Method 

Description 

available 

Returns the number of bytes the read() function can read. 

begin 

Sets up the host address for I2C communication. LinkIt ONE supports void TwoWire:begin(void), which means the I2C bus is joined as a host. To use the Wire library, under normal conditions, this function must be called and called only once. 

beginTransmission 

Enables the communication with the slave at an assigned address. After that, the data are written by using write()and transmitted by using endTransmission(). 

beginTransmission 

Enables the communication with the slave at an assigned address. After that, the data are written by using write() and transmitted by using endTransmission(). 

endTransmission 

Ends the communication with the slave assigned by beginTransmission() and transmits the data buffered by write() to the slave. 

read 

Reads a byte of data which are sent from master to slave or from slave to master. The master makes requests by using requestFrom(). 

requestFrom 

Enables a master to request data from a slave and get data by using available() and read()functions. 

requestFrom 

Enables a master to request data from a slave and get data by using available() and read()functions. 

write 

This function writes data into the queue and is called between functions beginTransmission()and endTransmission(). 

write