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SourceVuESP-IDF Framework and ExamplesESP-IDFot::FrameData::ReadBytes()

ot::FrameData::ReadBytes() method

Reads a given number of bytes from the `FrameData`. If read successfully, the `FrameData` is updated to skip over the read content.

Syntax

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Summary

Declaration

Definition

from frame_data.hpp:135

Error ReadBytes(void *aBuffer, uint16_t aLength);

Implemented in frame_data.cpp:87

Arguments

Argument

Description

aBuffer

The buffer to copy the read bytes into.

aLength

Number of bytes to read.

Return value

kErrorNone Successfully read @p aLength bytes into @p aBuffer and skipped over them. kErrorParse Not enough bytes remaining to read @p aLength.

References

Code

Location

Scope

Referrer

Error FrameData::ReadBytes(void *aBuffer, uint16_t aLength)

frame_data.cpp:87

Error ReadBytes(void *aBuffer, uint16_t aLength);

frame_data.hpp:135

Error FrameData::ReadUint8(uint8_t &aUint8) { return ReadBytes(&aUint8, sizeof(uint8_t)); }

frame_data.cpp:41

ot::FrameData::ReadUint8()

SuccessOrExit(error = ReadBytes(&aUint16, sizeof(uint16_t)));

frame_data.cpp:47

ot::FrameData::ReadBigEndianUint16()

SuccessOrExit(error = ReadBytes(&aUint32, sizeof(uint32_t)));

frame_data.cpp:58

ot::FrameData::ReadBigEndianUint32()

SuccessOrExit(error = ReadBytes(&aUint16, sizeof(uint16_t)));

frame_data.cpp:69

ot::FrameData::ReadLittleEndianUint16()

SuccessOrExit(error = ReadBytes(&aUint32, sizeof(uint32_t)));

frame_data.cpp:80

ot::FrameData::ReadLittleEndianUint32()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetSource().mFields.m8 + 14, 2));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetDestination().mFields.m8 + 14, 2));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetDestination().mFields.m8 + 11, 5));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetDestination().mFields.m8 + 13, 3));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetDestination().mFields.m8 + 1, 2));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

SuccessOrExit(aFrameData.ReadBytes(aIp6Header.GetDestination().mFields.m8 + 12, 4));

ot::Lowpan::Lowpan

ot::Lowpan::Lowpan::DecompressBaseHeader()

Call Tree

ot::FrameData::ReadBytes() is called by 6 functions and calls 3 functions:

ot::FrameData::ReadUint8()

ot::FrameData::ReadBigEndianUint16()

ot::FrameData::ReadBigEndianUint32()

ot::FrameData::ReadLittleEndianUint16()

ot::FrameData::ReadLittleEndianUint32()

ot::Lowpan::Lowpan::DecompressBaseHeader()

ot::FrameData::ReadBytes()

ot::FrameData::CanRead() const

ot::FrameData::SkipOver()

ot::Data::GetBytes() const

Data Use

ot::FrameData::ReadBytes() reads 2 variables:

ot::kErrorParse

ot::FrameData::ReadBytes()

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