9bf70ff792
* Combine `esp-ulp-riscv-hal` and `esp32c6-lp-hal` into a single package * Update LP core examples * Update CI workflow * Fix `LP_UART` example
52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
//! This shows a very basic example of running code on the LP core.
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//!
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//! Code on LP core increments a counter and continuously toggles GPIO1. The
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//! current value is printed by the HP core.
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//!
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//! Make sure to first compile the `esp-lp-hal/examples/blinky.rs` example
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#![no_std]
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#![no_main]
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use esp32c6_hal::{
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clock::ClockControl,
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gpio::lp_gpio::IntoLowPowerPin,
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lp_core,
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peripherals::Peripherals,
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prelude::*,
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IO,
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};
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use esp_backtrace as _;
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use esp_println::{print, println};
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take();
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let system = peripherals.SYSTEM.split();
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let _clocks = ClockControl::boot_defaults(system.clock_control).freeze();
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let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
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// configure GPIO 1 as LP output pin
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let lp_pin = io.pins.gpio1.into_low_power().into_push_pull_output();
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let mut lp_core = esp32c6_hal::lp_core::LpCore::new(peripherals.LP_CORE);
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lp_core.stop();
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println!("lp core stopped");
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// load code to LP core
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let lp_core_code =
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load_lp_code!("../esp-lp-hal/target/riscv32imac-unknown-none-elf/release/examples/blinky");
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// start LP core
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lp_core_code.run(&mut lp_core, lp_core::LpCoreWakeupSource::HpCpu, lp_pin);
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println!("lpcore run");
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let data = (0x5000_2000) as *mut u32;
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loop {
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print!("Current {:x} \u{000d}", unsafe {
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data.read_volatile()
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});
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}
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}
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