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spi_slave: auto deselect chip

This commit is contained in:
occheung 2020-08-18 15:25:32 +08:00
parent 8547610661
commit 6e6e500f8a
1 changed files with 3 additions and 1 deletions
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4
src/spi_slave.rs
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@ -49,7 +49,9 @@ where
fn transfer<'w>(&mut self, words: &'w mut[u8]) -> Result<&'w [u8], Self::Error> {
self.0.do_on_get_ref_mut_data(move |mut dev| {
dev.select_chip(self.1);
dev.spi.transfer(words).map_err(Error::SPI)
let result = dev.spi.transfer(words).map_err(Error::SPI);
dev.select_chip(0);
result
})
}
}