From 25402a14c284c2cb9f05d93034ae5caa1ede448f Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Wed, 25 Nov 2020 22:04:59 +0100
Subject: Add scan API for scanning for advertisements.

---
 examples/src/bin/ble_scan.rs | 104 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 examples/src/bin/ble_scan.rs

(limited to 'examples/src')

diff --git a/examples/src/bin/ble_scan.rs b/examples/src/bin/ble_scan.rs
new file mode 100644
index 0000000..970b4ef
--- /dev/null
+++ b/examples/src/bin/ble_scan.rs
@@ -0,0 +1,104 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+#[path = "../example_common.rs"]
+mod example_common;
+use example_common::*;
+
+use core::mem;
+use core::slice;
+use cortex_m_rt::entry;
+use defmt::{panic, *};
+use embassy::executor::{task, Executor};
+use embassy::util::Forever;
+
+use nrf_softdevice::ble::central;
+use nrf_softdevice::raw;
+use nrf_softdevice::Softdevice;
+
+static EXECUTOR: Forever<Executor> = Forever::new();
+
+#[task]
+async fn softdevice_task(sd: &'static Softdevice) {
+    sd.run().await;
+}
+
+#[task]
+async fn ble_task(sd: &'static Softdevice) {
+    let config = central::ScanConfig { whitelist: None };
+    let res = central::scan(sd, config, |params| unsafe {
+        info!("AdvReport!");
+        info!(
+            "type: connectable={:u16} scannable={:u16} directed={:u16} scan_response={:u16} extended_pdu={:u16} status={:u16}",
+            params.type_.connectable(),
+            params.type_.scannable(),
+            params.type_.directed(),
+            params.type_.scan_response(),
+            params.type_.extended_pdu(),
+            params.type_.status()
+        );
+        info!(
+            "addr: resolved={:u8} type={:u8} addr={:[u8]}",
+            params.peer_addr.addr_id_peer(),
+            params.peer_addr.addr_type(),
+            params.peer_addr.addr
+        );
+        info!("data: {:[u8]}", slice::from_raw_parts(params.data.p_data, params.data.len as usize));
+        None
+    })
+    .await;
+    unwrap!(res);
+    info!("Scan returned");
+}
+
+#[entry]
+fn main() -> ! {
+    info!("Hello World!");
+
+    let config = nrf_softdevice::Config {
+        clock: Some(raw::nrf_clock_lf_cfg_t {
+            source: raw::NRF_CLOCK_LF_SRC_XTAL as u8,
+            rc_ctiv: 0,
+            rc_temp_ctiv: 0,
+            accuracy: 7,
+        }),
+        conn_gap: Some(raw::ble_gap_conn_cfg_t {
+            conn_count: 6,
+            event_length: 6,
+        }),
+        conn_gatt: Some(raw::ble_gatt_conn_cfg_t { att_mtu: 128 }),
+        gatts_attr_tab_size: Some(raw::ble_gatts_cfg_attr_tab_size_t {
+            attr_tab_size: 32768,
+        }),
+        gap_role_count: Some(raw::ble_gap_cfg_role_count_t {
+            adv_set_count: 1,
+            periph_role_count: 3,
+            central_role_count: 3,
+            central_sec_count: 0,
+            _bitfield_1: raw::ble_gap_cfg_role_count_t::new_bitfield_1(0),
+        }),
+        gap_device_name: Some(raw::ble_gap_cfg_device_name_t {
+            p_value: b"HelloRust" as *const u8 as _,
+            current_len: 9,
+            max_len: 9,
+            write_perm: unsafe { mem::zeroed() },
+            _bitfield_1: raw::ble_gap_cfg_device_name_t::new_bitfield_1(
+                raw::BLE_GATTS_VLOC_STACK as u8,
+            ),
+        }),
+        ..Default::default()
+    };
+
+    let (sdp, p) = take_peripherals();
+    let sd = Softdevice::enable(sdp, &config);
+
+    let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev));
+    unwrap!(executor.spawn(softdevice_task(sd)));
+    unwrap!(executor.spawn(ble_task(sd)));
+
+    loop {
+        executor.run();
+        cortex_m::asm::wfe();
+    }
+}
-- 
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