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Stm32 usart: better names for open drain pin modes

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This commit is contained in:
Anton Pöhl
2025-04-13 20:26:26 +02:00
parent de06406899
commit 94c208b52a
2 changed files with 8 additions and 8 deletions
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12
embassy-stm32/src/usart/mod.rs
View File

@@ -142,20 +142,20 @@ pub enum HalfDuplexReadback {
pub enum OutputConfig {
/// Push pull allows for faster baudrates, no internal pullup
PushPull,
/// Open drain output using external pull down resistor
OpenDrainExternal,
/// Open drain output (external pull up needed)
OpenDrain,
#[cfg(not(gpio_v1))]
/// Open drain output using internal pull up resistor
OpenDrainInternal,
/// Open drain output with internal pull up resistor
OpenDrainPullUp,
}
impl OutputConfig {
const fn af_type(self) -> AfType {
match self {
OutputConfig::PushPull => AfType::output(OutputType::PushPull, Speed::Medium),
OutputConfig::OpenDrainExternal => AfType::output(OutputType::OpenDrain, Speed::Medium),
OutputConfig::OpenDrain => AfType::output(OutputType::OpenDrain, Speed::Medium),
#[cfg(not(gpio_v1))]
OutputConfig::OpenDrainInternal => AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up),
OutputConfig::OpenDrainPullUp => AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up),
}
}
}

4
examples/stm32g0/src/bin/onewire_ds18b20.rs
View File

@@ -22,7 +22,7 @@ fn create_onewire(p: embassy_stm32::Peripherals) -> OneWire<UartTx<'static, Asyn
});
let mut config = Config::default();
config.tx_config = OutputConfig::OpenDrainExternal;
config.tx_config = OutputConfig::OpenDrain;
let usart = Uart::new_half_duplex(
p.USART1,
@@ -53,7 +53,7 @@ fn create_onewire(p: embassy_stm32::Peripherals) -> OneWire<BufferedUartTx<'stat
const BUFFER_SIZE: usize = 16;
let mut config = Confi::default();
config.tx_config = OutputConfig::OpenDrainExternal;
config.tx_config = OutputConfig::OpenDrain;
let tx_buf: &mut [u8; BUFFER_SIZE] = singleton!(TX_BUF: [u8; BUFFER_SIZE] = [0; BUFFER_SIZE]).unwrap();
let rx_buf: &mut [u8; BUFFER_SIZE] = singleton!(RX_BUF: [u8; BUFFER_SIZE] = [0; BUFFER_SIZE]).unwrap();
let usart = BufferedUart::new_half_duplex(