[riot-notifications] [RIOT-OS/RIOT] net/lorawan : Expose configurations to Kconfig (#15507)

Akshai M (Augustus Diode) notifications at github.com
Wed Jan 6 14:50:55 CET 2021

@akshaim commented on this pull request.

> +
+    int "Link check interval (in seconds)" if LORAMAC_ADVANCED_OPTIONS
+    depends on USEMODULE_RN2XX3
+    default 0
+    help
+        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
+    default 1000

As per LoRaWAN Spec, this is supposed to be 1s. When it comes to range, the rationale is hard to define. Say for a 64byte  packet size (usually the maximum packet size in public nw's) in DR0(SF12/BW125) in EU868, the airtime will be ~9s. However, a packet with a theoretical maximum of 238 bytes needs  ~853 seconds airtime. Hence I don't think range makes sense here.

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