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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use example_common::*;
use core::mem;
use cortex_m_rt::entry;
use defmt::info;
use nrf_softdevice::ble::{peripheral, Uuid};
use nrf_softdevice::{raw, RawError, Softdevice};
#[static_executor::task]
async fn softdevice_task(sd: &'static Softdevice) {
sd.run().await;
}
#[static_executor::task]
async fn bluetooth_task(sd: &'static Softdevice) {
for i in 0..24 {
let service_uuid = Uuid::new_16(0x4200 + i);
let mut service_handle: u16 = 0;
let ret = unsafe {
raw::sd_ble_gatts_service_add(
raw::BLE_GATTS_SRVC_TYPE_PRIMARY as u8,
service_uuid.as_raw_ptr(),
&mut service_handle as _,
)
};
RawError::convert(ret).dewrap();
let max = if i == 0 { 64 } else { 16 };
for j in 0..max {
let char_uuid = Uuid::new_16(0x6900 + j);
let mut val: u8 = 123;
let mut cccd_attr_md: raw::ble_gatts_attr_md_t = unsafe { mem::zeroed() };
cccd_attr_md.read_perm = raw::ble_gap_conn_sec_mode_t {
_bitfield_1: raw::ble_gap_conn_sec_mode_t::new_bitfield_1(1, 1),
};
cccd_attr_md.write_perm = raw::ble_gap_conn_sec_mode_t {
_bitfield_1: raw::ble_gap_conn_sec_mode_t::new_bitfield_1(1, 1),
};
cccd_attr_md.set_vloc(raw::BLE_GATTS_VLOC_STACK as u8);
let mut attr_md: raw::ble_gatts_attr_md_t = unsafe { mem::zeroed() };
attr_md.read_perm = raw::ble_gap_conn_sec_mode_t {
_bitfield_1: raw::ble_gap_conn_sec_mode_t::new_bitfield_1(1, 1),
};
attr_md.write_perm = raw::ble_gap_conn_sec_mode_t {
_bitfield_1: raw::ble_gap_conn_sec_mode_t::new_bitfield_1(1, 1),
};
attr_md.set_vloc(raw::BLE_GATTS_VLOC_STACK as u8);
let mut attr: raw::ble_gatts_attr_t = unsafe { mem::zeroed() };
attr.p_uuid = unsafe { char_uuid.as_raw_ptr() };
attr.p_attr_md = &attr_md as _;
attr.init_len = 1;
attr.max_len = 1;
attr.p_value = &mut val;
let mut char_md: raw::ble_gatts_char_md_t = unsafe { mem::zeroed() };
char_md.char_props.set_read(1);
char_md.char_props.set_write(1);
char_md.char_props.set_notify(1);
char_md.p_cccd_md = &mut cccd_attr_md;
let mut char_handles: raw::ble_gatts_char_handles_t = unsafe { mem::zeroed() };
let ret = unsafe {
raw::sd_ble_gatts_characteristic_add(
service_handle,
&mut char_md as _,
&mut attr as _,
&mut char_handles as _,
)
};
RawError::convert(ret).dewrap();
}
}
#[rustfmt::skip]
let adv_data = &[
0x02, 0x01, raw::BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE as u8,
0x03, 0x03, 0x09, 0x18,
0x0a, 0x09, b'H', b'e', b'l', b'l', b'o', b'R', b'u', b's', b't',
];
#[rustfmt::skip]
let scan_data = &[
0x03, 0x03, 0x09, 0x18,
];
loop {
let conn = peripheral::advertise(
sd,
peripheral::ConnectableAdvertisement::ScannableUndirected {
adv_data,
scan_data,
},
)
.await
.dewrap();
info!("advertising done!");
// Detach the connection so it isn't disconnected when dropped.
conn.detach();
}
}
#[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 sd = Softdevice::enable(&config);
unsafe {
softdevice_task.spawn(sd).dewrap();
bluetooth_task.spawn(sd).dewrap();
static_executor::run();
}
}
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