Struct Ostimer 

pub struct Ostimer<'d, I: Instance> { /* private fields */ }

OSTIMER peripheral instance

Implementations

impl<'d, I: Instance> Ostimer<'d, I>

pub fn new(_inst: Peri<'d, I>, cfg: Config) -> Self

Construct OSTIMER handle. Requires clocks for the instance to be enabled by the board before calling. Does not enable NVIC or INTENA; use time_driver::init() for async operation.

pub fn clock_frequency_hz(&self) -> u64

Get the configured clock frequency in Hz

pub fn now(&self) -> u64

Read the current timer counter value in timer ticks

Returns

Current timer counter value as a 64-bit unsigned integer

pub fn reset(&self, _peripherals: &Peripherals)

Reset the timer counter to zero

This performs a hardware reset of the OSTIMER peripheral, which will reset the counter to zero and clear any pending interrupts. Note that this will affect all timer operations including embassy-time.

Safety

This operation will reset the entire OSTIMER peripheral. Any active alarms or time_driver operations will be disrupted. Use with caution.

pub fn schedule_alarm_delay(&self, alarm: &Alarm<'_>, delay_us: u64) -> bool

Schedule a single-shot alarm to expire after the specified delay in microseconds

Parameters

• alarm - The alarm instance to schedule
• delay_us - Delay in microseconds from now

Returns

true if the alarm was scheduled successfully, false if it would exceed timer capacity

pub fn schedule_alarm_at(&self, alarm: &Alarm<'_>, target_ticks: u64) -> bool

Schedule a single-shot alarm to expire at the specified absolute time in timer ticks

Parameters

• alarm - The alarm instance to schedule
• target_ticks - Absolute time in timer ticks when the alarm should expire

Returns

true if the alarm was scheduled successfully, false if it would exceed timer capacity

pub fn cancel_alarm(&self, alarm: &Alarm<'_>)

Cancel any active alarm

pub fn check_alarm_expired(&self, alarm: &Alarm<'_>) -> bool

Check if an alarm has expired (call this from your interrupt handler) Returns true if the alarm was active and has now expired