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 |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/modules/c/ds18b20.c b/modules/c/ds18b20.c
index d170de1..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;
 }
 
@@ -76,6 +76,7 @@
             /* find and get the chipset SN filename */
             strcpy(chip,direntp->d_name);
             found = 1;
+	    break;
         }
     }
     closedir(dirp);
@@ -115,5 +116,7 @@
     /* convert string value to float value */
     *temp = atof(ptr)/1000;
    
+    close(fd);
+
     return 0;
 }

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