Remove redundant config setters (#2847)

Co-authored-by: Jesse Braham <jessebraham@users.noreply.github.com>

esp-hal/CHANGELOG.md

@@ -222,6 +222,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `parl_io::{no_clk_pin(), NoClkPin}` (#2531)
 - Removed `get_core` function in favour of `Cpu::current` (#2533)
 
+- Removed `uart::Config` setters and `symbol_length`. (#2847)
+
 ## [0.21.1]
 
 ### Fixed

esp-hal/MIGRATING-0.22.md

@@ -199,7 +199,6 @@ is enabled. To retrieve the address and size of the initialized external memory,
 
 The usage of `esp_alloc::psram_allocator!` remains unchanged.
 
-
 ## embedded-hal 0.2.* is not supported anymore.
 
 As per https://github.com/rust-embedded/embedded-hal/pull/640, our driver no longer implements traits from `embedded-hal 0.2.x`.
@@ -343,3 +342,15 @@ The reexports that were previously part of the prelude are available through oth
 - uart0.set_at_cmd(AtCmdConfig::new(None, None, None, b'#', None));
 + uart0.set_at_cmd(AtCmdConfig::default().with_cmd_char(b'#'));
 ```
+
+## UART changes
+
+The `Config` struct's setters are now prefixed with `with_`. `parity_none`, `parity_even`,
+`parity_odd` have been replaced by `with_parity` that takes a `Parity` parameter.
+
+```diff
+ let config = Config::default()
+-    .rx_fifo_full_threshold(30)
++    .with_rx_fifo_full_threshold(30)
+-    .parity_even();
++    .with_parity(Parity::Even);

esp-hal/src/uart.rs

@@ -152,7 +152,7 @@
     any(esp32s2, esp32s3),
     doc = "let (tx_pin, rx_pin) = (peripherals.GPIO43, peripherals.GPIO44);"
 )]
-//! let config = Config::default().rx_fifo_full_threshold(30);
+//! let config = Config::default().with_rx_fifo_full_threshold(30);
 //!
 //! let mut uart0 = Uart::new(
 //!     peripherals.UART0,
@@ -421,51 +421,9 @@ pub struct Config {
 }
 
 impl Config {
-    /// Sets the baud rate for the UART configuration.
-    pub fn baudrate(mut self, baudrate: u32) -> Self {
-        self.baudrate = baudrate;
-        self
-    }
-
-    /// Configures the UART to use no parity check.
-    pub fn parity_none(mut self) -> Self {
-        self.parity = Parity::ParityNone;
-        self
-    }
-
-    /// Configures the UART to use even parity check.
-    pub fn parity_even(mut self) -> Self {
-        self.parity = Parity::ParityEven;
-        self
-    }
-
-    /// Configures the UART to use odd parity check.
-    pub fn parity_odd(mut self) -> Self {
-        self.parity = Parity::ParityOdd;
-        self
-    }
-
-    /// Sets the number of data bits for the UART configuration.
-    pub fn data_bits(mut self, data_bits: DataBits) -> Self {
-        self.data_bits = data_bits;
-        self
-    }
-
-    /// Sets the number of stop bits for the UART configuration.
-    pub fn stop_bits(mut self, stop_bits: StopBits) -> Self {
-        self.stop_bits = stop_bits;
-        self
-    }
-
-    /// Sets the clock source for the UART configuration.
-    pub fn clock_source(mut self, source: ClockSource) -> Self {
-        self.clock_source = source;
-        self
-    }
-
     /// Calculates the total symbol length in bits based on the configured
     /// data bits, parity, and stop bits.
-    pub fn symbol_length(&self) -> u8 {
+    fn symbol_length(&self) -> u8 {
         let mut length: u8 = 1; // start bit
         length += match self.data_bits {
             DataBits::DataBits5 => 5,
@@ -483,18 +441,6 @@ impl Config {
         };
         length
     }
-
-    /// Sets the RX FIFO full threshold for the UART configuration.
-    pub fn rx_fifo_full_threshold(mut self, threshold: u16) -> Self {
-        self.rx_fifo_full_threshold = threshold;
-        self
-    }
-
-    /// Sets the RX timeout for the UART configuration.
-    pub fn rx_timeout(mut self, timeout: Option<u8>) -> Self {
-        self.rx_timeout = timeout;
-        self
-    }
 }
 
 impl Default for Config {

examples/src/bin/embassy_serial.rs

@@ -87,7 +87,7 @@ async fn main(spawner: Spawner) {
         }
     }
 
-    let config = Config::default().rx_fifo_full_threshold(READ_BUF_SIZE as u16);
+    let config = Config::default().with_rx_fifo_full_threshold(READ_BUF_SIZE as u16);
 
     let mut uart0 = Uart::new(peripherals.UART0, config, rx_pin, tx_pin)
         .unwrap()