MCUXpresso SDK API Reference Manual  Rev. 0
NXP Semiconductors
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LPI2C: Low Power Inter-Integrated Circuit Driver

Overview

Modules

 LPI2C CMSIS Driver
 
 LPI2C FreeRTOS Driver
 
 LPI2C Master DMA Driver
 
 LPI2C Master Driver
 
 LPI2C Slave Driver
 

Macros

#define I2C_RETRY_TIMES   0U /* Define to zero means keep waiting until the flag is assert/deassert. */
 Retry times for waiting flag. More...
 

Enumerations

enum  {
  kStatus_LPI2C_Busy = MAKE_STATUS(kStatusGroup_LPI2C, 0),
  kStatus_LPI2C_Idle = MAKE_STATUS(kStatusGroup_LPI2C, 1),
  kStatus_LPI2C_Nak = MAKE_STATUS(kStatusGroup_LPI2C, 2),
  kStatus_LPI2C_FifoError = MAKE_STATUS(kStatusGroup_LPI2C, 3),
  kStatus_LPI2C_BitError = MAKE_STATUS(kStatusGroup_LPI2C, 4),
  kStatus_LPI2C_ArbitrationLost = MAKE_STATUS(kStatusGroup_LPI2C, 5),
  kStatus_LPI2C_PinLowTimeout,
  kStatus_LPI2C_NoTransferInProgress,
  kStatus_LPI2C_DmaRequestFail = MAKE_STATUS(kStatusGroup_LPI2C, 8),
  kStatus_LPI2C_Timeout = MAKE_STATUS(kStatusGroup_LPI2C, 9)
}
 LPI2C status return codes. More...
 

Driver version

#define FSL_LPI2C_DRIVER_VERSION   (MAKE_VERSION(2, 1, 11))
 LPI2C driver version 2.1.11. More...
 

Macro Definition Documentation

#define FSL_LPI2C_DRIVER_VERSION   (MAKE_VERSION(2, 1, 11))
#define I2C_RETRY_TIMES   0U /* Define to zero means keep waiting until the flag is assert/deassert. */

Enumeration Type Documentation

anonymous enum
Enumerator
kStatus_LPI2C_Busy 

The master is already performing a transfer.

kStatus_LPI2C_Idle 

The slave driver is idle.

kStatus_LPI2C_Nak 

The slave device sent a NAK in response to a byte.

kStatus_LPI2C_FifoError 

FIFO under run or overrun.

kStatus_LPI2C_BitError 

Transferred bit was not seen on the bus.

kStatus_LPI2C_ArbitrationLost 

Arbitration lost error.

kStatus_LPI2C_PinLowTimeout 

SCL or SDA were held low longer than the timeout.

kStatus_LPI2C_NoTransferInProgress 

Attempt to abort a transfer when one is not in progress.

kStatus_LPI2C_DmaRequestFail 

DMA request failed.

kStatus_LPI2C_Timeout 

Timeout polling status flags.