SourceVuESP-IDF Framework and ExamplesESP-IDFotCoapTxParameters::mAckTimeout

otCoapTxParameters::mAckTimeout field

Minimum spacing before first retransmission when ACK is not received, in milliseconds (RFC7252 default value is 2000ms).

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Referrer

uint32_t mAckTimeout;

coap.h:448

SuccessOrExit(error = aArgs[1].ParseAsUint32(txParameters->mAckTimeout));

cli_coap.cpp:410

ot::Cli::Coap

ot::Cli::Coap::Process()

OutputLine("ACK_TIMEOUT=%lu ms, ACK_RANDOM_FACTOR=%u/%u, MAX_RETRANSMIT=%u", ToUlong(txParameters->mAckTimeout),

cli_coap.cpp:430

ot::Cli::Coap

ot::Cli::Coap::Process()

(mAckTimeout >= OT_COAP_MIN_ACK_TIMEOUT) && (mMaxRetransmit <= OT_COAP_MAX_RETRANSMIT))

coap.cpp:1605

ot::Coap::TxParameters

ot::Coap::TxParameters::IsValid() const

uint32_t tmp = Multiply(mAckTimeout, (1U << (mMaxRetransmit + 1)) - 1);

coap.cpp:1608

ot::Coap::TxParameters

ot::Coap::TxParameters::IsValid() const

rval = (tmp != 0 && (tmp + mAckTimeout + 2 * kDefaultMaxLatency) > tmp);

coap.cpp:1613

ot::Coap::TxParameters

ot::Coap::TxParameters::IsValid() const

mAckTimeout, mAckTimeout * mAckRandomFactorNumerator / mAckRandomFactorDenominator + 1);

coap.cpp:1622

ot::Coap::TxParameters

ot::Coap::TxParameters::CalculateInitialRetransmissionTimeout() const

return CalculateSpan(mMaxRetransmit) + 2 * kDefaultMaxLatency + mAckTimeout;

coap.cpp:1628

ot::Coap::TxParameters

ot::Coap::TxParameters::CalculateExchangeLifetime() const

return static_cast<uint32_t>(mAckTimeout * ((1U << aMaxRetx) - 1) / mAckRandomFactorDenominator *

coap.cpp:1635

ot::Coap::TxParameters

ot::Coap::TxParameters::CalculateSpan() const

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Data Use

otCoapTxParameters::mAckTimeout is read by 5 functions:

otCoapTxParameters::mAckTimeout

ot::Coap::TxParameters::IsValid() const

ot::Coap::TxParameters::CalculateInitialRetransmissionTimeout() const

ot::Coap::TxParameters::CalculateExchangeLifetime() const

ot::Coap::TxParameters::CalculateSpan() const

ot::Cli::Coap::Process()

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otCoapTxParameters::mAckTimeout field

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