Make CRSF telemetry accessible over WIFI as UDP broadcast#211
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xNuclearSquirrel wants to merge 3 commits intoExpressLRS:masterfrom
Open
Make CRSF telemetry accessible over WIFI as UDP broadcast#211xNuclearSquirrel wants to merge 3 commits intoExpressLRS:masterfrom
xNuclearSquirrel wants to merge 3 commits intoExpressLRS:masterfrom
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Oh and it works with GCS that support CRSF telemetry natively, such as MWPtools. |
Allain18
reviewed
Feb 20, 2026
| if (config.GetTelemMode() == BACKPACK_TELEM_MODE_WIFI) | ||
| { | ||
| sendMSPViaWiFiUDP(packet); | ||
| sendMSPViaEspnow(packet); |
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Just check it on my pocket, when in WIFI espnow packets are not send. So no need to keep this line
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Ok, good to know. I left it in since it was like that previously, in case that was an intentional choice.
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This PR adds access to CRSF telemetry over Wi-Fi, which currently only works for MAVLink while CRSF telemetry is only available over ESP-NOW.
This is a minimal implementation that broadcasts CRSF telemetry packets via UDP. It reuses the existing Wi-Fi/MAVLink networking path and uses
mavlinkUDP.write()onMavlinkSendPort.UDP broadcast is active when telemetry mode is set to
WIFIin the ELRS Lua script.This should not interfere with MAVLink in normal use, since CRSF and MAVLink telemetry are not used at the same time as far as I know. I could not test how it behaves with real ESP-NOW receivers since I don't have the hardware.
Previously, ESP-NOW was active whenever telemetry mode was not
OFF(so even when set toWIFI). I kept this behavior in place and added UDP broadcast. The behavior is now:WIFI: CRSF telemetry is sent via ESP-NOW and UDP broadcast.ESP-NOW: CRSF telemetry is sent via ESP-NOW only.OFF: no telemetry forwarding.In my tests, this works in both AP and STA mode. I can receive the packets over UDP and parse/display telemetry fields successfully.