59 lines
1.9 KiB
Rust
59 lines
1.9 KiB
Rust
use core::mem;
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use crate::ble::gatt::Server;
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use defmt::{info, unwrap};
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use embassy_executor::Spawner;
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use nrf_softdevice::{raw, Softdevice};
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#[embassy_executor::task]
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async fn softdevice_task(sd: &'static Softdevice) -> ! {
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sd.run().await
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}
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fn configure(device_name: &str) -> nrf_softdevice::Config {
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nrf_softdevice::Config {
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clock: Some(raw::nrf_clock_lf_cfg_t {
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source: raw::NRF_CLOCK_LF_SRC_RC as u8,
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rc_ctiv: 16,
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rc_temp_ctiv: 2,
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accuracy: raw::NRF_CLOCK_LF_ACCURACY_500_PPM as u8,
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}),
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conn_gap: Some(raw::ble_gap_conn_cfg_t {
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conn_count: 6,
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event_length: 24,
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}),
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conn_gatt: Some(raw::ble_gatt_conn_cfg_t { att_mtu: 256 }),
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gatts_attr_tab_size: Some(raw::ble_gatts_cfg_attr_tab_size_t {
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attr_tab_size: raw::BLE_GATTS_ATTR_TAB_SIZE_DEFAULT,
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}),
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gap_role_count: Some(raw::ble_gap_cfg_role_count_t {
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adv_set_count: 1,
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periph_role_count: 3,
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central_role_count: 3,
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central_sec_count: 0,
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_bitfield_1: raw::ble_gap_cfg_role_count_t::new_bitfield_1(0),
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}),
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gap_device_name: Some(raw::ble_gap_cfg_device_name_t {
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p_value: device_name.as_bytes().as_ptr() as *const u8 as _,
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current_len: 9,
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max_len: 9,
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write_perm: unsafe { mem::zeroed() },
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_bitfield_1: raw::ble_gap_cfg_device_name_t::new_bitfield_1(
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raw::BLE_GATTS_VLOC_STACK as u8,
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),
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}),
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..Default::default()
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}
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}
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pub fn run<'a>(spawner: Spawner, device_name: &str) -> (&'a Softdevice, Server) {
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let config = configure(device_name);
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let sd = Softdevice::enable(&config);
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let server = unwrap!(Server::new(sd));
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unwrap!(spawner.spawn(softdevice_task(sd)));
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info!("softdevice started");
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(sd, server)
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}
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