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stm32 uart: return error if rx and tx not enabled

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This commit is contained in:
Andres Vahter 2023-10-23 22:39:24 +03:00
parent e895ea2d8b
commit 591612db7e
1 changed files with 2 additions and 1 deletions
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3
embassy-stm32/src/usart/mod.rs
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@ -108,6 +108,7 @@ pub enum StopBits {
pub enum ConfigError { pub enum ConfigError {
BaudrateTooLow, BaudrateTooLow,
BaudrateTooHigh, BaudrateTooHigh,
RxOrTxNotEnabled,
} }
#[non_exhaustive] #[non_exhaustive]
@ -866,7 +867,7 @@ fn configure(
enable_tx: bool, enable_tx: bool,
) -> Result<(), ConfigError> { ) -> Result<(), ConfigError> {
if !enable_rx && !enable_tx { if !enable_rx && !enable_tx {
panic!("USART: At least one of RX or TX should be enabled"); return Err(ConfigError::RxOrTxNotEnabled);
} }
#[cfg(not(usart_v4))] #[cfg(not(usart_v4))]