Struct microbit::hal::twim::Twim [−][src]
pub struct Twim<T>(_);
Expand description
Interface to a TWIM instance.
This is a very basic interface that comes with the following limitation:
The TWIM instances share the same address space with instances of SPIM,
SPIS, SPI, TWIS, and TWI. For example, TWIM0 conflicts with SPIM0, SPIS0,
etc.; TWIM1 conflicts with SPIM1, SPIS1, etc. You need to make sure that
conflicting instances are disabled before using Twim
. Please refer to the
product specification for more information (section 15.2 for nRF52832,
section 6.1.2 for nRF52840).
Implementations
impl<T> Twim<T> where
T: Instance,
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impl<T> Twim<T> where
T: Instance,
[src]pub fn new(twim: T, pins: Pins, frequency: FREQUENCY_A) -> Twim<T>
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pub fn disable(&mut self)
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pub fn disable(&mut self)
[src]Disable the instance.
Disabling the instance will switch off the peripheral leading to a considerably lower energy use. However, while the instance is disabled it is not possible to use it for communication. The configuration of the instance will be retained.
pub fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Error>
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pub fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Error>
[src]Write to an I2C slave.
The buffer must have a length of at most 255 bytes on the nRF52832 and at most 65535 bytes on the nRF52840.
pub fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Error>
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pub fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Error>
[src]Read from an I2C slave.
The buffer must have a length of at most 255 bytes on the nRF52832 and at most 65535 bytes on the nRF52840.
pub fn write_then_read(
&mut self,
address: u8,
wr_buffer: &[u8],
rd_buffer: &mut [u8]
) -> Result<(), Error>
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pub fn write_then_read(
&mut self,
address: u8,
wr_buffer: &[u8],
rd_buffer: &mut [u8]
) -> Result<(), Error>
[src]Write data to an I2C slave, then read data from the slave without triggering a stop condition between the two.
The buffers must have a length of at most 255 bytes on the nRF52832 and at most 65535 bytes on the nRF52840.
pub fn copy_write_then_read(
&mut self,
address: u8,
wr_buffer: &[u8],
rd_buffer: &mut [u8]
) -> Result<(), Error>
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pub fn copy_write_then_read(
&mut self,
address: u8,
wr_buffer: &[u8],
rd_buffer: &mut [u8]
) -> Result<(), Error>
[src]Copy data into RAM and write to an I2C slave, then read data from the slave without triggering a stop condition between the two.
The write buffer must have a length of at most 255 bytes on the nRF52832 and at most 1024 bytes on the nRF52840.
The read buffer must have a length of at most 255 bytes on the nRF52832 and at most 65535 bytes on the nRF52840.
Trait Implementations
Auto Trait Implementations
impl<T> Send for Twim<T> where
T: Send,
T: Send,
impl<T> Sync for Twim<T> where
T: Sync,
T: Sync,
impl<T> Unpin for Twim<T> where
T: Unpin,
T: Unpin,
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<T> CheckedAs for T
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impl<T> CheckedAs for T
[src]pub fn checked_as<Dst>(self) -> Option<Dst> where
T: CheckedCast<Dst>,
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pub fn checked_as<Dst>(self) -> Option<Dst> where
T: CheckedCast<Dst>,
[src]Casts the value.
impl<Src, Dst> LosslessTryInto<Dst> for Src where
Dst: LosslessTryFrom<Src>,
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impl<Src, Dst> LosslessTryInto<Dst> for Src where
Dst: LosslessTryFrom<Src>,
[src]pub fn lossless_try_into(self) -> Option<Dst>
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pub fn lossless_try_into(self) -> Option<Dst>
[src]Performs the conversion.
impl<Src, Dst> LossyInto<Dst> for Src where
Dst: LossyFrom<Src>,
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impl<Src, Dst> LossyInto<Dst> for Src where
Dst: LossyFrom<Src>,
[src]pub fn lossy_into(self) -> Dst
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pub fn lossy_into(self) -> Dst
[src]Performs the conversion.
impl<T> OverflowingAs for T
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impl<T> OverflowingAs for T
[src]pub fn overflowing_as<Dst>(self) -> (Dst, bool) where
T: OverflowingCast<Dst>,
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pub fn overflowing_as<Dst>(self) -> (Dst, bool) where
T: OverflowingCast<Dst>,
[src]Casts the value.
impl<T> Same<T> for T
impl<T> Same<T> for T
type Output = T
type Output = T
Should always be Self
impl<T> SaturatingAs for T
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impl<T> SaturatingAs for T
[src]pub fn saturating_as<Dst>(self) -> Dst where
T: SaturatingCast<Dst>,
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pub fn saturating_as<Dst>(self) -> Dst where
T: SaturatingCast<Dst>,
[src]Casts the value.
impl<T> UnwrappedAs for T
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impl<T> UnwrappedAs for T
[src]pub fn unwrapped_as<Dst>(self) -> Dst where
T: UnwrappedCast<Dst>,
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pub fn unwrapped_as<Dst>(self) -> Dst where
T: UnwrappedCast<Dst>,
[src]Casts the value.
impl<T> WrappingAs for T
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impl<T> WrappingAs for T
[src]pub fn wrapping_as<Dst>(self) -> Dst where
T: WrappingCast<Dst>,
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pub fn wrapping_as<Dst>(self) -> Dst where
T: WrappingCast<Dst>,
[src]Casts the value.