gateway timestamps the uplink frames.
This is simply used to know at what time the RX window has to be open. For the node, this is the time between the TX_DONE event and the SPI command that puts the radio in LISTEN.
> https://avbentem.github.io/airtime-calculator/ttn/eu868/52,12 > to calculate the TOA, assuming an overhead size of 15 bytes in each packet.
It gives me 2,957.3 seconds for that. Did you check the "airtime"?
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