esp-hal/hil-test/tests/twai.rs
Juraj Sadel 17daa464ba
Enable ESP32 HIL (#1977)
* Enable ESP32 HIL

* RMT fixed

* SPI DMA partially works, _pcnt tests not working

* bckup

* finish

* readme and cleanup

* rebase + cleanup

* RMT S2 pin typo + clean forgotten comments

* review comments

* update 10000

* indentation

* replace cfg gate with cfg_if
2024-09-06 08:53:27 +00:00

72 lines
1.7 KiB
Rust

//! TWAI test
//!
//! Folowing pins are used:
//! TX GPIO2 / GPIO9 (esp32s2 / esp32s3) / GPIO26 (esp32)
//! RX GPIO3 / GPIO10 (esp32s2 / esp32s3) / GPIO27 (esp32)
//!
//! Connect TX and RX pins.
//% CHIPS: esp32c3 esp32c6 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 (can_tx_pin, can_rx_pin) = hil_test::common_test_pins!(io);
let mut config = twai::TwaiConfiguration::new(
peripherals.TWAI0,
can_tx_pin,
can_rx_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])
}
}