IO::Modbus::ADU Struct Reference

#include <ADU.h>

Collaboration diagram for IO::Modbus::ADU:

Public Member Functions
Prepare outgoing packet
The slaveAddress and pdu fields must be correctly initialised. Return values size_t Size of ADU, 0 on error
size_t	prepareRequest ()
size_t	prepareResponse ()
Parse a received packet
Parameters receivedSize How much data was received Return values ErrorCode Result of parsing
ErrorCode	parseRequest (size_t receivedSize)
ErrorCode	parseResponse (size_t receivedSize)

Public Attributes
union {
struct {
uint8_t   slaveAddress
PDU   pdu
}
uint8_t   buffer [MaxSize]
};

Static Public Attributes
static constexpr uint8_t	BROADCAST_ADDRESS {0x00}
static constexpr size_t	MinSize {4}
static constexpr size_t	MaxSize {256}

Member Function Documentation

parseRequest()

ErrorCode IO::Modbus::ADU::parseRequest

(

size_t

receivedSize

)

parseResponse()

ErrorCode IO::Modbus::ADU::parseResponse

(

size_t

receivedSize

)

prepareRequest()

size_t IO::Modbus::ADU::prepareRequest

(

)

prepareResponse()

size_t IO::Modbus::ADU::prepareResponse

(

)

Member Data Documentation

union { ... }

BROADCAST_ADDRESS

constexpr uint8_t IO::Modbus::ADU::BROADCAST_ADDRESS {0x00}

staticconstexpr

buffer

uint8_t IO::Modbus::ADU::buffer[MaxSize]

MaxSize

constexpr size_t IO::Modbus::ADU::MaxSize {256}

staticconstexpr

MinSize

constexpr size_t IO::Modbus::ADU::MinSize {4}

staticconstexpr

pdu

PDU IO::Modbus::ADU::pdu

slaveAddress

uint8_t IO::Modbus::ADU::slaveAddress

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The documentation for this struct was generated from the following file:

• ADU.h