Diff: pcf8575.h

Revision:

0:95cf83ce54ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pcf8575.h	Sat Sep 08 22:12:10 2012 +0000
@@ -0,0 +1,45 @@
+/*
+* PCF8575 Remote 16-bit I/O expander for I2C-bus
+* Copyright (c) 2012 Bas van Drunen Littel
+*
+* 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 __PCF8575_H
+#define __PCF8575_H
+
+#define VERSION 1.0
+
+#include <mbed.h>
+
+#define PCF8575_I2C_ADDRESS     0x40
+
+class PCF8575 {
+public:
+    PCF8575(I2C* _interface, unsigned char _chipselect);
+    ~PCF8575(void);
+    
+    unsigned short ReadBytes(void);
+    void WriteBytes(unsigned short bytes);
+    void WriteBytes(unsigned char byte0, unsigned char byte1);
+    
+private:
+    I2C* i2c; // Communication interface
+    unsigned char address; //I2C address
+};
+#endif
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