30 lines
821 B
Rust
30 lines
821 B
Rust
|
#![no_std]
|
||
|
|
#![no_main]
|
||
|
|
#![feature(type_alias_impl_trait)]
|
||
|
|
|
||
|
|
#[path = "../example_common.rs"]
|
||
|
|
mod example_common;
|
||
|
|
|
||
|
|
use embassy::executor::Spawner;
|
||
|
|
use embassy_stm32::dma::NoDma;
|
||
|
|
use embassy_stm32::i2c::I2c;
|
||
|
|
use embassy_stm32::interrupt;
|
||
|
|
use embassy_stm32::time::Hertz;
|
||
|
|
use embassy_stm32::Peripherals;
|
||
|
|
use embassy_traits::{adapter::BlockingAsync, i2c::I2c as _};
|
||
|
|
use example_common::{info, unwrap};
|
||
|
|
|
||
|
|
const ADDRESS: u8 = 0x5F;
|
||
|
|
const WHOAMI: u8 = 0x0F;
|
||
|
|
|
||
|
|
#[embassy::main]
|
||
|
|
async fn main(_spawner: Spawner, p: Peripherals) -> ! {
|
||
|
|
let irq = interrupt::take!(I2C2_EV);
|
||
|
|
let i2c = I2c::new(p.I2C2, p.PB10, p.PB11, irq, NoDma, NoDma, Hertz(100_000));
|
||
|
|
let mut i2c = BlockingAsync::new(i2c);
|
||
|
|
|
||
|
|
let mut data = [0u8; 1];
|
||
|
|
unwrap!(i2c.write_read(ADDRESS, &[WHOAMI], &mut data).await);
|
||
|
|
info!("Whoami: {}", data[0]);
|
||
|
|
}
|