1 files changed, 148 insertions, 0 deletions

diff --git a/examples/rp/src/bin/bluetooth.rs b/examples/rp/src/bin/bluetooth.rs
new file mode 100644
index 000000000..901521b60
--- /dev/null
+++ b/examples/rp/src/bin/bluetooth.rs
@@ -0,0 +1,148 @@
+//! This example test the RP Pico W on board LED.
+//!
+//! It does not work with the RP Pico board. See blinky.rs.
+
+#![no_std]
+#![no_main]
+
+use bt_hci::controller::ExternalController;
+use cyw43_pio::PioSpi;
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_futures::join::join3;
+use embassy_rp::bind_interrupts;
+use embassy_rp::gpio::{Level, Output};
+use embassy_rp::peripherals::{DMA_CH0, PIO0};
+use embassy_rp::pio::{InterruptHandler, Pio};
+use embassy_sync::blocking_mutex::raw::NoopRawMutex;
+use embassy_time::{Duration, Timer};
+use static_cell::StaticCell;
+use trouble_host::advertise::{AdStructure, Advertisement, BR_EDR_NOT_SUPPORTED, LE_GENERAL_DISCOVERABLE};
+use trouble_host::attribute::{AttributeTable, CharacteristicProp, Service, Uuid};
+use trouble_host::gatt::GattEvent;
+use trouble_host::{Address, BleHost, BleHostResources, PacketQos};
+use {defmt_rtt as _, embassy_time as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    PIO0_IRQ_0 => InterruptHandler<PIO0>;
+});
+
+#[embassy_executor::task]
+async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'static, PIO0, 0, DMA_CH0>>) -> ! {
+    runner.run().await
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    let fw = include_bytes!("../../../../cyw43-firmware/43439A0.bin");
+    let clm = include_bytes!("../../../../cyw43-firmware/43439A0_clm.bin");
+    let btfw = include_bytes!("../../../../cyw43-firmware/43439A0_btfw.bin");
+
+    // To make flashing faster for development, you may want to flash the firmwares independently
+    // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
+    //     probe-rs download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
+    //     probe-rs download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
+
+    let pwr = Output::new(p.PIN_23, Level::Low);
+    let cs = Output::new(p.PIN_25, Level::High);
+    let mut pio = Pio::new(p.PIO0, Irqs);
+    let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
+
+    static STATE: StaticCell<cyw43::State> = StaticCell::new();
+    let state = STATE.init(cyw43::State::new());
+    let (_net_device, bt_device, mut control, runner) = cyw43::new_with_bluetooth(state, pwr, spi, fw, btfw).await;
+    unwrap!(spawner.spawn(cyw43_task(runner)));
+    control.init(clm).await;
+
+    let controller: ExternalController<_, 10> = ExternalController::new(bt_device);
+    static HOST_RESOURCES: StaticCell<BleHostResources<4, 32, 27>> = StaticCell::new();
+    let host_resources = HOST_RESOURCES.init(BleHostResources::new(PacketQos::None));
+
+    let mut ble: BleHost<'_, _> = BleHost::new(controller, host_resources);
+
+    ble.set_random_address(Address::random([0xff, 0x9f, 0x1a, 0x05, 0xe4, 0xff]));
+    let mut table: AttributeTable<'_, NoopRawMutex, 10> = AttributeTable::new();
+
+    // Generic Access Service (mandatory)
+    let id = b"Pico W Bluetooth";
+    let appearance = [0x80, 0x07];
+    let mut bat_level = [0; 1];
+    let handle = {
+        let mut svc = table.add_service(Service::new(0x1800));
+        let _ = svc.add_characteristic_ro(0x2a00, id);
+        let _ = svc.add_characteristic_ro(0x2a01, &appearance[..]);
+        svc.build();
+
+        // Generic attribute service (mandatory)
+        table.add_service(Service::new(0x1801));
+
+        // Battery service
+        let mut svc = table.add_service(Service::new(0x180f));
+
+        svc.add_characteristic(
+            0x2a19,
+            &[CharacteristicProp::Read, CharacteristicProp::Notify],
+            &mut bat_level,
+        )
+        .build()
+    };
+
+    let mut adv_data = [0; 31];
+    AdStructure::encode_slice(
+        &[
+            AdStructure::Flags(LE_GENERAL_DISCOVERABLE | BR_EDR_NOT_SUPPORTED),
+            AdStructure::ServiceUuids16(&[Uuid::Uuid16([0x0f, 0x18])]),
+            AdStructure::CompleteLocalName(b"Pico W Bluetooth"),
+        ],
+        &mut adv_data[..],
+    )
+    .unwrap();
+
+    let server = ble.gatt_server(&table);
+
+    info!("Starting advertising and GATT service");
+    let _ = join3(
+        ble.run(),
+        async {
+            loop {
+                match server.next().await {
+                    Ok(GattEvent::Write { handle, connection: _ }) => {
+                        let _ = table.get(handle, |value| {
+                            info!("Write event. Value written: {:?}", value);
+                        });
+                    }
+                    Ok(GattEvent::Read { .. }) => {
+                        info!("Read event");
+                    }
+                    Err(e) => {
+                        error!("Error processing GATT events: {:?}", e);
+                    }
+                }
+            }
+        },
+        async {
+            let mut advertiser = ble
+                .advertise(
+                    &Default::default(),
+                    Advertisement::ConnectableScannableUndirected {
+                        adv_data: &adv_data[..],
+                        scan_data: &[],
+                    },
+                )
+                .await
+                .unwrap();
+            let conn = advertiser.accept().await.unwrap();
+            // Keep connection alive
+            let mut tick: u8 = 0;
+            loop {
+                Timer::after(Duration::from_secs(10)).await;
+                tick += 1;
+                server.notify(handle, &conn, &[tick]).await.unwrap();
+            }
+        },
+    )
+    .await;
+}