ot::Mac::SubMac::Send() method

Sends a prepared frame. The frame should be placed in `GetTransmitFrame()` frame. The `SubMac` layer handles Ack timeout, CSMA backoff, and frame retransmission.

Syntax

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Summary

Declaration

Definition

from sub_mac.hpp:327

Error Send(void);

Implemented in sub_mac.cpp:303

Return value

kErrorNone Successfully started the frame transmission kErrorInvalidState The radio was disabled or transmitting.

References

Code

Location

Error SubMac::Send(void)

sub_mac.cpp:303

Error Send(void);

sub_mac.hpp:327

Call Tree

ot::Mac::SubMac::Send() calls 2 functions:

ot::Mac::SubMac::Send()

ot::Mac::SubMac::ProcessTransmitSecurity()

ot::Mac::SubMac::StartCsmaBackoff()

Data Use

ot::Mac::SubMac::Send() reads 12 variables and writes 3 variables:

ot::Mac::SubMac::kRetxDelayMinBackoffExponent

ot::Mac::SubMac::State::kStateDisabled

ot::Mac::SubMac::State::kStateSleep

ot::Mac::SubMac::State::kStateReceive

ot::Mac::SubMac::State::kStateCsmaBackoff

ot::Mac::SubMac::State::kStateTransmit

ot::Mac::SubMac::State::kStateEnergyScan

ot::Mac::SubMac::State::kStateDelayBeforeRetx

ot::Mac::SubMac::State::kStateCslTransmit

ot::kErrorNone

ot::kErrorInvalidState

ot::Mac::SubMac::mState

ot::Mac::SubMac::Send()

ot::Mac::SubMac::mCsmaBackoffs

ot::Mac::SubMac::mTransmitRetries

ot::Mac::SubMac::mRetxDelayBackOffExponent

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