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Revision 0:eabb18deaf3f, committed 2012-10-13
- Comitter:
- AlexAllen
- Date:
- Sat Oct 13 11:47:12 2012 +0000
- Commit message:
- Added licence
Changed in this revision
| HIH4030.cpp | Show annotated file Show diff for this revision Revisions of this file | 
| HIH4030.h | Show annotated file Show diff for this revision Revisions of this file | 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HIH4030.cpp	Sat Oct 13 11:47:12 2012 +0000
@@ -0,0 +1,32 @@
+/* Copyright (c) 2011 Alex Allen, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#include "HIH4030.h"
+#include "mbed.h"
+ 
+float HIH4030::getH(float temp)
+{
+    float sensHum, trueHum;
+    float vout = 3.3 * 2.0 * read();
+    float vsupply = 5.0;
+    
+    sensHum = ( ( vout / vsupply ) + 0.16 ) / 0.0062;
+    trueHum = ( 1.0546 - 0.00216 * temp ) * sensHum;
+    
+    return trueHum;
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HIH4030.h	Sat Oct 13 11:47:12 2012 +0000
@@ -0,0 +1,32 @@
+/* Copyright (c) 2011 Alex Allen, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef HUMIDITY
+
+    #include "mbed.h"
+
+    class HIH4030 : private AnalogIn
+    {
+        public:
+    
+        HIH4030(PinName pin) : AnalogIn(pin) {};
+        float getH(float temp);
+    };
+    
+    #define HUMIDITY 1
+#endif
\ No newline at end of file