mirror of
https://github.com/ferrous-systems/embedded-trainings-2020.git
synced 2024-04-24 12:49:11 +00:00
remove outdated code; add puzzle source code
This commit is contained in:
Jorge Aparicio
parent
ae9d58aa43
commit
e093f48807
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@ -1,54 +0,0 @@
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[package]
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authors = ["Jorge Aparicio <jorge.aparicio@ferrous-systems.com>"]
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edition = "2018"
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name = "dongle"
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version = "0.1.0"
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[dependencies]
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consts = { path = "../../common/consts" }
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cortex-m-rt = "0.6.12"
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cortex-m-rtfm = "0.5.1"
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embedded-hal = "0.2.3"
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hal = { package = "nrf52840-hal", git = "https://github.com/japaric/nrf-hal", branch = "143+144" }
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heapless = "0.5.5"
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panic-halt = "0.2.0"
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usb-device = "0.2.5"
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usbd-serial = "0.1.0"
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# optimize code in both profiles
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[profile.dev]
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codegen-units = 1
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debug = 1
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debug-assertions = true # !
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incremental = false
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lto = "fat"
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opt-level = 'z' # !
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overflow-checks = false
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[profile.release]
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codegen-units = 1
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debug = 1
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debug-assertions = false
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incremental = false
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lto = "fat"
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opt-level = 3
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overflow-checks = false
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# faster builds from scratch
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[profile.dev.build-override]
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codegen-units = 8
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debug = false
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debug-assertions = false
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opt-level = 0
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overflow-checks = false
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[profile.release.build-override]
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codegen-units = 8
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debug = false
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debug-assertions = false
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opt-level = 0
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overflow-checks = false
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[patch.crates-io.usb-device]
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git = "https://github.com/jonas-schievink/usb-device.git"
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branch = "inhibit-setaddr-resp"
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@ -16,11 +16,11 @@ use panic_abort as _;
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fn main() -> ! {
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let mut stx = usbd::serial();
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let (mut rtx, mut rrx) = radio::claim(Channel::_20);
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let mut output = String::<consts::U64>::new();
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let mut output = String::::new();
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output.push_str("deviceid=").ok();
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write!(output, "{:08x}{:08x}", hal::deviceid1(), hal::deviceid0()).ok();
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write!(output, " channel={} TxPower=+8dBm\n", rtx.channel()).ok();
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write!(output, " channel={} TxPower=+8dBm app=loopback.hex\n", rtx.channel()).ok();
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let task = async {
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let mut packet = Packet::new().await;
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@ -28,7 +28,8 @@ fn main() -> ! {
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loop {
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let crcres = rrx.read(&mut packet).await;
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let lqi = if packet.len() >= 3 {
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let len = packet.len();
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let lqi = if len >= 3 {
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Some(packet.lqi())
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} else {
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// packet is too small; LQI is not valid
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@ -37,12 +38,11 @@ fn main() -> ! {
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let mut busy = false;
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if crcres.is_ok() {
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// packet.reverse();
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packet.reverse();
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busy = rtx.write(&packet).await.is_err();
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}
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output.clear();
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let len = packet.len();
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write!(
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&mut output,
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"received {} byte{}",
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112
boards/dongle/puzzle.rs
Normal file
112
boards/dongle/puzzle.rs
Normal file
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@ -0,0 +1,112 @@
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// f6c27c0a5af464795d1a64c45fa1b3039f44a62a
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#![deny(unused_must_use)]
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#![no_main]
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#![no_std]
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use core::fmt::Write as _;
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use hal::{radio::{self, Packet, Channel}, usbd, led};
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use heapless::{consts, LinearMap, String};
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use panic_abort as _;
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static FROM: &[u8] = &[
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// <redacted>
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];
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static TO: &[u8] = &[
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// <redacted>
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];
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// store the secret rather than the plaintext -- otherwise `strings $elf` will reveal the answer
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static SECRET: &[u8] = b"<redacted>";
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#[no_mangle]
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fn main() -> ! {
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// so we can visually differentiate this one from `loopback.hex`
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led::Green.on();
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let mut stx = usbd::serial();
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let (mut rtx, mut rrx) = radio::claim(Channel::_25);
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let mut output = String::<consts::U128>::new();
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let mut dict = LinearMap::<_, _, consts::U128>::new();
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for (&from, &to) in FROM.iter().zip(TO.iter()) {
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dict.insert(from, to).ok();
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}
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output.push_str("deviceid=").ok();
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write!(output, "{:08x}{:08x}", hal::deviceid1(), hal::deviceid0()).ok();
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write!(output, " channel={} TxPower=+8dBm app=puzzle.hex\n", rtx.channel()).ok();
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let task = async {
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let mut packet = Packet::new().await;
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stx.write(output.as_bytes());
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loop {
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let crcres = rrx.read(&mut packet).await;
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let len = packet.len();
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let lqi = if len >= 3 {
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Some(packet.lqi())
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} else {
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// packet is too small; LQI is not valid
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None
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};
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let mut busy = false;
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if crcres.is_ok() {
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if packet.is_empty() {
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packet.copy_from_slice(SECRET);
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} else if packet.len() == 1 {
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let p = packet[0];
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let c = dict.get(&p).unwrap_or(&p);
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packet.copy_from_slice(&[*c]);
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} else {
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// encrypt
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for slot in packet.iter_mut() {
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if let Some(c) = dict.get(slot) {
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*slot = *c;
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}
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}
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let matches = &packet[..] == SECRET;
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packet.copy_from_slice(if matches {
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b"correct"
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} else {
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b"incorrect"
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});
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}
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busy = rtx.write(&packet).await.is_err();
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}
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output.clear();
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write!(
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&mut output,
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"received {} byte{}",
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len,
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if len == 1 { "" } else { "s" }
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)
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.ok();
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let (res, crc) = match crcres {
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Ok(x) => ("Ok", x),
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Err(x) => ("Err", x),
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};
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write!(&mut output, " (CRC={}({:#06x})", res, crc).ok();
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if let Some(lqi) = lqi {
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write!(&mut output, ", LQI={}", lqi).ok();
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}
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output.push_str(")\n").ok();
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if busy {
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output.push_str("didn't reply -- channel was busy\n").ok();
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stx.write(output.as_bytes());
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}
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stx.write(output.as_bytes());
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}
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};
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executor::run!(task)
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}
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@ -1,203 +0,0 @@
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//! `radio` & `usb` apps merged into a single application
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#![no_std]
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#![no_main]
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use core::fmt::Write as _;
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use core::sync::atomic::{AtomicBool, Ordering};
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use embedded_hal::digital::v2::{OutputPin as _, StatefulOutputPin as _};
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use hal::{
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clocks::{Clocks, ExternalOscillator, Internal, LfOscStopped},
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gpio::{
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p0::{self, P0_06, P0_12},
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Level, Output, PushPull,
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},
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ieee802154::{Packet, Radio},
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target::USBD,
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usbd::Usbd,
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};
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use heapless::String;
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use panic_halt as _; // panic handler
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use usb_device::{bus::UsbBusAllocator, prelude::*};
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use usbd_serial::{SerialPort, USB_CLASS_CDC};
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// TODO make channel configurable via a single `const`ant
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#[rtfm::app(device = hal::target, peripherals = true)]
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const APP: () = {
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struct Resources {
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blue: P0_12<Output<PushPull>>,
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configured: AtomicBool,
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green: P0_06<Output<PushPull>>,
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radio: Radio<'static>,
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serial_port: SerialPort<'static, Usbd<'static>>,
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usb_dev: UsbDevice<'static, Usbd<'static>>,
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}
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#[init]
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fn init(cx: init::Context) -> init::LateResources {
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static mut EP_BUF: [u8; 1024] = [0; 1024];
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static mut CLOCKS: Option<Clocks<ExternalOscillator, Internal, LfOscStopped>> = None;
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static mut USB_BUS: Option<UsbBusAllocator<Usbd<'static>>> = None;
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let periph = cx.device;
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let port = p0::Parts::new(periph.P0);
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// P0.6: green LED indicates USB is working
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// P0.12: blue LED is toggled on each new packet
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let green = port.p0_06.into_push_pull_output(Level::High);
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let blue = port.p0_12.into_push_pull_output(Level::High);
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let clocks = Clocks::new(periph.CLOCK);
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// extend lifetime to `'static`
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let clocks = CLOCKS.get_or_insert(clocks.enable_ext_hfosc());
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let mut radio = Radio::init(periph.RADIO, clocks);
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// set TX power to its maximum value
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radio.set_txpower(8);
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// these loops should always terminate
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// detected USB power? (device is USB powered)
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while !periph
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.POWER
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.usbregstatus
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.read()
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.vbusdetect()
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.is_vbus_present()
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{}
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// wait until USB 3.3V supply (internal regulator) is stable
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while !periph
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.POWER
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.events_usbpwrrdy
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.read()
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.events_usbpwrrdy()
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.bit_is_clear()
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{}
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// enable all interrupts
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periph.USBD.intenset.write(|w| {
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w.endepin0().set_bit();
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w.endepin1().set_bit();
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w.endepin2().set_bit();
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w.endepout0().set_bit();
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w.endepout1().set_bit();
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w.endepout2().set_bit();
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w.ep0datadone().set_bit();
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w.ep0setup().set_bit();
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w.epdata().set_bit();
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w.usbevent().set_bit();
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w.usbreset().set_bit();
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w.sof().set_bit();
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w
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});
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let usb_bus = USB_BUS.get_or_insert(Usbd::new_alloc(periph.USBD, EP_BUF, clocks));
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let serial_port = SerialPort::new(usb_bus);
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let usb_dev = UsbDeviceBuilder::new(usb_bus, UsbVidPid(consts::VID, consts::PID))
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.device_class(USB_CLASS_CDC)
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.max_packet_size_0(64) // (makes control transfers 8x faster)
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.build();
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init::LateResources {
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blue,
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green,
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configured: AtomicBool::new(false),
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radio,
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usb_dev,
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serial_port,
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}
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}
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#[idle(resources = [blue, &configured, radio, serial_port])]
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fn idle(cx: idle::Context) -> ! {
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let blue = cx.resources.blue;
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let configured = cx.resources.configured;
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let mut serial_port = cx.resources.serial_port;
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let radio = cx.resources.radio;
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// TODO run Radio in parallel to the USBD task
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let mut packet = Packet::new();
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let mut buf = String::<heapless::consts::U64>::new();
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loop {
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// let res = radio.recv(&mut packet);
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// let lqi = packet.lqi();
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// let len = packet.len();
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// if res.is_ok() {
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// if blue.is_set_low() == Ok(true) {
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// blue.set_high().ok();
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// } else {
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// blue.set_low().ok();
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// }
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// // loopback the packet
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// radio.send(&packet);
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// }
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let is_configured = configured.load(Ordering::Relaxed);
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if is_configured {
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blue.set_low().ok();
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// buf.clear();
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// // TODO switch to a single `uwriteln!`
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// if res.is_ok() {
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// buf.push_str("CRC OK").ok()
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// } else {
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// buf.push_str("BAD CRC").ok()
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// };
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// buf.push_str(" - LQI: ").ok();
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// write!(buf, "{}", lqi).ok();
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// buf.push_str(" - payload: ").ok();
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// write!(buf, "{}", len).ok();
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// buf.push_str(" bytes\n").ok();
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// serial_port.lock(|port| port.write(buf.as_bytes()).ok());
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}
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}
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}
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#[task(binds = USBD, resources = [&configured, green, usb_dev, serial_port])]
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fn usbd(cx: usbd::Context) {
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let configured = cx.resources.configured;
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let green = cx.resources.green;
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let serial_port = cx.resources.serial_port;
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let usb_dev = cx.resources.usb_dev;
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usb_dev.poll(&mut [serial_port]);
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if !configured.load(Ordering::Relaxed) {
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if usb_dev.state() == UsbDeviceState::Configured {
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// off
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green.set_high().ok();
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configured.store(true, Ordering::Relaxed);
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let _ = serial_port.write(b"bChannel: 20\nTX power: +8 dBm\n");
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}
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} else {
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// blink until configured
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if green.is_set_low() == Ok(true) {
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green.set_high().ok();
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} else {
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green.set_low().ok();
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}
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}
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// FIXME `hal::Usbd` is not clearing all EVENTS?
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let usbd: USBD = unsafe { core::mem::transmute(()) };
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if usbd.events_epdata.read().bits() != 0 && usbd.epdatastatus.read().bits() == 0 {
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usbd.events_epdata.reset();
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}
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if usbd.events_sof.read().bits() != 0 {
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usbd.events_sof.reset();
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}
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// usbd.events_endepout[0].reset();
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// usbd.events_endepout[1].reset();
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// usbd.events_endepout[2].reset();
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// usbd.events_ep0setup.reset();
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// usbd.events_ep0datadone.reset();
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// usbd.events_epdata.reset();
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// usbd.events_usbevent.reset();
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// usbd.events_usbreset.reset();
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}
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};
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|
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@ -1,63 +0,0 @@
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//! Test program, mainly for debugging purposes
|
||||
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
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use cortex_m_rt::entry;
|
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use embedded_hal::digital::v2::{OutputPin as _, StatefulOutputPin as _};
|
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use hal::{
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clocks::Clocks,
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gpio::{p0, Level},
|
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ieee802154::{Packet, Radio},
|
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target as pac,
|
||||
};
|
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use panic_halt as _;
|
||||
|
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#[entry]
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fn main() -> ! {
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let periph = pac::Peripherals::take().unwrap();
|
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|
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let clocks = Clocks::new(periph.CLOCK);
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let clocks = clocks.enable_ext_hfosc();
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let port = p0::Parts::new(periph.P0);
|
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|
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// NOTE LEDs turn on when the output level is low (0V)
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let mut green = port.p0_06.into_push_pull_output(Level::High); // LD1
|
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|
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let mut blue = port.p0_12.into_push_pull_output(Level::High); // LD2 (RGB LED)
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let mut red = port.p0_08.into_push_pull_output(Level::High); // LD2 (RGB LED)
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|
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let mut radio = Radio::init(periph.RADIO, &clocks);
|
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|
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// turn on green LED to indicate the radio has been initialized
|
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green.set_low().ok();
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|
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// set TX power to its maximum value
|
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radio.set_txpower(8);
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|
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let mut packet = Packet::new();
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loop {
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let res = radio.recv(&mut packet);
|
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|
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if res.is_ok() {
|
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// CRC check passed
|
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// clear visual error state (turn off the red LED)
|
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red.set_high().ok();
|
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|
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// toggle blue LED on each successfully received packet
|
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if blue.is_set_low() == Ok(true) {
|
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blue.set_high().ok();
|
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} else {
|
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blue.set_low().ok();
|
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}
|
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|
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// return packet with the contents unchanged
|
||||
radio.send(&packet);
|
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} else {
|
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// CRC check failed
|
||||
// indicate error using the red LED
|
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red.set_low().ok();
|
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}
|
||||
}
|
||||
}
|
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|
|
@ -1,96 +0,0 @@
|
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//! Test program used to debug the `serial-term` tool
|
||||
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
use cortex_m_rt::entry;
|
||||
use embedded_hal::digital::v2::OutputPin as _;
|
||||
use hal::{
|
||||
clocks::Clocks,
|
||||
gpio::{p0, Level},
|
||||
target as pac,
|
||||
usbd::Usbd,
|
||||
};
|
||||
use panic_halt as _;
|
||||
use usb_device::device::{UsbDeviceBuilder, UsbDeviceState, UsbVidPid};
|
||||
use usbd_serial::{SerialPort, USB_CLASS_CDC};
|
||||
|
||||
#[entry]
|
||||
fn main() -> ! {
|
||||
static mut EP_BUF: [u8; 1024] = [0; 1024];
|
||||
|
||||
let periph = pac::Peripherals::take().unwrap();
|
||||
|
||||
let clocks = Clocks::new(periph.CLOCK);
|
||||
let clocks = clocks.enable_ext_hfosc();
|
||||
|
||||
let port = p0::Parts::new(periph.P0);
|
||||
|
||||
// NOTE LEDs turn on when the output level is low (0V)
|
||||
let mut green = port.p0_06.into_push_pull_output(Level::High); // LD1
|
||||
let mut blue = port.p0_12.into_push_pull_output(Level::High); // LD2 (RGB LED)
|
||||
let mut red = port.p0_08.into_push_pull_output(Level::High); // LD2 (RGB LED)
|
||||
|
||||
// these loops should always terminate
|
||||
// detected USB power? (device is USB powered)
|
||||
while !periph
|
||||
.POWER
|
||||
.usbregstatus
|
||||
.read()
|
||||
.vbusdetect()
|
||||
.is_vbus_present()
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
// wait until USB 3.3V supply (internal regulator) is stable
|
||||
while !periph
|
||||
.POWER
|
||||
.events_usbpwrrdy
|
||||
.read()
|
||||
.events_usbpwrrdy()
|
||||
.bit_is_clear()
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
// turn on green LED to show the program is working
|
||||
green.set_low().ok();
|
||||
|
||||
let usb_bus = Usbd::new_alloc(periph.USBD, EP_BUF, &clocks);
|
||||
let mut serial_port = SerialPort::new(&usb_bus);
|
||||
|
||||
let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(consts::VID, consts::PID))
|
||||
.device_class(USB_CLASS_CDC)
|
||||
.max_packet_size_0(64) // (makes control transfers 8x faster)
|
||||
.build();
|
||||
|
||||
let mut buf = [0; 64];
|
||||
let mut once = true;
|
||||
loop {
|
||||
if !usb_dev.poll(&mut [&mut serial_port]) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if usb_dev.state() == UsbDeviceState::Configured {
|
||||
// turn on the blue LED to show the device has been configured
|
||||
blue.set_low().ok();
|
||||
|
||||
if once {
|
||||
once = false;
|
||||
|
||||
serial_port.write(b"Hello, world!\n").ok();
|
||||
serial_port.flush().ok();
|
||||
}
|
||||
|
||||
if serial_port.read(&mut buf).is_ok() {
|
||||
// received data from the PC. I'm interpreting this as an error but it may actually
|
||||
// be part of the CDC/ACM protocol? -- we never send data to the device
|
||||
red.set_low().ok();
|
||||
}
|
||||
} else {
|
||||
// otherwise turn it off
|
||||
blue.set_high().ok();
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue