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388a290343
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21462 3c298f89-4303-0410-b956-a3cf2f4a3e73
31 lines
893 B
C
31 lines
893 B
C
#ifndef _I2C_H
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#define _I2C_H
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int i2c_init(void);
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/* High level I2C actions */
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int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue);
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unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg);
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/* Low level I2C */
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int i2c_start(void);
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int i2c_stop(void);
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int i2c_outbyte(unsigned char x);
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unsigned char i2c_inbyte(void);
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int i2c_getack(void);
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void i2c_sendack(void);
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void i2c_sendnack(void);
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/**GVC**/
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/* New low level I2C functions */
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int i2c_read( unsigned char slave, unsigned char* rbuf, unsigned char rlen );
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int i2c_write( unsigned char slave, unsigned char* wbuf, unsigned char wlen );
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int i2c_writeread( unsigned char slave
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, unsigned char* wbuf
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, unsigned char wlen
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, unsigned char* rbuf
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, unsigned char rlen
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);
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/**END GVC**/
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#endif /* _I2C_H */
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