/
main.rs
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/
main.rs
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//! main app in cortex-m-rtic version
//!
//! See also `main_rt.rs` for a RT-only version.
#![no_std]
#![no_main]
// #![deny(warnings)]
use core::convert::TryFrom;
use runner::hal;
use hal::traits::wg::timer::Cancel;
use hal::traits::wg::timer::CountDown;
use hal::drivers::timer::Elapsed;
use hal::time::{DurationExtensions, Microseconds};
use rtic::cyccnt::{Instant, U32Ext as _};
const CLOCK_FREQ: u32 = 96_000_000;
const PERIOD: u32 = CLOCK_FREQ/16;
const USB_INTERRUPT: board::hal::raw::Interrupt = board::hal::raw::Interrupt::USB1;
const NFC_INTERRUPT: board::hal::raw::Interrupt = board::hal::raw::Interrupt::PIN_INT0;
#[macro_use]
extern crate delog;
generate_macros!();
#[rtic::app(device = runner::hal::raw, peripherals = true, monotonic = rtic::cyccnt::CYCCNT)]
const APP: () = {
struct Resources {
apdu_dispatch: runner::types::ApduDispatch,
ctaphid_dispatch: runner::types::CtaphidDispatch,
trussed: runner::types::Trussed,
apps: runner::types::Apps,
usb_classes: Option<runner::types::UsbClasses>,
contactless: Option<runner::types::Iso14443>,
perf_timer: runner::types::PerfTimer,
clock_ctrl: Option<runner::types::DynamicClockController>,
hw_scheduler: runner::types::HwScheduler,
}
#[init(schedule = [update_ui])]
fn init(c: init::Context) -> init::LateResources {
let (
apdu_dispatch,
ctaphid_dispatch,
trussed,
apps,
usb_classes,
contactless,
perf_timer,
clock_ctrl,
hw_scheduler,
) = runner::init_board(c.device, c.core);
// don't toggle LED in passive mode
if usb_classes.is_some() {
hal::enable_cycle_counter();
c.schedule.update_ui(Instant::now() + PERIOD.cycles()).unwrap();
}
init::LateResources {
apdu_dispatch,
ctaphid_dispatch,
trussed,
apps,
usb_classes,
contactless,
perf_timer,
clock_ctrl,
hw_scheduler,
}
}
#[idle(resources = [apdu_dispatch, ctaphid_dispatch, apps, perf_timer, usb_classes], schedule = [ccid_wait_extension])]
fn idle(c: idle::Context) -> ! {
let idle::Resources {
apdu_dispatch,
ctaphid_dispatch,
apps,
mut perf_timer,
mut usb_classes,
}
= c.resources;
let schedule = c.schedule;
info_now!("inside IDLE");
loop {
let mut time = 0;
perf_timer.lock(|perf_timer|{
time = perf_timer.elapsed().0;
if time == 60_000_000 {
perf_timer.start(60_000_000.microseconds());
}
});
if time > 1_200_000 {
runner::Delogger::flush();
}
match apps.apdu_dispatch(|apps| apdu_dispatch.poll(apps)) {
Some(apdu_dispatch::dispatch::Interface::Contact) => {
rtic::pend(USB_INTERRUPT);
}
Some(apdu_dispatch::dispatch::Interface::Contactless) => {
rtic::pend(NFC_INTERRUPT);
}
_ => {}
}
if apps.ctaphid_dispatch(|apps| ctaphid_dispatch.poll(apps)) {
rtic::pend(USB_INTERRUPT);
}
usb_classes.lock(|usb_classes_maybe|{
if usb_classes_maybe.is_some() {
let usb_classes = usb_classes_maybe.as_mut().unwrap();
usb_classes.ctaphid.check_timeout(time/1000);
usb_classes.poll();
match usb_classes.ccid.did_start_processing() {
usbd_ccid::types::Status::ReceivedData(milliseconds) => {
schedule.ccid_wait_extension(
Instant::now() + (CLOCK_FREQ/1_000_000 * 1000*milliseconds.0).cycles()
).ok();
}
_ => {}
}
}
});
}
}
#[task(binds = USB1_NEEDCLK, resources = [], schedule = [], priority=6)]
fn usb1_needclk(_c: usb1_needclk::Context) {
// Behavior is same as in USB1 handler
rtic::pend(USB_INTERRUPT);
}
/// Manages all traffic on the USB bus.
#[task(binds = USB1, resources = [usb_classes], schedule = [ccid_wait_extension], priority=6)]
fn usb(c: usb::Context) {
let usb = unsafe { hal::raw::Peripherals::steal().USB1 } ;
let before = Instant::now();
let usb_classes = c.resources.usb_classes.as_mut().unwrap();
//////////////
usb_classes.poll();
match usb_classes.ccid.did_start_processing() {
usbd_ccid::types::Status::ReceivedData(milliseconds) => {
c.schedule.ccid_wait_extension(
Instant::now() + (CLOCK_FREQ/1_000_000 * 1000*milliseconds.0).cycles()
).ok();
}
_ => {}
}
//////////////
let after = Instant::now();
let length = (after - before).as_cycles();
if length > 10_000 {
// debug!("poll took {:?} cycles", length);
}
let inten = usb.inten.read().bits();
let intstat = usb.intstat.read().bits();
let mask = inten & intstat;
if mask != 0 {
for i in 0..5 {
if mask & (1 << 2*i) != 0 {
// debug!("EP{}OUT", i);
}
if mask & (1 << (2*i + 1)) != 0 {
// debug!("EP{}IN", i);
}
}
// Serial sends a stray 0x70 ("p") to CDC-ACM "data" OUT endpoint (3)
// Need to fix that at the management, for now just clear that interrupt.
usb.intstat.write(|w| unsafe{ w.bits(64) });
// usb.intstat.write(|w| unsafe{ w.bits( usb.intstat.read().bits() ) });
}
}
/// Whenever we start waiting for an application to reply to CCID, this must be scheduled.
/// In case the application takes too long, this will periodically send wait extensions
/// until the application replied.
#[task(resources = [usb_classes], schedule = [ccid_wait_extension], priority = 6)]
fn ccid_wait_extension(c: ccid_wait_extension::Context) {
debug!("CCID WAIT EXTENSION");
let status = c.resources.usb_classes.as_mut().unwrap().ccid.send_wait_extension();
match status {
usbd_ccid::types::Status::ReceivedData(milliseconds) => {
c.schedule.ccid_wait_extension(
Instant::now() + (CLOCK_FREQ/1_000 * 1000*milliseconds.0).cycles()
).ok();
}
_ => {}
}
}
#[task(binds = MAILBOX, resources = [usb_classes], priority = 5)]
#[allow(unused_mut,unused_variables)]
fn mailbox(mut c: mailbox::Context) {
#[cfg(feature = "log-serial")]
c.resources.usb_classes.lock(|usb_classes_maybe| {
match usb_classes_maybe.as_mut() {
Some(usb_classes) => {
// usb_classes.serial.write(logs.as_bytes()).ok();
usb_classes.serial.write(b"dummy test string\n").ok();
// app::drain_log_to_serial(&mut usb_classes.serial);
}
_=>{}
}
});
// // let usb_classes = c.resources.usb_classes.as_mut().unwrap();
// let mailbox::Resources { usb_classes } = c.resources;
// let x: () = usb_classes;
// // if let Some(usb_classes) = usb_classes.as_mut() {
// // usb_classes.serial.write(b"dummy test string\n").ok();
// // }
}
#[task(binds = OS_EVENT, resources = [trussed], priority = 5)]
fn os_event(c: os_event::Context) {
c.resources.trussed.process();
}
#[task(resources = [trussed], schedule = [update_ui], priority = 1)]
fn update_ui(mut c: update_ui::Context) {
static mut UPDATES: u32 = 1;
// let wait_periods = c.resources.trussed.lock(|trussed| trussed.update_ui());
c.resources.trussed.lock(|trussed| trussed.update_ui());
// c.schedule.update_ui(Instant::now() + wait_periods * PERIOD.cycles()).unwrap();
c.schedule.update_ui(Instant::now() + PERIOD.cycles()).unwrap();
*UPDATES += 1;
}
#[task(binds = CTIMER0, resources = [contactless, perf_timer, hw_scheduler], priority = 7)]
fn nfc_wait_extension(c: nfc_wait_extension::Context) {
let nfc_wait_extension::Resources {
contactless,
perf_timer: _perf_timer,
hw_scheduler,
}
= c.resources;
if let Some(contactless) = contactless.as_mut() {
// clear the interrupt
hw_scheduler.cancel().ok();
info!("<{}", _perf_timer.elapsed().0/100);
let status = contactless.poll_wait_extensions();
match status {
nfc_device::Iso14443Status::Idle => {}
nfc_device::Iso14443Status::ReceivedData(milliseconds) => {
hw_scheduler.start(Microseconds::try_from(milliseconds).unwrap());
}
}
info!(" {}>", _perf_timer.elapsed().0/100);
}
}
#[task(binds = PIN_INT0, resources = [
contactless, perf_timer, hw_scheduler,
], priority = 7,
)]
fn nfc_irq(c: nfc_irq::Context) {
let nfc_irq::Resources {
contactless,
perf_timer,
hw_scheduler,
}
= c.resources;
let contactless = contactless.as_mut().unwrap();
let _starttime = perf_timer.elapsed().0/100;
info!("[");
let status = contactless.poll();
match status {
nfc_device::Iso14443Status::Idle => {}
nfc_device::Iso14443Status::ReceivedData(milliseconds) => {
hw_scheduler.cancel().ok();
hw_scheduler.start(Microseconds::try_from(milliseconds).unwrap());
}
}
info!("{}-{}]", _starttime, perf_timer.elapsed().0/100);
perf_timer.cancel().ok();
perf_timer.start(60_000_000.microseconds());
}
#[task(binds = ADC0, resources = [clock_ctrl], priority = 8)]
fn adc_int(c: adc_int::Context) {
let adc_int::Resources {
clock_ctrl,
} = c.resources;
clock_ctrl.as_mut().unwrap().handle();
}
// something to dispatch software tasks from
extern "C" {
fn PLU();
fn PIN_INT5();
fn PIN_INT7();
}
};