1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::executor::Spawner;
use embassy_stm32::i2c::I2c;
use embassy_stm32::time::Hertz;
use embassy_stm32::{interrupt, Peripherals};
use {defmt_rtt as _, panic_probe as _};
const ADDRESS: u8 = 0x5F;
const WHOAMI: u8 = 0x0F;
#[embassy_executor::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),
Default::default(),
);
let mut data = [0u8; 1];
unwrap!(i2c.write_read(ADDRESS, &[WHOAMI], &mut data).await);
info!("Whoami: {}", data[0]);
}
|
