35 lines
763 B
Rust
35 lines
763 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::i2c::I2c;
|
||
|
use embassy_stm32::interrupt;
|
||
|
use embassy_stm32::time::Hertz;
|
||
|
use embassy_stm32::Peripherals;
|
||
|
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 mut i2c = I2c::new(
|
||
|
p.I2C2,
|
||
|
p.PB10,
|
||
|
p.PB11,
|
||
|
irq,
|
||
|
p.DMA1_CH4,
|
||
|
p.DMA1_CH5,
|
||
|
Hertz(100_000),
|
||
|
);
|
||
|
|
||
|
let mut data = [0u8; 1];
|
||
|
unwrap!(i2c.write_read(ADDRESS, &[WHOAMI], &mut data).await);
|
||
|
info!("Whoami: {}", data[0]);
|
||
|
}
|