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Merged
merged 5 commits into from
Oct 23, 2025
Merged

Release 0.6.1 #50

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fd1ba03
Implement a read_write_in_place method for in-place transfers
jannic Oct 21, 2025
e0969a4
Use a better reference allowing to share rx/tx buffers
jannic Oct 22, 2025
0c0531c
Add changelog entry
sirhcel Oct 23, 2025
f556ffc
Prepare release 0.6.1
sirhcel Oct 23, 2025
4c960d2
Bump version for next release cycle
sirhcel Oct 23, 2025
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12 changes: 11 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -2,7 +2,17 @@

## Not yet released

[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.0...HEAD)
[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.1...HEAD)

## 0.6.1 / 2025-10-23

[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.0...0.6.1)

- Backport `read_write_in_place` from [#49](https://github.com/rust-embedded/rust-spidev/pull/49)
for fixing
[linux-embedded-hal/#120](https://github.com/rust-embedded/linux-embedded-hal/issues/120)
with a patch release


## 0.6.0 / 2023-08-03

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2 changes: 1 addition & 1 deletion Cargo.toml
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@@ -1,7 +1,7 @@
[package]

name = "spidev"
version = "0.6.0"
version = "0.6.2-alpha.0"
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This looks wrong for the 0.6.1 release. Or am I somehow misunderstanding the release process?

Suggested change
version = "0.6.2-alpha.0"
version = "0.6.1"

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@sirhcel sirhcel Oct 23, 2025 •
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Version 0.6.1 is set with 3e9b3b2. This is the revision I planned for tagging release 0.6.1 and releasing to crates.io from.

For the time after 0.6.1 ee8a1e5 attempts to cleanly state that the code in question is no longer 0.6.1 and there is less room for confusion.

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Ah ok, that wasn't obvious when viewing the changes.

So this MR should be merged in "rebase and merge" mode, because "squash and merge" would destroy the intermediate commit, and the default mode "merge pull request" would create a slightly confusing commit history, right?

authors = [
"Paul Osborne <osbpau@gmail.com>",
"The Embedded Linux Team <embedded-linux@teams.rust-embedded.org>"
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13 changes: 13 additions & 0 deletions src/spidevioctl.rs
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Expand Up @@ -108,6 +108,19 @@ impl<'a, 'b> spi_ioc_transfer<'a, 'b> {
}
}

/// Create a read/write transfer using the same buffer for reading
/// and writing (in-place transfer).
pub fn read_write_in_place(buf: &'a mut [u8]) -> Self {
// This is allowed according to a comment in the linux source tree:
// https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/spi/spidev.rst?id=211ddde0823f1442e4ad052a2f30f050145ccada#n191
spi_ioc_transfer {
rx_buf: buf.as_ptr() as *const () as usize as u64,
tx_buf: buf.as_ptr() as *const () as usize as u64,
len: buf.len() as u32,
..Default::default()
}
}

/// Create a delay transfer of a number of microseconds
pub fn delay(microseconds: u16) -> Self {
spi_ioc_transfer {
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