From 6f3ced98cbb90c864e65b90dd3bde9b9369468b8 Mon Sep 17 00:00:00 2001 From: Oleg Kalachev Date: Tue, 1 Oct 2019 15:54:50 +0200 Subject: [PATCH] docs: fix sonar sample --- docs/en/sonar.md | 1 + docs/ru/sonar.md | 1 + 2 files changed, 2 insertions(+) diff --git a/docs/en/sonar.md b/docs/en/sonar.md index bc515dfd..1ec802d5 100644 --- a/docs/en/sonar.md +++ b/docs/en/sonar.md @@ -70,6 +70,7 @@ def fall(gpio, level, tick): done.set() def read_distance(): + global low done.clear() pi.gpio_trigger(TRIG, 50, 1) done.wait(timeout=5) diff --git a/docs/ru/sonar.md b/docs/ru/sonar.md index 8d92ddce..be979100 100644 --- a/docs/ru/sonar.md +++ b/docs/ru/sonar.md @@ -70,6 +70,7 @@ def fall(gpio, level, tick): done.set() def read_distance(): + global low done.clear() pi.gpio_trigger(TRIG, 50, 1) done.wait(timeout=5)