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fix(dispatcher): wake the loop for zero-delay sends

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Companion BLE/USB direct & zero-hop sends enqueue with delay 0 from
sysworkq, off the main loop. Since 57b971f dropped the per-frame RX
wake, fire the tx-queued callback for delay 0 too so they actually
drain (USB companion has no tx-idle backstop and would stall).
This commit is contained in:
liquidraver
2026-05-31 15:36:41 +02:00
parent ab89cdd6d4
commit ec982ca15f
1 changed files with 8 additions and 1 deletions
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zephcore/src/Dispatcher.cpp
+8 -1
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@@ -510,7 +510,14 @@ void Dispatcher::sendPacket(Packet *packet, uint8_t priority, uint32_t delay_mil
_mgr->free(packet);
} else {
_mgr->queueOutbound(packet, priority, futureMillis((int)delay_millis));
if (_tx_queued_cb && delay_millis > 0) {
/* Fire the wake callback even for delay_millis == 0. Companion
* BLE/USB-driven direct & zero-hop sends enqueue with delay 0 from
* sysworkq — off the main loop — and the per-frame RX wake was
* removed in 57b971f, so without this they have no drain signal
* (USB companion has no tx-idle backstop). The callback reschedules
* tx_drain_work with K_MSEC(0) → immediate drain; redundant but
* harmless when sendPacket is already called from the main loop. */
if (_tx_queued_cb) {
_tx_queued_cb(delay_millis, _tx_queued_user_data);
}
}