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#![no_std]
#![feature(rustc_private)]
extern crate fusible;
use core::pin::Pin;
use rust_threadx_cortex_m as _;
use rust_threadx_stdio_imxrt_usbd as stdio;
#[doc(hidden)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn _tx_initialize_low_level() {
use cortex_m::{
Peripherals,
peripheral::{scb::SystemHandler, syst::SystClkSource},
};
cortex_m::interrupt::disable();
unsafe {
let Peripherals {
mut SYST, mut SCB, ..
} = Peripherals::steal();
SCB.set_priority(SystemHandler::SysTick, 0x40);
SCB.set_priority(SystemHandler::PendSV, 0xff);
SCB.set_priority(SystemHandler::SVCall, 0xff);
SYST.set_clock_source(SystClkSource::External);
SYST.set_reload(100_000 / 100 - 1);
SYST.clear_current();
SYST.enable_interrupt();
SYST.enable_counter();
}
}
use fusible::thread::{StaticStack, Thread, ThreadContext};
static STACK: StaticStack<512> = StaticStack::new();
static THREAD: ThreadContext = Thread::context();
#[unsafe(no_mangle)]
#[doc(hidden)]
pub extern "C" fn __rust_threadx_app_define() {
let instances = teensy4_bsp::board::instances();
let mut resources = teensy4_bsp::board::t40(instances);
let led = teensy4_bsp::board::led(&mut resources.gpio2, resources.pins.p13);
Thread::create(
Pin::static_ref(&THREAD),
STACK.take().unwrap(),
&Default::default(),
move || loop {
fusible::thread::sleep(50);
led.toggle();
},
)
.unwrap();
stdio::start(resources.usb, interrupt::USB_OTG1);
}
use teensy4_bsp::{ral::interrupt, rt::interrupt};
#[interrupt]
fn USB_OTG1() {
stdio::on_interrupt(interrupt::USB_OTG1);
}
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