mirror of
https://github.com/esp-rs/esp-hal.git
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40bf086a0c
* PeripheralClockControl timer * Add PeripheralClockControl to timg, wdt, sha, usb-serial-jtag and uart * ESP32 updated examples * ESP32C2 updated examples * ESP32C3 updated examples * ESP32S2 updated examples * ESP32S3 updated examples * ESP32C6 updated examples * cargo fmt
47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
//! This shows how to write text to serial0.
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//! You can see the output with `espflash` if you provide the `--monitor` option
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#![no_std]
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#![no_main]
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use core::fmt::Write;
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use esp32s2_hal::{
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clock::ClockControl,
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peripherals::Peripherals,
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prelude::*,
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timer::TimerGroup,
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Rtc,
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Uart,
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};
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use esp_backtrace as _;
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use nb::block;
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take();
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let mut system = peripherals.SYSTEM.split();
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let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
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let timer_group0 = TimerGroup::new(
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peripherals.TIMG0,
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&clocks,
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&mut system.peripheral_clock_control,
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);
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let mut timer0 = timer_group0.timer0;
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let mut wdt = timer_group0.wdt;
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let mut rtc = Rtc::new(peripherals.RTC_CNTL);
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let mut serial0 = Uart::new(peripherals.UART0, &mut system.peripheral_clock_control);
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// Disable MWDT and RWDT (Watchdog) flash boot protection
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wdt.disable();
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rtc.rwdt.disable();
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timer0.start(1u64.secs());
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loop {
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writeln!(serial0, "Hello world!").unwrap();
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block!(timer0.wait()).unwrap();
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}
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}
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