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https://github.com/esp-rs/esp-hal.git
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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
48 lines
1.1 KiB
Rust
48 lines
1.1 KiB
Rust
//! Counts a 32 bit value at a known point in memory, and blink GPIO1.
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//!
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//! When using the ESP32-C6's LP core, this address in memory is `0x5000_2000`.
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//!
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//! When using the ESP32-S2 or ESP32-S3's ULP core, this address in memory is
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//! `0x5000_0400` (but is `0x400`` from the ULP's point of view!).
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//!
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//! Make sure the LP RAM is cleared before loading the code.
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#![no_std]
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#![no_main]
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use embedded_hal_02::{blocking::delay::DelayMs, digital::v2::OutputPin};
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use esp_lp_hal::{
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delay::Delay,
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gpio::{GpioPin, Output, PushPull},
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prelude::*,
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};
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use panic_halt as _;
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cfg_if::cfg_if! {
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if #[cfg(feature = "esp32c6")] {
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const ADDRESS: u32 = 0x5000_2000;
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} else if #[cfg(any(feature = "esp32s2", feature = "esp32s3"))] {
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const ADDRESS: u32 = 0x400;
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}
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}
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#[entry]
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fn main(mut gpio1: GpioPin<Output<PushPull>, 1>) -> ! {
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let mut i: u32 = 0;
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let ptr = ADDRESS as *mut u32;
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loop {
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i = i.wrapping_add(1u32);
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unsafe {
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ptr.write_volatile(i);
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}
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gpio1.set_high().unwrap();
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Delay.delay_ms(500);
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gpio1.set_low().unwrap();
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Delay.delay_ms(500);
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}
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}
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