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-rw-r--r--examples/src/bin/ble_bas_central.rs68
1 files changed, 28 insertions, 40 deletions
diff --git a/examples/src/bin/ble_bas_central.rs b/examples/src/bin/ble_bas_central.rs
index 3594f55..2d307c1 100644
--- a/examples/src/bin/ble_bas_central.rs
+++ b/examples/src/bin/ble_bas_central.rs
@@ -7,18 +7,14 @@ mod example_common;
use core::mem;
-use cortex_m_rt::entry;
use defmt::{info, *};
-use embassy_executor::executor::Executor;
-use embassy_util::Forever;
+use embassy_executor::Spawner;
use nrf_softdevice::ble::{central, gatt_client, Address, AddressType};
use nrf_softdevice::{raw, Softdevice};
-static EXECUTOR: Forever<Executor> = Forever::new();
-
#[embassy_executor::task]
-async fn softdevice_task(sd: &'static Softdevice) {
- sd.run().await;
+async fn softdevice_task(sd: &'static Softdevice) -> ! {
+ sd.run().await
}
#[nrf_softdevice::gatt_client(uuid = "180f")]
@@ -27,34 +23,8 @@ struct BatteryServiceClient {
battery_level: u8,
}
-#[embassy_executor::task]
-async fn ble_central_task(sd: &'static Softdevice) {
- let addrs = &[&Address::new(
- AddressType::RandomStatic,
- [0x06, 0x6b, 0x71, 0x2c, 0xf5, 0xc0],
- )];
- let mut config = central::ConnectConfig::default();
- config.scan_config.whitelist = Some(addrs);
- let conn = unwrap!(central::connect(sd, &config).await);
- info!("connected");
-
- let client: BatteryServiceClient = unwrap!(gatt_client::discover(&conn).await);
-
- // Read
- let val = unwrap!(client.battery_level_read().await);
- info!("read battery level: {}", val);
-
- // Write, set it to 42
- unwrap!(client.battery_level_write(42).await);
- info!("Wrote battery level!");
-
- // Read to check it's changed
- let val = unwrap!(client.battery_level_read().await);
- info!("read battery level: {}", val);
-}
-
-#[entry]
-fn main() -> ! {
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
info!("Hello World!");
let config = nrf_softdevice::Config {
@@ -88,10 +58,28 @@ fn main() -> ! {
};
let sd = Softdevice::enable(&config);
+ unwrap!(spawner.spawn(softdevice_task(sd)));
+
+ let addrs = &[&Address::new(
+ AddressType::RandomStatic,
+ [0x06, 0x6b, 0x71, 0x2c, 0xf5, 0xc0],
+ )];
+ let mut config = central::ConnectConfig::default();
+ config.scan_config.whitelist = Some(addrs);
+ let conn = unwrap!(central::connect(sd, &config).await);
+ info!("connected");
+
+ let client: BatteryServiceClient = unwrap!(gatt_client::discover(&conn).await);
+
+ // Read
+ let val = unwrap!(client.battery_level_read().await);
+ info!("read battery level: {}", val);
+
+ // Write, set it to 42
+ unwrap!(client.battery_level_write(42).await);
+ info!("Wrote battery level!");
- let executor = EXECUTOR.put(Executor::new());
- executor.run(move |spawner| {
- unwrap!(spawner.spawn(softdevice_task(sd)));
- unwrap!(spawner.spawn(ble_central_task(sd)));
- });
+ // Read to check it's changed
+ let val = unwrap!(client.battery_level_read().await);
+ info!("read battery level: {}", val);
}