45 lines
1011 B
Rust
45 lines
1011 B
Rust
//! I2C test
|
|
|
|
//% CHIPS: esp32 esp32c2 esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
|
|
|
|
#![no_std]
|
|
#![no_main]
|
|
|
|
use esp_hal::{gpio::Io, i2c::I2C, peripherals::I2C0, prelude::*, Blocking};
|
|
use hil_test as _;
|
|
|
|
struct Context {
|
|
i2c: I2C<'static, I2C0, Blocking>,
|
|
}
|
|
#[cfg(test)]
|
|
#[embedded_test::tests]
|
|
mod tests {
|
|
use defmt::assert_ne;
|
|
|
|
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 (sda, scl) = hil_test::i2c_pins!(io);
|
|
|
|
// Create a new peripheral object with the described wiring and standard
|
|
// I2C clock speed:
|
|
let i2c = I2C::new(peripherals.I2C0, sda, scl, 100.kHz());
|
|
|
|
Context { i2c }
|
|
}
|
|
|
|
#[test]
|
|
#[timeout(3)]
|
|
fn test_read_cali(mut ctx: Context) {
|
|
let mut read_data = [0u8; 22];
|
|
|
|
ctx.i2c.write_read(0x77, &[0xaa], &mut read_data).ok();
|
|
|
|
assert_ne!(read_data, [0u8; 22])
|
|
}
|
|
}
|