Module esp32c3_hal::timer

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Expand description

General-purpose timers

Overview

The general-purpose timer peripheral consists of a timer group, which can have up to two timers (depending on the chip) and a watchdog timer. The timer group allows for the management of multiple timers and synchronization between them.

This peripheral can be used to perform a variety of tasks, such as triggering an interrupt after a particular interval (periodically and aperiodically), precisely time an interval, act as a hardware clock and so on.

Each timer group consists of two general purpose timers and one Main System Watchdog Timer(MSWDT). All general purpose timers are based on 16-bit prescalers and 54-bit auto-reload-capable up-down counters.

Example

let mut rtc = Rtc::new(peripherals.RTC_CNTL);

// Create timer groups
let timer_group0 = TimerGroup::new(
    peripherals.TIMG0,
    &clocks,
    &mut system.peripheral_clock_control,
);
// Get watchdog timers of timer groups
let mut wdt0 = timer_group0.wdt;
let timer_group1 = TimerGroup::new(
    peripherals.TIMG1,
    &clocks,
    &mut system.peripheral_clock_control,
);
let mut wdt1 = timer_group1.wdt;

// Disable watchdog timers
rtc.swd.disable();
rtc.rwdt.disable();
wdt0.disable();
wdt1.disable();

Structs

Enums

  • Error
    Custom timer error type

Traits