mirror of
https://github.com/ferrous-systems/embedded-trainings-2020.git
synced 2024-05-19 08:48:17 +00:00
fcf0e310ab
- change the USB PID so it matches the date of the workshop
44 lines
1,011 B
Rust
44 lines
1,011 B
Rust
#![no_main]
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#![no_std]
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use cortex_m::asm;
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use dk::peripheral::POWER;
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use panic_log as _; // panic handler
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#[rtic::app(device = dk)]
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const APP: () = {
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struct Resources {
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power: POWER,
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}
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#[init]
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fn init(_cx: init::Context) -> init::LateResources {
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let board = dk::init().unwrap();
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let power = board.power;
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power.intenset.write(|w| w.usbdetected().set_bit());
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log::info!("USBDETECTED interrupt enabled");
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init::LateResources { power }
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}
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#[idle]
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fn idle(_cx: idle::Context) -> ! {
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loop {
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log::info!("idle: going to sleep");
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asm::wfi();
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log::info!("idle: woke up");
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}
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}
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#[task(binds = POWER_CLOCK, resources = [power])]
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fn on_power_event(cx: on_power_event::Context) {
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log::info!("POWER event occurred");
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// clear the interrupt flag; otherwise this task will run again after it returns
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cx.resources.power.events_usbdetected.reset();
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}
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};
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