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Stm32 usart: remove HalfDuplexConfig

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The pin parameters of usart::Config are used instead.
This commit is contained in:
Anton Pöhl
2025-03-13 11:05:10 +01:00
parent e3cec4a246
commit a544726be4
3 changed files with 16 additions and 43 deletions
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13
examples/stm32g0/src/bin/onewire_ds18b20.rs
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@@ -8,7 +8,7 @@ use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::mode::Async;
use embassy_stm32::usart::{
BufferedUartRx, BufferedUartTx, Config, ConfigError, HalfDuplexConfig, RingBufferedUartRx, UartTx,
BufferedUartRx, BufferedUartTx, Config, ConfigError, OutputConfig, RingBufferedUartRx, UartTx,
};
use embassy_stm32::{bind_interrupts, peripherals, usart};
use embassy_time::{Duration, Timer};
@@ -21,16 +21,18 @@ fn create_onewire(p: embassy_stm32::Peripherals) -> OneWire<UartTx<'static, Asyn
USART1 => usart::InterruptHandler<peripherals::USART1>;
});
let mut config = Config::default();
config.tx_config = OutputConfig::OpenDrainExternal;
let usart = Uart::new_half_duplex(
p.USART1,
p.PA9,
Irqs,
p.DMA1_CH1,
p.DMA1_CH2,
Config::default(),
config,
// Enable readback so we can read sensor pulling data low while transmission is in progress
usart::HalfDuplexReadback::Readback,
HalfDuplexConfig::OpenDrainExternal,
)
.unwrap();
@@ -50,6 +52,8 @@ 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;
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(
@@ -58,10 +62,9 @@ fn create_onewire(p: embassy_stm32::Peripherals) -> OneWire<BufferedUartTx<'stat
Irqs,
tx_buf,
rx_buf,
Config::default(),
config,
// Enable readback so we can read sensor pulling data low while transmission is in progress
usart::HalfDuplexReadback::Readback,
HalfDuplexConfig::OpenDrainExternal,
)
.unwrap();
let (tx, rx) = usart.split();