// write a byte to the I2C slave device
//
unsigned char I2C_Write( unsigned char c )
{
uint8_t i = 0;
for (i=0;i<8;i++) {
I2C_WriteBit( c & 128 );
c<<=1;
}
return I2C_ReadBit();
}
//! read a byte from the I2C slave device
unsigned char I2C_Read( unsigned char ack )
{
unsigned char res = 0;
char i;
for (i=0;i<8;i++){
res <<= 1;
res |= I2C_ReadBit();
}
if( ack > 0)
I2C_WriteBit(0);
else
I2C_WriteBit(1);
I2CDELAY(1);
return res;
}
// read a byte from the I2C slave device
//
uint8_t I2C_Read(uint8_t ack )
{
uint8_t res = 0;
uint8_t i = 0;
for (i=0;i<8;i++) {
res <<= 1;
res |= I2C_ReadBit();
}
if ( ack > 0)
I2C_WriteBit( 0 );
else
I2C_WriteBit( 1 );
_delay_ms(1);
return res;
}
