Enum EncodeError 

pub enum EncodeError {
    BufferTooSmall {
        required: usize,
        available: usize,
    },
    PduTooLarge {
        length: usize,
        maximum: usize,
    },
    QuantityOutOfRange {
        quantity: u16,
    },
    ByteCountMismatch {
        declared: usize,
        actual: usize,
    },
    ByteCountOutOfRange {
        count: usize,
        minimum: usize,
        maximum: usize,
    },
    InvalidReferenceType(u8),
    InvalidFileRecordLength {
        length: usize,
    },
    FileRecordOutOfRange {
        file_number: u16,
        record_number: u16,
        record_length: u16,
    },
    InvalidDiagnosticDataLength {
        length: usize,
    },
}

Errors that can occur when encoding a Modbus PDU.

Variants

BufferTooSmall

Provided buffer is too small.

Fields

required: usize

Required buffer size.

available: usize

Available buffer size.

PduTooLarge

Encoded PDU would exceed the Modbus maximum of 253 bytes.

Fields

length: usize

Encoded PDU length.

maximum: usize

Maximum allowed PDU length.

QuantityOutOfRange

Quantity exceeds protocol limits.

Fields

quantity: u16

The invalid quantity value.

ByteCountMismatch

Declared byte count does not match the payload length.

Fields

declared: usize

Declared byte count.

actual: usize

Actual payload length.

ByteCountOutOfRange

Byte count is outside the allowed range for this function code.

Fields

count: usize

The invalid byte count.

minimum: usize

The minimum allowed byte count.

maximum: usize

The maximum allowed byte count.

InvalidReferenceType(u8)

File sub-request reference type is not 6.

InvalidFileRecordLength

Packed file-record data cannot be split into valid sub-record groups.

Fields

length: usize

Invalid packed file-record byte length.

FileRecordOutOfRange

File-record address fields are outside the Modbus file-record model.

Fields

file_number: u16

File number.

record_number: u16

Starting record number.

record_length: u16

Number of records.

InvalidDiagnosticDataLength

Diagnostics data is not an even number of bytes.

Fields

length: usize

Invalid diagnostics data length.

Trait Implementations

impl Clone for EncodeError

fn clone(&self) -> EncodeError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for EncodeError

impl Debug for EncodeError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for EncodeError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for EncodeError

impl Error for EncodeError

Available on crate feature std only.

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for EncodeError

fn eq(&self, other: &EncodeError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for EncodeError