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fix: disable LBT phase-2 optimisation for loramac-node sx127x backend #31

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fix: disable LBT phase-2 optimisation for loramac-node sx127x backend #31

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9 changes: 5 additions & 4 deletions zephcore/adapters/radio/LoRaRadioBase.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -511,10 +511,11 @@ bool LoRaRadioBase::startSendRaw(const uint8_t *bytes, int len)
* isReceiving() returns false during the CAD window because _tx_active
* is set above — no extra gating needed.
*
* cad.mode = LBT is set unconditionally in buildModemConfig() today;
* the `lbt` flag is a placeholder for any future Kconfig that toggles
* the behaviour. */
const bool lbt = true;
* The loramac-node sx127x backend uses a plain modem_acquire/release
* mutex — there is no phase-2 path. lora_config() returns -EBUSY if
* called while async RX holds the mutex, so we must always cancel RX
* first. Disable the LBT optimisation for that backend. */
const bool lbt = !_loramac_node;

if (!lbt) {
atomic_set(&_in_recv_mode, 0);
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