esp-hal/esp32c3-hal/examples/hello_world.rs
Björn Quentin e612bd1120
Add some config options to the UART driver (#99)
* Add some config options to the UART driver
* Use esp-println 0.2.0
* Remove the NoPin type
* Serial constructor now doesn't return a Result anymore
2022-07-12 08:00:02 -07:00

35 lines
951 B
Rust

#![no_std]
#![no_main]
use core::fmt::Write;
use esp32c3_hal::{clock::ClockControl, pac::Peripherals, prelude::*, RtcCntl, Serial, Timer};
use nb::block;
use panic_halt as _;
use riscv_rt::entry;
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take().unwrap();
let system = peripherals.SYSTEM.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
let mut rtc_cntl = RtcCntl::new(peripherals.RTC_CNTL);
let mut serial0 = Serial::new(peripherals.UART0);
let mut timer0 = Timer::new(peripherals.TIMG0, clocks.apb_clock);
let mut timer1 = Timer::new(peripherals.TIMG1, clocks.apb_clock);
// Disable watchdog timers
rtc_cntl.set_super_wdt_enable(false);
rtc_cntl.set_wdt_enable(false);
timer0.disable();
timer1.disable();
timer0.start(1u64.secs());
loop {
writeln!(serial0, "Hello world!").unwrap();
block!(timer0.wait()).unwrap();
}
}