AM2321 library

Dependents:   mbed_AM2321_copy mbed_AM2321

See http://developer.mbed.org/users/yasuyuki/notebook/AM2321/

Revision:
1:39f20504d5c5
Parent:
0:3656aea4e6f6
--- a/AM2321.cpp	Wed Oct 08 02:48:36 2014 +0000
+++ b/AM2321.cpp	Fri Jul 10 14:59:04 2015 +0000
@@ -37,7 +37,7 @@
 
 }
 
-int AM2321::humidity()
+unsigned short AM2321::humidity()
 {
 
     // get hum
@@ -48,14 +48,18 @@
     
 }
 
-int AM2321::temperature()
+signed short AM2321::temperature()
 {
 
     // get temp
     get();
     temp.byte.HB=buf[4];
     temp.byte.LB=buf[5];
-    return temp.Val;
+    if(temp.Val&0x8000){
+        temp.Val&=0x7FFF;
+        temp.Val=0xFFFF-temp.Val+1;
+    }
+    return temp.S;
     
 }