/*
Simplified Embedded Rust: ESP Core Library Edition
The Embassy Framework - Real-time Timer Application Example
*/
#![no_std]
#![no_main]
use embassy_executor::Spawner;
use embassy_time::{Duration, Timer};
use esp_backtrace as _;
use esp_hal::{
timer::timg::TimerGroup,
};
use esp_println::println;
struct Time {
seconds: u32,
minutes: u32,
hours: u32,
}
#[esp_hal_embassy::main]
async fn main(_spawner: Spawner) {
let peripherals =
esp_hal::init(esp_hal::Config::default());
// Initalize embassy executor
let timg0 = TimerGroup::new(peripherals.TIMG0);
esp_hal_embassy::init( timg0.timer0);
// This line is for Wokwi only so that the console output is formatted correctly
esp_println::print!("\x1b[20h");
// Set up a Time struct to keep track of time
let mut time = Time {
seconds: 0_u32,
minutes: 0_u32,
hours: 0_u32,
};
loop {
// Wait for 1 second
Timer::after(Duration::from_millis(1_000)).await;
// Update and Print Timer Struct
time.seconds = time.seconds.wrapping_add(1);
if time.seconds > 59 {
time.minutes += 1;
}
if time.minutes > 59 {
time.hours += 1;
}
if time.hours > 23 {
time.seconds = 0;
time.minutes = 0;
time.hours = 0;
}
println!(
"Elapsed Time {:0>2}:{:0>2}:{:0>2}",
time.hours, time.minutes, time.seconds
);
}
}
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esp32-c3-devkitm-1
esp32-c3-devkitm-1