StandardCodec

embedded_interfaces::registers::i2c::codecs::standard_codec

Struct StandardCodec 

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pub struct StandardCodec<const HEADER_SIZE: usize> {}
Expand description

This codec represents the most commonly found codecs for I2C devices. The main variable is the size of register addresses in bytes.

This codec has no information over register sizes or the existence of read/write address-auto-increment which some devices support. It will always send one header and then receive/send the associated register data, so it’s compatible with auto-increment usage, but cannot be used to read or write registers that require interspersing the address between bytes.

Devices often use a mixed mode, where some registers allow auto-increment while others don’t, or where the address is directly associated with a specific, but varying, register size. Therefore, it is up to the user to make sure that accessing a register via this codec is supported by the hardware.

The following generic parameters are available:

ParameterTypeDescription
HEADER_SIZEusizeThe size of the command header (register address) in bytes

Trait Implementations§

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impl<const HEADER_SIZE: usize> CodecAsync for StandardCodec<HEADER_SIZE>

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async fn read_register<R, I, A>( bound_bus: &mut I2cBoundBusAsync<I, A>, ) -> Result<R, TransportError<Self::Error, I::Error>>
where R: Register<CodecError = Self::Error> + ReadableRegister, I: I2c<A> + ErrorType, A: AddressMode + Copy + Debug,

Read this register through the given I2C interface.
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async fn write_register<R, I, A>( bound_bus: &mut I2cBoundBusAsync<I, A>, register: impl AsRef<R>, ) -> Result<(), TransportError<Self::Error, I::Error>>
where R: Register<CodecError = Self::Error> + WritableRegister, I: I2c<A> + ErrorType, A: AddressMode + Copy + Debug,

Write this register through the given I2C interface.
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impl<const HEADER_SIZE: usize> CodecSync for StandardCodec<HEADER_SIZE>

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fn read_register<R, I, A>( bound_bus: &mut I2cBoundBusSync<I, A>, ) -> Result<R, TransportError<Self::Error, I::Error>>
where R: Register<CodecError = Self::Error> + ReadableRegister, I: I2c<A> + ErrorType, A: AddressMode + Copy + Debug,

Read this register through the given I2C interface.
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fn write_register<R, I, A>( bound_bus: &mut I2cBoundBusSync<I, A>, register: impl AsRef<R>, ) -> Result<(), TransportError<Self::Error, I::Error>>
where R: Register<CodecError = Self::Error> + WritableRegister, I: I2c<A> + ErrorType, A: AddressMode + Copy + Debug,

Write this register through the given I2C interface.
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impl<const HEADER_SIZE: usize> Default for StandardCodec<HEADER_SIZE>

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fn default() -> StandardCodec<HEADER_SIZE>

Returns the “default value” for a type. Read more
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impl<const HEADER_SIZE: usize> RegisterCodec for StandardCodec<HEADER_SIZE>

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type Error = ()

An error type for codec specific errors

Auto Trait Implementations§

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impl<const HEADER_SIZE: usize> Freeze for StandardCodec<HEADER_SIZE>

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impl<const HEADER_SIZE: usize> RefUnwindSafe for StandardCodec<HEADER_SIZE>

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impl<const HEADER_SIZE: usize> Send for StandardCodec<HEADER_SIZE>

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impl<const HEADER_SIZE: usize> Sync for StandardCodec<HEADER_SIZE>

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impl<const HEADER_SIZE: usize> Unpin for StandardCodec<HEADER_SIZE>

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impl<const HEADER_SIZE: usize> UnwindSafe for StandardCodec<HEADER_SIZE>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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Returns the argument unchanged.

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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where R: 'a,

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Mutably borrows self and passes that borrow into the pipe function. Read more
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Borrows self, then passes self.as_ref() into the pipe function.
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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

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fn tap(self, func: impl FnOnce(&Self)) -> Self

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Mutable access to a value. Read more
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