56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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#[path = "../common.rs"]
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mod common;
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use defmt::info;
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use embassy_executor::Spawner;
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use embassy_rp::bind_interrupts;
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use embassy_rp::peripherals::PIO0;
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use embassy_rp::pio::{Config, InterruptHandler, Pio};
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use embassy_rp::relocate::RelocatedProgram;
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use {defmt_rtt as _, panic_probe as _};
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bind_interrupts!(struct Irqs {
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PIO0_IRQ_0 => InterruptHandler<PIO0>;
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});
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_rp::init(Default::default());
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let pio = p.PIO0;
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let Pio {
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mut common,
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sm0: mut sm,
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irq_flags,
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..
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} = Pio::new(pio, Irqs);
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let prg = pio_proc::pio_asm!(
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"irq set 0",
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"irq wait 0",
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"irq set 1",
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// pause execution here
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"irq wait 1",
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);
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let relocated = RelocatedProgram::new(&prg.program);
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let mut cfg = Config::default();
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cfg.use_program(&common.load_program(&relocated), &[]);
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sm.set_config(&cfg);
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sm.set_enable(true);
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// not using the wait futures on purpose because they clear the irq bits,
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// and we want to see in which order they are set.
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while !irq_flags.check(0) {}
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cortex_m::asm::nop();
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assert!(!irq_flags.check(1));
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irq_flags.clear(0);
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cortex_m::asm::nop();
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assert!(irq_flags.check(1));
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info!("Test OK");
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cortex_m::asm::bkpt();
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}
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