4acdf2516c
* initial systimer impl * Add systimer example * Make Alarms real singletons * Remove runtime Option, turn into compile error * Make Systimer::now() not take self * refactor shared alarm methods * Implement esp32c3 delay with monotonic SystemTimer::now() * Add extend systimer support to esp32s3 and add example * systimer: esp32s2 support
49 lines
1.2 KiB
Rust
49 lines
1.2 KiB
Rust
#![no_std]
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#![no_main]
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use esp32c3_hal::{
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clock::ClockControl,
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gpio::IO,
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pac::Peripherals,
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prelude::*,
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system::SystemExt,
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Delay,
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RtcCntl,
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Timer,
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};
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use panic_halt as _;
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use riscv_rt::entry;
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take().unwrap();
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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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// Disable the watchdog timers. For the ESP32-C3, this includes the Super WDT,
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// the RTC WDT, and the TIMG WDTs.
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let mut rtc_cntl = RtcCntl::new(peripherals.RTC_CNTL);
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let mut timer0 = Timer::new(peripherals.TIMG0);
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let mut timer1 = Timer::new(peripherals.TIMG1);
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rtc_cntl.set_super_wdt_enable(false);
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rtc_cntl.set_wdt_enable(false);
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timer0.disable();
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timer1.disable();
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// Set GPIO5 as an output, and set its state high initially.
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let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
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let mut led = io.pins.gpio5.into_push_pull_output();
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led.set_high().unwrap();
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// Initialize the Delay peripheral, and use it to toggle the LED state in a
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// loop.
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let mut delay = Delay::new(&clocks);
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loop {
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led.toggle().unwrap();
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delay.delay_ms(500u32);
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}
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}
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