実戦の専門性と 卓越した技術が 出会う場所

pub signal Lora(sf: int, bw: Hz, sync: list<int>) {
  modulation: css(sf: sf, bw: bw)
  frame:      chirps(up: 8)
              ++ symbols(sync)
              ++ chirps(down: 2.25)
              ++ header { … } coded(hamming(8, 4), bits: sf - 2)
              ++ payload(bytes[len: length]) coded(hamming(4 + cr, 4), bits: sf)
              ++ crc16(lora_crc, over: payload) if has_crc
  coding:     hamming ++ interleave(diagonal) ++ gray
  whitening:  lfsr(poly: 0x71, seed: 0xFF, bytewise: true)
  check:      header_ok
}

let rx: Stream<complex, 250 ksps, 862.5 MHz> = input("main")
rx |> Lora(sf: 7, bw: 125 kHz, sync: [72, 48]).demod() |> log()

GET /.env
GET /.env.production
GET /.git/config
GET /.aws/credentials
GET /application_default_credentials.json
GET /actuator/env
GET /actuator/heapdump
GET /info.php
GET /wp-config.php.bak
GET /xmlrpc.php
…every day, from every corner of the internet