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update docs

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xoviat 2021-03-08 14:00:31 -06:00
parent f2ab4c4ec0
commit 5df6e57949
1 changed files with 3 additions and 3 deletions
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6
embassy-traits/src/spi.rs
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@ -8,12 +8,12 @@ use core::future::Future;
///
/// - It's the task of the user of this interface to manage the slave select lines
///
/// - Due to how full duplex SPI works each `try_read` call must be preceded by a `try_send` call.
/// - Due to how full duplex SPI works each `read` call must be preceded by a `write` call.
///
/// - `try_read` calls only return the data received with the last `try_send` call.
/// - `read` calls only return the data received with the last `write` call.
/// Previously received data is discarded
///
/// - Data is only guaranteed to be clocked out when the `try_read` call succeeds.
/// - Data is only guaranteed to be clocked out when the `read` call succeeds.
/// The slave select line shouldn't be released before that.
///
/// - Some SPIs can work with 8-bit *and* 16-bit words. You can overload this trait with different