MAX31855 library

Revision:
0:5d56064bc4c3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX31855.h	Mon Feb 09 05:56:04 2015 +0000
@@ -0,0 +1,56 @@
+
+
+/*    
+ * A library for MAX31855 
+ *   
+ * Copyright (c) 2015 Seeed Technology Limited.  
+ * Author      : Yihui Xiong
+ *
+ * The MIT License (MIT)
+ *
+ * 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 __MAX31855_H__
+#define __MAX31855_H__
+
+#include "mbed.h"
+
+class MAX31855
+{
+    public:
+        typedef enum {
+            THERMOCOUPLE_T = 0,
+            INTERNAL_T     = 1,
+        } temperature_type_t;
+        
+    public:
+        MAX31855(SPI& _spi, PinName _ncs);
+        float read(temperature_type_t type = THERMOCOUPLE_T);
+
+  
+  private:
+    SPI& spi;
+    DigitalOut ncs;
+    float thermocoupleT;
+    float internalT;
+    uint32_t lastReadTime;
+};
+
+#endif // __MAX31855_H__