Public Method poll

boolean poll()

boolean poll(int addr)

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Returns	Range	Description
acknowledge	true ... false	is ACK received or not

The poll() method waits until an acknowledge (ACK) is received from a slave device after a busy period.

• This method doesn't allow to wait for multiple slave devices.

Parameter	Range	Description
addr	0 ... 127	target device address

The addr parameter is used to set up the address of a specific I2C slave device. The poll(int) method waits until an acknowledge (ACK) is received from the slave device after a busy period.

Returns	Range	Description
acknowledge	true ... false	is ACK received or not

• This method allows to wait for an ACK of another slave device which is specified by the addr parameter.

Example

   i2c.poll();

The poll() method waits until an ACK from the slave is received.

SPI
UART