Diff: I2CDevice.h

Revision:

1:01d881dc1170

Child:

2:6c60a3006881

diff -r 93b509f5e4cc -r 01d881dc1170 I2CDevice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/I2CDevice.h	Fri Aug 21 04:51:59 2015 +0000
@@ -0,0 +1,41 @@
+#ifndef INCLUDED_I2CDEVICE_H
+#define INCLUDED_I2CDEVICE_H
+
+#include "mbed.h"
+
+class I2CDevice{
+public:
+    static void initI2C( PinName sda, PinName scl ){
+        mI2C = new I2C( sda, scl );
+    }
+
+    I2CDevice( char address ) : mAddress( address ){
+    }
+    
+    virtual void write() = 0;
+    virtual void read() = 0;
+    
+    void write( char* data, size_t len ) const{
+        mI2C->write( mAddress, data, len );
+    }
+    void read( char* data, size_t len ) const{
+        mI2C->read( mAddress, data, len );
+    }
+    
+    void writeReg( char devAddr, char regAddr, char data ){
+        char d[ 2 ] = { regAddr, data };
+        mI2C->write( devAddr, d, 2 );
+    }
+    
+    void readReg( char devAddr, char regAddr, char* data, size_t len ){
+        regAddr |= 0x80;
+        mI2C->write( devAddr, &regAddr, 1, true );
+        mI2C->read( devAddr | 1, data, len );
+    }
+    
+    static I2C* mI2C;
+protected:
+    const char mAddress;
+};
+
+#endif