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mgos::Timer - get time left until invocation #612

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mgos::Timer - get time left until invocation #612

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6 changes: 4 additions & 2 deletions include/mgos_timers.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,11 @@ class Timer {

bool Reset(int msecs, int flags);

bool IsValid();
bool IsValid() const;

private:
int GetMsecsLeft() const;

protected:
static void HandlerCB(void *arg);

Handler handler_;
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11 changes: 10 additions & 1 deletion src/mgos_timers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -51,10 +51,19 @@ bool Timer::Reset(int msecs, int flags) {
return IsValid();
}

bool Timer::IsValid() {
bool Timer::IsValid() const {
return (id_ != MGOS_INVALID_TIMER_ID);
}

int Timer::GetMsecsLeft() const {
if (!IsValid()) return 0;
struct mgos_timer_info ti;
if (mgos_get_timer_info(id_, &ti)) {
return ti.msecs_left;
}
return 0;
}

// static
void Timer::HandlerCB(void *arg) {
auto *st = static_cast<Timer *>(arg);
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