Module sr

Describe I2C work status.

Structs

SR_SPEC

Describe I2C work status.

Type Aliases

ARB_LOST_R

Field ARB_LOST reader - When the I2C controller loses control of SCL line, this register changes to 1.

BUS_BUSY_R

Field BUS_BUSY reader - 1: the I2C bus is busy transferring data, 0: the I2C bus is in idle state.

R

Register SR reader

RESP_REC_R

Field RESP_REC reader - The received ACK value in master mode or slave mode. 0: ACK, 1: NACK.

RXFIFO_CNT_R

Field RXFIFO_CNT reader - This field represents the amount of data needed to be sent.

SCL_MAIN_STATE_LAST_R

Field SCL_MAIN_STATE_LAST reader - This field indicates the states of the I2C module state machine. 0: Idle, 1: Address shift, 2: ACK address, 3: Rx data, 4: Tx data, 5: Send ACK, 6: Wait ACK

SCL_STATE_LAST_R

Field SCL_STATE_LAST reader - This field indicates the states of the state machine used to produce SCL. 0: Idle, 1: Start, 2: Negative edge, 3: Low, 4: Positive edge, 5: High, 6: Stop

TXFIFO_CNT_R

Field TXFIFO_CNT reader - This field stores the amount of received data in RAM.