From 1677e7c0cd68ba171b02828acac56938dbfec73a Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sun, 21 Jul 2019 08:07:34 +0800
Subject: [PATCH] update ds18b20 sample code
---
modules/c/ds18b20.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/modules/c/ds18b20.c b/modules/c/ds18b20.c
index 447bf28..43da548 100644
--- a/modules/c/ds18b20.c
+++ b/modules/c/ds18b20.c
@@ -32,7 +32,7 @@
return 1;
}
- printf("DS19B20 get temperature: %f ℃\n", temp);
+ printf("DS18B20 get temperature: %f ℃\n", temp);
return 0;
}
@@ -116,5 +116,7 @@
/* convert string value to float value */
*temp = atof(ptr)/1000;
+ close(fd);
+
return 0;
}
--
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