esp-hal/hil-test/tests/uart_regression.rs
Juraj Sadel 8a7f8361a6
UART: Move RX/TX pin assignment from constructor to builder functions (#2904)
* Add with_rx() and with_tx() methods to UART drivers

* changelog

* migration guide

* forgotten tests

* fmt

* fix H2 example

* Use the same calling order of calling TX and RX as before
2025-01-08 16:35:22 +00:00

45 lines
1.1 KiB
Rust

//! Misc UART TX/RX regression tests
//% CHIPS: esp32 esp32c2 esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
#![no_std]
#![no_main]
#[cfg(test)]
#[embedded_test::tests(default_timeout = 3)]
mod tests {
use esp_hal::{
gpio::OutputPin,
uart::{self, UartRx, UartTx},
};
use hil_test as _;
use nb::block;
#[test]
fn test_that_creating_tx_does_not_cause_a_pulse() {
let peripherals = esp_hal::init(esp_hal::Config::default());
let (rx, mut tx) = hil_test::common_test_pins!(peripherals);
let mut rx = UartRx::new(peripherals.UART1, uart::Config::default())
.unwrap()
.with_rx(rx);
// start reception
_ = rx.read_byte(); // this will just return WouldBlock
unsafe { tx.set_output_high(false, esp_hal::Internal::conjure()) };
// set up TX and send a byte
let mut tx = UartTx::new(peripherals.UART0, uart::Config::default())
.unwrap()
.with_tx(tx);
tx.flush().unwrap();
tx.write_bytes(&[0x42]).unwrap();
let read = block!(rx.read_byte());
assert_eq!(read, Ok(0x42));
}
}