Merge #963

963: Remove some uses of the `futures` crate r=Dirbaio a=Dirbaio

- use `Future` from `core`
- `poll_fn` is now stable in `core` since Rust 1.64 (out today)
- Use `join` from `embassy-futures`.


Co-authored-by: Dario Nieuwenhuis <[email protected]>

2 files changed, 2 insertions, 1 deletions

diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index 208f39080..27f5c260a 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -11,6 +11,7 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-usb-serial = { version = "0.1.0", path = "../../embassy-usb-serial", features = ["defmt"] }
 embassy-usb-hid = { version = "0.1.0", path = "../../embassy-usb-hid", features = ["defmt"] }
+embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32f3/src/bin/usb_serial.rs b/examples/stm32f3/src/bin/usb_serial.rs
index d3702fc35..b9fd20e2b 100644
--- a/examples/stm32f3/src/bin/usb_serial.rs
+++ b/examples/stm32f3/src/bin/usb_serial.rs
@@ -4,6 +4,7 @@
 
 use defmt::{panic, *};
 use embassy_executor::Spawner;
+use embassy_futures::join::join;
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::time::mhz;
 use embassy_stm32::usb::{Driver, Instance};
@@ -12,7 +13,6 @@ use embassy_time::{Duration, Timer};
 use embassy_usb::driver::EndpointError;
 use embassy_usb::Builder;
 use embassy_usb_serial::{CdcAcmClass, State};
-use futures::future::join;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]