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Add gpio version dependency

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Add configurable output type for half-duplex
This commit is contained in:
Karun 2024-08-06 11:52:16 -04:00
parent a725892720
commit 446169b2c1
1 changed files with 77 additions and 4 deletions
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81
embassy-stm32/src/usart/mod.rs
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@ -211,6 +211,19 @@ impl Default for Config {
}
}
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
/// Half duplex IO mode
pub enum HalfDuplexConfig {
/// Push pull allows for faster baudrates, may require series resistor
PushPull,
/// Open drain output using external pull up resistor
OpenDrainExternal,
#[cfg(not(gpio_v1))]
/// Open drain output using internal pull up resistor
OpenDrainInternal,
}
/// Serial error
#[derive(Debug, Eq, PartialEq, Copy, Clone)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
@ -1042,6 +1055,7 @@ impl<'d> Uart<'d, Async> {
tx_dma: impl Peripheral<P = impl TxDma<T>> + 'd,
rx_dma: impl Peripheral<P = impl RxDma<T>> + 'd,
mut config: Config,
half_duplex: HalfDuplexConfig,
) -> Result<Self, ConfigError> {
#[cfg(not(any(usart_v1, usart_v2)))]
{
@ -1052,7 +1066,21 @@ impl<'d> Uart<'d, Async> {
Self::new_inner(
peri,
None,
new_pin!(tx, AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up)),
new_pin!(
tx,
match half_duplex {
HalfDuplexConfig::PushPull => {
AfType::output(OutputType::PushPull, Speed::Medium)
}
HalfDuplexConfig::OpenDrainExternal => {
AfType::output(OutputType::OpenDrain, Speed::Medium)
}
#[cfg(not(gpio_v1))]
HalfDuplexConfig::OpenDrainInternal => {
AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up)
}
}
),
None,
None,
None,
@ -1080,6 +1108,7 @@ impl<'d> Uart<'d, Async> {
tx_dma: impl Peripheral<P = impl TxDma<T>> + 'd,
rx_dma: impl Peripheral<P = impl RxDma<T>> + 'd,
mut config: Config,
half_duplex: HalfDuplexConfig,
) -> Result<Self, ConfigError> {
config.swap_rx_tx = true;
config.half_duplex = true;
@ -1088,7 +1117,21 @@ impl<'d> Uart<'d, Async> {
peri,
None,
None,
new_pin!(rx, AfType::output(OutputType::PushPull, Speed::Medium)),
new_pin!(
rx,
match half_duplex {
HalfDuplexConfig::PushPull => {
AfType::output(OutputType::PushPull, Speed::Medium)
}
HalfDuplexConfig::OpenDrainExternal => {
AfType::output(OutputType::OpenDrain, Speed::Medium)
}
#[cfg(not(gpio_v1))]
HalfDuplexConfig::OpenDrainInternal => {
AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up)
}
}
),
None,
None,
new_dma!(tx_dma),
@ -1193,6 +1236,7 @@ impl<'d> Uart<'d, Blocking> {
peri: impl Peripheral<P = T> + 'd,
tx: impl Peripheral<P = impl TxPin<T>> + 'd,
mut config: Config,
half_duplex: HalfDuplexConfig,
) -> Result<Self, ConfigError> {
#[cfg(not(any(usart_v1, usart_v2)))]
{
@ -1203,7 +1247,21 @@ impl<'d> Uart<'d, Blocking> {
Self::new_inner(
peri,
None,
new_pin!(tx, AfType::output(OutputType::PushPull, Speed::Medium)),
new_pin!(
tx,
match half_duplex {
HalfDuplexConfig::PushPull => {
AfType::output(OutputType::PushPull, Speed::Medium)
}
HalfDuplexConfig::OpenDrainExternal => {
AfType::output(OutputType::OpenDrain, Speed::Medium)
}
#[cfg(not(gpio_v1))]
HalfDuplexConfig::OpenDrainInternal => {
AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up)
}
}
),
None,
None,
None,
@ -1228,6 +1286,7 @@ impl<'d> Uart<'d, Blocking> {
peri: impl Peripheral<P = T> + 'd,
rx: impl Peripheral<P = impl RxPin<T>> + 'd,
mut config: Config,
half_duplex: HalfDuplexConfig,
) -> Result<Self, ConfigError> {
config.swap_rx_tx = true;
config.half_duplex = true;
@ -1236,7 +1295,21 @@ impl<'d> Uart<'d, Blocking> {
peri,
None,
None,
new_pin!(rx, AfType::output(OutputType::PushPull, Speed::Medium)),
new_pin!(
rx,
match half_duplex {
HalfDuplexConfig::PushPull => {
AfType::output(OutputType::PushPull, Speed::Medium)
}
HalfDuplexConfig::OpenDrainExternal => {
AfType::output(OutputType::OpenDrain, Speed::Medium)
}
#[cfg(not(gpio_v1))]
HalfDuplexConfig::OpenDrainInternal => {
AfType::output_pull(OutputType::OpenDrain, Speed::Medium, Pull::Up)
}
}
),
None,
None,
None,