fix delay

Author: burrbull

src/timer/delay.rs

@@ -85,7 +85,7 @@ pub type DelayMs<TIM> = Delay<TIM, 1_000>;
 impl<TIM: Instance, const FREQ: u32> Delay<TIM, FREQ> {
     /// Sleep for given time
     pub fn delay(&mut self, time: TimerDurationU32<FREQ>) {
-        let mut ticks = time.ticks().min(1) - 1;
+        let mut ticks = time.ticks().max(1) - 1;
         while ticks != 0 {
             let reload = ticks.min(TIM::max_auto_reload());