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refactor: move tx duty cycle check to function

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As a preparation to make the tx duty cycle check more precise, we move
it into a function.
This commit is contained in:
Felix Moessbauer 2026-03-28 12:25:31 +01:00 • committed by Felix Moessbauer
parent 856df241ee
commit 7c1dfd9a95
2 changed files with 17 additions and 8 deletions
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18
src/Dispatcher.cpp
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@ -271,19 +271,21 @@ void Dispatcher::processRecvPacket(Packet* pkt) {
}
}
void Dispatcher::checkSend() {
if (_mgr->getOutboundCount(_ms->getMillis()) == 0) return;
updateTxBudget();
uint32_t est_airtime = _radio->getEstAirtimeFor(MAX_TRANS_UNIT);
void Dispatcher::ensureTxDutyCycle(int tx_len) {
uint32_t est_airtime = _radio->getEstAirtimeFor(tx_len);
if (tx_budget_ms < est_airtime / MIN_TX_BUDGET_AIRTIME_DIV) {
float duty_cycle = 1.0f / (1.0f + getAirtimeBudgetFactor());
unsigned long needed = est_airtime / MIN_TX_BUDGET_AIRTIME_DIV - tx_budget_ms;
next_tx_time = futureMillis((unsigned long)(needed / duty_cycle));
return;
}
}
void Dispatcher::checkSend() {
if (_mgr->getOutboundCount(_ms->getMillis()) == 0) return;
updateTxBudget();
ensureTxDutyCycle(MAX_TRANS_UNIT);
if (!millisHasNowPassed(next_tx_time)) return;
if (_radio->isReceiving()) {
if (cad_busy_start == 0) {

7
src/Dispatcher.h
View file

@ -195,6 +195,13 @@ public:
private:
bool tryParsePacket(Packet* pkt, const uint8_t* raw, int len);
/**
* \brief ensure the next tx time obeys the duty cycle
*
* Internally this updates the next_tx_time so that the Tx
* is executed by earliest the next allowed time slot.
*/
void ensureTxDutyCycle(int tx_len);
void checkRecv();
void checkSend();
};