Tedd OKANO / Mbed 2 deprecated TextLCD_SB1602E

Dependencies:   mbed

Information

This code is old.

Version 2.0 is available.
Latest version has improved usability.
Please find following page.

Information

このコードは古いバージョンです

バージョン2.0 が公開されています.
新しいバージョンでは使い勝手が改善されています．
以下のページを御覧ください．

I2cBusDevice.h@0:694061176edf, 2010-01-23 (annotated)

Committer:
okano
Date:
Sat Jan 23 13:45:18 2010 +0000
Revision:
0:694061176edf

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


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/*





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 *  I2C device base class





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 *





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 *  A base class for all I2C devices.





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 *  This manages the device address and transfers





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 *





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 *  Copyright (c) 2010 Tedd OKANO





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 *  Released under the MIT License: http://mbed.org/license/mit





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 *





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 *  revision 1.0  15-Jan-2010   a. 1st release





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 *  revision 1.1  23-Jan-2010   a. The word "MBED_I2cBusDevice" is used instead of _I2cBusDevice_ to avoid symbol conflict





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 *                              b. copyright notice added





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 */





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#ifndef    MBED_I2cBusDevice





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#define    MBED_I2cBusDevice





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#include    "mbed.h"





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class I2cBusDevice {





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public:





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    I2cBusDevice( I2C *i2c, char dev_address ) {





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        bus          = i2c;





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        device       = dev_address;





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    }





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    ~I2cBusDevice() {





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    }





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    int write( char *data, int length ) {





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        return ( bus->write( device, data, length) );





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    }





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    int read( char *data, int length ) {





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        return ( bus->read( device, data, length) );





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    }





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    int read( char reg_ptr, char *data, int length ) {





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        if ( bus->write( device, &reg_ptr, 1 ) )





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            return ( 1 );





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        if ( bus->read( device, data, length ) )





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            return ( 1 );





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        return ( 0 );





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    }





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protected:





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    I2C     *bus;





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    char    device;





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private:





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    static char    i2c_error;





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}





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;





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#endif