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stm32: fix setting uart databits

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This commit is contained in:
Andres Vahter
2023-10-23 22:40:24 +03:00
parent 591612db7e
commit 188ee59ba6
1 changed files with 8 additions and 4 deletions
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12
embassy-stm32/src/usart/mod.rs
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@@ -910,6 +910,11 @@ fn configure(
brr + rounding brr + rounding
} }
// UART must be disabled during configuration.
r.cr1().modify(|w| {
w.set_ue(false);
});
#[cfg(not(usart_v1))] #[cfg(not(usart_v1))]
let mut over8 = false; let mut over8 = false;
let mut found_brr = None; let mut found_brr = None;
@@ -977,10 +982,9 @@ fn configure(
// enable receiver // enable receiver
w.set_re(enable_rx); w.set_re(enable_rx);
// configure word size // configure word size
w.set_m0(if config.parity != Parity::ParityNone { w.set_m0(match config.data_bits {
vals::M0::BIT9 DataBits::DataBits8 => vals::M0::BIT8,
} else { DataBits::DataBits9 => vals::M0::BIT9,
vals::M0::BIT8
}); });
// configure parity // configure parity
w.set_pce(config.parity != Parity::ParityNone); w.set_pce(config.parity != Parity::ParityNone);