Public Method getCurrentState

static int getCurrentState()

_INSERT_METHOD_SIGNATURE_HERE_

Returns	Description
state	state of the I2C bus

Returns the current state of the I2C bus. See also the corresponding fields defined in class I2C.

state	Description
0x00	Bus error
0x08	START condition transmitted
0x10	Repeated START condition transmitted
0x18	As master: slave receiver addressed (SLA + W), ACK received
0x20	As master: slave receiver addressed (SLA + W), NACK received
0x28	Data byte transmitted, ACK received
0x30	Data byte transmitted, NACK received
0x38	Arbitration lost
0x40	As master: slave transmitter addressed (SLA + R), ACK received
0x48	As master: slave transmitter addressed (SLA + R), NACK received
0x50	Data byte received as master, ACK transmitted
0x58	Data byte received as master, NACK transmitted
0x60	Addressed as slave receiver (SLA + W), ACK transmitted
0x68	Arbitration lost, addressed as slave receiver (SLA + W), ACK transmitted
0x70	General call address received, ACK transmitted
0x78	Arbitration lost, general call addr received, ACK transmitted
0x80	Data byte received as slave (SLA + W), ACK transmitted
0x88	Data byte received as slave (SLA + W), NACK transmitted
0x90	Data byte received after general call, ACK transmitted
0x98	Data byte received after general call, NACK transmitted
0xA0	STOP or repeated START condition received in slave mode
0xA8	Addressed as slave transmitter (SLA + R), ACK transmitted
0xB0	Arbitration lost, Addressed as slave transmitter (SLA + R), ACK transmitted
0xB8	Data byte transmitted as slave (SLA + R), ACK received
0xC0	Data byte transmitted as slave (SLA + R), NACK received
0xF8	No relevant status information
0xFD	Timeout waiting for status change
0xFF	Channel error

Example

The following example reads the current state of the I2C bus.

SPI
UART