esp-hal/hil-test/tests/twai.rs
Dániel Buga d5afeeddc8
H2: enable TWAI, enable delay test (#2199)
* Add TWAI support for H2

* Enable delay test on h2

* Also enable example

* Changelog

* De-CAN the example
2024-09-20 07:04:52 +00:00

66 lines
1.5 KiB
Rust

//! TWAI test
//% CHIPS: esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
#![no_std]
#![no_main]
use embedded_hal_02::can::Frame;
use esp_hal::{
gpio::Io,
peripherals::TWAI0,
prelude::*,
twai::{self, filter::SingleStandardFilter, EspTwaiFrame, StandardId, TwaiMode},
Blocking,
};
use hil_test as _;
use nb::block;
struct Context {
twai: twai::Twai<'static, TWAI0, Blocking>,
}
#[cfg(test)]
#[embedded_test::tests]
mod tests {
use defmt::assert_eq;
use super::*;
#[init]
fn init() -> Context {
let peripherals = esp_hal::init(esp_hal::Config::default());
let io = Io::new(peripherals.GPIO, peripherals.IO_MUX);
let (tx_pin, rx_pin) = hil_test::common_test_pins!(io);
let mut config = twai::TwaiConfiguration::new(
peripherals.TWAI0,
rx_pin,
tx_pin,
twai::BaudRate::B1000K,
TwaiMode::SelfTest,
);
const FILTER: SingleStandardFilter =
SingleStandardFilter::new(b"00000000000", b"x", [b"xxxxxxxx", b"xxxxxxxx"]);
config.set_filter(FILTER);
let twai = config.start();
Context { twai }
}
#[test]
#[timeout(3)]
fn test_send_receive(mut ctx: Context) {
let frame = EspTwaiFrame::new_self_reception(StandardId::ZERO.into(), &[1, 2, 3]).unwrap();
block!(ctx.twai.transmit(&frame)).unwrap();
let frame = block!(ctx.twai.receive()).unwrap();
assert_eq!(frame.data(), &[1, 2, 3])
}
}