diff --git a/examples/stm32l4/src/bin/i2c.rs b/examples/stm32l4/src/bin/i2c.rs new file mode 100644 index 000000000..86215697b --- /dev/null +++ b/examples/stm32l4/src/bin/i2c.rs @@ -0,0 +1,28 @@ +#![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 embedded_hal::blocking::i2c::WriteRead; +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, NoDma, NoDma, Hertz(100_000)); + + let mut data = [0u8; 1]; + unwrap!(i2c.write_read(ADDRESS, &[WHOAMI], &mut data)); + info!("Whoami: {}", data[0]); +}